Cities Index.
05 DRAINAGE MASTER PLAN-APPENDICES-small

San Marcos City Council
February 25, 2025

Document
05 DRAINAGE MASTER PLAN-APPENDICES-small
Meeting
February 25, 2025
Body
San Marcos City Council
Pages
7
Original file
283.5 MB
Text extracted from the city's file for reading and search. Open the original on legistar2.granicus.com. That file is the official record.

SAN MARCOS SAN MARCOS

ESCONDIDO ESCONDIDO
W:\17729_SanMarcosDMP\GIS\DeliverableMaps\SMDMP_D_RecFac_Maps_11x17.mxd City of San Marcos - Drainage Master Plan

APPENDIX D
Recommended Improvements - Sheet 162
Major River / Stream
Sub-Catchments
Existing Inventory
#* Channel Confluence
"/ Cleanout
$1 Curb Inlet
$1 Curb Outlet
!( Detention Basin
"/ Inlet
"/ Outlet
$+ Other
2! Separator
l? Outfalls
$ Culvert
$ Channel wider than 5 ft
$ Ditch less than 5 ft wide
$ Elliptical
$ Natural Channel
$ Storm Main
Channel / Ditch Transects
2-YR Flood Inundation
10-YR Flood Inundation
50-YR Flood Inundation
100-YR Flood Inundation
Surcharging Junctions
Recommended Storm Drain
New
Replace
FEMA NFHL Floodplain
100-YR Floodway
100-YR Floodplain
April, 2019
Map Legend
Source: City of San Marcos, Rick Engineering Company,
SANGIS/USGS Aerial Imagery: 11/2014
0 200 400
Scale in Feet [
North
SEE SHEET 149
SEE SHEET 175
SEE SHEET 161SEE SHEET 163

SUNBURY ST SUNBURY ST

CCOOUUNNTTRRYYCCLLUUBBLLNN

CCAAMM DDRR

SOLANA GLEN SOLANA GLEN

GGAARRYY LLNN

RUBY RD

CAPISTRANO GLEN

PPAAMMEELLAA LLNN

GGOOLLDDEENN CCIIRRCCLLEE DDRR

EL NORTE PY

EMOGENE PL EMOGENE PL

AARRRROOYYOOGGLLEENN

JUDITH PL JUDITH PL

SALLY PL SALLY PL

DAVID DR

ROSEMARY CT ROSEMARY CT

CCLLOOVVEERRWWYY

LORRI WY EDITH DR

FELICE DR

FUERTE LN FUERTE LN

FAIRWAY PARK FAIRWAY PARK
800' 800' 790' 790'
780'
780'
770' 770'
760'
760' 750' 750' 740' 740' 730' 730' 720' 720'
770' 770'
760' 760'
750' 750'
740' 740'
720' 720'
710' 710'
790' 790'
780' 780'
760' 760'
750' 750'
770' 770'
760' 760'
760' 760'
750' 750'
730' 730'
720' 720'
770' 770'
770'
770'
770' 770'
770' 770'
810' 810'
760' 760'
760' 760'
740' 740'
720' 720'
730' 730'
720' 720'
720' 720'

SAN MARCOS SAN MARCOS

ESCONDIDO ESCONDIDO
W:\17729_SanMarcosDMP\GIS\DeliverableMaps\SMDMP_D_RecFac_Maps_11x17.mxd City of San Marcos - Drainage Master Plan

APPENDIX D
Recommended Improvements - Sheet 163
Major River / Stream
Sub-Catchments
Existing Inventory #* Channel Confluence "/ Cleanout $1 Curb Inlet $1 Curb Outlet !( Detention Basin "/ Inlet "/ Outlet $+ Other 2! Separator l? Outfalls $ Culvert $ Channel wider than 5 ft $ Ditch less than 5 ft wide $ Elliptical $ Natural Channel $ Storm Main Channel / Ditch Transects
2-YR Flood Inundation
10-YR Flood Inundation
50-YR Flood Inundation
100-YR Flood Inundation
Surcharging Junctions
Recommended Storm Drain
New
Replace
FEMA NFHL Floodplain
100-YR Floodway
100-YR Floodplain
April, 2019
Map Legend
Source: City of San Marcos, Rick Engineering Company,
SANGIS/USGS Aerial Imagery: 11/2014
0 200 400
Scale in Feet
[
North
SEE SHEET 150
SEE SHEET 176
SEE SHEET 162SEE SHEET 164

GARY LN GARY LN

AAVVNNDDAA DDEE AAQQUUAACCAATTEE SSTT

DAVID DR DAVID DR

AATTHHEENNSS PPLL

PPRRIVIVAATTEERRDD

RROOCCKKHHOOFFFFLLNN

PRIVATE RD PRIVATE RD

LLAA BBRREEAA SSTT

WWRREENN GGLLEENN

WWEESSTTWWOOOODD PPLL

ANOCHE GLEN ANOCHE GLEN

MERCADO GLEN

MERCADO GLEN

VAQUERO GLEN VAQUERO GLEN

AANNOOCCHHEE GGLLEENN

VVEERRAALLNN

LARK GLEN

COUNTRY CLUB LN COUNTRY CLUB LN

CCAALLLLEE RREEDDOONNDDAA LLNN
930' 930'
920'
920'
910' 910'
900'
900'
890'
890'
880'
880'
870' 870'
860' 860'
850'
850'
840' 840'
830' 830'
820'
820'
810'
810'
800'
800'
790'
790'
780'
780'
770'
770'
760'
760'
750'
750'
880'
880'
870' 870'
860' 860'
850'
850'
840'
840'
830' 830'
820'
820'
810'
810'
800' 800'
790' 790'
780' 780'
770' 770'
890'
890'
880'
880'
870' 870'
860'
860'
850'
850'
840' 840'
830'
830'
820'
820'
920' 920'
910'
910'
900'
900'
890' 890'
880' 880'
880' 880'
870' 870'
860' 860'
850' 850'
840' 840'
760' 760'
750' 750'
740' 740'
730'
730'
890' 890'
870'
870'
920' 920'
910'
910'
900'
900'
830'
830'
820' 820'
760' 760'
750'
750'
740' 740'
730' 730'
940' 940'
930' 930'
850'
850'
840'
840'
810'
810'
800' 800'
790'
780' 780'
760'
760'
750'
750'
740' 740'
890' 890'
800'
800'
930' 930'
860' 860'
770' 770'
860' 860'
830'
830' 830'
800'
800'
760'
760'
750'
750'
750'
750'
750'
750'
750'
750'
S.D. COUNTY S.D. COUNTY

ESCONDIDO ESCONDIDO
W:\17729_SanMarcosDMP\GIS\DeliverableMaps\SMDMP_D_RecFac_Maps_11x17.mxd City of San Marcos - Drainage Master Plan

APPENDIX D
Recommended Improvements - Sheet 164
Major River / Stream
Sub-Catchments
Existing Inventory
#* Channel Confluence
"/ Cleanout
$1 Curb Inlet
$1 Curb Outlet
!( Detention Basin
"/ Inlet
"/ Outlet
$+ Other
2! Separator
l? Outfalls
$ Culvert
$ Channel wider than 5 ft
$ Ditch less than 5 ft wide
$ Elliptical
$ Natural Channel
$ Storm Main
Channel / Ditch Transects
2-YR Flood Inundation
10-YR Flood Inundation
50-YR Flood Inundation
100-YR Flood Inundation
Surcharging Junctions
Recommended Storm Drain
New
Replace
FEMA NFHL Floodplain
100-YR Floodway
100-YR Floodplain
April, 2019
Map Legend
Source: City of San Marcos, Rick Engineering Company,
SANGIS/USGS Aerial Imagery: 11/2014
0 200 400
Scale in Feet [
North
SEE SHEET 151
SEE SHEET 177
SEE SHEET 163SEE SHEET 165

N NUTMEG ST N NUTMEG ST

CCOOUUNNTTRRYY CCLLUUBB LLNN

MMAARRIIPPOOSSAA PPLL

CCAARRAAWWAAYY SSTT
AA

MM BB EERR LLNN

FLINTRIDGE PL FLINTRIDGE PL
AA

MM OORROOSSAA

GGLLEENN

DOMINGO GLEN DOMINGO GLEN

AALLTTAA LLOOMAA GGLLEENN

CCHHEERROOKKEEEE LLNN

GARY LN

GARY LN

MONTEGO AV MONTEGO AV
NN

CCEENNTTRREE

CCIITTYY
PPYY
NN

CCEENNTTRREE

CCIITTYY
PPYY

BITTERSWEET ST BITTERSWEET ST
NN

CCEENNTTRREE CCIITTYY PPYY

EECCHHOO VVAALLLLEEYY LLNN

HHAAWWAAI
II
I PPLL

PPRRIIVVAATTEE
RRDD

MMUUDDGGEE LLNN
§¨¦15
880' 880'
870'
860' 860'
840'
840'
830'
830'
820' 820'
810' 810'
800' 800' 790' 790'
780' 780'
860'
860'
850' 850'
840' 840'
830'
830'
820' 820'
810' 810'
800' 800'
790' 790'
780' 780'
820'
820'
810'
810'
800'
800'
790'
790'
780'
780'
770' 770'
840'
840'
830' 830'
810' 810'
800' 800'
850'
850'
820' 820'
790'
790'
780'
770' 770'
760'
850' 850'
790'
790'
750'
850' 850'
820'
820'
810' 810'
800' 800'
800' 800'
780' 780'
770'
770'
860' 860'
750' 750'
S.D. COUNTY S.D. COUNTY

ESCONDIDO ESCONDIDO
W:\17729_SanMarcosDMP\GIS\DeliverableMaps\SMDMP_D_RecFac_Maps_11x17.mxd City of San Marcos - Drainage Master Plan

APPENDIX D
Recommended Improvements - Sheet 165
Major River / Stream
Sub-Catchments
Existing Inventory
#* Channel Confluence
"/ Cleanout
$1 Curb Inlet
$1 Curb Outlet
!( Detention Basin
"/ Inlet
"/ Outlet
$+ Other
2! Separator
l? Outfalls
$ Culvert
$ Channel wider than 5 ft
$ Ditch less than 5 ft wide
$ Elliptical
$ Natural Channel
$ Storm Main
Channel / Ditch Transects
2-YR Flood Inundation
10-YR Flood Inundation
50-YR Flood Inundation
100-YR Flood Inundation
Surcharging Junctions
Recommended Storm Drain
New
Replace
FEMA NFHL Floodplain
100-YR Floodway
100-YR Floodplain
April, 2019
Map Legend
Source: City of San Marcos, Rick Engineering Company,
SANGIS/USGS Aerial Imagery: 11/2014
0 200 400
Scale in Feet [
North
SEE SHEET 152
SEE SHEET 178
SEE SHEET 164

SS SSAANNTTAA FFEE AAVV

PPRRIIMM RROOSSEE AAVV

PPRRIIVVAATTEE
DRRD

PPOOININSSEETTTTIAIA
AAVV

SMILAX RD SMILAX RD

CALINDA DR

PPLLUUMMOOSSAA
AAVV

PLUMOSA AV

PPLLUUMMOOSSAAAAVV

PRIVATE RD PRIVATE RD

PRIVATE RD

MMOORRGGAANN PPLL

PRIVATE RD

PLUMOSA CT

PRIVATE RD PRIVATE RD

PRIVATE RD

POINSETTIA CT

PRIVATE RD

SSAARRTTOORRII WWYY

MORGAN PL

MORGAN PL

PRIVATE RD

PRIVATE RD PRIVATE RD

PRIVATE RD PRIVATE RD

EL SERENO WY

SUNFLOWER TR
GGRREE
EENN
MM

EEAADDOOWW
DD RR

PPRRIIVVAATTEERRDD
ÃÆ78
Agua Hedionda Creek
560' 560'
550'
550'
540' 540'
530'
530'
500'
500'
490'
480'
470'
520' 520'
510'
510'
460'
460'
450'
450'
500'
500'
490' 490'
470'
450'
510' 510'
480' 480'
540'
540'
520'
520'
500'
500'
480'
480'
470'
470'
460' 460'
530' 530'
520' 520'
440'
440'
530'
530'
460'
460'
510'
510'
440' 440'
440'
440'
550' 550'
520' 520'
460' 460'
450' 450'

SAN SAN

MARCOS MARCOS

VISTA VISTA
S.D. COUNTY S.D. COUNTY
W:\17729_SanMarcosDMP\GIS\DeliverableMaps\SMDMP_D_RecFac_Maps_11x17.mxd City of San Marcos - Drainage Master Plan

APPENDIX D
Recommended Improvements - Sheet 166
Major River / Stream
Sub-Catchments
Existing Inventory
#* Channel Confluence
"/ Cleanout
$1 Curb Inlet
$1 Curb Outlet
!( Detention Basin
"/ Inlet
"/ Outlet
$+ Other
2! Separator
l? Outfalls
$ Culvert
$ Channel wider than 5 ft
$ Ditch less than 5 ft wide
$ Elliptical
$ Natural Channel
$ Storm Main
Channel / Ditch Transects
2-YR Flood Inundation
10-YR Flood Inundation
50-YR Flood Inundation
100-YR Flood Inundation
Surcharging Junctions
Recommended Storm Drain
New
Replace
FEMA NFHL Floodplain
100-YR Floodway
100-YR Floodplain
April, 2019
Map Legend
Source: City of San Marcos, Rick Engineering Company,
SANGIS/USGS Aerial Imagery: 11/2014
0 200 400
Scale in Feet [
North
SEE SHEET 153
SEE SHEET 167

BOSSTICK BL

BOSSTICK BL

MMIRIRAA
SSOOLL

CCHHEERRIIMMOOYYAA DDRR

SS SSAANNTTAA FFEE AAVV

SMILAX RD SMILAX RD

VVIIAAAANNAACCAAPPAA

VVIIAA HH AACCIIEE NN DD
AA
CC
TT

VVIIAA HHAACCIIEENNDDAA

VVIAIA LLAA

VVEENNTTAA

PPRRIIVVAATTEERRDD

PRIVATE RD
VVIIAA

SSAANNTTAA LLIINN AA

AAVVNNDDAA RREEGGIINNAA

EL CORTO EL CORTO
UNNAMED 8C ST UNNAMED 8C ST
CLEN10764
CLEN10765
CLEN10766
INLT10396
INLT10398
CLEN10775
CBIN11058
CLEN10776
INLT10402
INLT10403 CLEN10777
CLEN10778
INLT10404
CLEN10780
INLT10405
INLT10406
INLT10407
CLEN10783
CLEN10785
INLT10410
OTLT10091
OTHR10245
CLEN10815
CBIN11114
CBIN11115
CLEN10817
SEPR10022
OTLT10100
CLEN10818
CLEN10819
CLEN10820 CBIN11117 CLEN10821
CBIN11118
CBIN11119 CBIN11120
INLT10450 INLT10451
INLT10452
CLEN10877
INLT10894
INLT11557
CLEN11707
INLT11558
Agua Hedionda Creek
PIPE14332
PIPE14310
PIPE14426
PIPE14391
PIPE14382
PIPE14321
PIPE14312
PIPE14363
PIPE14351
PIPE14292
PIPE14318
PIPE14362
PIPE14320
PIPE14360
PIPE14293
FLOW10086
PIPE14290
PIPE14294
PIPE14324
PIPE14328
FLOW10063
PIPE14326
PIPE14384
PIPE14314
CHAN10731
PIPE14380
PIPE14361
PIPE14316
PIPE14785
PIPE14319
PIPE14313
PIPE14291
PIPE14309
PIPE14311
PIPE14784
PIPE14372
PIPE14787
PIPE14349
PIPE14786
PIPE14369
PIPE14364
PIPE14350
650'
650'
640' 640'
630' 630'
620'
620'
610'
610'
600'
600'
590'
590'
580'
580'
570' 570'
560' 560'
550' 550'
540'
540'
520'
520'
510'
510'
500'
500'
490'
490'
630'
630'
620'
620'
610' 610'
600'
600'
590' 590'
580' 580'
570'
570'
560'
560'
540' 540'
620' 620'
610' 610'
600' 600'
590' 590'
580' 580'
570' 570'
550'
550'
540' 540'
470' 470'
460'
460'
490'
490'
480'
490'
490'
480' 480'
650' 650'
640'
640'
650' 650'
640' 640'
510'
510'
490'
490'
500'
500'
490' 490'
540'
540'
530'
530'
530' 530'
520' 520'
530'
530'
520'
520'
480'
480'
470' 470'
550'
550'
560' 560'
600' 600'
500'
660' 660'
540'
540'
530' 530'
540' 540'
540' 540'
530'
530'
510' 510'
520'
520' 520'
520'
520'
500' 500'
490' 490'
490'
490'
530' 530'
460' 460'
OTHR11749

SAN MARCOS SAN MARCOS
S.D. COUNTY S.D. COUNTY
W:\17729_SanMarcosDMP\GIS\DeliverableMaps\SMDMP_D_RecFac_Maps_11x17.mxd City of San Marcos - Drainage Master Plan

APPENDIX D
Recommended Improvements - Sheet 167
Major River / Stream
Sub-Catchments
Existing Inventory
#* Channel Confluence
"/ Cleanout
$1 Curb Inlet
$1 Curb Outlet
!( Detention Basin
"/ Inlet
"/ Outlet
$+ Other
2! Separator
l? Outfalls
$ Culvert
$ Channel wider than 5 ft
$ Ditch less than 5 ft wide
$ Elliptical
$ Natural Channel
$ Storm Main
Channel / Ditch Transects
2-YR Flood Inundation
10-YR Flood Inundation
50-YR Flood Inundation
100-YR Flood Inundation
Surcharging Junctions
Recommended Storm Drain
New
Replace
FEMA NFHL Floodplain
100-YR Floodway
100-YR Floodplain
April, 2019
Map Legend
Source: City of San Marcos, Rick Engineering Company,
SANGIS/USGS Aerial Imagery: 11/2014
0 200 400
Scale in Feet [
North
SEE SHEET 154
SEE SHEET 179
SEE SHEET 166SEE SHEET 168

VV IIAA SSAA NNTTAA LLIINN AA

AVNDA ABEJA AVNDA ABEJA

AAVVNNDDAA AARRAANNAA

W BORDEN RD W BORDEN RD

N LAS POSAS RD N LAS POSAS RD

AVNDA LEON AVNDA LEON

VIA CAFETAL VIA CAFETAL

CTE LIRA CTE LIRA

CCTTEE DDEESSEEOO

PPRRIIVVAATTEE
RRDD

AVNDA AMIGO AVNDA AMIGO

CASITA LN

CCTTEE CCLLAASSIICCAA

PPRRIIVVAATTEE RRDD

CCTTEE BBRRAAVVOO

AAVVNNDDAA RREEGGNINI AA
CBIN10358
INLT10108
CBIN10359
CLEN10269
CLEN10270
CLEN10271
CBIN10368
CBIN10369
CLEN10273
CLEN10274
CBIN10370
INLT10110
OTHR10080
CLEN10303
CBIN10427 CBIN10428
CBIN10445
CBIN10446
CBIN12013
CBIN10295
CLEN10250
CBIN10300
CBIN10323
CLEN10262
CBIN10340
CBIN10341 CBIN10342
CBIN10343
CBIN10344
CBIN10345
CBIN10346
CBIN10347
CBIN10348 CBIN10349
CBIN10350
CBIN10351
OTLT10019
CLEN10265
CLEN10266
CBIN10364
CLEN10267
CBIN10365
CBIN10366 CBIN10367
INLT10109
CBIN10373
CBIN10374
CBIN10375
CBIN10385
OTLT10023
INLT10113
CLEN10283
CBIN10394
CLEN10284 OTLT10024
CBIN10395
INLT10437
CBIN12011
DETB10020
INLT11622
INLT11623
INLT11625
Agua Hedionda Creek
PIPE12123
PIPE11650
PIPE11716
CHAN10760
CHAN10763
PIPE11652
PIPE14207
PIPE11725
PIPE14215
PIPE14252
PIPE11649
PIPE14639
PIPE14264 PIPE14232
PIPE11708 PIPE11707
PIPE11713
CHAN10768
PIPE14229
PIPE14245
CHAN10764
PIPE11705
PIPE11718
PIPE14224
PIPE14246
PIPE11641
PIPE14240
PIPE14247
PIPE14236
PIPE14235
PIPE14234
PIPE14209
PIPE12122
PIPE14208
PIPE11720
PIPE11719
PIPE14267
PIPE11680
PIPE11651
PIPE11678
PIPE14262
PIPE14206
PIPE14217
PIPE14239
FLOW10079
PIPE11706
PIPE11703
PIPE14221
PIPE11714
PIPE14226
PIPE14251
PIPE11704
CHAN10765
CHAN10730
CHAN10766
CHAN10767
CHAN10762
CHAN10761
PIPE11679
CHAN10729
PIPE14216
PIPE11648
PIPE14230
PIPE14265
PIPE11717
PIPE14233
FLOW10064
PIPE14222
PIPE14227
PIPE14372
PIPE14225
PIPE14197
PIPE14228
PIPE14223
FLOW10078
PIPE14792
720' 720'
710' 710'
700' 700'
690' 690'
680' 680'
670' 670'
660' 660'
650'
650'
640' 640'
630' 630'
620' 620'
600' 600'
590' 590'
580' 580'
570' 570'
560' 560'
550' 550'
540'
540'
690' 690'
680' 680'
670' 670'
660' 660'
650' 650'
640'
640'
630' 630'
610' 610'
600' 600'
570'
570'
560' 560'
550'
550'
650' 650'
640' 640'
630'
630'
620'
620'
610' 610'
600' 600'
590'
590'
580' 580'
680' 680'
670' 670'
630'
630'
620' 620'
610' 610'
600' 600'
590'
590'
580' 580'
620'
620'
610'
610'
600' 600'
590'
590'
580'
580'
570' 570'
680' 680'
670' 670'
660' 660'
650' 650'
640' 640'
650' 650'
640' 640'
600'
600'
590'
590'
580' 580'
570'
570'
620'
620'
610' 610'
600' 600'
710'
700'
700'
700'
690'
690'
570' 570'
560'
560'
630'
630'
620'
620'
610' 610'
530' 530'
520'
620'
620'
590' 590'
580'
580'
570' 570'
630' 630'
630' 630'
690' 690'
660' 660'
650' 650'
640'
640'
590' 590'
590'
590'
550'
550'
730'
710' 710'
700' 700'
640' 640'
540'
540'
540' 540'
690'
690'

SAN MARCOS SAN MARCOS
S.D. COUNTY S.D. COUNTY
W:\17729_SanMarcosDMP\GIS\DeliverableMaps\SMDMP_D_RecFac_Maps_11x17.mxd City of San Marcos - Drainage Master Plan

APPENDIX D
Recommended Improvements - Sheet 168
Major River / Stream
Sub-Catchments
Existing Inventory
#* Channel Confluence
"/ Cleanout
$1 Curb Inlet
$1 Curb Outlet
!( Detention Basin
"/ Inlet
"/ Outlet
$+ Other
2! Separator
l? Outfalls
$ Culvert
$ Channel wider than 5 ft
$ Ditch less than 5 ft wide
$ Elliptical
$ Natural Channel
$ Storm Main
Channel / Ditch Transects
2-YR Flood Inundation
10-YR Flood Inundation
50-YR Flood Inundation
100-YR Flood Inundation
Surcharging Junctions
Recommended Storm Drain
New
Replace
FEMA NFHL Floodplain
100-YR Floodway
100-YR Floodplain
April, 2019
Map Legend
Source: City of San Marcos, Rick Engineering Company,
SANGIS/USGS Aerial Imagery: 11/2014
0 200 400
Scale in Feet [
North
SEE SHEET 155
SEE SHEET 180
SEE SHEET 167SEE SHEET 169

AAVVNNDDAA AARRAANNAA

VVIAIA BBAARRQQUUEERROO
CCAAMM

MMAAGGNNIFIFICICOO

VVIIAA CCOONNTTEESSSSAA VV AIAI DDEE PPLLAATTAA

CCAALLLLEEPPRROOSSPPEERROO

CCTTEE PPEESSCCAADDOO

AAVVNNDDAA AABBEEJJAA

VVIIAA CCAALLIIEENNTTEE

CTE LIRA CTE LIRA

AVNDA AMISTAD

VIA GATO VIA GATO

CTE AVISPON CTE AVISPON

CTE MANOLITO CTE MANOLITO

VIA PAVON VIA PAVON

CTE CRISTAL CTE CRISTAL

CTE BAGALSO CTE BAGALSO

VIA BAHIA VIA BAHIA

AAVVNNDDAA PPAANNTTEERRAA

W BORDEN RD W BORDEN RD

AVNDA CODORNIZ

AVNDA CODORNIZ

CALLE FANTASIA CALLE FANTASIA

AAVVNNDDAA

FFRRAAGGAATTAA
CLEN10229
CBIN10245
CLEN10231
CBIN10246
CBIN10247
CBIN10248
CLEN10233 CLEN10234
CBIN10250
CBIN10251
CBIN10252
CBIN10253 CBIN10254
CBIN10255
CLEN10236
CLEN10237 CLEN10238
CBIN10260
CBIN10262
CBIN10265
CLEN10241
CBIN10266
CLEN10242 CBIN10267
CBIN10268
CLEN10243 CBIN10269
CBIN10271 CBIN10272
CBIN10274
CBIN10275
CBIN10276 CLEN10244
CBIN10277
CBIN10280 CBIN10279
CBIN10282
CBIN10283
CBIN10284
CLEN10246
CLEN10247
CBIN10285
CBIN10289 CBIN10286 CBIN10290
CBIN10294 CLEN10249
CBIN10297
CBIN10298
CBIN10299
CLEN10253 CBIN10305
CBIN10309 CBIN10310
INLT10102
CBIN10330
CBIN10333
INLT10103
OTHR10071
INLT10104
OTHR10073
CLEN10261
CBIN10338
CBIN10393
CLEN10285
CBIN10396
CBIN10397
OTHR10079
INLT10114
OTHR10080 CBIN10419
CLEN10299
CLEN10300
CLEN10301
CBIN10422
CBIN10423
CBIN10424
CBIN10426
CBIN10428
CBIN10429
CBIN10430
CBIN10431
CLEN10304
CBIN10432
CBIN10433
CLEN10248
CBIN10288
CBIN10296
CBIN10303
CLEN10251 CBIN10304 CLEN10252
CBIN10306
CBIN10307
CBIN10308
CBIN10311
CLEN10275
CBIN10371
CBIN10372
CLEN10276
CLEN10277
CLEN10278
CBIN10374
CBIN10375
CBIN10392
CBIN12011
CBIN12012
CBIN12134
PIPE11675
PIPE12227
PIPE11557
PIPE11625
PIPE11617
PIPE11529
PIPE11627
PIPE11619
PIPE11518
PIPE11633
PIPE11746
PIPE11676
PIPE11674
PIPE11528
PIPE11611
PIPE11544
PIPE11526
PIPE11558
PIPE11610
PIPE11724
PIPE11524
PIPE11744
PIPE11590
PIPE11635
PIPE11602
PIPE11552
PIPE14639
PIPE11548
PIPE11560
PIPE11540
PIPE11551
PIPE14187
PIPE11587
PIPE11565
PIPE11580
PIPE11603
PIPE14193
PIPE11609
PIPE11715
PIPE11592
PIPE11600
PIPE14196
PIPE11723
PIPE14248
PIPE11556
PIPE11583
PIPE11631
PIPE11567
PIPE11522
PIPE11614
PIPE14243 PIPE11622
PIPE11634
PIPE12228
PIPE14192
PIPE11780
PIPE11545
PIPE14247
PIPE11585
PIPE14186
PIPE14201
PIPE11632
PIPE11527
PIPE11745
PIPE11594
PIPE11554
PIPE14249
PIPE11672
PIPE11779
PIPE11572
PIPE11719
PIPE11720
PIPE11517
PIPE14262
PIPE11562
PIPE11671
PIPE11601
PIPE11555
PIPE11553
PIPE11563
PIPE14202
PIPE14266
PIPE14267
PIPE11501
PIPE11579
PIPE14230
PIPE11546
PIPE12242
PIPE11648
PIPE11721
PIPE11677
PIPE11525
PIPE11530
PIPE11542
PIPE11581
PIPE14244
PIPE11673
PIPE14205
PIPE11574
PIPE11549
PIPE11599
PIPE11537
PIPE11640
PIPE11519
PIPE11543
PIPE11582
PIPE11578
PIPE11588
PIPE11591
PIPE11523
PIPE11521
PIPE14231
PIPE11589
PIPE11626
PIPE11561
PIPE11628
PIPE11593
PIPE11534
PIPE11613
780'
770'
760'
750'
740'
710'
690'
730'
720'
640'
640'
630' 630'
790'
780'
770'
760'
750'
670'
670'
660'
660'
650'
650'
640'
640'
630'
630'
810' 810'
800'
700'
700'
690' 690'
690'
680'
740'
740'
730' 730'
720'
720'
710' 710'
710'
710'
700'
700'
690'
690'
670' 670'
660'
660'
800' 800'
790'
790'
660'
660'
650'
650'
700'
680'
680'
670' 670'
650'
650'
710'
720' 720'
690'
690'
680' 680'
800'
800'
760' 760'
740' 740'
720' 720'
720'
720'
710'
630' 630'
630'
630'
710'
710'
640'
640'
W:\17729_SanMarcosDMP\GIS\DeliverableMaps\SMDMP_D_RecFac_Maps_11x17.mxd

SAN MARCOS SAN MARCOS
City of San Marcos - Drainage Master Plan

APPENDIX D
Recommended Improvements - Sheet 169
Major River / Stream
Sub-Catchments
Existing Inventory
#* Channel Confluence
"/ Cleanout
$1 Curb Inlet
$1 Curb Outlet
!( Detention Basin
"/ Inlet
"/ Outlet
$+ Other
2! Separator
l? Outfalls
$ Culvert
$ Channel wider than 5 ft
$ Ditch less than 5 ft wide
$ Elliptical
$ Natural Channel
$ Storm Main
Channel / Ditch Transects
2-YR Flood Inundation
10-YR Flood Inundation
50-YR Flood Inundation
100-YR Flood Inundation
Surcharging Junctions
Recommended Storm Drain
New
Replace
FEMA NFHL Floodplain
100-YR Floodway
100-YR Floodplain
April, 2019
Map Legend
Source: City of San Marcos, Rick Engineering Company,
SANGIS/USGS Aerial Imagery: 11/2014
0 200 400
Scale in Feet [
North
SEE SHEET 156
SEE SHEET 181
SEE SHEET 168SEE SHEET 170
VVIIAA

BBAARRQQUUEERROO

AVNDA AMISTAD

AVNDA PANTERA
CCTTEE

ZZ AAFFIIRROO
INLT10091
CBIN10252
CBIN10256
CBIN10257
CBIN10258
CLEN10238
CBIN10259 INLT10093
CBIN10261
CLEN10239
CBIN10263
CLEN10240
CBIN10264
INLT10094
CBIN10267
CBIN10269
CBIN10273
CLEN10245
INLT10095
CBIN10287
CBIN10292
CBIN10293 CBIN10298
INLT10096
PIPE11535
PIPE11608
PIPE11538
PIPE11575
PIPE11583
PIPE11531
PIPE11574
PIPE11603
PIPE11606
PIPE11601
PIPE11536
PIPE11527
PIPE11576
PIPE11607
PIPE11533
PIPE11550
PIPE11539
PIPE11604
PIPE11564
PIPE11532
PIPE11541
PIPE11568
1010' 1010'
1000' 1000'
990' 990'
980'
980'
970' 970'
960' 960'
950'
950'
940' 940'
930'
930'
920' 920'
910' 910'
900' 900'
890' 890'
880'
880'
870' 870'
860' 860'
850' 850'
840' 840'
830'
810'
790'
780' 780'
770' 770'
1190' 1190'
1180' 1180'
1170' 1170'
1160' 1160'
1150'
1150'
1140'
1140'
1130' 1130'
1120' 1120'
1110' 1110'
1100'
1100'
1090'
1090'
1080' 1080'
1070' 1070'
1060' 1060'
1050' 1050'
1160'
1170'
1170'
1180'
1180'
1190' 1190'
1100'
1100'
1110'
1110'
1120'
1120'
1130'
1130'
1140' 1140'
1150'
1150'
1160'
1030'
1040' 1040'
1050'
1050'
1060'
1060'
1070'
1070'
1080'
1080'
1090'
1090'
960'
960'
1000' 1000'
1010' 1010'
1020' 1020'
1030'
920'
930'
910' 910'
920'
1020'
1020'
1000'
1000'
990'
990'
980' 980'
970' 970'
960' 960'
950' 950'
940' 940'
930' 930'
920' 920'
900'
900'
880' 880'
870' 870'
860' 860'
910' 910'
850' 850'
890' 890'
1190' 1190'
1180' 1180'
1170'
1170'
1160'
1160'
1150'
1150'
1140' 1140'
1130' 1130'
1120' 1120'
1110' 1110'
1100' 1100'
1090' 1090'
1080' 1080'
1070' 1070'
1060'
1060'
1050' 1050'
970'
960'
950'
940'
930'
920'
910'
1020' 1020'
1010' 1010'
1000' 1000'
990' 990'
980' 980'
970' 970'
1010' 1010'
1000'
1000'
990' 990'
980'
980'
970'
970'
870' 870'
860' 860'
850' 850'
840' 840'
830'
830'
820'
820'
810' 810'
800'
800'
900'
900'
890'
890'
880'
870'
850'
1040'
1040'
1030'
1030'
1020'
1020'
1010'
1010'
1000' 1000'
1040' 1040'
1030' 1030'
1020' 1020'
1010' 1010'
830'
830'
820' 820'
1030' 1030'
1020' 1020'
1010' 1010'
1030'
1030'
1020'
1010' 1010'
1000'
1000'
990' 990'
990' 990'
980' 980'
970' 970'
960'
960'
1210' 1210'
1200'
1200'
1030'
1030'
1020' 1020'
820'
810'
800'
1120'
1120'
1110' 1110'
1100'
1100'
990' 990'
980' 980'
940'
940'
930'
930'
920'
920'
910'
910'
750'
750'
740'
740'
980' 980'
990'
990'
830'
830'
820' 820'
1040'
1040'
1030'
1030'
950' 950'
1010' 1010'
840'
1200' 1200'
900'
900'
1030'
1030'
960'
960'
840'
840'
1000' 1000'
1010' 1010'
1010'
1010'
990' 990'
860'
760'
760'
1200'
1200'
1120' 1120'
1040' 1040'
1010'
1010'
1010' 1010'
990'
990'
980'
980'
930'
930'
920'
920'
850'
850'
800'
800'

SAN MARCOS SAN MARCOS
W:\17729_SanMarcosDMP\GIS\DeliverableMaps\SMDMP_D_RecFac_Maps_11x17.mxd City of San Marcos - Drainage Master Plan

APPENDIX D
Recommended Improvements - Sheet 170
Major River / Stream
Sub-Catchments
Existing Inventory
#* Channel Confluence
"/ Cleanout
$1 Curb Inlet
$1 Curb Outlet
!( Detention Basin
"/ Inlet
"/ Outlet
$+ Other
2! Separator
l? Outfalls
$ Culvert
$ Channel wider than 5 ft
$ Ditch less than 5 ft wide
$ Elliptical
$ Natural Channel
$ Storm Main
Channel / Ditch Transects
2-YR Flood Inundation
10-YR Flood Inundation
50-YR Flood Inundation
100-YR Flood Inundation
Surcharging Junctions
Recommended Storm Drain
New
Replace
FEMA NFHL Floodplain
100-YR Floodway
100-YR Floodplain
April, 2019
Map Legend
Source: City of San Marcos, Rick Engineering Company,
SANGIS/USGS Aerial Imagery: 11/2014
0 200 400
Scale in Feet [
North
SEE SHEET 157
SEE SHEET 182
SEE SHEET 169SEE SHEET 171

PPRRIIVVAATTEERRDD

DEERBROOK DR

DUCKWALK RD DUCKWALK RD

PRIVATE RD

PPRR IIVVAATTEE RRDD

PPRRIIVVAATTEE
RD
CBIN10751
INLT10261
OTHR10158
OTHR10159
CLEN10576
OTHR10161
OTHR10162 OTHR10163
CBIN10753
CBIN10754
CBIN10755
INLT10262 CLEN10918
PIPE10110
PIPE10394
PIPE10112 PIPE10092
PIPE10104
PIPE10109
PIPE10091
PIPE10099
PIPE10097
PIPE10093
PIPE10393
PIPE10095
PIPE10096
PIPE10106
PIPE10090
PIPE10111
1150' 1150'
1140' 1140'
1130' 1130'
1120' 1120'
1110' 1110'
1100' 1100'
1090' 1090'
1080'
1080'
1070'
1070'
1060' 1060'
1050' 1050'
1040' 1040'
1030' 1030'
1020' 1020'
1010' 1010'
1000' 1000'
990' 990'
980'
980'
970' 970'
960' 960'
950' 950'
940' 940'
930' 930'
920'
920'
910' 910'
900'
900'
890'
890'
880'
880'
870'
870'
860' 860'
850'
850'
840'
840'
830' 830'
820'
820'
810'
800'
800'
790' 790'
780' 780'
770' 770'
760' 760'
750'
750'
740'
740'
730'
730'
710' 710'
700'
700'
690'
690'
680' 680'
940' 940'
930' 930'
920' 920'
910' 910'
900' 900'
890'
890'
880' 880'
870' 870'
860' 860'
850'
850'
840' 840'
830' 830'
820'
820'
810' 810'
800' 800'
790' 790'
710' 710'
700' 700'
690' 690'
670' 670'
780'
780'
770'
760' 760'
750'
750'
740' 740'
730'
730'
720' 720'
1140' 1140'
1130' 1130'
1120' 1120'
1110'
1110'
1100'
1100'
1090' 1090'
1080'
1080'
1070'
1070'
1060' 1060'
1050'
1050'
1040'
1040'
1030' 1030'
1020' 1020'
1010' 1010'
1000' 1000'
980'
980'
970' 970'
960' 960'
950' 950'
940' 940'
930' 930'
920' 920'
910'
910'
900' 900'
890'
890'
920'
920'
910'
910'
900' 900'
890'
880'
870'
910'
890'
880'
710' 710'
700' 700'
680' 680'
670' 670'
740'
740'
730'
730'
720'
730' 730'
720' 720'
710'
710'
700'
700'
690' 690'
680' 680'
1100' 1100'
1090' 1090'
1080' 1080'
870'
860'
840' 840'
830'
830'
820' 820'
750'
740'
740'
690' 690'
680' 680'
660'
660'
650' 650'
720' 720'
950'
990' 990'
860'
900'
900'
680' 680'
680' 680'
1150'
1150'
1110'
1110'
700'
700'
660' 660'
660'
660'
650'
650'
650'

SAN MARCOS SAN MARCOS
W:\17729_SanMarcosDMP\GIS\DeliverableMaps\SMDMP_D_RecFac_Maps_11x17.mxd City of San Marcos - Drainage Master Plan

APPENDIX D
Recommended Improvements - Sheet 171
Major River / Stream
Sub-Catchments
Existing Inventory
#* Channel Confluence
"/ Cleanout
$1 Curb Inlet
$1 Curb Outlet
!( Detention Basin
"/ Inlet
"/ Outlet
$+ Other
2! Separator
l? Outfalls
$ Culvert
$ Channel wider than 5 ft
$ Ditch less than 5 ft wide
$ Elliptical
$ Natural Channel
$ Storm Main
Channel / Ditch Transects
2-YR Flood Inundation
10-YR Flood Inundation
50-YR Flood Inundation
100-YR Flood Inundation
Surcharging Junctions
Recommended Storm Drain
New
Replace
FEMA NFHL Floodplain
100-YR Floodway
100-YR Floodplain
April, 2019
Map Legend
Source: City of San Marcos, Rick Engineering Company,
SANGIS/USGS Aerial Imagery: 11/2014
0 200 400
Scale in Feet [
North
SEE SHEET 158
SEE SHEET 183
SEE SHEET 170SEE SHEET 172

PEBBLE BEACH DR PEBBLE BEACH DR

NN TTWWININOOAAKKSSVVAALLLLEEYY RRDD

CHESTERFIELD CR CHESTERFIELD CR

WENTWORTH PL

CCOONNCCOORRDD PPLL

AARRCCAADDIAIA BBLLUUFFFF CCTT

WWOOOODDWWAARRDD
SSTT

DEERBROOK DR DEERBROOK DR

CCRROOWWNNVVIIEEWW CCTT

TTUURR TTLLEE

PPOOIINNTT WWYY

PRIVATE RD PRIVATE RD

LL AANNCCAASSHHIIRREEPPLL

CCHHEESSTTEERRFFIIEELLDDCCRR

ROWENA AV ROWENA AV

ATWOOD PL

ATWOOD PL

BANDAK CT BANDAK CT

PRIVATE RD

N TWIN OAKS VALLEY RD N TWIN OAKS VALLEY RD
CBIN10725
CLEN10559
CBIN10728 CBIN10727
CBIN10729 CBIN10730
CBIN10731
CBIN10732
INLT10301
CLEN10631
CLEN10632 INLT10303
CLEN10633
CLEN10634
CLEN10635
CBIN10834
CBIN10835 CBIN10836
CBIN10837
CBIN10838
CBIN10839
CBIN10840
OTHR10198 CBIN10842
CLEN10636
CLEN10637
CLEN10638
INLT10304
CBIN10843 INLT10305
CBIN10856
INLT10318
CBIN10878
CBIN10879
INLT10521
CLEN10917
OTHR10318
CBIN11258
CBIN11260
CLEN11177
CBIN12327 CBIN12326
CBIN12328
CULV10003
PIPE10390
PIPE10132
PIPE10215
PIPE10209
PIPE10391
PIPE10130
PIPE10206
PIPE10657
PIPE10217
PIPE10006
PIPE10185 PIPE10219
PIPE10655
PIPE10213
PIPE10133
PIPE10395
PIPE10141
CULV10018
PIPE10131
PIPE10218
PIPE10208
PIPE10393
PIPE10199
PIPE10674
PIPE10214
PIPE10211
PIPE10049
CULV10002
PIPE10140
PIPE10205
PIPE10135
PIPE10200
PIPE10005
PIPE10212
PIPE10201
PIPE10220
CULV10028
PIPE10389
PIPE10204
PIPE10078
PIPE10210
PIPE10676 CHAN10013
780' 780'
770'
770'
760' 760'
750'
750'
740'
740'
730'
730'
720' 720'
690'
690'
680'
680'
790' 790'
710'
710'
700' 700'
760' 760'
750' 750'
700'
710' 710'
720' 720'
730' 730'
740' 740'
690' 690'
700'
670'
670'
680'
680'
660' 660'
650' 650'
740'
740'
730'
730'
760'
760'
750'
750'
740' 740'
730'
730'
750' 750'
740' 740'
720' 720'
730' 730'
720' 720'
670' 670'
660' 660'
650' 650'
640' 640'
650'
650'
630' 630'
760'
760'
750'
750'
660' 660'
650'
650'
760' 760'
750'
750'
670'
670'
660' 660'
720'
720'
720'
720'
720'
650' 650'
750' 750'
750'
750'
720' 720'
690' 690'
670'
670'
660' 660'
660' 660'
660'
660'
640'
640'
640' 640'
630'
630'
740'
740'
720' 720'
630'
630'
630'
630'
OTLT10298
OTLT10309
OTLT10310

SAN MARCOS SAN MARCOS
W:\17729_SanMarcosDMP\GIS\DeliverableMaps\SMDMP_D_RecFac_Maps_11x17.mxd City of San Marcos - Drainage Master Plan

APPENDIX D
Recommended Improvements - Sheet 172
Major River / Stream
Sub-Catchments
Existing Inventory
#* Channel Confluence
"/ Cleanout
$1 Curb Inlet
$1 Curb Outlet
!( Detention Basin
"/ Inlet
"/ Outlet
$+ Other
2! Separator
l? Outfalls
$ Culvert
$ Channel wider than 5 ft
$ Ditch less than 5 ft wide
$ Elliptical
$ Natural Channel
$ Storm Main
Channel / Ditch Transects
2-YR Flood Inundation
10-YR Flood Inundation
50-YR Flood Inundation
100-YR Flood Inundation
Surcharging Junctions
Recommended Storm Drain
New
Replace
FEMA NFHL Floodplain
100-YR Floodway
100-YR Floodplain
April, 2019
Map Legend
Source: City of San Marcos, Rick Engineering Company,
SANGIS/USGS Aerial Imagery: 11/2014
0 200 400
Scale in Feet [
North
SEE SHEET 159
SEE SHEET 184
SEE SHEET 171SEE SHEET 173

PP RRIIVVAATTEE DDYY

PPRR IIVVAATT
EE
DDYY

RR IICC

HH LLAANN DD
RRDD

PEBBLE BEACH DR PEBBLE BEACH DR

PRIVATE DY PRIVATE DY

MMUULLBBEERRRRYY
DDRR

PRIVATE DY

TIDE WY TIDE WY

KILLARNEY TR

PRIVATE DY PRIVATE DY

RHEA LN RHEA LN

CRIMSON DR

WOODWARD ST WOODWARD ST

TURTLE POINT WY

AARRIIAANNAA RRDD

PRIVATE RD

TRES RANCHOS LN

SSEELLIINNAA DDRR

CCOOLLLLAADDOO LLNN

AARRCCAADDIIAA BBLLUUFFFF CCTT

PRIVATE RD

PPRRIIVVAATTEE RRDD

PRIVATE DY PRIVATE DY

ADENA WY ADENA WY
CBIN10689
CBIN10690
CBIN10691
CBIN10692
CLEN10546
CLEN10547
CBIN10699
INLT10254
INLT10255
CBIN10700
CBIN10701
CBIN10702
CBIN10703
CBIN10704
SEPR10013
CBIN10708
OTHR10147
CLEN10548
INLT10257
INLT10273
INLT10318
OTLT10136
OTHR11215
DETB10013
OTLT10445
PIPE10056
PIPE10035
DTCH10017
DTCH10012
PIPE10048
PIPE10060
PIPE10051
PIPE10036
PIPE10047
PIPE10038
PIPE10055
DTCH10015
DTCH10013
DTCH10014
DTCH10016
PIPE10199
PIPE10067
PIPE10034
PIPE10072
PIPE10127
PIPE10039
PIPE10057
PIPE10065
PIPE10064
PIPE10068
PIPE10066
PIPE10062
FLOW10006
960' 960'
950' 950'
930' 930'
940' 940'
910'
910'
920' 920'
900'
900'
880'
880'
890' 890'
870'
870'
860'
860'
850' 850'
840' 840'
830' 830'
820' 820'
810' 810'
800' 800'
790'
790'
950'
930'
930'
920'
920'
910' 910'
900'
900'
890' 890'
880'
880'
870' 870'
850'
830'
820'
810'
800'
790'
780'
770'
830' 830'
820' 820'
810' 810'
800' 800'
780'
770'
760'
820' 820'
810' 810'
800'
800'
790' 790'
780' 780'
770' 770'
750' 750'
740'
740'
730' 730'
750' 750'
730'
760' 760'
750' 750'
740' 740'
730'
730'
740'
740'
730' 730'
720' 720'
850' 850'
840' 840'
840'
840'
830' 830'
800'
800'
790'
790'
740'
740'
730' 730'
740'
740'
730'
730'
820'
820'
810' 810'
730' 730'
720'
720'
720' 720'
710'
710'
780'
780'
960' 960'
940' 940'
860'
860'
790'
790'
760'
760'
740' 740'
740'
740'
840'
820'
820'
810'
810'
810' 810'
790' 790'
760'
760'
760'
760'
750'
750'
720'
720'
700' 700'
770'
770'
740'
740'
730'
730'
720'
720'
S.D. S.D.

COUNTY COUNTY

SAN MARCOS SAN MARCOS

ESCONDIDO ESCONDIDO
W:\17729_SanMarcosDMP\GIS\DeliverableMaps\SMDMP_D_RecFac_Maps_11x17.mxd City of San Marcos - Drainage Master Plan

APPENDIX D
Recommended Improvements - Sheet 173
Major River / Stream
Sub-Catchments
Existing Inventory
#* Channel Confluence
"/ Cleanout
$1 Curb Inlet
$1 Curb Outlet
!( Detention Basin
"/ Inlet
"/ Outlet
$+ Other
2! Separator
l? Outfalls
$ Culvert
$ Channel wider than 5 ft
$ Ditch less than 5 ft wide
$ Elliptical
$ Natural Channel
$ Storm Main
Channel / Ditch Transects
2-YR Flood Inundation
10-YR Flood Inundation
50-YR Flood Inundation
100-YR Flood Inundation
Surcharging Junctions
Recommended Storm Drain
New
Replace
FEMA NFHL Floodplain
100-YR Floodway
100-YR Floodplain
April, 2019
Map Legend
Source: City of San Marcos, Rick Engineering Company,
SANGIS/USGS Aerial Imagery: 11/2014
0 200 400
Scale in Feet [
North
SEE SHEET 160
SEE SHEET 185
SEE SHEET 172SEE SHEET 174

WWOOOO DDLLAANNDD

HHEEIIGGHHTTSS
GGLLEE

CRIMSON DR

MMOOOONNLLI

IGGHHTTGGLLEENN

HHAACCII

EENNDDAAGGLLEENN

TIDE WY TIDE WY

ARIANA RD ARIANA RD

RICHLAND RD

SSUUMMMMIITT CCIIRRCCLLEEGGLLEENN

CCOOUUNNTTRRYYVVIIEEWWGGLLEENN

PPRRII VVAATTEE RRDD
INLT10256
CBIN10707
INLT11170
INLT11171
PIPE10037
PIPE10071
PIPE10070
PIPE11326
PIPE11327
1290' 1290'
1280' 1280'
1270' 1270'
1260' 1260'
1250' 1250'
1230'
1230'
1220'
1220'
1210'
1210'
1200'
1190'
1180'
1170'
1160'
1150'
1140'
1130'
1120'
1110'
1110'
1100'
1100'
1090'
1080'
1070'
1070'
1060'
1050'
1040'
1030'
1030'
1020' 1020'
1010' 1010'
1000' 1000'
990' 990'
980'
980'
970' 970'
960'
960'
950'
940'
940'
930'
920'
910'
900'
890'
880' 880'
870'
870'
860'
860'
850' 850'
840'
830'
830'
820'
820'
1110'
1120'
1130'
1080'
1080'
1090'
1090'
1100'
1100'
1110'
1040'
1050'
1060'
1030'
1030'
1020'
1010' 1010'
990'
990'
1000' 1000'
970'
970'
980'
980'
950' 950'
960' 960'
1140'
1140'
1070'
1220'
1220'
1210'
1210'
1200'
1200'
1190' 1190'
1180' 1180'
1170'
1170'
1160'
1150'
910'
910'
900' 900'
890'
880' 880'
870'
870'
860'
860'
1270'
1270'
1260'
1260'
1250' 1250'
1240' 1240'
1230' 1230'
1300'
1300'
1290' 1290'
1280' 1280'
970'
960' 960'
950'
950'
940'
930' 930'
920' 920'
1290'
1290'
1280'
1280'
990'
980' 980'
850'
850'
840' 840'
820' 820'
800'
800'
790'
780' 780'
810'
800'
790'
780'
1240'
810'
810'
940' 940'
1260'
1260' 1260' 1260'
1260' 1260'
990'
990'
1260'
830'
830'
810'
810'
810'
810'
1200'
1200'
980' 980'
940' 940'
S.D. COUNTY S.D. COUNTY

SAN MARCOS SAN MARCOS

ESCONDIDO ESCONDIDO
W:\17729_SanMarcosDMP\GIS\DeliverableMaps\SMDMP_D_RecFac_Maps_11x17.mxd City of San Marcos - Drainage Master Plan

APPENDIX D
Recommended Improvements - Sheet 174
Major River / Stream
Sub-Catchments
Existing Inventory
#* Channel Confluence
"/ Cleanout
$1 Curb Inlet
$1 Curb Outlet
!( Detention Basin
"/ Inlet
"/ Outlet
$+ Other
2! Separator
l? Outfalls
$ Culvert
$ Channel wider than 5 ft
$ Ditch less than 5 ft wide
$ Elliptical
$ Natural Channel
$ Storm Main
Channel / Ditch Transects
2-YR Flood Inundation
10-YR Flood Inundation
50-YR Flood Inundation
100-YR Flood Inundation
Surcharging Junctions
Recommended Storm Drain
New
Replace
FEMA NFHL Floodplain
100-YR Floodway
100-YR Floodplain
April, 2019
Map Legend
Source: City of San Marcos, Rick Engineering Company,
SANGIS/USGS Aerial Imagery: 11/2014
0 200 400
Scale in Feet [
North
SEE SHEET 161
SEE SHEET 186
SEE SHEET 173SEE SHEET 175

PRIVATE RD PRIVATE RD

WOODLAND PY

WOODLAND PY

PPRRIIVVAATTEERRDD

SSUUMMMMIITTCCIIRRCCLLEE GGLLEENN

VVAALLLLEEYY RRIIMM GGLLEENN

WWOOOODDLLAANNDD

HHEEIGIGHHTTSSGGLLEE

CCOOUUNNTTRRYYVVIIEEWWGGLLEENN

VVIIEEWW CCRREESSTT GGLLEENN

AA CCCCEESSSS
RR DD

MMIICCHHAAEELL GGLLEENN
1280'
1280'
1270'
1270'
1250'
1250'
1240' 1240'
1210'
1210'
1200'
1200'
1190'
1190'
1180'
1180'
1170'
1170'
1160'
1160'
1150'
1150'
1140'
1140'
1130' 1130'
1120' 1120'
1110'
1110'
1100'
1100'
1090' 1090'
1080'
1080'
1070'
1070'
1060' 1060'
1050'
1050'
1040' 1040'
1030'
1030'
1020' 1020'
1010'
1010'
1000'
1000'
990'
990'
980'
980'
970' 970'
960' 960'
950'
950'
940' 940'
930' 930'
920' 920'
910'
910'
900'
900'
890'
890'
880'
880'
870' 870'
850'
850'
840'
840'
830' 830'
820' 820'
1150'
1150'
1140' 1140'
1130'
1130'
1120'
1120'
1110'
1110'
1100' 1100'
1090'
1090'
1080'
1080'
1070'
1070'
1060'
1060'
1050'
1050'
1040'
1040'
1030'
1030'
1020'
1020'
1000' 1000'
990' 990'
980'
980'
970' 970'
960' 960'
950' 950'
940'
940'
930' 930'
920' 920'
910'
910'
1120'
1120'
1110'
1110'
1100'
1100'
1090'
1090'
1080'
1080'
1070' 1070'
1060'
1060'
1050' 1050'
1040'
1040'
1030' 1030'
1020' 1020'
1010' 1010'
1000' 1000'
990'
990'
980'
980'
1210'
1210'
1200' 1200'
1190' 1190'
1170'
1170'
1180'
1180'
1160' 1160'
920' 920'
910' 910'
900'
900'
890'
890'
1270' 1270'
1260'
1260'
1260' 1260'
1250' 1250'
1300' 1300'
1290' 1290'
1250'
1250'
1220' 1220'
1230' 1230'
1220'
1220'
810'
800'
800'
800'
800'
790' 790'
1230' 1230'
860' 860'
1010' 1010'
900'
900'
970'
960'
960'
910'
910'
1190'
1190'
1130' 1130'
1010'
1010'
920'
920'
870' 870'
840' 840'
780' 780'
1260'
1260' 1260' 1260'
S.D. COUNTY S.D. COUNTY

ESCONDIDO ESCONDIDO
W:\17729_SanMarcosDMP\GIS\DeliverableMaps\SMDMP_D_RecFac_Maps_11x17.mxd City of San Marcos - Drainage Master Plan

APPENDIX D
Recommended Improvements - Sheet 175
Major River / Stream
Sub-Catchments
Existing Inventory
#* Channel Confluence
"/ Cleanout
$1 Curb Inlet
$1 Curb Outlet
!( Detention Basin
"/ Inlet
"/ Outlet
$+ Other
2! Separator
l? Outfalls
$ Culvert
$ Channel wider than 5 ft
$ Ditch less than 5 ft wide
$ Elliptical
$ Natural Channel
$ Storm Main
Channel / Ditch Transects
2-YR Flood Inundation
10-YR Flood Inundation
50-YR Flood Inundation
100-YR Flood Inundation
Surcharging Junctions
Recommended Storm Drain
New
Replace
FEMA NFHL Floodplain
100-YR Floodway
100-YR Floodplain
April, 2019
Map Legend
Source: City of San Marcos, Rick Engineering Company,
SANGIS/USGS Aerial Imagery: 11/2014
0 200 400
Scale in Feet [
North
SEE SHEET 162
SEE SHEET 187
SEE SHEET 174SEE SHEET 176

BBAARRBBAARRAA DDRR

MMEEDDININAA GGLLEENN

SAWGRASS GLEN SAWGRASS GLEN

MMUUIIRRFFIIEELLDDGGLLEENN

GOLDEN CIRCLE DR

TORREY GLEN TORREY GLEN

PAMELA LN PAMELA LN

LARKHAVEN GLEN LARKHAVEN GLEN

JJAASSOONN GGLLEENN

DAVID GLEN

WWII NN

GGEEDD FFOO

OOTT GGLLEENN

SSTTIILLLLWWAATTEERR GGLLEENN

RROOYYAALL LLYYTTHHAA
MM

GGLLEENN

NNAATTIIOONNAALL GGLLEENN

BB IILLLLYY GGLLEENN

SSTT AANNNNEEGGLLEENN

DDAAVVIDID DDRR
DD AA

RREE NN GGLLEENN
CCAAMM
DDRR

MICHAEL GLEN MICHAEL GLEN

DDOORRAALL GGLLEENN

EARL GLEN

LOUIS DR LOUIS DR

CCYYPPRREESSSSPPOOIINNTTGGLLEENN
1030' 1030'
1020'
1020'
1010' 1010'
1000' 1000'
990'
990'
980'
980'
970'
970'
960'
960'
950' 950'
940' 940'
930' 930'
920' 920'
910' 910'
900' 900'
880'
880'
870'
870'
860'
860'
850'
850'
840' 840'
830'
830'
810'
810'
800'
800'
970' 970'
960'
960'
950'
950'
940'
940'
930' 930'
920'
920'
910'
910'
900' 900'
890'
890'
880' 880'
870'
870'
860'
860'
850' 850'
840'
840'
830'
830'
890' 890'
880' 880'
870' 870'
860'
860'
850'
850'
840' 840'
830' 830'
820' 820'
900' 900'
890' 890'
880'
870' 870'
860' 860'
850' 850'
840' 840'
820' 820'
810'
810'
790' 790'
780' 780'
800' 800'
770' 770'
900'
900'
890' 890'
890' 890'
880'
880'
800'
800'
790' 790'
780' 780'
760'
760'
790' 790'
780' 780'
1040'
1040'
820'
820'
820'
820'
810'
800'
830'
830'
880'
880'
800' 800'
860'
860'
850' 850'
820'
820'
800' 800'
800'
800'
800' 800'
780'
760' 760'
760' 760'
760'
760'
800'
800'
790'
790'
760' 760'
S.D. COUNTY S.D. COUNTY

ESCONDIDO ESCONDIDO
W:\17729_SanMarcosDMP\GIS\DeliverableMaps\SMDMP_D_RecFac_Maps_11x17.mxd City of San Marcos - Drainage Master Plan

APPENDIX D
Recommended Improvements - Sheet 176
Major River / Stream
Sub-Catchments
Existing Inventory
#* Channel Confluence
"/ Cleanout
$1 Curb Inlet
$1 Curb Outlet
!( Detention Basin
"/ Inlet
"/ Outlet
$+ Other
2! Separator
l? Outfalls
$ Culvert
$ Channel wider than 5 ft
$ Ditch less than 5 ft wide
$ Elliptical
$ Natural Channel
$ Storm Main
Channel / Ditch Transects
2-YR Flood Inundation
10-YR Flood Inundation
50-YR Flood Inundation
100-YR Flood Inundation
Surcharging Junctions
Recommended Storm Drain
New
Replace
FEMA NFHL Floodplain
100-YR Floodway
100-YR Floodplain
April, 2019
Map Legend
Source: City of San Marcos, Rick Engineering Company,
SANGIS/USGS Aerial Imagery: 11/2014
0 200 400
Scale in Feet [
North
SEE SHEET 163
SEE SHEET 188
SEE SHEET 175SEE SHEET 177

SLEEPY HOLLOW RD SLEEPY HOLLOW RD

RROOCCKKHHOOFFFFLLNN

GGEEMMLLNN

RROOCCKKHHOOFFFFRRDD

PRIVATE RD

MERCADO GLEN

MERCADO GLEN

PRIVATE RD PRIVATE RD
UNNAMED 9D ST UNNAMED 9D ST

ATHENS PL ATHENS PL
UUNNNNAAMMEEDD 99TT SSTT

SLEEPY HILL LN SLEEPY HILL LN

SSLLEEEEPPYY HH LILI LL RRDD

PPRRIIVVAATTEE
RRDD
1200'
1200'
1190'
1190'
1180'
1180'
1120'
1110'
1100'
1090'
1080' 1080'
1070' 1070'
1060'
1050'
1040' 1040'
1030'
1030'
1020'
1010'
1000' 1000'
990' 990'
980'
980'
970' 970'
960'
960'
950'
950'
940'
940'
930' 930'
920'
850' 850'
840' 840'
830'
830'
820' 820'
1210'
1210'
1170' 1170'
1160'
1160'
910' 910'
900' 900'
890' 890'
880' 880'
870' 870'
1010'
1000' 1000'
990'
990'
980'
970'
960'
950'
950'
910' 910'
900'
940'
940'
930'
930'
1000' 1000'
990' 990'
980' 980'
970' 970'
960' 960'
950' 950'
940'
940'
930'
930'
920' 920'
910'
910'
900' 900'
1060' 1060'
1050'
1050'
1040'
1040'
1030'
1030'
1020'
1020'
1010'
1010'
990' 990'
890'
890'
880'
880'
870' 870'
860' 860'
850' 850'
840'
840'
830' 830'
820' 820'
1060' 1060'
1050' 1050'1040'
1040'
1030' 1030'
1020' 1020'
1010' 1010'
1130'
1000'
990'
1130'
1120'
1120'
1110'
1110'
1100' 1100'
1090' 1090'
1080' 1080'
1080'
1080'
1070'
1070'
1050'
1050'
1100'
1100'
1090'
1090'
1020'
1020'
1010'
1010'
990'
990'
980' 980'
1140'
1130'
1120'
1110'
930'
930'
920'
920'
910'
910'
890'
890'
880' 880'
930' 930'
920' 920'
910'
910'
900' 900'
890'
890'
870'
860' 860'
1160' 1160'
1150'
1060'
1030'
1030'
1020'
1160'
1160'
1150' 1150'
1140' 1140'
1150' 1150'
1140'
1140'
1090' 1090'
1080'
1080'
1070' 1070'
1060' 1060'
1050'
1050'
1010'
1010'
1000'
1000'
930'
930'
920'
920'
910'
910'
890' 890'
880' 880'
870' 870'
810' 810'
800' 800'
790' 790'
1070'
1070'
1060' 1060'
1060' 1060'
1050' 1050'
910'
900'
900'
910' 910'
900' 900'
900' 900'
890'
890'
890' 890'
880' 880'
850' 850'
840' 840'
850'
850'
840' 840'
830' 830'
820'
820'
1130'
1130'
860'
860'
920' 920'
980' 980'
1000' 1000'
1070'
1070'
1060'
1060'
1050' 1050'
810' 810'
1060'
1060'
1010'
1010'
1010'
1010'
970' 970'
910' 910'
900'
900'
900'
900'
890' 890'
880' 880'
890' 890'
870' 870'
S.D. COUNTY S.D. COUNTY

ESCONDIDO ESCONDIDO
W:\17729_SanMarcosDMP\GIS\DeliverableMaps\SMDMP_D_RecFac_Maps_11x17.mxd City of San Marcos - Drainage Master Plan

APPENDIX D
Recommended Improvements - Sheet 177
Major River / Stream
Sub-Catchments
Existing Inventory
#* Channel Confluence
"/ Cleanout
$1 Curb Inlet
$1 Curb Outlet
!( Detention Basin
"/ Inlet
"/ Outlet
$+ Other
2! Separator
l? Outfalls
$ Culvert
$ Channel wider than 5 ft
$ Ditch less than 5 ft wide
$ Elliptical
$ Natural Channel
$ Storm Main
Channel / Ditch Transects
2-YR Flood Inundation
10-YR Flood Inundation
50-YR Flood Inundation
100-YR Flood Inundation
Surcharging Junctions
Recommended Storm Drain
New
Replace
FEMA NFHL Floodplain
100-YR Floodway
100-YR Floodplain
April, 2019
Map Legend
Source: City of San Marcos, Rick Engineering Company,
SANGIS/USGS Aerial Imagery: 11/2014
0 200 400
Scale in Feet [
North
SEE SHEET 164
SEE SHEET 189
SEE SHEET 176SEE SHEET 178

N NUTMEG ST

AMBER LN

NN CCEE NNTT RREE CCIITTYY PPYY

WWOOOODDSSIIDDEEPPLL

NIELSON LN NIELSON LN

ROCKHOFF RD ROCKHOFF RD

SSKKYYRRIIDDGGEE LLNN

WILDFLOWER PL WILDFLOWER PL

NNUUTTMMEEGGTTRR

RROOCCKKHHOOFFFF RRDD
NN

CCEENNTT RREE

CCIITTYY
PPYY
§¨¦15
1010'
1010'
1000' 1000'
990' 990'
980' 980'
970' 970'
960' 960'
940' 940'
930' 930'
920'
920'
910' 910'
900' 900'
890' 890'
880'
880'
870' 870'
860'
860'
850'
850'
840'
840'
830' 830'
820' 820'
810' 810'
800' 800'
980'
980'
960' 960'
950'
950'
930'
930'
920' 920'
910'
910'
900' 900'
950'
950'
940' 940'
930' 930'
920' 920'
910'
910'
900' 900'
890' 890'
910' 910'
900' 900'
890' 890'
880' 880'
1020'
1010'
1010'
1000'
900'
900'
890'
890'
880' 880'
900' 900'
890' 890'
880' 880'
980' 980'
970'
970'
920' 920'
910' 910'
910'
910'
900'
900'
880' 880'
870'
870'
870'
870'
860'
860' 860'
850' 850'
840' 840'
830'
820' 820'
1030' 1030'
1020'
1020'
950' 950'
970' 970'
940'
940'
1010' 1010'
990'
990'
910'
910'
900' 900'
890' 890'
910' 910'
990' 990'
960'
960'
930'
910' 910'
890' 890'
870'
870'
870' 870'
860'
860'
850'
850'
790'
790'
860'
860'
S.D. COUNTY S.D. COUNTY

ESCONDIDO ESCONDIDO
W:\17729_SanMarcosDMP\GIS\DeliverableMaps\SMDMP_D_RecFac_Maps_11x17.mxd City of San Marcos - Drainage Master Plan

APPENDIX D
Recommended Improvements - Sheet 178
Major River / Stream
Sub-Catchments
Existing Inventory
#* Channel Confluence
"/ Cleanout
$1 Curb Inlet
$1 Curb Outlet
!( Detention Basin
"/ Inlet
"/ Outlet
$+ Other
2! Separator
l? Outfalls
$ Culvert
$ Channel wider than 5 ft
$ Ditch less than 5 ft wide
$ Elliptical
$ Natural Channel
$ Storm Main
Channel / Ditch Transects
2-YR Flood Inundation
10-YR Flood Inundation
50-YR Flood Inundation
100-YR Flood Inundation
Surcharging Junctions
Recommended Storm Drain
New
Replace
FEMA NFHL Floodplain
100-YR Floodway
100-YR Floodplain
April, 2019
Map Legend
Source: City of San Marcos, Rick Engineering Company,
SANGIS/USGS Aerial Imagery: 11/2014
0 200 400
Scale in Feet [
North
SEE SHEET 165
SEE SHEET 190
SEE SHEET 177

MIRA SOL MIRA SOL

ESTRELITA DR ESTRELITA DR APPLE BLOSSOM LN

EELL CCOORRTT
SS
OO

SS AANNTTAA FFEE AAVV

LOVEENY DR LOVEENY DR

PRIVATE RD

VICTORY DR VICTORY DR

MILLEGAR LN

MILLEGAR LN FAR VIEW PL

BBEELLLLAA

VVIISSTTAA
DDRR

PPRRIIVVAATTEE
RRDD

PRIVATE RD
CCAAMM
DDEE

PPRRICICILILLLAA

PPRRIIVVAATTEE RRDD

PRIVATE RD PRIVATE RD

CHERIMOYA DR

PPRRIIVVAATTEE
RRDD
680' 680'
670' 670'
660' 660'
650' 650'
640' 640'
630' 630'
620' 620'
610' 610'
600' 600'
590' 590'
580' 580'
570' 570'
560' 560'
550' 550'
540' 540'
530' 530'
510' 510'
520' 520'
500' 500'
540' 540'
530' 530'
560' 560'
550' 550'
680' 680'
670' 670'
660' 660'
690' 690'
640' 640'
570' 570'
540' 540'
520' 520'
S.D. COUNTY S.D. COUNTY
W:\17729_SanMarcosDMP\GIS\DeliverableMaps\SMDMP_D_RecFac_Maps_11x17.mxd City of San Marcos - Drainage Master Plan

APPENDIX D
Recommended Improvements - Sheet 179
Major River / Stream
Sub-Catchments
Existing Inventory #* Channel Confluence "/ Cleanout $1 Curb Inlet $1 Curb Outlet !( Detention Basin "/ Inlet "/ Outlet $+ Other 2! Separator l? Outfalls $ Culvert $ Channel wider than 5 ft $ Ditch less than 5 ft wide $ Elliptical $ Natural Channel $ Storm Main Channel / Ditch Transects
2-YR Flood Inundation
10-YR Flood Inundation
50-YR Flood Inundation
100-YR Flood Inundation
Surcharging Junctions
Recommended Storm Drain
New
Replace
FEMA NFHL Floodplain
100-YR Floodway
100-YR Floodplain
April, 2019
Map Legend
Source: City of San Marcos, Rick Engineering Company,
SANGIS/USGS Aerial Imagery: 11/2014
0 200 400
Scale in Feet
[
North
SEE SHEET 167
SEE SHEET 180

NN LLAASSPPOOSSAASS
RRDD

FAR VIEW PL

ESPLENDIDO AV ESPLENDIDO AV

MILLEGAR LN

MILLEGAR LN

PRIVATE RD PRIVATE RD

EENNTTRRAADDAAAAVV

PPRRIVIVAATTEE RRDD
CBIN10319
OTLT10019
OTLT10020
OTHR10166
OTLT10046
OTHR10167
DETB10021 OTLT10452
OTLT10453
INLT11624
INLT11625
Agua Hedionda Creek
CHAN10735
PIPE14210
FLOW10079
PIPE14265
FLOW10065
PIPE14260
PIPE14189
FLOW10069
FLOW10068
CHAN10739
CHAN10738
CHAN10734
CHAN10737
CHAN10733
PIPE14793
760'
760'
750'
750'
740' 740'
730' 730'
720'
720'
710'
710'
700' 700'
690' 690'
670'
670'
660' 660'
650'
650'
610'
610'
600'
600'
590'
590'
780' 780'
770' 770'
680'
680'
640'
640'
740'
740'
730' 730'
720' 720'
710'
710'
700' 700'
690' 690'
680'
680'
670' 670'
660' 660'
650'
650'
640'
640'
630' 630'
610' 610'
620'
600'
600'
590' 590'
580' 580'
720'
720'
710'
710'
700' 700'
690' 690'
670'
680'
680'
650'
660'
660'
670'
650'
700'
690'
680' 680'
670'
670'
660'
660'
630' 630'
620' 620'
610' 610'
600'
600'
770' 770'
760' 760'
750'
670'
670'
660' 660'
650' 650'
640' 640'
580' 580'
570' 570'
580'
580'
570' 570'
630'
620' 620'
760' 760'
750' 750'
650'
650'
680' 680'
770'
770'
710' 710'
690'
690'
670' 670'
660'
660'
630' 630'
620'
620'
620' 620'
600'
600'
590'
570' 570'
590'
590'
690'
690'

SAN MARCOS SAN MARCOS
S.D. COUNTY S.D. COUNTY
W:\17729_SanMarcosDMP\GIS\DeliverableMaps\SMDMP_D_RecFac_Maps_11x17.mxd City of San Marcos - Drainage Master Plan

APPENDIX D
Recommended Improvements - Sheet 180
Major River / Stream
Sub-Catchments
Existing Inventory
#* Channel Confluence
"/ Cleanout
$1 Curb Inlet
$1 Curb Outlet
!( Detention Basin
"/ Inlet
"/ Outlet
$+ Other
2! Separator
l? Outfalls
$ Culvert
$ Channel wider than 5 ft
$ Ditch less than 5 ft wide
$ Elliptical
$ Natural Channel
$ Storm Main
Channel / Ditch Transects
2-YR Flood Inundation
10-YR Flood Inundation
50-YR Flood Inundation
100-YR Flood Inundation
Surcharging Junctions
Recommended Storm Drain
New
Replace
FEMA NFHL Floodplain
100-YR Floodway
100-YR Floodplain
April, 2019
Map Legend
Source: City of San Marcos, Rick Engineering Company,
SANGIS/USGS Aerial Imagery: 11/2014
0 200 400
Scale in Feet [
North
SEE SHEET 168
SEE SHEET 191
SEE SHEET 179SEE SHEET 181

N LAS POSAS RD N LAS POSAS RD

AARRDD IILLLLAA
WWYY

AVNDA ABEJA AVNDA ABEJA

VIA ARTISTA

VIA BAHIA VIA BAHIA

PPRRIVIVAATTEERRDD

CTE BAGALSO CTE BAGALSO

CAM MAGNIFICO CAM MAGNIFICO

VVIIAA BBAARRQQUUEERROO

AAVVNNDDAA

CCOODDOORRNNIZIZ
CBIN10309 CBIN10310
CBIN10312
CBIN10313 INLT10097
INLT10098
CBIN10314
CBIN10316 CBIN10320
CBIN10321
CBIN10322
CBIN10311
CLEN10254
CBIN10315
CBIN10317 CBIN10318
CBIN10319
INLT10099
INLT10100
CLEN10256
CBIN10352
CBIN10353
CBIN10354
CBIN10355
CBIN10357 CBIN10356
CBIN10376 CBIN10377 CBIN10378
CBIN10379 CBIN10380
CBIN10381
CBIN10382
CBIN10383 CBIN10384
OTLT10020
OTHR10165
OTHR10166
OTLT10046
OTHR10167
OTLT10047
CBIN10769
CBIN10770 INLT10275
OTLT10094
INLT10419
Agua Hedionda Creek
PIPE14190
PIPE14270
PIPE11570
PIPE14218
PIPE14257
PIPE11577
PIPE14212
PIPE14253
PIPE14192
PIPE14261
PIPE11638
PIPE14269
FLOW10068
PIPE14237
PIPE14195
PIPE14238
PIPE14255
PIPE11572
PIPE14198
PIPE14188
PIPE11569
PIPE11589
PIPE14204
PIPE14220
PIPE14258
CULV10250
PIPE14191
PIPE14203
PIPE14189
PIPE14211
PIPE11623
PIPE11573
PIPE11612
PIPE14214
PIPE14256
PIPE14219
PIPE11624
PIPE11571
PIPE14254
PIPE14213
PIPE14242
FLOW10070
950' 950'
940'
940'
930'
930'
920' 920'
910' 910'
900' 900'
890' 890'
880' 880'
870' 870'
860' 860'
850' 850'
840'
840'
830' 830'
820' 820'
810'
810'
800' 800'
780'
780'
770'
770'
760'
760'
750'
750'
740' 740'
730'
730'
720'
720'
710'
710'
660' 660'
960' 960'
790' 790'
690' 690'
680' 680'
670' 670'
790' 790'
780' 780'
770' 770'
760'
760'
750'
750'
740'
740'
730' 730'
720'
720'
710'
710'
700'
700'
690'
690'
680'
680'
670'
670'
660' 660'
650' 650'
700'
690'
680' 680'
670'
670'
910'
910'
920'
920'
930'
930'
700'
690' 690'
680' 680'
670' 670'
610'
610'
590' 590'
630'
630'
620' 620'
850'
850'
840' 840'
700'
700'
690' 690'
680'
680'
670' 670'
660'
660'
720' 720'
710'
700'
700'
720'
700'
700'
650' 650'
640' 640'
620'
620'
610'
610'
600'
600'
640' 640'
670' 670'
970' 970'
980' 980'
710' 710'
700' 700'
690'
690'
710' 710'
720'
720'
710' 710'
660'

SAN MARCOS SAN MARCOS
S.D. COUNTY S.D. COUNTY
W:\17729_SanMarcosDMP\GIS\DeliverableMaps\SMDMP_D_RecFac_Maps_11x17.mxd City of San Marcos - Drainage Master Plan

APPENDIX D
Recommended Improvements - Sheet 181
Major River / Stream
Sub-Catchments
Existing Inventory
#* Channel Confluence
"/ Cleanout
$1 Curb Inlet
$1 Curb Outlet
!( Detention Basin
"/ Inlet
"/ Outlet
$+ Other
2! Separator
l? Outfalls
$ Culvert
$ Channel wider than 5 ft
$ Ditch less than 5 ft wide
$ Elliptical
$ Natural Channel
$ Storm Main
Channel / Ditch Transects
2-YR Flood Inundation
10-YR Flood Inundation
50-YR Flood Inundation
100-YR Flood Inundation
Surcharging Junctions
Recommended Storm Drain
New
Replace
FEMA NFHL Floodplain
100-YR Floodway
100-YR Floodplain
April, 2019
Map Legend
Source: City of San Marcos, Rick Engineering Company,
SANGIS/USGS Aerial Imagery: 11/2014
0 200 400
Scale in Feet [
North
SEE SHEET 169
SEE SHEET 192
SEE SHEET 180SEE SHEET 182
INLT10098
1280' 1280'
1270'
1270'
1260'
1260'
1250' 1250'
1240'
1240'
1230'
1230'
1220' 1220'
1210'
1210'
1200' 1200'
1190' 1190'
1180'
1180'
1170'
1170'
1160' 1160'
1150' 1150'
1140' 1140'
1120' 1120'
1110'
1110'
1100' 1100'
1090'
1090'
1070' 1070'
1060' 1060'
1050' 1050'
1030' 1030'
1020' 1020'
1010'
1010'
1000' 1000'
990' 990'
930'
920'
910'
900'
900'
890'
880' 880'
870'
870'
860' 860'
850'
850'
840'
840'
830'
830'
820' 820'
800'
800'
790' 790'
1090' 1090'
1100' 1100'
1110' 1110' 1120' 1120'
1130' 1130'
1140' 1140'
1150' 1150'
1160' 1160'
1170' 1170'
1180'
1180'
1190'
1190'
1200' 1200'
1210'
1210'
1080' 1080'
1030' 1030'
1040' 1040'
1050' 1050'
1060' 1060' 1070' 1070'
1020' 1020'
1010' 1010'
1000' 1000'
1200' 1200'
1190' 1190'
1180' 1180'
1170' 1170'
1160'
1160'
1150'
1150'
1140'
1140'
1130' 1130'
1120' 1120'
1110'
1110'
1100' 1100'
1090'
1090'
1080' 1080'
1070' 1070'
1060' 1060'
1050' 1050'
1040'
1040'
1030'
1030'
1020'
1020'
1220'
1220'
1210' 1210'
1200' 1200'
1190' 1190'
1180' 1180'
1170' 1170'
1160' 1160'
1150' 1150'
1140'
1140'
1130'
1130'
1120'
1120'
1110'
1110'
1100' 1100'
1090'
1090'
1080'
1080'
960'
950'
940'
930'
920'
910'
900'
890'
880'
870'
860'
850' 850'
840'
830' 830'
820'
820'
810'
810'
800'
1250' 1250'
1240' 1240'
1230' 1230'
1220' 1220'
1210' 1210'
1200' 1200'
1190'
1190'
1180' 1180'
1170' 1170'
1160'
1160'
1030'
1030'
1000'
1000'
990'
990'
980' 980'
1010'
1010'
970' 970'
1040'
1030'
1020' 1020'
1010'
1000' 1000'
990' 990'
850' 850'
840'
840'
830'
830'
820' 820'
1040' 1040'
1030' 1030'
1030'
1020' 1020'
990' 990'
980' 980'
900'
890' 890'
1220' 1220'
1210'
1210'
1040'
1040'
1050' 1050'
960'
960'
950'
950'
860'
860'
850'
850'
1300'
1300'
1290'
1290'
990'
990'
980' 980'
940'
940'
930' 930'
1130'
1130'
1080' 1080'
980'
980'
950'
940'
940'
810' 810'
1070'
1070'
1030' 1030'
1020' 1020'
1150' 1150'
1110'
1110'
1080' 1080'
830'
830'

SAN MARCOS SAN MARCOS
S.D. S.D.

COUNTY COUNTY
W:\17729_SanMarcosDMP\GIS\DeliverableMaps\SMDMP_D_RecFac_Maps_11x17.mxd City of San Marcos - Drainage Master Plan

APPENDIX D
Recommended Improvements - Sheet 182
Major River / Stream
Sub-Catchments
Existing Inventory
#* Channel Confluence
"/ Cleanout
$1 Curb Inlet
$1 Curb Outlet
!( Detention Basin
"/ Inlet
"/ Outlet
$+ Other
2! Separator
l? Outfalls
$ Culvert
$ Channel wider than 5 ft
$ Ditch less than 5 ft wide
$ Elliptical
$ Natural Channel
$ Storm Main
Channel / Ditch Transects
2-YR Flood Inundation
10-YR Flood Inundation
50-YR Flood Inundation
100-YR Flood Inundation
Surcharging Junctions
Recommended Storm Drain
New
Replace
FEMA NFHL Floodplain
100-YR Floodway
100-YR Floodplain
April, 2019
Map Legend
Source: City of San Marcos, Rick Engineering Company,
SANGIS/USGS Aerial Imagery: 11/2014
0 200 400
Scale in Feet [
North
SEE SHEET 170
SEE SHEET 193
SEE SHEET 181SEE SHEET 183

DDEELL RROOYY DDRR

DDEEEERRBBRROOOOKK DDRR
VVIIAA

MM OONNTTEECCIILLLLOO
MM

AALLOONNEEYY SSTT

RROOBBIINNHHOOOODDRRDD
INLT10260
CLEN10575
OTHR10154
OTHR10155
OTHR10156 OTHR10157
CLEN10589
CBIN11789
CBIN11790
CLEN11289
INLT10898
PIPE10108
PIPE10504
PIPE10103 PIPE10101
PIPE10098
PIPE10090
PIPE10505
PIPE10503
PIPE10102
PIPE10502
PIPE10091
1290'
1290'
1280'
1280'
1270'
1270'
1260'
1260'
1250' 1250'
1240'
1240'
1230' 1230'
1220'
1220'
1210' 1210'
1200' 1200'
1190' 1190'
1180'
1180'
1170'
1170'
1160' 1160'
1150' 1150'
1140'
1140'
1130' 1130'
1120'
1120'
1110'
1110'
1100'
1100'
1090' 1090'
1080'
1080'
1070' 1070'
1060' 1060'
1050' 1050'
1040'
1040'
1030'
1030'
1020' 1020'
1010'
1010'
1000' 1000'
990' 990'
980' 980'
970'
970'
960' 960'
950' 950'
940' 940'
930' 930'
920' 920'
910'
910'
900' 900'
890' 890'
880' 880'
870' 870'
860' 860'
850' 850'
840'
840'
830'
830'
820' 820'
810'
810'
800' 800'
790' 790'
780' 780'
770'
770'
760'
760'
750' 750'
740' 740'
730' 730'
720'
720'
710'
710'
690' 690'
680'
680'
880'
880'
870' 870'
860'
860'
850'
850'
840' 840'
830' 830'
820'
820'
810' 810'
800' 800'
790' 790'
780'
780'
770'
770'
760'
760'
750'
750'
740' 740'
730'
730'
720' 720'
710' 710'
880'
880'
870' 870'
860'
860'
850' 850'
840'
840'
830' 830'
820' 820'
810' 810'
800'
800'
790' 790'
1090' 1090'
1080'
1080'
1070'
1070'
1060'
1060'
1050'
1050'
1040' 1040'
1020' 1020'
950' 950'
940'
940'
930' 930'
920'
920'
910' 910'
900' 900'
890' 890'
880' 880'
870'
860'
860'
850' 850'
840' 840'
830' 830'
820'
820'
1160' 1160'
1150'
1150'
1140' 1140'
1130' 1130'
1120' 1120'
880' 880'
870' 870'
1300' 1300'
700'
700'
670'
670'
700' 700'
810' 810'
930'
910' 910'
860'
860'
710'
710'
700' 700'
700'
700'

SAN MARCOS SAN MARCOS
W:\17729_SanMarcosDMP\GIS\DeliverableMaps\SMDMP_D_RecFac_Maps_11x17.mxd City of San Marcos - Drainage Master Plan

APPENDIX D
Recommended Improvements - Sheet 183
Major River / Stream
Sub-Catchments
Existing Inventory
#* Channel Confluence
"/ Cleanout
$1 Curb Inlet
$1 Curb Outlet
!( Detention Basin
"/ Inlet
"/ Outlet
$+ Other
2! Separator
l? Outfalls
$ Culvert
$ Channel wider than 5 ft
$ Ditch less than 5 ft wide
$ Elliptical
$ Natural Channel
$ Storm Main
Channel / Ditch Transects
2-YR Flood Inundation
10-YR Flood Inundation
50-YR Flood Inundation
100-YR Flood Inundation
Surcharging Junctions
Recommended Storm Drain
New
Replace
FEMA NFHL Floodplain
100-YR Floodway
100-YR Floodplain
April, 2019
Map Legend
Source: City of San Marcos, Rick Engineering Company,
SANGIS/USGS Aerial Imagery: 11/2014
0 200 400
Scale in Feet [
North
SEE SHEET 171
SEE SHEET 194
SEE SHEET 182SEE SHEET 184

BBEERRKKSSHHIRIREECCTT

DEL ROY DR DEL ROY DR

N TWIN OAKS VALLEY RD N TWIN OAKS VALLEY RD

ROWENA AV ROWENA AV

N TWIN OAKS VALLEY RD N TWIN OAKS VALLEY RD

MEDINAH RD

CONCORD PL

CONCORD PL

PRIVATE RD

BBAAYY HH LILI LL DDRR

TURNBERRY DR TURNBERRY DR
INLT10298
CBIN10826 INLT10299
CBIN10827
CBIN10828
CBIN10829
CBIN10830 CLEN10629 CLEN10630
CBIN11301
OTHR10332
INLT10553
CLEN10937 CLEN11050
CBIN11455
CBIN11456
CBIN11458
CLEN11052
CBIN11459
CLEN11053
CLEN11054
CLEN11055
CLEN11086
CLEN11317
CLEN11318
CLEN11319
CBIN11822
CBIN11823
INLT10919
CLEN11321
OTLT10264
CBIN12330
OTHR11614
PIPE10456
PIPE10512
PIPE10453
PIPE10186
PIPE10518
PIPE10457
PIPE10660
PIPE10510
PIPE10513
DTCH10045
PIPE10223
PIPE10450
PIPE10400
PIPE10501
PIPE10485
PIPE10188
PIPE10658
DTCH10060
DTCH10055
DTCH10052
DTCH10058
DTCH10059
DTCH10057 DTCH10056
DTCH10050
DTCH10046
DTCH10051
DTCH10049 DTCH10053
PIPE10451
PIPE10520
PIPE10221
PIPE10508
PIPE10486
PIPE10666
PIPE10458
PIPE10667
PIPE10461
PIPE10511
PIPE10454
PIPE10670
PIPE10222
PIPE10187
PIPE10452
PIPE10381
PIPE10460
PIPE10459
PIPE10509
810' 810'
800'
800'
790' 790'
780' 780'
770' 770'
760' 760'
750' 750'
740' 740'
730'
730'
720'
720'
710'
710'
700'
700'
690'
690'
680' 680'
670' 670'
730' 730'
720' 720'
710' 710'
700' 700'
690' 690'
680' 680'
660' 660'
740' 740'
670'
670'
800'
800'
790' 790'
780'
780'
770'
770'
760' 760'
750'
750'
740' 740'
810'
810'
800' 800'
790' 790'
780' 780'
770' 770'
760' 760'
750' 750'
740' 740'
730'
730'
720'
720'
710'
710'
700'
700'
690'
690'
680'
680'
670' 670'
660'
660'
680'
670'
670'
670'
650' 650'
660'
660'
650' 650'
650' 650'
810'
810'
760' 760'
670'
670'670'
670' 670' 670'
670' 670'
660' 660'
660' 660'
660' 660'
660' 660'
660' 660'
650' 650'
650'
650'
650'
650'
640'
640'
650'
650'
760'
760'
670'
670'
670' 670'
670' 670'
670' 670'
660' 660'
INLT10952
OTLT10307
OTLT10308
OTLT10314

SAN MARCOS SAN MARCOS
W:\17729_SanMarcosDMP\GIS\DeliverableMaps\SMDMP_D_RecFac_Maps_11x17.mxd City of San Marcos - Drainage Master Plan

APPENDIX D
Recommended Improvements - Sheet 184
Major River / Stream
Sub-Catchments
Existing Inventory
#* Channel Confluence
"/ Cleanout
$1 Curb Inlet
$1 Curb Outlet
!( Detention Basin
"/ Inlet
"/ Outlet
$+ Other
2! Separator
l? Outfalls
$ Culvert
$ Channel wider than 5 ft
$ Ditch less than 5 ft wide
$ Elliptical
$ Natural Channel
$ Storm Main
Channel / Ditch Transects
2-YR Flood Inundation
10-YR Flood Inundation
50-YR Flood Inundation
100-YR Flood Inundation
Surcharging Junctions
Recommended Storm Drain
New
Replace
FEMA NFHL Floodplain
100-YR Floodway
100-YR Floodplain
April, 2019
Map Legend
Source: City of San Marcos, Rick Engineering Company,
SANGIS/USGS Aerial Imagery: 11/2014
0 200 400
Scale in Feet [
North
SEE SHEET 172
SEE SHEET 195
SEE SHEET 183SEE SHEET 185

MULBERRY DR MULBERRY DR

RRICICHHLLAANNDD RRDD

TWAIN CT TWAIN CT

MARILYN LN

MARILYN LN

RICHLAND VIEW CT

STEVENSON CT STEVENSON CT
EE

LLAA CCIIEENNEEGGAA RRDD

ZINFANDEL WY

VICTORIA WY

PEBBLE BEACH DR PEBBLE BEACH DR
CBIN10674
CLEN10938
CBIN11302
CLEN10939
CLEN10940
CBIN11303
CLEN10941
CBIN11502
CLEN11071
CBIN11503
CBIN11523
CBIN11532
CLEN11084
CBIN11533
CLEN11085
CBIN11534
INLT10725
CBIN11535
INLT10726
CLEN11086
CBIN11824
CBIN11825
INLT10920
SEPR10035
CLEN11321
INLT11206
INLT11207
OTLT10315
OTLT10336
OTHR11342
INLT11329
PIPE10665
CULV10029
PIPE10579
PIPE10469
PIPE10478
PIPE10515
PIPE10607
PIPE10481
PIPE10405
PIPE10610
PIPE10486
PIPE10519
PIPE10516
DTCH10006
DTCH10093
DTCH10010
DTCH10085
DTCH10087
DTCH10090
DTCH10088
DTCH10092
DTCH10089
DTCH10007
DTCH10091
DTCH10086
PIPE10508
PIPE10520
PIPE10518
PIPE10477
PIPE10127
PIPE10406
PIPE10608
PIPE10403
PIPE10507
PIPE10401
PIPE10485
PIPE10609
PIPE10402
PIPE10470
PIPE10480
PIPE10468
950' 950'
960' 960'
930'
930'
940' 940'
920'
920'
900'
900'
910'
910'
890'
890'
880' 880'
870'
870'
860' 860'
840'
840'
850' 850'
830' 830'
820' 820'
810' 810'
800' 800'
790' 790'
760' 760'
750' 750'
740'
740'
780' 780'
770'
770'
730'
730'
720' 720'
710' 710'
810'
810'
800' 800'
790' 790'
780'
780'
770' 770'
760' 760'
750' 750'
740' 740'
810'
810'
800'
800'
790' 790'
780' 780'
770' 770' 760' 760' 750' 750'
730' 730'
930' 930'
920'
910'
820'
820'
810'
810'
800' 800'
790'
790'
820' 820'
810' 810'
800' 800'
790' 790'
690' 690'
680'
680'
700' 700'
720' 720'
740' 740'
940' 940'
810' 810'
720' 720'
680'
690'
690'
690'
690'
S.D. COUNTY S.D. COUNTY

SAN MARCOS SAN MARCOS

ESCONDIDO ESCONDIDO
W:\17729_SanMarcosDMP\GIS\DeliverableMaps\SMDMP_D_RecFac_Maps_11x17.mxd City of San Marcos - Drainage Master Plan

APPENDIX D
Recommended Improvements - Sheet 185
Major River / Stream
Sub-Catchments
Existing Inventory
#* Channel Confluence
"/ Cleanout
$1 Curb Inlet
$1 Curb Outlet
!( Detention Basin
"/ Inlet
"/ Outlet
$+ Other
2! Separator
l? Outfalls
$ Culvert
$ Channel wider than 5 ft
$ Ditch less than 5 ft wide
$ Elliptical
$ Natural Channel
$ Storm Main
Channel / Ditch Transects
2-YR Flood Inundation
10-YR Flood Inundation
50-YR Flood Inundation
100-YR Flood Inundation
Surcharging Junctions
Recommended Storm Drain
New
Replace
FEMA NFHL Floodplain
100-YR Floodway
100-YR Floodplain
April, 2019
Map Legend
Source: City of San Marcos, Rick Engineering Company,
SANGIS/USGS Aerial Imagery: 11/2014
0 200 400
Scale in Feet [
North
SEE SHEET 173
SEE SHEET 196
SEE SHEET 184SEE SHEET 186

WWOOOODD LLAANN DD HHEE IIGGHH TTSS GGLLEE

SUMMIT CIRCLE GLEN SUMMIT CIRCLE GLEN

CLEAR VIEW GLEN

RROOCCKK VV EIEI WWGGLLEENN

RICHLAND VIEW CT

SSUUMMMMIITT GGLLEENN

EEAAGGLLEESS VVIEIEWW

GGLLEENN

TTWWIILLIIGG
HH
TT

GGLLEENN

BBEEAARRRROOCCKKGGLLEENN

SSTTAARRLLIIGGHHTT GGLLEENN

MMOOOONNLLIIGGHHTT GGLLEENN

SSEEAA SSCCAAPPEE GGLLEENN
1290'
1290'
1280'
1280'
1270'
1270'
1260'
1260'
1250' 1250'
1240'
1240'
1230'
1230'
1220' 1220'
1210'
1210'
1200'
1200'
1190'
1190'
1180'
1170'
1160'
1160'
1150'
1140' 1140'
1130'
1130'
1120'
1110' 1110'
1100'
1100'
1090' 1090'
1080' 1080'
1070'
1070'
1060'
1060'
1050' 1050'
1040'
1040'
1030'
1030'
1020'
1020'
1010'
1010'
1000'
1000'
990'
990'
980'
980'
970' 970'
960'
960'
950'
950'
940' 940'
930' 930'
920'
920'
910' 910'
900' 900'
890' 890'
880' 880'
870'
870'
910'
910'
900' 900'
890' 890'
880' 880'
870'
870'
860' 860'
850' 850'
840' 840'
830'
830'
990' 990'
980' 980'
970' 970'
960' 960'
950' 950'
940' 940'
930' 930'
920' 920' 980' 980'
990'
990'
960' 960'
970' 970'
990' 990'
980' 980'
970' 970'
960' 960'
900'
890'
880'
1290'
1290'
1280' 1280'
1270'
1270'
850' 850'
830' 830'
840'
840'
830'
830'
820'
830' 830'
820'
810' 810'
800' 800'
790'
790'
860' 860'
800' 800'
1300' 1300'
950'
950'
830' 830'
1300' 1300'
1310' 1310'
1290'
1290'
1270'
1270'
860' 860'
840' 840'
S.D. COUNTY S.D. COUNTY

ESCONDIDO ESCONDIDO
W:\17729_SanMarcosDMP\GIS\DeliverableMaps\SMDMP_D_RecFac_Maps_11x17.mxd City of San Marcos - Drainage Master Plan

APPENDIX D
Recommended Improvements - Sheet 186
Major River / Stream
Sub-Catchments
Existing Inventory
#* Channel Confluence
"/ Cleanout
$1 Curb Inlet
$1 Curb Outlet
!( Detention Basin
"/ Inlet
"/ Outlet
$+ Other
2! Separator
l? Outfalls
$ Culvert
$ Channel wider than 5 ft
$ Ditch less than 5 ft wide
$ Elliptical
$ Natural Channel
$ Storm Main
Channel / Ditch Transects
2-YR Flood Inundation
10-YR Flood Inundation
50-YR Flood Inundation
100-YR Flood Inundation
Surcharging Junctions
Recommended Storm Drain
New
Replace
FEMA NFHL Floodplain
100-YR Floodway
100-YR Floodplain
April, 2019
Map Legend
Source: City of San Marcos, Rick Engineering Company,
SANGIS/USGS Aerial Imagery: 11/2014
0 200 400
Scale in Feet [
North
SEE SHEET 174
SEE SHEET 197
SEE SHEET 185SEE SHEET 187

BBEEAARR

RROOCCKK

GGLLEENN

ROCK VIEW GLEN ROCK VIEW GLEN

SSUUMMMMIITT CCIIRRCCLLEE GGLLEENN

SSTTAARRLLIIGGHHTT GGLLEENN

MMOORRNNIINNGGMMIISSTT GGLLEENN

HORIZON VIEW GLEN

CCAANNYYOONN VVIIEEWWGGLLEENN

HHIGIGHHLLAANNDDVVIEIEWWGGLLEENN

CCOOUUNNTTRRYY VVIIEEWWGGLLEENN

MMOOOONNLLIIGGHHTT GGLLEENN

VVIIEEWWCCRREESSTT GGLLEENN MMIICCHHAAEELL GGLLEENN

ROCK GLEN

RROOCCKK GGLLEENN
1290' 1290' 1280' 1280'
1270' 1270'
1260' 1260'
1250' 1250'
1240' 1240'
1230' 1230'
1220' 1220'
1210' 1210'
1200' 1200'
1190' 1190'
1300' 1300' 1290' 1290'
1280' 1280'
1280' 1280' 1270' 1270' 1260' 1260'
1300' 1300'
1290' 1290'
1300' 1300'
1270' 1270'
1250' 1250'
1310' 1310'
1300'
1290' 1290' 1280' 1280'
1270' 1270'
1300' 1300'
1290' 1290'

ESCONDIDO ESCONDIDO
W:\17729_SanMarcosDMP\GIS\DeliverableMaps\SMDMP_D_RecFac_Maps_11x17.mxd City of San Marcos - Drainage Master Plan

APPENDIX D
Recommended Improvements - Sheet 187
Major River / Stream
Sub-Catchments
Existing Inventory #* Channel Confluence "/ Cleanout $1 Curb Inlet $1 Curb Outlet !( Detention Basin "/ Inlet "/ Outlet $+ Other 2! Separator l? Outfalls $ Culvert $ Channel wider than 5 ft $ Ditch less than 5 ft wide $ Elliptical $ Natural Channel $ Storm Main Channel / Ditch Transects
2-YR Flood Inundation
10-YR Flood Inundation
50-YR Flood Inundation
100-YR Flood Inundation
Surcharging Junctions
Recommended Storm Drain
New
Replace
FEMA NFHL Floodplain
100-YR Floodway
100-YR Floodplain
April, 2019
Map Legend
Source: City of San Marcos, Rick Engineering Company,
SANGIS/USGS Aerial Imagery: 11/2014
0 200 400
Scale in Feet
[
North
SEE SHEET 175
SEE SHEET 198
SEE SHEET 186SEE SHEET 188

BBAALLTTUUSSRROOLL GGLLEENN

CCOONNGGRREESSSSIIOONNAALL GGLLEENN

SSAAWWGGRRAASSSS GGLLEENN

HHIILLTTOONN HHEEAADD GGLLEENN

TORREY GLEN TORREY GLEN

MMEEDDIINNAA GGLLEENN
1370' 1370'
1360'
1350'
1340' 1340'
1330' 1330'
1320' 1320'
1310' 1310'
1300' 1300'
1290'
1290'
1280' 1280'
1270' 1270'
1260'
1260'
1250'
1240'
1230' 1230'
1220'
1220'
1210'
1210'
1200'
1200'
1190' 1190'
1180' 1180'
1170'
1170'
1150' 1150'
1140'
1130' 1130'
1120' 1120'
1110' 1110'
1100' 1100'
1090' 1090'
1080' 1080'
1070'
1060'
1050'
1040'
1030' 1030'
1020'
1020'
1010' 1010'
1000'
990' 990'
980'
980'
970'
970'
960'
960'
950'
950'
940'
940'
930'
920'
920'
910'
910'
950' 950'
940' 940'
930'
930'
920' 920'
910' 910'
900' 900'
1100' 1100'
1090' 1090'
1080' 1080'
1070'
1070'
1020'
1020'
1010' 1010'
1330'
1330'
1320'
1320'
870' 870'
860'
860'
840'
840'
830'
830'
810' 810'
820'
1380' 1380'
1160' 1160'
900' 900'
890'
880' 880'
860' 860'
850' 850'
890' 890'
1110' 1110'
1320' 1320'
1030' 1030'
1370' 1370'
900'
900'
870' 870'
860' 860'

ESCONDIDO ESCONDIDO
W:\17729_SanMarcosDMP\GIS\DeliverableMaps\SMDMP_D_RecFac_Maps_11x17.mxd City of San Marcos - Drainage Master Plan

APPENDIX D
Recommended Improvements - Sheet 188
Major River / Stream
Sub-Catchments
Existing Inventory
#* Channel Confluence
"/ Cleanout
$1 Curb Inlet
$1 Curb Outlet
!( Detention Basin
"/ Inlet
"/ Outlet
$+ Other
2! Separator
l? Outfalls
$ Culvert
$ Channel wider than 5 ft
$ Ditch less than 5 ft wide
$ Elliptical
$ Natural Channel
$ Storm Main
Channel / Ditch Transects
2-YR Flood Inundation
10-YR Flood Inundation
50-YR Flood Inundation
100-YR Flood Inundation
Surcharging Junctions
Recommended Storm Drain
New
Replace
FEMA NFHL Floodplain
100-YR Floodway
100-YR Floodplain
April, 2019
Map Legend
Source: City of San Marcos, Rick Engineering Company,
SANGIS/USGS Aerial Imagery: 11/2014
0 200 400
Scale in Feet [
North
SEE SHEET 176
SEE SHEET 199
SEE SHEET 187SEE SHEET 189

PPRRIIVVAATTEERRDD
PPRRI

IVVAATTEERRDD
§¨¦15
1350'
1350'
1340'
1330'
1320'
1310'
1300'
1290'
1280' 1280'
1260' 1260'
1250'
1250'
1240'
1240'
1230'
1220'
1220'
1200'
1200'
1190'
1190'
1180'
1180'
1170' 1170'
1160' 1160'
1150' 1150'
1140' 1140'
1130' 1130'
1110' 1110'
1090'
1090'
1080'
1080'
1070' 1070'
1060' 1060'
1270'
1270'
1210' 1210'
1120' 1120'
1100' 1100'
1050' 1050'
1040' 1040'
1030'
1030'
1020'
1020'
1010' 1010'
1000' 1000'
990' 990'
970' 970'
960'
960'
950' 950'
920'
920'
910'
910'
900' 900'
880' 880'
1260'
1260'
1250'
1240'
1240'
1230'
1230'
1220' 1220'
1210'
1210'
1200' 1200'
1180' 1180'
1170' 1170'
1160' 1160'
1150' 1150'
1130' 1130'
1120' 1120'1110' 1110'
1100' 1100'1090' 1090'
1080'
1080'
1070'
1070'
1060' 1060'
1050' 1050'
1040'
1040'
1030' 1030'
1020' 1020'
1010' 1010'
1320'
1310'
1300'
1290'
1280'
1270'
980' 980'
970' 970'
960' 960'
950'
950'
1270' 1270'
1260' 1260'
1250' 1250'
1240' 1240'
1230'
1230'
1210'
1200'
1180'
1170' 1170'
1220'
1220'
1190' 1190'
1200' 1200'
1180' 1180'
1190' 1190'
1150' 1150'
1160' 1160'
1170' 1170'
1110' 1110'
1120'
1120'
1130' 1130'
1160' 1160'
1150' 1150'
1140' 1140'
1130' 1130'
1120' 1120'
1100' 1100'
1090' 1090'
1260' 1260'
1250'
1240'
1240'
1230' 1230'
1220' 1220'
1310'
1310'
1300'
1300'
1290' 1290'
1280' 1280'
1270' 1270'
1070' 1070'
1060' 1060'
1050' 1050'
1040' 1040'
1030' 1030'
1340'
1340'
1330'
1330'
1320'
1310'
1370' 1370'
1360' 1360'
1350' 1350'
1170' 1170'
1160' 1160'
1150' 1150'
1140' 1140'
1130'
1130'
1120'
1120'
1060'
1060'
1050'
1040'
1040'
1020'
1020'
1010' 1010'
1000'
1000'
1370'
1370'
1360'
1360'
1210' 1210'
1200' 1200'
1070'
1070'
1060'
1060'
1070'
1070'
1060'
1060'
1040' 1040'
1030' 1030'
980'
980'
940' 940'
930'
930'
890'
890'
1190'
1140'
1000'
1000'
990' 990'
1160'
1160'
1140' 1140'
1170'
1170'
1110' 1110'
1380' 1380'
1320'
1360'
1350'
1350' 1320'
1320'
1230' 1230'
1210'
1200' 1200'
1090'
1090'
1080'
1080'
1070'
1070'
1070' 1070'
1050' 1050'
1050'
1050'
1020' 1020'
940' 940'
S.D. COUNTY S.D. COUNTY

ESCONDIDO ESCONDIDO
W:\17729_SanMarcosDMP\GIS\DeliverableMaps\SMDMP_D_RecFac_Maps_11x17.mxd City of San Marcos - Drainage Master Plan

APPENDIX D
Recommended Improvements - Sheet 189
Major River / Stream
Sub-Catchments
Existing Inventory
#* Channel Confluence
"/ Cleanout
$1 Curb Inlet
$1 Curb Outlet
!( Detention Basin
"/ Inlet
"/ Outlet
$+ Other
2! Separator
l? Outfalls
$ Culvert
$ Channel wider than 5 ft
$ Ditch less than 5 ft wide
$ Elliptical
$ Natural Channel
$ Storm Main
Channel / Ditch Transects
2-YR Flood Inundation
10-YR Flood Inundation
50-YR Flood Inundation
100-YR Flood Inundation
Surcharging Junctions
Recommended Storm Drain
New
Replace
FEMA NFHL Floodplain
100-YR Floodway
100-YR Floodplain
April, 2019
Map Legend
Source: City of San Marcos, Rick Engineering Company,
SANGIS/USGS Aerial Imagery: 11/2014
0 200 400
Scale in Feet [
North
SEE SHEET 177
SEE SHEET 200
SEE SHEET 188SEE SHEET 190

NNNNUUTTMMEEGG SSTT

PPRRIIVVAATTEE RRDD

PPRRIIVVAATTEE RRDD

PRIVATE RD

IVY DELL LN IVY DELL LN

NN CCEENN TT

RREE CCIITTYY PPYY

PPRRIIVVAATTEE RRDD

OOAAKKWWII

NNDD LLNN

JJEESSMMOONNDD DDEENNEE RRDD

PRIVATE RD PRIVATE RD

CCOOYYOOTTEE HHIILLLL GGLLEENN

CCHHEEYYNNEE RRDD
§¨¦15
1090' 1090'
1080' 1080'
1070' 1070'
1060' 1060'
1050'
1050'
1040'
1040'
1030' 1030'
1020' 1020'
1010' 1010'
1000' 1000'
990' 990'
980' 980'
970' 970'
960' 960'
950' 950'
930'
920'
940'
940'
910' 910'
1050'
1050'
1040' 1040'
1030' 1030'
1020' 1020'
1010' 1010'
1000'
1000'
990'
990'
980' 980'
970'
970'
960'
960'
850' 850'
840' 840'
830'
830'
910' 910'
900' 900'
890'
890'
880' 880'
1070'
1070'
1060'
1060'
910'
910'
900'
900'
890'
890'
890' 890'
880'
880'
1100' 1100'
1110' 1110'
950'
950'
870' 870'
860'
860'
910'
910'
910'
880' 880'
870'
870' 870'
S.D. COUNTY S.D. COUNTY

ESCONDIDO ESCONDIDO
W:\17729_SanMarcosDMP\GIS\DeliverableMaps\SMDMP_D_RecFac_Maps_11x17.mxd City of San Marcos - Drainage Master Plan

APPENDIX D
Recommended Improvements - Sheet 190
Major River / Stream
Sub-Catchments
Existing Inventory
#* Channel Confluence
"/ Cleanout
$1 Curb Inlet
$1 Curb Outlet
!( Detention Basin
"/ Inlet
"/ Outlet
$+ Other
2! Separator
l? Outfalls
$ Culvert
$ Channel wider than 5 ft
$ Ditch less than 5 ft wide
$ Elliptical
$ Natural Channel
$ Storm Main
Channel / Ditch Transects
2-YR Flood Inundation
10-YR Flood Inundation
50-YR Flood Inundation
100-YR Flood Inundation
Surcharging Junctions
Recommended Storm Drain
New
Replace
FEMA NFHL Floodplain
100-YR Floodway
100-YR Floodplain
April, 2019
Map Legend
Source: City of San Marcos, Rick Engineering Company,
SANGIS/USGS Aerial Imagery: 11/2014
0 200 400
Scale in Feet [
North
SEE SHEET 178
SEE SHEET 189

EENNTTRRAADDAA
AAVV

BBEELLLLAA VV SISI TTAA DDRR

CCOOMMPPAANNEE RROO
AAVV

EESSPPLLEENNDDIIDDOOAAVV

HOLLY LN
870'
860'
860'
850' 850'
840'
840'
830' 830'
820'
820'
810'
810'
800' 800'
790'
790'
780'
780'
770' 770'
760' 760'
750' 750'
740' 740'
730' 730'
720' 720'
710'
710'
700' 700'
690'
690'
680'
680'
670' 670'
660' 660'
650'
650'
640' 640'
630' 630'
730' 730'
720'
710'
710'
700'
700'
690'
690'
680'
680'
670'
660'
660'
650' 650'
640' 640'
630' 630'
620' 620'
610' 610'
600'
600'
590' 590'
810'
810'
800' 800'
790' 790'
780' 780'
760' 760'
760'
760'
750' 750'
740'
740'
730' 730'
720'
720'
710'
710'
700'
700'
690' 690'
680'
680'
670'
670'
660' 660'
780'
780'
770' 770'
750' 750'
740' 740'
730'
730'
720' 720'
710'
710'
700'
700'
690' 690'
720' 720'
710'
710'
700'
700'
690'
690'
680'
680'
670' 670'
660'
660'
650'
650'
640' 640'
630' 630'
740' 740'
730' 730'
720' 720'
710' 710'
700' 700'
690'
690'
680' 680'
670'
670'
700'
700'
690' 690'
680' 680'
670'
670'
660'
660'
740' 740'
730' 730'
720' 720'
710' 710'
700' 700'
690'
700'
700'
710'
710'
680'
680'
690'
660'
660'
670'
670'
690' 690'
680'
680'
670' 670'
660' 660'
710'
710'
700' 700'
690' 690'
680' 680'
670' 670'
660'
660'
650'
650'
780'
780'
770'
770'
760'
760'
750'
750'
740'
740'
730'
730'
710' 710'
680' 680'
670' 670'
660'
660'
650'
650'
640'
630'
620'
620'
830'
820'
810'
810'
830' 830'
820'
820'
810' 810'
810'
810'
800'
800'
790' 790'
790'
790'
780'
780'
760'
750'
740'
740'
740'
740'
730' 730'
720'
720'
580' 580'
570' 570'
700' 700'
690' 690'
690'
680'
690'
690'
680'
680'
650' 650'
640'
640'
880'
880'
760' 760'
660' 660'
710' 710'
610'
770'
770'
720' 720'
630' 630'
820' 820'
790'
790'
740' 740'
710' 710'
690' 690'
690'
630'
630'

SAN MARCOS SAN MARCOS
S.D. COUNTY S.D. COUNTY
W:\17729_SanMarcosDMP\GIS\DeliverableMaps\SMDMP_D_RecFac_Maps_11x17.mxd City of San Marcos - Drainage Master Plan

APPENDIX D
Recommended Improvements - Sheet 191
Major River / Stream
Sub-Catchments
Existing Inventory
#* Channel Confluence
"/ Cleanout
$1 Curb Inlet
$1 Curb Outlet
!( Detention Basin
"/ Inlet
"/ Outlet
$+ Other
2! Separator
l? Outfalls
$ Culvert
$ Channel wider than 5 ft
$ Ditch less than 5 ft wide
$ Elliptical
$ Natural Channel
$ Storm Main
Channel / Ditch Transects
2-YR Flood Inundation
10-YR Flood Inundation
50-YR Flood Inundation
100-YR Flood Inundation
Surcharging Junctions
Recommended Storm Drain
New
Replace
FEMA NFHL Floodplain
100-YR Floodway
100-YR Floodplain
April, 2019
Map Legend
Source: City of San Marcos, Rick Engineering Company,
SANGIS/USGS Aerial Imagery: 11/2014
0 200 400
Scale in Feet [
North
SEE SHEET 180
SEE SHEET 201
SEE SHEET 192
J ST

B ST B ST

ROBINHOOD LN ROBINHOOD LN

PRIVATE RD PRIVATE RD
Agua Hedionda
Creek
880' 880'
870' 870'
860' 860'
850' 850'
840'
840'
830' 830'
820' 820'
810' 810'
800' 800'
790' 790'
780'
780'
770' 770'
760' 760'
750' 750'
740' 740'
730' 730'
720'
720'
710'
710'
700' 700'
690'
690'
840' 840'
820' 820'
830' 830'
770'
780'
780'
790'
790'
800' 800'
810'
810'
750'
750'
760'
760'
770'
710'
720'
730'
730'
740' 740'
700'
710'
700'
690'
660'
670' 670'
650'
650'
660'
820' 820'
810'
810'
800'
800'
790' 790'
780'
780'
770'
770'
760' 760'
740' 740'
730'
730'
720'
720'
710' 710'
700' 700'
690' 690'
680'
680'
660' 660'
790'
790'
780' 780'
770'
770'
760' 760'
750' 750'
740'
740'
730'
730'
720'
720'
710'
710'
700' 700'
690'
690'
680' 680'
670'
670'
660' 660'
650' 650'
780'
780'
760'
760'
770'
770'
750'
750'
730'
730'
740'
740'
720' 720'
700'
700'
710'
710'
690'
690'
770' 770'
760'
760'
750'
750'
740'
740'
730' 730'
780'
770'
770'
760'
760'
750' 750'
740' 740'
750'
750'
740' 740'
730' 730'
720'
720'
760' 760'
710'
710'
680'
690' 690'
700'
700'
710' 710'
720'
720'
680'
650'
670'
670'
680' 680'
650'
860' 860'
850' 850'
840' 840'
770'
750' 750'
740' 740'
740' 740'
730' 730'
720' 720'
710' 710'
820' 820'
810'
800'
790' 790'
780'
780'
770'
770'
790' 790'
780'
780'
770' 770'
760' 760'
660' 660'
650' 650'
660'
660'
650'
650'
680'
680'
670'
670'
680' 680'
670'
670'
660' 660'
650' 650'
830'
750' 750'
670' 670'
790' 790'
640'
640'
790'
790'
640'
640'
860'
860'
820' 820'
820' 820'
740'
740'
730'
730'
700'
700'
690'
690'
680'
670' 670'
730'
730'

SAN MARCOS SAN MARCOS
S.D. COUNTY S.D. COUNTY
W:\17729_SanMarcosDMP\GIS\DeliverableMaps\SMDMP_D_RecFac_Maps_11x17.mxd City of San Marcos - Drainage Master Plan

APPENDIX D
Recommended Improvements - Sheet 192
Major River / Stream
Sub-Catchments
Existing Inventory
#* Channel Confluence
"/ Cleanout
$1 Curb Inlet
$1 Curb Outlet
!( Detention Basin
"/ Inlet
"/ Outlet
$+ Other
2! Separator
l? Outfalls
$ Culvert
$ Channel wider than 5 ft
$ Ditch less than 5 ft wide
$ Elliptical
$ Natural Channel
$ Storm Main
Channel / Ditch Transects
2-YR Flood Inundation
10-YR Flood Inundation
50-YR Flood Inundation
100-YR Flood Inundation
Surcharging Junctions
Recommended Storm Drain
New
Replace
FEMA NFHL Floodplain
100-YR Floodway
100-YR Floodplain
April, 2019
Map Legend
Source: City of San Marcos, Rick Engineering Company,
SANGIS/USGS Aerial Imagery: 11/2014
0 200 400
Scale in Feet [
North
SEE SHEET 181
SEE SHEET 202
SEE SHEET 191SEE SHEET 193

ROBINHOOD RD ROBINHOOD RD

PPRRIIVVAATTEE RRDD
1230'
1230'
1210'
1210'
1200'
1200'
1190'
1190'
1180'
1180'
1170'
1170'
1160' 1160'
1150' 1150'
1140' 1140'
1130' 1130'
1120'
1120'
1110' 1110'
1100'
1100'
1080'
1080'
1070' 1070'
1060' 1060'
1050' 1050'
1040' 1040'
1030'
1030'
1020'
1020'
1000'
1010' 1010'
1000'
990' 990'
980'
980'
970'
970'
960'
960'
950' 950'
940'
940'
930'
930'
920' 920'
910'
910'
900' 900'
890' 890'
880' 880'
870'
870'
860'
860'
850'
850'
840'
840'
830'
830'
820'
820'
810' 810'
800'
800'
790' 790'
780' 780'
770' 770'
760'
760'
850'
850'
860'
860'
870' 870'
880'
880'
890'
890'
900' 900'
910' 910'
920' 920'
930'
930'
940' 940'
950' 950'
960' 960'
970' 970'
980' 980'
990' 990'
1000' 1000'
1010' 1010'
1020' 1020'
1030' 1030'
1040' 1040'
1050' 1050'
1070' 1070'
1080'
1080'
990'
990'
980'
980'
970' 970'
960'
960'
950' 950'
940'
940'
930'
930'
920' 920'
910' 910'
900' 900'
890'
890'
880'
880'
870' 870'
860'
860'
850' 850'
840' 840'
830' 830'
1040'
1040'
1030'
1030'
1020'
1020'
1010'
1010'
1000'
1000'
1180'
1170'
1160'
1150'
1140'
1130'
1120'
1110'
1100'
1210' 1210'
1200' 1200'
870'
870'
860' 860'
850' 850'
840'
840'
830'
830'
820' 820'
810' 810'
800' 800'
790' 790'
780' 780'
1250' 1250'
1240'
1240'
1230'
1230'
1220' 1220'
1210' 1210'
1200' 1200'
1190' 1190'
1180' 1180'
1240'
1240'
1230' 1230'
1220'
1210' 1210'
1200' 1200'
1190'
1190'
820' 820'
830'
830'
840'
840'
810' 810'
790'
800' 800'
790'
1080'
1080'
1070' 1070'
1060'
1060'
1220' 1220'
1230' 1230'
1240' 1240'
1250'
1250'
1090'
1090'
1080' 1080'
1070' 1070'
1060' 1060'
870' 870'
860'
850' 850'
850' 850'
840' 840'
830' 830'
820'
820'
840'
830'
820'
810'
870' 870'
860'
860'
800'
800'
790' 790'
730'
730'
720'
720'
710'
710'
1180'
1180'
1170' 1170'
1160' 1160'
1150'
1150'
1140'
870' 870'
860' 860'
860'
860'
850'
850'
850' 850'
840'
840'
850'
840' 840'
740' 740'
730'
730'
1250'
1250'
1240'
1240'
1220'
1220'
750'
750'
740'
1090'
820'
1050'
1050'
1090'
1090'
700' 700'
1090' 1090'
1060' 1060'
1060'
850' 850'
850' 850'
850' 850'
1250'
1150' 1150'
870' 870'
860'
850' 850'
830' 830'
720'

SAN MARCOS SAN MARCOS
S.D. COUNTY S.D. COUNTY
W:\17729_SanMarcosDMP\GIS\DeliverableMaps\SMDMP_D_RecFac_Maps_11x17.mxd City of San Marcos - Drainage Master Plan

APPENDIX D
Recommended Improvements - Sheet 193
Major River / Stream
Sub-Catchments
Existing Inventory
#* Channel Confluence
"/ Cleanout
$1 Curb Inlet
$1 Curb Outlet
!( Detention Basin
"/ Inlet
"/ Outlet
$+ Other
2! Separator
l? Outfalls
$ Culvert
$ Channel wider than 5 ft
$ Ditch less than 5 ft wide
$ Elliptical
$ Natural Channel
$ Storm Main
Channel / Ditch Transects
2-YR Flood Inundation
10-YR Flood Inundation
50-YR Flood Inundation
100-YR Flood Inundation
Surcharging Junctions
Recommended Storm Drain
New
Replace
FEMA NFHL Floodplain
100-YR Floodway
100-YR Floodplain
April, 2019
Map Legend
Source: City of San Marcos, Rick Engineering Company,
SANGIS/USGS Aerial Imagery: 11/2014
0 200 400
Scale in Feet [
North
SEE SHEET 182
SEE SHEET 203
SEE SHEET 192SEE SHEET 194

VVIIAA LLAASS

BBRRIISSAASS

LA VUELTA

RROOBBIINNHHOOOODD
RRDD

WW LLAA CCIIEENNEEGGAA RRDD
1200' 1200'
1190' 1190'
1180' 1180'
1170' 1170'
1160' 1160'
1150' 1150'
1140' 1140'
1130'
1130'
1120'
1120'
1110' 1110' 1100'
1100'
1090' 1090'
1080' 1080'
1070' 1070'
1060' 1060'
1050' 1050'
1040'
1040'
1030' 1030'
1020' 1020'
1010' 1010'
1000' 1000'
990' 990'
970' 970'
960'
960'
950'
950'
940'
940'
920'
920'
910'
910'
900'
900'
890'
890'
880'
870' 870'
860'
860'
850'
850'
840'
830' 830'
820' 820'
810' 810'
790' 790'
780' 780'
770'
760'
750'
740' 740'
730' 730'
1090' 1090'
1080'
1080'
1070'
1070'
1060' 1060'
1050'
1050'
1040' 1040'
1030' 1030'
1020' 1020'
1010' 1010'
1000' 1000'
990'
990'
980'
980'
970'
970'
960'
960'
950'
950'
940' 940'
930' 930'
920' 920'910'
910'
900'
900'
890' 890'880'
880'
870'
870'
860' 860'
850' 850'
840' 840'
830' 830'
820' 820'
810'
810'
800' 800'
1210' 1210'
1200' 1200'
1190' 1190'
1180' 1180'
1170' 1170'
1160' 1160'
1150' 1150'
1140' 1140'
1130' 1130'
1120' 1120'
1110' 1110'
1100' 1100'
1090' 1090'
1080' 1080'
1070' 1070'
1060' 1060'
1050' 1050'
1040' 1040'
1030' 1030'
1020'
1020'
820'
820'
810' 810'
800' 800'
790' 790'
780' 780'
770' 770'
760' 760'
750' 750'
740' 740'
730' 730'
720'
720'
780' 780'
770'
770'
760' 760'
750' 750'
740' 740'
700'
700'
730'
730'
720'
710'
690'
690'
740'
730'
720'
720'
710'
710'
700'
700'
680' 680'
850'
840'
830'
820'
870'
860'
880'
880'
870' 870'
860' 860'
850'
850'
840' 840'830'
830'
850'
850'
840' 840'
830' 830'
820' 820'
780' 780'
770'
770'
760' 760'
750'
750'
1080' 1080'
1070' 1070'
1060'
1060'
1050'
1050'
1080' 1080'
1070' 1070'
1060'
1060'
1030'
1030'
1050' 1050'
1020'
1020'
1010'
1010'
1000'
1000'
900' 900'
890'
890'
880' 880'
870'
870'
770' 770'
760'
750'
740' 740'
890' 890'
880'
880'
870'
870'
860' 860'
740'
740'
730'
730'
720'
720'
1100' 1100'
1090' 1090'
730' 730'
720' 720'
1120'
1120'
1110'
1110'
710'
710'
700' 700'
980' 980'
930' 930'
800' 800'
710' 710'
700'
700'
890' 890'
1140'
1140'
1040'
1040'
1030' 1030'
780'
780'
770'
700' 700'
1210' 1210'
1010'
1010'
900' 900'
830' 830'
790' 790'
780' 780'
770'
770'
740'
740'
710' 710'
680' 680'

SAN MARCOS SAN MARCOS
S.D. COUNTY S.D. COUNTY
W:\17729_SanMarcosDMP\GIS\DeliverableMaps\SMDMP_D_RecFac_Maps_11x17.mxd City of San Marcos - Drainage Master Plan

APPENDIX D
Recommended Improvements - Sheet 194
Major River / Stream
Sub-Catchments
Existing Inventory
#* Channel Confluence
"/ Cleanout
$1 Curb Inlet
$1 Curb Outlet
!( Detention Basin
"/ Inlet
"/ Outlet
$+ Other
2! Separator
l? Outfalls
$ Culvert
$ Channel wider than 5 ft
$ Ditch less than 5 ft wide
$ Elliptical
$ Natural Channel
$ Storm Main
Channel / Ditch Transects
2-YR Flood Inundation
10-YR Flood Inundation
50-YR Flood Inundation
100-YR Flood Inundation
Surcharging Junctions
Recommended Storm Drain
New
Replace
FEMA NFHL Floodplain
100-YR Floodway
100-YR Floodplain
April, 2019
Map Legend
Source: City of San Marcos, Rick Engineering Company,
SANGIS/USGS Aerial Imagery: 11/2014
0 200 400
Scale in Feet [
North
SEE SHEET 183
SEE SHEET 204
SEE SHEET 193SEE SHEET 195

EE LLAA CCIIEENNEEGGAA RRDD

VV IICC TTOO RR II AA
WW YY

N TWIN OAKS VALLEY RD N TWIN OAKS VALLEY RD

CCAAMMDDEENN PPLL

ELENA DR ELENA DR

TTUURRNNBBEERRRRYY DDRR

PPRREESSTTWWICICKKCCTT

MMUUIIRRFFIIEELLDD WWYY

N TWIN OAKS VALLEY RD N TWIN OAKS VALLEY RD

WW LLAA CCIIEENNEEGGAA RRDD

VICTORIA WY VICTORIA WY

MEDINAH RD

BBAAYY HHILILLL DDRR

VVIIAA LLAASS BBRRIISSAASS

SYCAMORE DR SYCAMORE DR
CBIN10778
CLEN10593
CLEN10594
INLT10277
CBIN10821
CBIN10822
CBIN10823
CBIN10824
CBIN10825
CBIN10876
INLT10314
INLT10315
CBIN10877
INLT10316 OTHR10206
OTHR10208
INLT10552
CLEN10936
CBIN11297
CBIN11298
CBIN11299
CBIN11451
CBIN11452
CBIN11453
CBIN11454
CLEN11049
OTLT10259
INLT10904
OTHR10641
INLT11248
OTHR11189
CBIN12207
CBIN12384
OTHR10399
OTHR10400
OTLT10055
PIPE10662
PIPE10398
PIPE10673
PIPE10448
CULV10020
FLOW10003
PIPE10232
PIPE10227
PIPE10506
PIPE10446
PIPE10228
PIPE10125
PIPE10661
PIPE10229
CULV10001
PIPE10117
PIPE10459
PIPE10570
PIPE10672
PIPE10231
PIPE10226
PIPE10449
PIPE10670
PIPE10225
PIPE10122
PIPE10671
CULV10044
PIPE10451
750'
750'
740'
740'
730' 730'
720' 720'
710' 710'
700' 700'
690' 690'
720'
720'
710'
710'
700'
700'
700' 700'
690'
690'
680'
680'
670' 670'
710' 710'
700'
750' 750'
740'
740'
710'
710'
700'
700'
690'
690'
690' 690'
680'
680'
680'
680'
670'
670'
670'
670'
660' 660'
650' 650'
670'
670'
660' 660'
680' 680'
670' 670'
680' 680'
690' 690'
710'
710'
670' 670'
660' 660'
660'
660'
700'
700'
690' 690'
690'
680' 680'
680' 680'
680'
680'
680'
680'
680' 680'
680'
680'
670'
670'
660' 660'
690'
690'
690'
690'
680'
680'
680' 680'
680'
680'
680' 680'
680' 680'
680'
680'
670'
670'
670'
670'
670' 670'
670' 670'
670'
670'
OTLT10297
OTLT10305
OTLT10315
OTLT10317

SAN MARCOS SAN MARCOS
S.D. COUNTY S.D. COUNTY
W:\17729_SanMarcosDMP\GIS\DeliverableMaps\SMDMP_D_RecFac_Maps_11x17.mxd City of San Marcos - Drainage Master Plan

APPENDIX D
Recommended Improvements - Sheet 195
Major River / Stream
Sub-Catchments
Existing Inventory
#* Channel Confluence
"/ Cleanout
$1 Curb Inlet
$1 Curb Outlet
!( Detention Basin
"/ Inlet
"/ Outlet
$+ Other
2! Separator
l? Outfalls
$ Culvert
$ Channel wider than 5 ft
$ Ditch less than 5 ft wide
$ Elliptical
$ Natural Channel
$ Storm Main
Channel / Ditch Transects
2-YR Flood Inundation
10-YR Flood Inundation
50-YR Flood Inundation
100-YR Flood Inundation
Surcharging Junctions
Recommended Storm Drain
New
Replace
FEMA NFHL Floodplain
100-YR Floodway
100-YR Floodplain
April, 2019
Map Legend
Source: City of San Marcos, Rick Engineering Company,
SANGIS/USGS Aerial Imagery: 11/2014
0 200 400
Scale in Feet [
North
SEE SHEET 184
SEE SHEET 205
SEE SHEET 194SEE SHEET 196

VICTORIA WY

MULBERRY DR

MULBERRY DR

MARILYN LN

MARILYN LN

PRIVATE RD

HEIDEN CT

RICHLAND RD
COX RD

CCAAMMDDEENN
PPLL

SSAAVVAANNNNAAHHWWYY

ROGERS CT ROGERS CT

PPAARRSSOONNSSLLNN

VICTORIA WY
CBIN10778
SEPR10025
OTLT10216 INLT10710
CBIN11501
CLEN11080
CBIN11525
CBIN11526
CLEN11081
CLEN11082
INLT10727
OTHR10769 INLT11135
INLT11166
OTLT10303
INLT11207 OTLT10314
OTHR11211
OTHR11212
INLT11602
INLT11603
INLT11604
INLT11605
PIPE10669
PIPE10476
PIPE10471
DTCH10076
DTCH10018
DTCH10044
DTCH10033
PIPE10465
CULV10023
DTCH10003
PIPE10475
DTCH10039
DTCH10065
DTCH10106
DTCH10105
DTCH10040
DTCH10084
DTCH10066
DTCH10081
DTCH10036
DTCH10078 DTCH10079
DTCH10077
DTCH10072
DTCH10002
DTCH10035
DTCH10073
DTCH10038
DTCH10070
DTCH10042
DTCH10020
DTCH10102
DTCH10037
DTCH10080
DTCH10069
DTCH10071
DTCH10019
DTCH10100
DTCH10103
DTCH10107
DTCH10041
DTCH10074
DTCH10043
DTCH10021
DTCH10104
DTCH10101
DTCH10034
DTCH10001
PIPE10485
PIPE10466
DTCH10063
PIPE10468
PIPE10411
PIPE10470
PIPE10484
PIPE10473
770'
770'
780'
780'
790' 790'
800' 800'
810' 810'
750' 750'
720' 720'
700' 700'
760'
760'
730'
730'
800'
800'
790' 790'
780'
780'
770'
770'
760'
760'
750' 750'
730' 730'
720' 720'
750'
750'
740'
740'
750'
750'
740' 740'
740'
730'
730'
710'
710'
700' 700'
700' 700'
690' 690'
700'
700'
690'
690'
740' 740'
740'
740'
730'
730'
760' 760'
740'
740'
750'
750'
720' 720'
720'
720'
700'
690'
690'
680' 680'
680'
690'
690'
S.D. COUNTY S.D. COUNTY

SAN MARCOS SAN MARCOS
W:\17729_SanMarcosDMP\GIS\DeliverableMaps\SMDMP_D_RecFac_Maps_11x17.mxd City of San Marcos - Drainage Master Plan

APPENDIX D
Recommended Improvements - Sheet 196
Major River / Stream
Sub-Catchments
Existing Inventory
#* Channel Confluence
"/ Cleanout
$1 Curb Inlet
$1 Curb Outlet
!( Detention Basin
"/ Inlet
"/ Outlet
$+ Other
2! Separator
l? Outfalls
$ Culvert
$ Channel wider than 5 ft
$ Ditch less than 5 ft wide
$ Elliptical
$ Natural Channel
$ Storm Main
Channel / Ditch Transects
2-YR Flood Inundation
10-YR Flood Inundation
50-YR Flood Inundation
100-YR Flood Inundation
Surcharging Junctions
Recommended Storm Drain
New
Replace
FEMA NFHL Floodplain
100-YR Floodway
100-YR Floodplain
April, 2019
Map Legend
Source: City of San Marcos, Rick Engineering Company,
SANGIS/USGS Aerial Imagery: 11/2014
0 200 400
Scale in Feet [
North
SEE SHEET 185
SEE SHEET 206
SEE SHEET 195SEE SHEET 197

PRIVATE RD PRIVATE RD

MARILYN LN

MARILYN LN

BIRCHWOOD DR BIRCHWOOD DR

ALDER DR ALDER DR

SEELY CT SEELY CT

FFLLYYNNNN HHEEIIGGHHTTSSDDRR

WOODLAND HEIGHTS GLE WOODLAND HEIGHTS GLE

LLOOWW CCHHAAPPAARRRRAALL DDRR

LOW CHAPARRAL PL LOW CHAPARRAL PL

COX RD COX RD

EEUUCCAALLYYPPTTUUSSWWOOOODDSS RRDD
1270'
1270'
1260'
1260'
1250' 1250'
1240' 1240'
1230'
1230'
1220' 1220'
1210'
1210'
1200'
1200'
1190'
1190'
1180' 1180'
1160' 1160'
1150'
1150'
1140'
1140'
1130' 1130'
1120' 1120'
1110'
1110'
1100' 1100'
1090' 1090'
1080'
1080'
1070' 1070'
1060'
1060'
1050'
1050'
1040' 1040'
1010' 1010'
1000' 1000'
990'
990'
980'
980'
970'
970'
960' 960'
950' 950'
940'
940'
930'
930'
920' 920'
910'
910'
900' 900'
890' 890'
880'
880'
870'
870'
850' 850'
840'
840'
830'
830'
820'
820'
810' 810'
800' 800'
790' 790'
780' 780'
770' 770'
760' 760'
750'
750'
740'
740'
1200' 1200'
1190' 1190'1180' 1180'
1150' 1150'
1140' 1140'
1100'
1110' 1110'
1120'
1120'
1070'
1080' 1080'
1100'
1050'
1060' 1060'
1070'
1030' 1030'
1040'
1040'
1050'
1000'
1000'
990'
990'
980'
980'
960'
960'
970'
970'
950' 950'
940' 940'
920'
920'
930' 930'
910' 910'
900'
900'
890' 890'
880' 880'
870'
870'
860' 860'
850' 850'
850' 850'
840'
840'
830' 830'
820' 820'
810'
810'
1270' 1270'
1260' 1260'
1250' 1250'
1230' 1230'
1220'
1220'
1210'
1210'
830' 830'
820'
820'
810'
810'
790' 790'
780' 780'
770' 770'
770'
770'
760'760'
750' 750'
770'
770'
760' 760'
800'
800'
790' 790'
760'
760'
750'
750'
1290' 1290'
1280'
1280'
860'
850'
740'
740'
730' 730'
1170' 1170'
1030'
1030'
1020'
1020'
730' 730'
1020' 1020'
1240' 1240' 1240'
1240'
850' 850'
800' 800'
1010' 1010'
880' 880' 890'
890'
730' 730'
730'
730'
SAN MARCOS SAN MARCOS S.D. COUNTY S.D. COUNTY

ESCONDIDO ESCONDIDO
W:\17729_SanMarcosDMP\GIS\DeliverableMaps\SMDMP_D_RecFac_Maps_11x17.mxd City of San Marcos - Drainage Master Plan

APPENDIX D
Recommended Improvements - Sheet 197
Major River / Stream
Sub-Catchments
Existing Inventory
#* Channel Confluence
"/ Cleanout
$1 Curb Inlet
$1 Curb Outlet
!( Detention Basin
"/ Inlet
"/ Outlet
$+ Other
2! Separator
l? Outfalls
$ Culvert
$ Channel wider than 5 ft
$ Ditch less than 5 ft wide
$ Elliptical
$ Natural Channel
$ Storm Main
Channel / Ditch Transects
2-YR Flood Inundation
10-YR Flood Inundation
50-YR Flood Inundation
100-YR Flood Inundation
Surcharging Junctions
Recommended Storm Drain
New
Replace
FEMA NFHL Floodplain
100-YR Floodway
100-YR Floodplain
April, 2019
Map Legend
Source: City of San Marcos, Rick Engineering Company,
SANGIS/USGS Aerial Imagery: 11/2014
0 200 400
Scale in Feet [
North
SEE SHEET 186
SEE SHEET 207
SEE SHEET 196SEE SHEET 198

BEAR ROCK GLEN BEAR ROCK GLEN

CREST VIEW GLEN

WWOOOODDLLAANNDD HHEEIIGGHHTTSSGGLLEE

CCRRYYSSTTAALL RRIIDD GGEE GGLLEENN

ROCK CREST GLEN ROCK CREST GLEN

FFLLYYNNNN HHEEIIGGHHTTSS
DDRR
1280' 1280' 1270' 1270' 1260' 1260' 1250' 1250' 1240' 1240' 1230' 1230' 1220' 1220' 1210' 1210' 1200'
1200'
1190' 1190' 1180' 1180' 1170' 1170' 1160' 1160' 1150' 1150' 1140' 1140' 1130' 1130' 1120' 1120' 1110' 1110' 1100' 1100' 1090' 1090' 1080' 1080' 1070' 1070' 1060' 1060' 1050' 1050' 1040' 1040' 1030' 1030' 1020' 1020' 1000' 1000' 990' 990' 1010' 1010'
980' 980' 970' 970'
960' 960'
950' 950'
940' 940'
930' 930'
910' 910'
900' 900'
890' 890'
880' 880'
870' 870'
990' 990'
980' 980'
970'
960' 960'
1310' 1310' 1300' 1300' 1290' 1290'
1290' 1290'
1300' 1300'
1290' 1290' 1280' 1280' 920' 920'
1320' 1320'
1300' 1300'
S.D. COUNTY S.D. COUNTY

ESCONDIDO ESCONDIDO
W:\17729_SanMarcosDMP\GIS\DeliverableMaps\SMDMP_D_RecFac_Maps_11x17.mxd City of San Marcos - Drainage Master Plan

APPENDIX D
Recommended Improvements - Sheet 198
Major River / Stream
Sub-Catchments
Existing Inventory #* Channel Confluence "/ Cleanout $1 Curb Inlet $1 Curb Outlet !( Detention Basin "/ Inlet "/ Outlet $+ Other 2! Separator l? Outfalls $ Culvert $ Channel wider than 5 ft $ Ditch less than 5 ft wide $ Elliptical $ Natural Channel $ Storm Main Channel / Ditch Transects
2-YR Flood Inundation
10-YR Flood Inundation
50-YR Flood Inundation
100-YR Flood Inundation
Surcharging Junctions
Recommended Storm Drain
New
Replace
FEMA NFHL Floodplain
100-YR Floodway
100-YR Floodplain
April, 2019
Map Legend
Source: City of San Marcos, Rick Engineering Company,
SANGIS/USGS Aerial Imagery: 11/2014
0 200 400
Scale in Feet
[
North
SEE SHEET 187
SEE SHEET 208
SEE SHEET 197SEE SHEET 199

HHAAMMPPTTOONN GGLLEENN

KENSINGTON GLEN
1270'
1270'
1280'
1280'
1250'
1250'
1240'
1240'
1230'
1230'
1220'
1220'
1210'
1210'
1200'
1200'
1190'
1190'
1120' 1120'
1130'
1130'
1140'
1140'
1150' 1150'
1160' 1160'
1170'
1180'
1100' 1100'
1110' 1110'
1080' 1080'
1090' 1090'
1060'
1070' 1070'
1050'
1050'
1060'
1040' 1040'
1030'
1030'
1020'
1020'
1010' 1010'
1330'
1330'
1320' 1320'
1030' 1030'
1020' 1020'
1340' 1340'
1330' 1330'
1320' 1320'
1330' 1330'
1320'
1320'
1310' 1310'
1300' 1300'
1000' 1000'
990' 990'
1350'
1350' 1340'
1340'
1310' 1310'
1330' 1330'
1310'
1310'
1040'
1040'
980'
980'

ESCONDIDO ESCONDIDO
W:\17729_SanMarcosDMP\GIS\DeliverableMaps\SMDMP_D_RecFac_Maps_11x17.mxd City of San Marcos - Drainage Master Plan

APPENDIX D
Recommended Improvements - Sheet 199
Major River / Stream
Sub-Catchments
Existing Inventory
#* Channel Confluence
"/ Cleanout
$1 Curb Inlet
$1 Curb Outlet
!( Detention Basin
"/ Inlet
"/ Outlet
$+ Other
2! Separator
l? Outfalls
$ Culvert
$ Channel wider than 5 ft
$ Ditch less than 5 ft wide
$ Elliptical
$ Natural Channel
$ Storm Main
Channel / Ditch Transects
2-YR Flood Inundation
10-YR Flood Inundation
50-YR Flood Inundation
100-YR Flood Inundation
Surcharging Junctions
Recommended Storm Drain
New
Replace
FEMA NFHL Floodplain
100-YR Floodway
100-YR Floodplain
April, 2019
Map Legend
Source: City of San Marcos, Rick Engineering Company,
SANGIS/USGS Aerial Imagery: 11/2014
0 200 400
Scale in Feet [
North
SEE SHEET 188
SEE SHEET 209
SEE SHEET 198SEE SHEET 200

MMEESSAA RROOCCKK RRDD
NN

CCEENNTTRREE

CCII TTYY PPYY
UNNAMED 4D ST
UNNAMED 4D ST
§¨¦15
1320'
1320'
1310' 1310'
1300' 1300'
1290' 1290'
1280' 1280'
1270'
1260'
1250'
1240'
1230' 1230'
1220'
1210' 1210'
1200' 1200'
1190' 1190'
1180' 1180'
1170'
1170'
1160' 1160'
1150'
1140' 1140'
1120'
1110'
1110'
1100' 1100'
1090' 1090'
1060'
1060'
1050'
1050'
1040' 1040'
1010' 1010'
1000'
1000'
1340'
990' 990'
1340'
1330'
1330'
1320' 1320'
1310' 1310'
970' 970'
960' 960'950' 950'
1330' 1330'
1320' 1320'
1080' 1080'
1070' 1070'
980' 980'
1330' 1330'
1320'
1320'
1320' 1320'
S.D. COUNTY S.D. COUNTY
W:\17729_SanMarcosDMP\GIS\DeliverableMaps\SMDMP_D_RecFac_Maps_11x17.mxd City of San Marcos - Drainage Master Plan

APPENDIX D
Recommended Improvements - Sheet 200
Major River / Stream
Sub-Catchments
Existing Inventory
#* Channel Confluence
"/ Cleanout
$1 Curb Inlet
$1 Curb Outlet
!( Detention Basin
"/ Inlet
"/ Outlet
$+ Other
2! Separator
l? Outfalls
$ Culvert
$ Channel wider than 5 ft
$ Ditch less than 5 ft wide
$ Elliptical
$ Natural Channel
$ Storm Main
Channel / Ditch Transects
2-YR Flood Inundation
10-YR Flood Inundation
50-YR Flood Inundation
100-YR Flood Inundation
Surcharging Junctions
Recommended Storm Drain
New
Replace
FEMA NFHL Floodplain
100-YR Floodway
100-YR Floodplain
April, 2019
Map Legend
Source: City of San Marcos, Rick Engineering Company,
SANGIS/USGS Aerial Imagery: 11/2014
0 200 400
Scale in Feet [
North
SEE SHEET 189
SEE SHEET 199

GOLDEN YARRO RD GOLDEN YARRO RD

HHIGIGHHVVIEIEWW TTLL
990' 990'
980' 980'
960' 960'
950'
950'
940'
940'
930'
930'
920' 920'
910' 910'
900' 900'
880' 880'
870' 870'
860'
860'
840' 840'
830' 830'
820' 820'
810'
810'
800' 800'
790' 790'
780'
780'
770'
770'
760'
760'
750'
750'
740'
740'
730' 730'
720' 720'
700'
700'
690'
690'
680' 680'
670' 670'
660' 660'
650' 650'
640' 640'
630'
630'
800' 800'
790'
790'
760'
770' 770'
780' 780'
740' 740'
750' 750'
760'
710'
720' 720'
730'
730'
680'
690'
690'
700'
700'
710'
670' 670'
680'
660'
660'
650' 650'
640'
640'
930' 930'
920'
920'
910'
910'
900'
900'
890'
890'
880' 880'
870' 870'
850' 850'
840' 840'
830' 830'
820' 820'
810' 810'
800' 800'
780'
780'
770'
770'
760' 760'
750' 750'
720'
720'
710'
700'
690'
720'
710'
710'
700' 700'
690' 690'
680' 680'
670' 670'
660' 660'
650'
640' 640'
630' 630'
620' 620'
610'
610'
910' 910'
900' 900'
880' 880'
890' 890'
870' 870'
850' 850'
860'
860'
840' 840'
880' 880'
870' 870'
860' 860'
850' 850'
840' 840'
830' 830'
880'
870'
860' 860'
850'
850'
840' 840'
830' 830'
940' 940'
930'
930'
920' 920'
910'
910'
900'
900'
890'
890'
880'
880'
870' 870'
860' 860'
850' 850'
840' 840'
830' 830'
740' 740'
730'
730'
720'
720'
710'
710'
700'
700'
690'
690'
660' 660'
650'
650'
640' 640'
630' 630'
620' 620'
610' 610'
680'
670'
660' 660'
650'
650'
860'
860'
850'
850'
840' 840'
830'
830'
820' 820'
810' 810'
800' 800'
790' 790'
970'
970'
960'
960'
870'
870'
860' 860'
930' 930'
920' 920'
780'
780'
770'
630' 630'
620' 620'
600'
600'
590' 590'
1000' 1000'
970' 970'
890'
890'
850' 850'
710'
710'
790' 790'
820'
820'
800' 800'
980'
980'
950' 950'
650' 650'
620' 620' 620' 620'
620'
620'
S.D. COUNTY S.D. COUNTY
W:\17729_SanMarcosDMP\GIS\DeliverableMaps\SMDMP_D_RecFac_Maps_11x17.mxd City of San Marcos - Drainage Master Plan

APPENDIX D
Recommended Improvements - Sheet 201
Major River / Stream
Sub-Catchments
Existing Inventory
#* Channel Confluence
"/ Cleanout
$1 Curb Inlet
$1 Curb Outlet
!( Detention Basin
"/ Inlet
"/ Outlet
$+ Other
2! Separator
l? Outfalls
$ Culvert
$ Channel wider than 5 ft
$ Ditch less than 5 ft wide
$ Elliptical
$ Natural Channel
$ Storm Main
Channel / Ditch Transects
2-YR Flood Inundation
10-YR Flood Inundation
50-YR Flood Inundation
100-YR Flood Inundation
Surcharging Junctions
Recommended Storm Drain
New
Replace
FEMA NFHL Floodplain
100-YR Floodway
100-YR Floodplain
April, 2019
Map Legend
Source: City of San Marcos, Rick Engineering Company,
SANGIS/USGS Aerial Imagery: 11/2014
0 200 400
Scale in Feet [
North
SEE SHEET 191
SEE SHEET 202

PRIVATE RD

RROOBBININHHOOOODDLLNN

SSIIDDDDAALLLL DDRR

BLUE BIRD CANYON RD BLUE BIRD CANYON RD

J ST J ST

PPRRIVIVAATTEE
RRDD
1000' 1000'
990'
990'
980' 980'
970'
970'
960' 960'
950' 950'
940' 940'
930' 930'
920'
920'
910'
910'
890' 890'
880' 880'
870'
870'
860' 860'
850' 850'
840' 840'
830'
830'
820' 820'
810' 810'
800' 800'
790' 790'
780'
780'
770' 770'
760'
760'
750'
750'
740'
740'
730' 730'
720' 720'
1080'
1080'
1070' 1070'
1060' 1060'
1050' 1050'
1000' 1000'
990' 990'
980' 980'
970' 970'
960' 960'
950' 950'
940' 940'
930' 930'
920'
920'
1010'
1010'
910'
910'
1040' 1040'
1030'
1030'
1000' 1000'
990' 990'
980' 980'
970' 970'
960' 960'
950' 950'
940' 940'
930' 930'
920' 920'
910' 910'
900' 900'
890'
890'
900'
900'
890'
890'
880'
880'
870'
870'
860'
860'
850'
850'
840'
840'
830' 830'
820'
820'
870' 870'
860'
860'
850'
850'
840' 840'
830'
830'
820'
820'
810'
810'
800' 800'
780' 780'
770' 770'
760' 760'
750'
750'
740' 740'
730' 730'
710'
710'
820' 820'
810' 810'
800' 800'
790' 790'
780'
780'
770'
770'
790'
780' 780'
770'
770'
760'
760'
750'
750'
740' 740'
760' 760'
750'
750'
730' 730'
1120'
1110'
1110'
1100'
1100'
1090'
1090'
1040'
1030' 1030'
1020'
1020'
1010' 1010'
890' 890'
900'
900'
910'
910'
880' 880'
790' 790'
780'
780'
770'
770'
790' 790'
780' 780'
770' 770'
760' 760'
970' 970'
960'
960'
920'
920'
910' 910'
900'
900'
850'
840'
850'
850'
840'
840'
820'
820'
810' 810'
780' 780'
770' 770'
790'
790'
780'
780'
770' 770'
1140'
1140'
1130'
1130'
1060' 1060'
1050'
1050'
880' 880'
870'
870'
800' 800'
810'
810'
730' 730'
720' 720'
1020'
1020'
1010'
1010'
870' 870'
860' 860'
1040' 1040'
1030' 1030'
900' 900'
880'
720'
720'
800'
880'
880'
790'
790'
930' 930'
700' 700'
S.D. COUNTY S.D. COUNTY
W:\17729_SanMarcosDMP\GIS\DeliverableMaps\SMDMP_D_RecFac_Maps_11x17.mxd City of San Marcos - Drainage Master Plan

APPENDIX D
Recommended Improvements - Sheet 202
Major River / Stream
Sub-Catchments
Existing Inventory
#* Channel Confluence
"/ Cleanout
$1 Curb Inlet
$1 Curb Outlet
!( Detention Basin
"/ Inlet
"/ Outlet
$+ Other
2! Separator
l? Outfalls
$ Culvert
$ Channel wider than 5 ft
$ Ditch less than 5 ft wide
$ Elliptical
$ Natural Channel
$ Storm Main
Channel / Ditch Transects
2-YR Flood Inundation
10-YR Flood Inundation
50-YR Flood Inundation
100-YR Flood Inundation
Surcharging Junctions
Recommended Storm Drain
New
Replace
FEMA NFHL Floodplain
100-YR Floodway
100-YR Floodplain
April, 2019
Map Legend
Source: City of San Marcos, Rick Engineering Company,
SANGIS/USGS Aerial Imagery: 11/2014
0 200 400
Scale in Feet [
North
SEE SHEET 192
SEE SHEET 210
SEE SHEET 201SEE SHEET 203

RROOBBININHHOOOODD
RRDD

LLOOWWEERR LLNN

PRIVATE RD PRIVATE RD

RROOBBIINNHHOOOODDRRDD

ROBINHOOD LN ROBINHOOD LN

CASSOU RD CASSOU RD

PRIVATE RD

PRIVATE RD PRIVATE RD

ASCEND RD ASCEND RD

EASY ST EASY ST

PRIVATE RD PRIVATE RD

D ST D ST

BLUE BIRD CANYON RD BLUE BIRD CANYON RD
840'
830' 830'
820' 820'
810' 810'
800' 800'
790'
790'
780'
780'
770'
770'
760'
760'
750'
750'
740' 740'
730'
720'
850'
850'
840' 840'
830' 830'
820' 820'
810'
810'
800'
800'
790' 790'
780' 780'
770'
770'
760' 760'
750' 750'
740'
740'
730'
730'
880' 880'
870' 870'
860' 860'
850' 850'
840' 840'
830' 830'
820' 820'
810' 810'
850'
850'
840' 840'
830' 830'
820' 820'
810' 810'
800'
800'
790' 790'
780' 780'
830'
830'
820'
820'
810' 810'
800'
800'
770'
770'
760'
800' 800'
790' 790'
780'
780'
770'
770'
820' 820'
810' 810'
890' 890'
880' 880'
870'
870'
860'
860'
810' 810'
800'
800'
790' 790'
780'
780'
780'
780'
770'
770'
850'
850'
860'
800' 800'
830'
830'
840' 840'
830' 830'
790' 790'
790'
790' 790' 790'
790' 790'
770' 770'
830' 830'
810'
810'
770' 770'
760' 760'
750' 750'
720'
720'
730' 730'

SAN MARCOS SAN MARCOS
S.D. COUNTY S.D. COUNTY
W:\17729_SanMarcosDMP\GIS\DeliverableMaps\SMDMP_D_RecFac_Maps_11x17.mxd City of San Marcos - Drainage Master Plan

APPENDIX D
Recommended Improvements - Sheet 203
Major River / Stream
Sub-Catchments
Existing Inventory
#* Channel Confluence
"/ Cleanout
$1 Curb Inlet
$1 Curb Outlet
!( Detention Basin
"/ Inlet
"/ Outlet
$+ Other
2! Separator
l? Outfalls
$ Culvert
$ Channel wider than 5 ft
$ Ditch less than 5 ft wide
$ Elliptical
$ Natural Channel
$ Storm Main
Channel / Ditch Transects
2-YR Flood Inundation
10-YR Flood Inundation
50-YR Flood Inundation
100-YR Flood Inundation
Surcharging Junctions
Recommended Storm Drain
New
Replace
FEMA NFHL Floodplain
100-YR Floodway
100-YR Floodplain
April, 2019
Map Legend
Source: City of San Marcos, Rick Engineering Company,
SANGIS/USGS Aerial Imagery: 11/2014
0 200 400
Scale in Feet [
North
SEE SHEET 193
SEE SHEET 211
SEE SHEET 202SEE SHEET 204

CCAASSSSOOUU RRDD

PRIVATE RD PRIVATE RD

EDWIN LN EDWIN LN

PRIVATE RD PRIVATE RD

CCAASSSSOOUU MMEEAADDOOWWSSRRDD

PRIVATE RD PRIVATE RD
840'
840'
830'
830'
820' 820'
810' 810'
800' 800'
790'
790'
780'
780'
770' 770'
760' 760'
750' 750'
740' 740'
730' 730'
720' 720'
710'
710'
830'
830'
820' 820'
810' 810'
800' 800'
790' 790'
780' 780'
770'
770'
760' 760'
750'
750'
740'
740'
730'
730'
720' 720'
710'
710'
770'
770'
700' 700'
790'
780'
770'
760'
750'
740'
820'
820'
810' 810'
800'
800'
780' 780'
810'
800'
790'
780'
770'
830' 830'
820'
810' 810'
800' 800'
790' 790'
780'
780'
760'
760'
750'
750'
740'
740'
730'
730'
720' 720'
810'
810'
800' 800'
770'
770'
760'
760'
750'
740'
730' 730'
760'
760'
750' 750'
750'
750'
740' 740'
730' 730'
720'
720'
800' 800'
790'
760' 760'
750' 750'
700'
700'
730' 730'
760'
760'
760'
760'
760'
740' 740'
730'
730'
830'
830'
820' 820'
790' 790'
780' 780'
780'
780'
770' 770'
740' 740'
740'
740'
700' 700'
740' 740'

SAN MARCOS SAN MARCOS
S.D. COUNTY S.D. COUNTY
W:\17729_SanMarcosDMP\GIS\DeliverableMaps\SMDMP_D_RecFac_Maps_11x17.mxd City of San Marcos - Drainage Master Plan

APPENDIX D
Recommended Improvements - Sheet 204
Major River / Stream
Sub-Catchments
Existing Inventory
#* Channel Confluence
"/ Cleanout
$1 Curb Inlet
$1 Curb Outlet
!( Detention Basin
"/ Inlet
"/ Outlet
$+ Other
2! Separator
l? Outfalls
$ Culvert
$ Channel wider than 5 ft
$ Ditch less than 5 ft wide
$ Elliptical
$ Natural Channel
$ Storm Main
Channel / Ditch Transects
2-YR Flood Inundation
10-YR Flood Inundation
50-YR Flood Inundation
100-YR Flood Inundation
Surcharging Junctions
Recommended Storm Drain
New
Replace
FEMA NFHL Floodplain
100-YR Floodway
100-YR Floodplain
April, 2019
Map Legend
Source: City of San Marcos, Rick Engineering Company,
SANGIS/USGS Aerial Imagery: 11/2014
0 200 400
Scale in Feet [
North
SEE SHEET 194
SEE SHEET 212
SEE SHEET 203SEE SHEET 205

CASSOU RD
COX RD

SYCAMORE DR SYCAMORE DR

SSUUNNNNYY VVIISSTTAA LLNN

PRIVATE RD PRIVATE RD

N TWIN OAKS VALLEY RD N TWIN OAKS VALLEY RD

OLIVE ST
CBIN11449
CLEN11041
CBIN11450
CLEN11042
INLT10675
INLT10676
CLEN11043
OTHR10401
OTHR10402
OTHR10403
CLEN11044
OTHR10404
CLEN11045
INLT10677
INLT10678
INLT10679
INLT10680
INLT10681
CLEN11046
INLT10682
CLEN11507
INLT11284
INLT11285
PIPE10587
PIPE10661
PIPE10490
PIPE10489
PIPE10432
PIPE10491
PIPE10569
PIPE10437
PIPE10492
PIPE10438
PIPE10440
PIPE10442
PIPE10574
PIPE10441
PIPE10444
PIPE10434
PIPE10435
PIPE10439
PIPE10443
PIPE10433
PIPE10573
PIPE10568
PIPE10575
760' 760'
750' 750'
740' 740'
730' 730'
720' 720'
710' 710'
700'
700'
690' 690'
700'
700'
710'
710'
690' 690'
730' 730'
720'
720'
710'
710'
700'
700'
700'
690'
690'
690'
690'
680'
680'
720' 720'
690'
690'
690'
690'
690'
690'
680' 680'
700'
700'
700' 700'
700'
700'
690'
690'
690' 690'
690' 690'
OTLT10303
OTLT10305
OTHR11733

SAN MARCOS SAN MARCOS
S.D. COUNTY S.D. COUNTY
W:\17729_SanMarcosDMP\GIS\DeliverableMaps\SMDMP_D_RecFac_Maps_11x17.mxd City of San Marcos - Drainage Master Plan

APPENDIX D
Recommended Improvements - Sheet 205
Major River / Stream
Sub-Catchments
Existing Inventory
#* Channel Confluence
"/ Cleanout
$1 Curb Inlet
$1 Curb Outlet
!( Detention Basin
"/ Inlet
"/ Outlet
$+ Other
2! Separator
l? Outfalls
$ Culvert
$ Channel wider than 5 ft
$ Ditch less than 5 ft wide
$ Elliptical
$ Natural Channel
$ Storm Main
Channel / Ditch Transects
2-YR Flood Inundation
10-YR Flood Inundation
50-YR Flood Inundation
100-YR Flood Inundation
Surcharging Junctions
Recommended Storm Drain
New
Replace
FEMA NFHL Floodplain
100-YR Floodway
100-YR Floodplain
April, 2019
Map Legend
Source: City of San Marcos, Rick Engineering Company,
SANGIS/USGS Aerial Imagery: 11/2014
0 200 400
Scale in Feet [
North
SEE SHEET 195
SEE SHEET 213
SEE SHEET 204SEE SHEET 206

MARILYN LN

OLIVE ST

MULBERRY DR
COX RD

SYCAMORE DR SYCAMORE DR

KISO LN KISO LN

SSYYCCAAMMOORREECCRREEEEKK LLNN

PRIVATE RD PRIVATE RD

JENNILEAH LN
INLT10486
OTLT10293 OTHR10769
INLT11134
INLT11135
OTHR10771
OTHR11209
OTHR11501
CULV10010
PIPE10553
CHAN10005
CHAN10012
DTCH10026
DTCH10024 DTCH10025
CHAN10010
CHAN10006
CHAN10007
CHAN10011
CHAN10009
CHAN10008
CHAN10002
CHAN10003
CHAN10004
CHAN10001
750' 750'
730'
730'
720' 720'
710' 710'
710'
710'
700' 700'
740'
740'
730' 730'
730'
710'
720' 720'
710' 710'
700' 700'
730'
730'
720' 720'
720' 720'
710'
710'
730' 730'
720'
720'
740'
740'
690' 690'
690'
690'
730'
730'
730' 730'
710'
710'
710' 710'
690'
690'
740' 740'
720' 720'
710' 710'
700' 700'
700'
700'
690' 690'
690' 690'
690'
690'
730' 730'
730'
730'
710'
710'
700' 700'
700'
700'
OTLT10302
OTHR11733

SAN MARCOS SAN MARCOS
S.D. COUNTY S.D. COUNTY
W:\17729_SanMarcosDMP\GIS\DeliverableMaps\SMDMP_D_RecFac_Maps_11x17.mxd City of San Marcos - Drainage Master Plan

APPENDIX D
Recommended Improvements - Sheet 206
Major River / Stream
Sub-Catchments
Existing Inventory
#* Channel Confluence
"/ Cleanout
$1 Curb Inlet
$1 Curb Outlet
!( Detention Basin
"/ Inlet
"/ Outlet
$+ Other
2! Separator
l? Outfalls
$ Culvert
$ Channel wider than 5 ft
$ Ditch less than 5 ft wide
$ Elliptical
$ Natural Channel
$ Storm Main
Channel / Ditch Transects
2-YR Flood Inundation
10-YR Flood Inundation
50-YR Flood Inundation
100-YR Flood Inundation
Surcharging Junctions
Recommended Storm Drain
New
Replace
FEMA NFHL Floodplain
100-YR Floodway
100-YR Floodplain
April, 2019
Map Legend
Source: City of San Marcos, Rick Engineering Company,
SANGIS/USGS Aerial Imagery: 11/2014
0 200 400
Scale in Feet [
North
SEE SHEET 196
SEE SHEET 214
SEE SHEET 205SEE SHEET 207

MARILYN LN

EEUUCCAALLYYPPTTUUSSWWOOOODDSS RRDD

LOW CHAPARRAL DR LOW CHAPARRAL DR

BIRCHWOOD DR

FFLLYYNNNN

HHEEIIGGHHTTSS DDRR

YYUUCCCCAA

RRIIDDGGEE
LLNN
OOLL
IIVVEE
SSTT

OLD OAK RIDGE OLD OAK RIDGE
940' 940'
950' 950'
920' 920'
930' 930'
900' 900'
910' 910'
880' 880'
890' 890'
860' 860'
870' 870'
850' 850'
830' 830'
840' 840'
820' 820'
810' 810'
800' 800'
790' 790'
780' 780'
770' 770'
760' 760'
900' 900'
880' 880'
890' 890'
870' 870'
860' 860'
850' 850'
840' 840'
940' 940'
930' 930'
920' 920'
910' 910'
900' 900'
840' 840'
830'
850' 850' 820'
810' 810'
800' 800'
790' 790'
780' 780'
920' 910' 910'
860' 860'
850' 850'
770' 770'
760' 760'
750' 750'
730'
740' 740'
730'
830' 830'
820' 820'
830' 830'
820' 820'
790' 790'
780'
750' 750'
740' 740'
800' 800' 790' 790'
750' 750'
740' 740'
730'
940' 940'
730'
960' 960'
830'
800' 800'
780' 780'
730' 730'
730' 730'
730' 730' 730' 730'
730' 730'
730' 730'
730'
730' 730'

SAN MARCOS SAN MARCOS
S.D. COUNTY S.D. COUNTY
W:\17729_SanMarcosDMP\GIS\DeliverableMaps\SMDMP_D_RecFac_Maps_11x17.mxd City of San Marcos - Drainage Master Plan

APPENDIX D
Recommended Improvements - Sheet 207
Major River / Stream
Sub-Catchments
Existing Inventory #* Channel Confluence "/ Cleanout $1 Curb Inlet $1 Curb Outlet !( Detention Basin "/ Inlet "/ Outlet $+ Other 2! Separator l? Outfalls $ Culvert $ Channel wider than 5 ft $ Ditch less than 5 ft wide $ Elliptical $ Natural Channel $ Storm Main Channel / Ditch Transects
2-YR Flood Inundation
10-YR Flood Inundation
50-YR Flood Inundation
100-YR Flood Inundation
Surcharging Junctions
Recommended Storm Drain
New
Replace
FEMA NFHL Floodplain
100-YR Floodway
100-YR Floodplain
April, 2019
Map Legend
Source: City of San Marcos, Rick Engineering Company,
SANGIS/USGS Aerial Imagery: 11/2014
0 200 400
Scale in Feet
[
North
SEE SHEET 197
SEE SHEET 215
SEE SHEET 206SEE SHEET 208

FFLLYYNNNN

HHEEIIGGHHTTSS
DDRR

FFLLYYNNNN

HHEEIIGGHHTTSS
DDRR

WOODLAND HEIGHTS GLE WOODLAND HEIGHTS GLE
1100' 1100'
1090' 1090'
1080' 1080' 1070' 1070' 1060' 1060' 1050' 1050'
1040' 1040' 1030' 1030'
1010' 1010' 1000' 1000' 990' 990' 980' 980' 970' 970' 960' 960' 950' 950' 940' 940' 930' 930' 920' 920' 910' 910' 900' 900' 890' 890' 880' 880' 870'
870' 860' 860' 850' 850' 840' 840' 830' 830' 820' 820'
1040'
1020' 1020' 1030' 1010' 1010'
1000' 1000'
990' 990'
980' 980'
970' 970'
960' 960'
950' 950'
940' 940'
930' 930' 920' 910'
900' 890' 880'
940' 930' 930' 920' 910' 910' 900'
890'
900' 900' 890' 890' 880' 880'
870' 870'
1110' 1110'
1020' 1020'
890' 890' 880' 880' 870' 870'
820' 820'
S.D. COUNTY S.D. COUNTY

ESCONDIDO ESCONDIDO
W:\17729_SanMarcosDMP\GIS\DeliverableMaps\SMDMP_D_RecFac_Maps_11x17.mxd City of San Marcos - Drainage Master Plan

APPENDIX D
Recommended Improvements - Sheet 208
Major River / Stream
Sub-Catchments
Existing Inventory #* Channel Confluence "/ Cleanout $1 Curb Inlet $1 Curb Outlet !( Detention Basin "/ Inlet "/ Outlet $+ Other 2! Separator l? Outfalls $ Culvert $ Channel wider than 5 ft $ Ditch less than 5 ft wide $ Elliptical $ Natural Channel $ Storm Main Channel / Ditch Transects
2-YR Flood Inundation
10-YR Flood Inundation
50-YR Flood Inundation
100-YR Flood Inundation
Surcharging Junctions
Recommended Storm Drain
New
Replace
FEMA NFHL Floodplain
100-YR Floodway
100-YR Floodplain
April, 2019
Map Legend
Source: City of San Marcos, Rick Engineering Company,
SANGIS/USGS Aerial Imagery: 11/2014
0 200 400
Scale in Feet
[
North
SEE SHEET 198
SEE SHEET 216
SEE SHEET 207SEE SHEET 209

HHAAMMPPTTOONN GGLLEENN

KKEENNSSIINNGGTTOONN GGLLEENN FFOOXXBBUURRYY GGLLEENN

WWOOOODDLLAANNDD HHEEIGIGHHTTSSGGLLEE

WWOOOODDLLAANNDD

HHEEIIGGHHTTSSGGLLEE

ESCONDIDO ESCONDIDO
W:\17729_SanMarcosDMP\GIS\DeliverableMaps\SMDMP_D_RecFac_Maps_11x17.mxd City of San Marcos - Drainage Master Plan

APPENDIX D
Recommended Improvements - Sheet 209
Major River / Stream
Sub-Catchments
Existing Inventory #* Channel Confluence "/ Cleanout $1 Curb Inlet $1 Curb Outlet !( Detention Basin "/ Inlet "/ Outlet $+ Other 2! Separator l? Outfalls $ Culvert $ Channel wider than 5 ft $ Ditch less than 5 ft wide $ Elliptical $ Natural Channel $ Storm Main Channel / Ditch Transects
2-YR Flood Inundation
10-YR Flood Inundation
50-YR Flood Inundation
100-YR Flood Inundation
Surcharging Junctions
Recommended Storm Drain
New
Replace
FEMA NFHL Floodplain
100-YR Floodway
100-YR Floodplain
April, 2019
Map Legend
Source: City of San Marcos, Rick Engineering Company,
SANGIS/USGS Aerial Imagery: 11/2014
0 200 400
Scale in Feet
[
North
SEE SHEET 199
SEE SHEET 217
SEE SHEET 208

SSIIDDDDAALLLL DDRR

PRIVATE RD PRIVATE RD

PRIVATE RD

PRIVATE RD

PRIVATE RD PRIVATE RD

BBUUEENNAA

CCRREEEEKK RRDD
1120'
1120'
1110' 1110'
1100'
1100'
1090' 1090'
1080' 1080'
1070'
1070'
1060' 1060'
1050' 1050'
1040'
1040'
1030' 1030'
1020' 1020'
1010'
1010'
1000'
1000'
990'
990'
980'
980'
970'
970'
950'
950'
940'
940'
930'
930'
920'
920'
900' 900'
890'
890'
880'
880'
870' 870'
850' 850'
840'
830'
830'
820' 820'
810' 810'
1140' 1140'
1130' 1130'
1120' 1120'
1110' 1110'
1100' 1100'
1090' 1090'
1080' 1080'
1070' 1070'
1060' 1060'
1050'
1050'
1000'
990'
980'
980'
970' 970'
960'
960'
950'
950'
940' 940'
930'
920'
910'
900'
890'
870'
860' 860'
850' 850'
1040' 1040'
1030'
1030'
1020'
1020'
1010'
1010'
1050' 1050'
1040'
1040'
1030' 1030'
1020'
1020'
1010'
1010'
1000'
990'
980' 980'
970'
970'
960'
960'
950'
950'
930'
930'
920'
920'
860'
860'
830'
820'
810'
810'
800'
790'
850' 850'
840'
840'
870'
870'
850' 850'
840'
840'
830' 830'
820' 820'
1050' 1050'
1040'
1040'
1030'
1030'
1020'
1020'
920'
910'
910'
900'
890'
910'
910'
900' 900'
890'
890'
870'
870'
860' 860'
850'
850'
1070'
1070'
1060' 1060'
810' 810'
800' 800'
790'
860'
850'
1070' 1070'
970' 970'
1060'
1060'
960' 960'
840' 840'
830' 830'
1130' 1130'
1140'
1140'
910' 910'
860'
880' 880'
840'
830' 830'
940' 940'
880'
1000'
1000'
1010'
980' 980'
910' 910'
890'
890'
880' 880'
800' 800'
S.D. COUNTY S.D. COUNTY
W:\17729_SanMarcosDMP\GIS\DeliverableMaps\SMDMP_D_RecFac_Maps_11x17.mxd City of San Marcos - Drainage Master Plan

APPENDIX D
Recommended Improvements - Sheet 210
Major River / Stream
Sub-Catchments
Existing Inventory
#* Channel Confluence
"/ Cleanout
$1 Curb Inlet
$1 Curb Outlet
!( Detention Basin
"/ Inlet
"/ Outlet
$+ Other
2! Separator
l? Outfalls
$ Culvert
$ Channel wider than 5 ft
$ Ditch less than 5 ft wide
$ Elliptical
$ Natural Channel
$ Storm Main
Channel / Ditch Transects
2-YR Flood Inundation
10-YR Flood Inundation
50-YR Flood Inundation
100-YR Flood Inundation
Surcharging Junctions
Recommended Storm Drain
New
Replace
FEMA NFHL Floodplain
100-YR Floodway
100-YR Floodplain
April, 2019
Map Legend
Source: City of San Marcos, Rick Engineering Company,
SANGIS/USGS Aerial Imagery: 11/2014
0 200 400
Scale in Feet [
North
SEE SHEET 202
SEE SHEET 211

BBUUEENNAA CCRREEEEKK RRDD
D ST
D ST

ROBINHOOD RD

BBLLUUEEBBIRIRDD CCAANNYYOONN RRDD

PRIVATE RD

DOREEN LN DOREEN LN

SSIIDDDDAALLLL DDRR

JUANITA TR JUANITA TR

PRIVATE RD PRIVATE RD

BBLLUUEE

BBIRIRDD

CCAANNYYOONN
RRDD

PRIVATE RD PRIVATE RD

BBLLUUEEBBIIRRDD CCAANNYYOONN CCTT
CCAASSSSOOUU RRDD 910'
910'
900' 900'
890'
890'
880' 880'
870'
870'
850' 850'
840' 840'
830'
830'
820'
820'
920'
860' 860'
920' 920'
910' 910'
890'
890'
880' 880'
870'
870'
860'
860'
840' 840'
830' 830'
870' 870'
860' 860'
850'
850'
840'
840'
830' 830'
820' 820'
810' 810'
800' 800'
790' 790'
870'
870'
860' 860'
850' 850'
840'
840'
830'
830'
820' 820'
810'
810'
800' 800'
880' 880'
860' 860'
850' 850'
840' 840'
870'
870'
860'
860'
850'
830' 830'
850'
840'
840'
840'
840'
830' 830'
820' 820'
810'
810'
800'
800'
860' 860'
850'
850'
910'
900'
900'
860'
860'
850'
820'820'
810' 810'
900'
900'
850' 850'
880' 880'
830' 830'
930'
920' 920'
890'
880'
880'
820'
820'
810' 810'
820'
820'
820'
800' 800'
820' 820'
810'
810'
S.D. COUNTY S.D. COUNTY
W:\17729_SanMarcosDMP\GIS\DeliverableMaps\SMDMP_D_RecFac_Maps_11x17.mxd City of San Marcos - Drainage Master Plan

APPENDIX D
Recommended Improvements - Sheet 211
Major River / Stream
Sub-Catchments
Existing Inventory
#* Channel Confluence
"/ Cleanout
$1 Curb Inlet
$1 Curb Outlet
!( Detention Basin
"/ Inlet
"/ Outlet
$+ Other
2! Separator
l? Outfalls
$ Culvert
$ Channel wider than 5 ft
$ Ditch less than 5 ft wide
$ Elliptical
$ Natural Channel
$ Storm Main
Channel / Ditch Transects
2-YR Flood Inundation
10-YR Flood Inundation
50-YR Flood Inundation
100-YR Flood Inundation
Surcharging Junctions
Recommended Storm Drain
New
Replace
FEMA NFHL Floodplain
100-YR Floodway
100-YR Floodplain
April, 2019
Map Legend
Source: City of San Marcos, Rick Engineering Company,
SANGIS/USGS Aerial Imagery: 11/2014
0 200 400
Scale in Feet [
North
SEE SHEET 203
SEE SHEET 218
SEE SHEET 210SEE SHEET 212
BBUU
EE
NNAA
CCRREE
EE
KK
RRDD

EDWIN LN EDWIN LN

PPRRIIVVAATTEE
RRDD

PRIVATE RD PRIVATE RD

PRIVATE RD PRIVATE RD

PRIVATE RD PRIVATE RD

PRIVATE DY PRIVATE DY

LINDY WY LINDY WY

PRIVATE DY

SSUUNN SSHHIINNEE MMTTNN RR

TAMARA LN TAMARA LN
DD
1100' 1100' 1090' 1090' 1080' 1080' 1070' 1070'
1060' 1060' 1050' 1050' 1040' 1040' 1030' 1030'
1020' 1020' 1010' 1010'
1000' 1000' 990' 990'
980' 980' 970' 970'
960'
960' 950' 950' 940' 940'
930'
930' 920' 920'
910'
910' 900' 900' 890' 890' 880' 880' 870' 870' 860' 860' 850' 850' 840' 840' 830' 830' 820'
820'
940' 940' 930' 930'
920'
920'
910'
910'
900' 900' 890' 890' 880' 880' 870' 870'
890' 890' 880' 880'
860' 860'
850' 850'
840' 840'
830' 830'
810'
800' 800'
820' 820'
810' 810' 800' 800' 790' 790'
800' 800'
790' 790'
820' 820'
810' 810'
800' 800'
790'
790'
780'
780'
770'
770'
760'
760'
920' 920' 910' 910' 900' 900'
780' 780'
770' 770'
750' 750' 740' 740'
940' 940'
930' 930'
940' 940'
930' 930'
820' 820'
810' 810'
800' 800'
790' 790'
780' 780'
800' 800'
780' 780'
800' 800'
790' 790'
780' 780'
770' 770'
750' 750'
740' 740'
810' 810'
790' 790'
770' 770'
760' 760'
820' 820'
820' 820'
790' 790'
770' 770'
950'
940' 940'
850' 850'
830' 830'
830' 830'
830'
820' 820'
810'
790'
790'
740'
740'
730' 730'
730' 730'
780' 780'
740' 740'
S.D. COUNTY S.D. COUNTY
W:\17729_SanMarcosDMP\GIS\DeliverableMaps\SMDMP_D_RecFac_Maps_11x17.mxd City of San Marcos - Drainage Master Plan

APPENDIX D
Recommended Improvements - Sheet 212
Major River / Stream
Sub-Catchments
Existing Inventory #* Channel Confluence "/ Cleanout $1 Curb Inlet $1 Curb Outlet !( Detention Basin "/ Inlet "/ Outlet $+ Other 2! Separator l? Outfalls $ Culvert $ Channel wider than 5 ft $ Ditch less than 5 ft wide $ Elliptical $ Natural Channel $ Storm Main Channel / Ditch Transects
2-YR Flood Inundation
10-YR Flood Inundation
50-YR Flood Inundation
100-YR Flood Inundation
Surcharging Junctions
Recommended Storm Drain
New
Replace
FEMA NFHL Floodplain
100-YR Floodway
100-YR Floodplain
April, 2019
Map Legend
Source: City of San Marcos, Rick Engineering Company,
SANGIS/USGS Aerial Imagery: 11/2014
0 200 400
Scale in Feet
[
North
SEE SHEET 204
SEE SHEET 219
SEE SHEET 211SEE SHEET 213
BBUU
EE
NNAA

CCRREEEE
KK
RRDD

COUNTRY CREEK COUNTRY CREEK

N TWIN OAKS VALLEY RD N TWIN OAKS VALLEY RD

EQUESTRIAN CT

SSPPRRII
NNGG
CCRREE
EEKK

OLIVE ST

PRIVATE DY PRIVATE DY

PRIVATE DY PRIVATE DY
CLEN11410
CLEN11411
INLT11080
CLEN11412
INLT11181
INLT11182
INLT11316
PIPE10572
PIPE10571
CULV10013
PIPE10547
PIPE10549
PIPE10546
PIPE10550
920' 920'
910' 910'
900' 900'
890' 890'
880' 880'
870' 870'
860' 860'
850' 850'
840' 840'
830' 830'
820' 820'
810' 810'
800' 800'
790' 790'
770' 770'
760' 760'
750' 750'
740' 740'
940' 940'
930' 930'
770' 770'
760' 760'
750' 750'
740' 740'
730' 730'
790' 790'
780' 780'
790' 790' 780' 780'
720' 720'
710' 710'
710'
710'
700' 700'
710' 710'
700' 700'
780' 780'
730' 730'
720' 720'
710' 710'
800' 800'
800' 800'
700' 700'
700' 700'
700' 700'
720' 720'
710' 710'
OTLT10316

SAN MARCOS SAN MARCOS
S.D. COUNTY S.D. COUNTY
W:\17729_SanMarcosDMP\GIS\DeliverableMaps\SMDMP_D_RecFac_Maps_11x17.mxd City of San Marcos - Drainage Master Plan

APPENDIX D
Recommended Improvements - Sheet 213
Major River / Stream
Sub-Catchments
Existing Inventory #* Channel Confluence "/ Cleanout $1 Curb Inlet $1 Curb Outlet !( Detention Basin "/ Inlet "/ Outlet $+ Other 2! Separator l? Outfalls $ Culvert $ Channel wider than 5 ft $ Ditch less than 5 ft wide $ Elliptical $ Natural Channel $ Storm Main Channel / Ditch Transects
2-YR Flood Inundation
10-YR Flood Inundation
50-YR Flood Inundation
100-YR Flood Inundation
Surcharging Junctions
Recommended Storm Drain
New
Replace
FEMA NFHL Floodplain
100-YR Floodway
100-YR Floodplain
April, 2019
Map Legend
Source: City of San Marcos, Rick Engineering Company,
SANGIS/USGS Aerial Imagery: 11/2014
0 200 400
Scale in Feet
[
North
SEE SHEET 205
SEE SHEET 220
SEE SHEET 212SEE SHEET 214

MARILYN LN

PRIVATE DY PRIVATE DY

PRIVATE RD PRIVATE RD

MULBERRY DR

SYCAMORE DR SYCAMORE DR

PPRRIIVVAATTEE DDYY

PRIVATE RD PRIVATE RD

PRIVATE DY

PUBLIC RD PUBLIC RD

PRIVATE DY

MCINTIRE LN

MCINTIRE LN
INLT11073
INLT11074
CLEN11407
INLT11075
CLEN11408
CLEN11409
OTHR10762
INLT11600
CULV10035
PIPE10543
PIPE10542
PIPE10552
PIPE10545
PIPE10548
PIPE10549
PIPE10544
PIPE10541
860'
850' 850'
840'
840'
830' 830'
820'
820'
810' 810'
800' 800'
790' 790'
780' 780'
770'
770'
760' 760'
750'
750'
740' 740'
730' 730'
750' 750'
740' 740'
730' 730'
720' 720'
740' 740'
730'
730'
720'
720'
710'
710'
710' 710'
700'
700'
710'
710'
700'
700'
870' 870'
720'
730' 730'
720' 720'
720' 720'
OTLT10301
OTLT10304
OTLT10306

SAN MARCOS SAN MARCOS
S.D. COUNTY S.D. COUNTY
W:\17729_SanMarcosDMP\GIS\DeliverableMaps\SMDMP_D_RecFac_Maps_11x17.mxd City of San Marcos - Drainage Master Plan

APPENDIX D
Recommended Improvements - Sheet 214
Major River / Stream
Sub-Catchments
Existing Inventory
#* Channel Confluence
"/ Cleanout
$1 Curb Inlet
$1 Curb Outlet
!( Detention Basin
"/ Inlet
"/ Outlet
$+ Other
2! Separator
l? Outfalls
$ Culvert
$ Channel wider than 5 ft
$ Ditch less than 5 ft wide
$ Elliptical
$ Natural Channel
$ Storm Main
Channel / Ditch Transects
2-YR Flood Inundation
10-YR Flood Inundation
50-YR Flood Inundation
100-YR Flood Inundation
Surcharging Junctions
Recommended Storm Drain
New
Replace
FEMA NFHL Floodplain
100-YR Floodway
100-YR Floodplain
April, 2019
Map Legend
Source: City of San Marcos, Rick Engineering Company,
SANGIS/USGS Aerial Imagery: 11/2014
0 200 400
Scale in Feet [
North
SEE SHEET 206
SEE SHEET 221
SEE SHEET 213SEE SHEET 215

PUBLIC RD PUBLIC RD

LOW CHAPARRAL DR LOW CHAPARRAL DR

PRIVATE RD PRIVATE RD
1390'
1390'
1380'
1380'
1370' 1370'
1360' 1360'
1350' 1350'
1340' 1340'
1330' 1330'
1300'
1320' 1320' 1300'
1290' 1290'
1280'
1280'
1260'
1260'
1250'
1250'
1240'
1240'
1230'
1230'
1220'
1220'
1210' 1210'
1200' 1200'
1190'
1190'
1180' 1180'
1150' 1150'
1120' 1120'
1110' 1110'
1100' 1100'
1090'
1080' 1080'
1070' 1070'
1060' 1060'
1050'
1040'
1030'
1020'
1010'
1000'
990'
980'
970'
960'
950'
930' 930'
940'
920'
920'
910' 910'
900' 900'
890' 890'
880' 880'
870'
870'
860' 860'
850'
850'
840'
840'
830'
820'
820'
810'
810'
800'
800'
790'
770' 770'
760' 760'
980'
980'
970'
970'
960'
960'
950' 950'
940' 940'
930'
930'
920' 920'
910' 910'
900'
900'
890'
890'
880'
870'
860' 860'
850'
840'
830'
830'
820'
820'
830' 830'
820'
820'
810'
810'
800' 800'
790'
790'
780'
780'
790'
780'
770'
760'
760'
750'
740'
830'
830'
810'
810'
860'
850' 850'
750' 750'
740'
740'
760' 760'
740'
1410' 1410'
1400' 1400'
780'
780'
770'
1310'
1310'
1270' 1270'
1170' 1170'
1160' 1160'
1140'
1140'
1130'
1130'
830' 830'
830' 830'
750' 750'
820' 820'
810'
810'
800' 800'
780'
780'
760' 760'
760'
760'
750'
750'
740'
740'
S.D. COUNTY S.D. COUNTY
W:\17729_SanMarcosDMP\GIS\DeliverableMaps\SMDMP_D_RecFac_Maps_11x17.mxd City of San Marcos - Drainage Master Plan

APPENDIX D
Recommended Improvements - Sheet 215
Major River / Stream
Sub-Catchments
Existing Inventory
#* Channel Confluence
"/ Cleanout
$1 Curb Inlet
$1 Curb Outlet
!( Detention Basin
"/ Inlet
"/ Outlet
$+ Other
2! Separator
l? Outfalls
$ Culvert
$ Channel wider than 5 ft
$ Ditch less than 5 ft wide
$ Elliptical
$ Natural Channel
$ Storm Main
Channel / Ditch Transects
2-YR Flood Inundation
10-YR Flood Inundation
50-YR Flood Inundation
100-YR Flood Inundation
Surcharging Junctions
Recommended Storm Drain
New
Replace
FEMA NFHL Floodplain
100-YR Floodway
100-YR Floodplain
April, 2019
Map Legend
Source: City of San Marcos, Rick Engineering Company,
SANGIS/USGS Aerial Imagery: 11/2014
0 200 400
Scale in Feet [
North
SEE SHEET 207
SEE SHEET 222
SEE SHEET 214SEE SHEET 216

PPRRIVIVAATTEE RRDD

RRAANNCCHHOOLLUUIISSEENNOO RRDD

PPRRIIVVAATTEE RRDD
1470' 1470'
1460' 1460'
1450'
1450'
1430' 1430'
1420' 1420'
1410' 1410'
1400' 1400'
1390'
1380'
1370'
1360'
1350'
1340'
1330'
1320' 1320'
1310' 1310'
1300' 1300'
1290' 1290'
1280' 1280'
1270'
1270'
1250'
1250'
1230'
1230'
1220' 1220'
1210'
1200'
1190' 1190'
1180' 1180'
1170' 1170'
1160' 1160'
1150'
1140'
1140'
1130'
1120' 1120'
1110' 1110'
1100'
1100'
1090' 1090'
1080'
1080'
1060' 1060'
1050' 1050'
1040'
1040'
1030'
1010'
1000'
990'
980'
970'
960'
960'
950'
950'
940'
940'
920'
920'
910'
900'
890'
1540'
1540'
1530' 1530'
1520' 1520'
1510' 1510'
1500'
1500'
1490'
1490'
1480' 1480'
1440'
1440'
1260' 1260'
1240' 1240'
1480'
1470'
1470'
1460'
1460'
1430'
1410'
1410'
1400' 1400'
1390' 1390'
1380'
1380'
1370' 1370'
1350'
1350'
1320' 1320'
1300'
1290'
1240' 1240'
1230' 1230'
1220' 1220'
1210'
1420'
1420'
1340'
1340'
1330'
1310'
1280' 1280'
1270' 1270'
1500' 1500'
1490'
1360'
1450' 1450'
1440' 1440'
1200' 1200'
1190' 1190'
1180' 1180'
1170'
1160'
1150'
1140'
1130'
1120'
1110'
1100'
1090'
1080'
1070'
1070'
1500' 1500'
1490' 1490'
1480' 1480'
1470' 1470'
1460' 1460'
1600'
1600'
1590'
1590'
1580' 1580'
1570' 1570'
1560' 1560'
1520' 1520'
1510'
1500' 1500'
1490'
1480'
1020'
1010'
1000'
990' 990'
980' 980'
1070'
1030'
1020' 1020'
970'
970'
950' 950'
1450' 1450'
1440'
1440'
1480' 1480'
1470' 1470'
1470' 1470'
1460'
1460'
1460'
1460'
1450' 1450'
970'
970'
960' 960'
1450' 1450'
1440' 1440'
1450'
1450'
1440'
1440'
930' 930'
880'
880'
870' 870'
860' 860'
850' 850'
1260' 1260'
1250' 1250'
1510'
1510'
1550' 1550'
1060' 1060'
1460'
960' 960'
1570' 1570'
1570' 1570'
1530'
1530'
1510' 1510'
1490' 1490'
1460'
1440'
1440'
1440' 1440'
1020'
1020'
910' 910'
S.D. COUNTY S.D. COUNTY

ESCONDIDO ESCONDIDO
W:\17729_SanMarcosDMP\GIS\DeliverableMaps\SMDMP_D_RecFac_Maps_11x17.mxd City of San Marcos - Drainage Master Plan

APPENDIX D
Recommended Improvements - Sheet 216
Major River / Stream
Sub-Catchments
Existing Inventory
#* Channel Confluence
"/ Cleanout
$1 Curb Inlet
$1 Curb Outlet
!( Detention Basin
"/ Inlet
"/ Outlet
$+ Other
2! Separator
l? Outfalls
$ Culvert
$ Channel wider than 5 ft
$ Ditch less than 5 ft wide
$ Elliptical
$ Natural Channel
$ Storm Main
Channel / Ditch Transects
2-YR Flood Inundation
10-YR Flood Inundation
50-YR Flood Inundation
100-YR Flood Inundation
Surcharging Junctions
Recommended Storm Drain
New
Replace
FEMA NFHL Floodplain
100-YR Floodway
100-YR Floodplain
April, 2019
Map Legend
Source: City of San Marcos, Rick Engineering Company,
SANGIS/USGS Aerial Imagery: 11/2014
0 200 400
Scale in Feet [
North
SEE SHEET 208
SEE SHEET 223
SEE SHEET 215SEE SHEET 217

MMEESSAA

RRAANNCCHH

DDRR MMEESSAA RR OOCCKK RRDD

WHITING WOODS DR WHITING WOODS DR

WWOOOODDLLAANNDD HHEEIIGGHHTTSSGGLLEE

PPRRIIVVAATTEE RRDD

RRAANNCCHHOO

LLUUIISSEENNOO
RRDD

WWOOOODDLLAANN
DD
HH

EEIIGGHHTTSS
GGLLEE
§¨¦15
1520' 1520'
1510' 1510'
1500' 1500'
1490' 1490'
1480' 1480'
1470' 1470'
1460' 1460'
1450' 1450'
1430' 1430'
1420' 1420'
1410' 1410'
1400' 1400'
1390' 1390'
1380' 1380'
1370' 1360' 1350' 1340' 1340' 1500' 1490' 1480' 1470' 1460' 1460' 1450' 1440' 1430' 1430' 1420' 1420'
1410'
1410' 1400' 1400'
1470' 1470'
1460' 1460'
1450' 1450'
1470' 1470' 1460' 1460'
1450' 1450'
1400' 1400'
1390' 1390'
1380' 1380'
1470'
1470' 1460' 1460'
1440'
1430'
1530' 1530'
1520' 1520'
1490' 1490' 1480' 1480'
1440' 1440'
1510' 1510'
1470' 1470'
1470' 1470'
1460'
1430' 1430'
1420'
1390' 1390'
1440'
1440'
S.D. COUNTY S.D. COUNTY

ESCONDIDO ESCONDIDO
W:\17729_SanMarcosDMP\GIS\DeliverableMaps\SMDMP_D_RecFac_Maps_11x17.mxd City of San Marcos - Drainage Master Plan

APPENDIX D
Recommended Improvements - Sheet 217
Major River / Stream
Sub-Catchments
Existing Inventory #* Channel Confluence "/ Cleanout $1 Curb Inlet $1 Curb Outlet !( Detention Basin "/ Inlet "/ Outlet $+ Other 2! Separator l? Outfalls $ Culvert $ Channel wider than 5 ft $ Ditch less than 5 ft wide $ Elliptical $ Natural Channel $ Storm Main Channel / Ditch Transects
2-YR Flood Inundation
10-YR Flood Inundation
50-YR Flood Inundation
100-YR Flood Inundation
Surcharging Junctions
Recommended Storm Drain
New
Replace
FEMA NFHL Floodplain
100-YR Floodway
100-YR Floodplain
April, 2019
Map Legend
Source: City of San Marcos, Rick Engineering Company,
SANGIS/USGS Aerial Imagery: 11/2014
0 200 400
Scale in Feet
[
North
SEE SHEET 209
SEE SHEET 224
SEE SHEET 216

PPRRIIVVAATTEE
RRDD
HHOO

LLLLYYBBEERRRRYY
TTLL

VVIAIA CCOONNCCAA DDOORROO

BLUE BIRD CANYON TL BLUE BIRD CANYON TL

BLUE BIRD CANYON TL BLUE BIRD CANYON TL

BBLLUUEE BBIIRRDD CCAANNYYOONN
RRDD

BLUE BIRD CANYON RD BLUE BIRD CANYON RD

RROOSSEEMMTTNN RRDD
1050' 1050'
1020'
1030' 1030'
1040' 1040'
1020'
1000'
1010' 1010'
1000'
980' 980'
990' 990'
970' 970'
960' 960'
950' 950'
940' 940'
920' 920'
910' 910'
900' 900'
890' 890'
870' 870'
930' 930'
920' 920'
910' 910'
900' 900'
890' 890'
880' 880'
860' 860'
840' 840'
830' 830'
820' 820'
810' 810'
800' 800'
940' 940'
850' 850'
880' 880' 870' 870' 860' 860' 850' 850'
840' 840' 830' 830' 820' 820'
810' 810'
970' 970' 960' 960' 950' 950'
940'
940'
930' 930'920' 920'
910' 910'
900' 900'
910' 910'
900' 900' 890' 890'
870' 870'
920' 920'
910' 910'
900' 900'
860' 860' 850' 850' 840' 840'
940' 940'
920' 940' 940' 930'
930' 930'
910'
920' 920'
910'
900'
910' 910'
900'
900'
910' 910'
900' 900'
910' 910'
900' 900'
880'
870'
860' 860' 850' 850'
930' 930'
790' 790'
780' 780'
770' 770'
800' 800'
930' 930'
930'
930'
880' 880'
1060' 1060'
940' 940'
920' 920'
920' 920'
910' 910'
900'
900' 900'
900'
900'
830' 830'
830' 830'
940' 940'
S.D. COUNTY S.D. COUNTY
W:\17729_SanMarcosDMP\GIS\DeliverableMaps\SMDMP_D_RecFac_Maps_11x17.mxd City of San Marcos - Drainage Master Plan

APPENDIX D
Recommended Improvements - Sheet 218
Major River / Stream
Sub-Catchments
Existing Inventory #* Channel Confluence "/ Cleanout $1 Curb Inlet $1 Curb Outlet !( Detention Basin "/ Inlet "/ Outlet $+ Other 2! Separator l? Outfalls $ Culvert $ Channel wider than 5 ft $ Ditch less than 5 ft wide $ Elliptical $ Natural Channel $ Storm Main Channel / Ditch Transects
2-YR Flood Inundation
10-YR Flood Inundation
50-YR Flood Inundation
100-YR Flood Inundation
Surcharging Junctions
Recommended Storm Drain
New
Replace
FEMA NFHL Floodplain
100-YR Floodway
100-YR Floodplain
April, 2019
Map Legend
Source: City of San Marcos, Rick Engineering Company,
SANGIS/USGS Aerial Imagery: 11/2014
0 200 400
Scale in Feet
[
North
SEE SHEET 211
SEE SHEET 225
SEE SHEET 219

PPRRIIVVAATTEERRDD

PPRRIIVVAATTEE RRDD

PPRRIIVVAATTEEDDYY

PPRRIIVVAATTEEDDYY

PRIVATE DY PRIVATE DY

RROOSSEE MM
TT
NN
RR
DD

SSUU NN SS

HHIINNEE MMTTNN RR
DD

PPRRIIVVAATTEE DDYY

PPRRIIVVAATTEEDDYY

PRIVATE RD PRIVATE RD

PPRRIIVVAATTEEDDYY

PPRRIIVVAATTEE DDYY

PPRRIIVVAATTEERRDD

BBEECCKKYYLLNN
1300' 1300'
1290' 1290'
1280'
1280'
1270'
1270'
1260' 1260'
1250' 1250'
1240' 1240'
1230' 1230'
1220'
1220'
1210'
1210'
1200' 1200'
1190'
1190'
1180'
1180'
1170'
1170'
1160' 1160'
1150' 1150'
1140' 1140'
1130' 1130'
1120'
1120'
1110'
1110'
1100'
1100'
1090' 1090'
1080' 1080'
1070'
1070'
1060'
1060'
1050'
1050'
1010'
1000'
1000'
980'
970'
970'
960'
950'
940' 940'
930' 930'
920' 920'
910' 910'
900' 900'
890' 890'
1220'
1210'
1210'
1200' 1200'
1190' 1190'
1180' 1180'
1170'
1170'
1160' 1160'
1150' 1150'
1090' 1090'
1080'
1080'
1070'
1070'
1060'
1060'
1050'
1050'
1040'
1040'
1030'
1030'
1020'
1020'
1010' 1010'
1000'
1000'
990'
990'
980' 980'
970' 970'
960' 960'
950'
950'
1130' 1130'
1120' 1120'
1110'
1110'
1300'
1300'
1280'
1280'
1270'
1270'
1260'
1260'
1250'
1250'
1240'
1240'
1230'
1230'
1210'
1210'
1200'
1200'
1190'
1190'
1180' 1180'
1170'
1170'
1160' 1160'
1150' 1150'
1140' 1140'
1130' 1130'
1120'
1120'
1110' 1110'
1100'
1100'
1090'
1090'
1080'
1080'
1070'
1070'
1060' 1060'
1310' 1310'
1300' 1300'
1290' 1290'
1270' 1270'
1260' 1260'
1250' 1250'
1230'
1230'
1210' 1210'
1200' 1200'
1180' 1180'
1170'
1170'
1240' 1240'
1220'
1220'
1190'
1190'
1100'
1100'
1090' 1090'
1080' 1080'
1070'
1070'
1060' 1060'
1050' 1050'
1040' 1040'
1030' 1030'
1020' 1020'
1010' 1010'
1000' 1000'
990' 990'
980'
980'
960' 960'
1050' 1050'
1040' 1040'
1030'
1030'
1020'
1020'
1010' 1010'
1000' 1000'
990' 990'
980' 980'
970' 970'960'
960'
950' 950'
940'
940'
1250'
1250'
1240'
1240'
1230'
1230'
1220' 1220'
1210' 1210'
1200' 1200'
1190' 1190'
1180'
1180'
1170'
1170'
1160'
1160'
1210' 1210'
1200' 1200'
1180' 1180'
1170' 1170'
1160'
1160'
1150'
1150'
1140' 1140'
1130'
1130'
1120'
1120'
1190' 1190'
1110'
1110'
1100'
1100'
1150' 1150'
1140'
1140'
1130'
1120'
1110'
1100'
1090'
1090'
1080'
1080'
1070' 1070'
1060'
1060'
1040'
1050' 1050'
1030' 1030'
1040'
1010' 1010'
1020'
1020'
1040' 1040'
1030'1030'
1030'
1030'
1020'
1020'
1040'
1040'
1020' 1020'
1030'
1030'
1020' 1020'
940'
940'
930'
930'
930' 930'
910' 910'
920' 920'
940' 940'
930'
930'
880' 880'
870'
870'
1310' 1310'
1020'
1020'
990'
990'
1140'
1140'
940'
940'
1290'
1290'
1280' 1280'
970'
950' 950'
1070' 1070'
1060'
1060'
1270' 1270'
1260'
1260'
1050'
1050'
1030' 1030'
1190'
1190'
1030'
1030'
940'
940'
940' 940'
940' 940'
1310'
1310'
1210' 1210'
1180'
1180'
1170' 1170'
1160'
1050'
1050'
1010'
1010'
960' 960'
950' 950'
940' 940'
920' 920'
900' 900'
S.D. COUNTY S.D. COUNTY
W:\17729_SanMarcosDMP\GIS\DeliverableMaps\SMDMP_D_RecFac_Maps_11x17.mxd City of San Marcos - Drainage Master Plan

APPENDIX D
Recommended Improvements - Sheet 219
Major River / Stream
Sub-Catchments
Existing Inventory
#* Channel Confluence
"/ Cleanout
$1 Curb Inlet
$1 Curb Outlet
!( Detention Basin
"/ Inlet
"/ Outlet
$+ Other
2! Separator
l? Outfalls
$ Culvert
$ Channel wider than 5 ft
$ Ditch less than 5 ft wide
$ Elliptical
$ Natural Channel
$ Storm Main
Channel / Ditch Transects
2-YR Flood Inundation
10-YR Flood Inundation
50-YR Flood Inundation
100-YR Flood Inundation
Surcharging Junctions
Recommended Storm Drain
New
Replace
FEMA NFHL Floodplain
100-YR Floodway
100-YR Floodplain
April, 2019
Map Legend
Source: City of San Marcos, Rick Engineering Company,
SANGIS/USGS Aerial Imagery: 11/2014
0 200 400
Scale in Feet [
North
SEE SHEET 212
SEE SHEET 226
SEE SHEET 218SEE SHEET 220

PRIVATE RD

PPRRIIVVAATTEE DDYY

N TWIN OAKS VALLEY RD N TWIN OAKS VALLEY RD
INLT11181 DEER SPRINGS RD DEER SPRINGS RD
1170' 1170'
1160' 1160'
1150' 1150'
1140'
1140'
1130'
1130'
1120'
1120'
1110'
1110'
1100' 1100'
1090' 1090'
1080'
1080'
1070'
1070'
1060' 1060'
1050'
1050'
1040'
1040'
1030'
1030'
1020'
1020'
1010'
1010'
1000'
1000'
990'
990'
980'
980'
970'
970'
960'
960'
950'
950'
940'
940'
930'
930'
920' 920'
910' 910'
900' 900'
890'
890'
880' 880'
870' 870'
860' 860'
850'
850'
840'
840'
830' 830'
820' 820'
810'
810'
800'
800'
790'
790'
780' 780'
770'
770'
760'
760'
1000' 1000'
990'
990'
980'
980'
970' 970'
960'
960'
950' 950'
930'
930'
920'
920'
910' 910'
900' 900'
890' 890'
880'
880'
870' 870'
860'
860'
850'
850'
840'
840'
830'
830'
820'
820'
810'
810'
800' 800'
1200'
1200'
1190'
1190'1180'
1180'
1170' 1170'1160'
1160'
1150' 1150'
1140'
1140'
1130'
1130'
1030'
1030'
1010' 1010'
1120'
1120'
1110'
1100'
1100'
780'
780'
770' 770'
760' 760'
750'
750'
1070'
1070'
1060' 1060'
1010' 1010'
1000'
1000'
740' 740'
730' 730'
1030'
1030'
1020'
1020'
750'
750'
740'
740'
740' 740'
730' 730'
740' 740'
730' 730'
740'
740'
730'
730'
1010'
1010'
940' 940'
1020' 1020'
790' 790'
740' 740'

SAN MARCOS SAN MARCOS
S.D. COUNTY S.D. COUNTY
W:\17729_SanMarcosDMP\GIS\DeliverableMaps\SMDMP_D_RecFac_Maps_11x17.mxd City of San Marcos - Drainage Master Plan

APPENDIX D
Recommended Improvements - Sheet 220
Major River / Stream
Sub-Catchments
Existing Inventory
#* Channel Confluence
"/ Cleanout
$1 Curb Inlet
$1 Curb Outlet
!( Detention Basin
"/ Inlet
"/ Outlet
$+ Other
2! Separator
l? Outfalls
$ Culvert
$ Channel wider than 5 ft
$ Ditch less than 5 ft wide
$ Elliptical
$ Natural Channel
$ Storm Main
Channel / Ditch Transects
2-YR Flood Inundation
10-YR Flood Inundation
50-YR Flood Inundation
100-YR Flood Inundation
Surcharging Junctions
Recommended Storm Drain
New
Replace
FEMA NFHL Floodplain
100-YR Floodway
100-YR Floodplain
April, 2019
Map Legend
Source: City of San Marcos, Rick Engineering Company,
SANGIS/USGS Aerial Imagery: 11/2014
0 200 400
Scale in Feet [
North
SEE SHEET 213
SEE SHEET 227
SEE SHEET 219SEE SHEET 221

DEER SPRINGS RD DEER SPRINGS RD

SSYYCCAAMMOORREE DDRR

PPRRIIVVAATTEEDDYY

MARILYN LN
880' 880'
870' 870'
860' 860'
850' 850'
840' 840'
830' 830'
820' 820'
810' 810'
800' 800'
790' 790'
780' 780'
770' 770'
760' 760'
750' 750'
740' 740'
870' 870'
860' 860'
850' 850'
840' 840'
830' 830'
820' 820'
810' 810'
800' 800'
790' 790'
780' 780'
770' 770'
760' 760'
830' 830' 820' 820' 810' 810'
800' 800'
790'
740' 740'
730' 730'
740'
730' 730'
880' 880'
870' 870'
730' 730'
720' 720'
750' 750'
720' 720'
860' 860' 810' 810'
720' 720'
720' 720'
720' 720'
720' 720'

SAN MARCOS SAN MARCOS
S.D. COUNTY S.D. COUNTY
W:\17729_SanMarcosDMP\GIS\DeliverableMaps\SMDMP_D_RecFac_Maps_11x17.mxd City of San Marcos - Drainage Master Plan

APPENDIX D
Recommended Improvements - Sheet 221
Major River / Stream
Sub-Catchments
Existing Inventory #* Channel Confluence "/ Cleanout $1 Curb Inlet $1 Curb Outlet !( Detention Basin "/ Inlet "/ Outlet $+ Other 2! Separator l? Outfalls $ Culvert $ Channel wider than 5 ft $ Ditch less than 5 ft wide $ Elliptical $ Natural Channel $ Storm Main Channel / Ditch Transects
2-YR Flood Inundation
10-YR Flood Inundation
50-YR Flood Inundation
100-YR Flood Inundation
Surcharging Junctions
Recommended Storm Drain
New
Replace
FEMA NFHL Floodplain
100-YR Floodway
100-YR Floodplain
April, 2019
Map Legend
Source: City of San Marcos, Rick Engineering Company,
SANGIS/USGS Aerial Imagery: 11/2014
0 200 400
Scale in Feet
[
North
SEE SHEET 214
SEE SHEET 228
SEE SHEET 220SEE SHEET 222
1350' 1350'
1360'
1360'
1320'
1320'
1330' 1330'
1340' 1340'
1300' 1300'
1310' 1310'
1250' 1250'
1260' 1260'
1270'
1270'
1280' 1280'
1290' 1290'
1230'
1230'
1240'
1240'
1200' 1200'
1210'
1210'
1220'
1220'
1190' 1190'
1180' 1180'
1130' 1130'
1140' 1140'
1150'
1150'
1160' 1160'
1090'
1090'
1100' 1100'
1110'
1110'
1120'
1120'
1060' 1060'
1070' 1070'
1080' 1080'
1020'
1020'
1030' 1030'
1040'
1040'
1050' 1050'
1000' 1000'
1010' 1010'
960'
960'
970'
970'
980'
980'
990'
990'
920' 920'
930' 930'
940' 940'
950'
950'
880'
880'
890'
890'
900' 900'
910'
910'
860' 860'
870'
870'
850' 850'
830'
820'
820'
1340' 1340'
1330' 1330'
1320'
1320'
1310'
1310' 1300'
1300'
1290'
1290' 1280' 1280'
1270' 1270' 1260'
1250'
1250'
1240'
1230' 1230'
1220' 1220'
1210' 1210'
1200' 1200'
1190' 1190'
1180' 1180'
1170'
1170'
1150'
1150'
1140'
1140'
1130'
1120' 1120'
1110'
1110'
1090'
1090'
1080'
1080'
1070' 1070'
1060'
1060'
1050' 1050'
1040' 1040'
1030'
1030'
1020' 1020'
1010' 1010'
1000' 1000'
990'
990'
980' 980'
970' 970'
960' 960'
950' 950'
940'
940'
930'
920' 920'
910' 910'
900'
900' 890'
870' 870'
880'
890' 890'
880' 880'
870'
870'
860' 860'
850'
850'
840' 840'
830' 830'
820'
820'
810' 810'
870' 870'
860' 860'
840'
840'
830'
830'
820'
820'
810' 810'
790' 790'
850' 850'
800'
800'
850' 850'
840' 840'
830'
830'
820'
820'
810'
810'
800'
800'
890' 890'
880' 880'
870' 870'
860' 860'
850' 850'
840'
840'
1260' 1260'
1270' 1270'
1280' 1280'
1250' 1250'
1120'
1120'
1110' 1110'
1100' 1100'
1090' 1090'
1340'
1340'
1320'
1320'
1330'
1330'
1120' 1120'
1110'
1110'
1100'
1100'
830'
820' 820'
810'
810'
800'
800'
1400'
1390'
1390'
1350' 1350'
1330'
1320'
1320'
1310' 1310'
1190'
1190'
1180'
1180'
830'
830'
820'
820'
820' 820'
810'
810'
1370'
1370'
1360' 1360'
1120'
1120'
1110' 1110'
840'
840'
830' 830'
810'
810'
800' 800'
800'
800'
790' 790'
1370' 1370'
1380'
1380'
1170'
1170'
840' 840'
790' 790'
1350' 1350'
1160' 1160'
1100'
860' 860'
850'
1210'
1210'
1200' 1200'
820'
1310'
1310'
810' 810'
810'
810' 810' 810'
1290'
1290'
1220'
1220'
1120' 1120'
1110'
1020'
1020'
810' 810'
800' 800'
790'
790'
1350'
1350'
S.D. COUNTY S.D. COUNTY
W:\17729_SanMarcosDMP\GIS\DeliverableMaps\SMDMP_D_RecFac_Maps_11x17.mxd City of San Marcos - Drainage Master Plan

APPENDIX D
Recommended Improvements - Sheet 222
Major River / Stream
Sub-Catchments
Existing Inventory
#* Channel Confluence
"/ Cleanout
$1 Curb Inlet
$1 Curb Outlet
!( Detention Basin
"/ Inlet
"/ Outlet
$+ Other
2! Separator
l? Outfalls
$ Culvert
$ Channel wider than 5 ft
$ Ditch less than 5 ft wide
$ Elliptical
$ Natural Channel
$ Storm Main
Channel / Ditch Transects
2-YR Flood Inundation
10-YR Flood Inundation
50-YR Flood Inundation
100-YR Flood Inundation
Surcharging Junctions
Recommended Storm Drain
New
Replace
FEMA NFHL Floodplain
100-YR Floodway
100-YR Floodplain
April, 2019
Map Legend
Source: City of San Marcos, Rick Engineering Company,
SANGIS/USGS Aerial Imagery: 11/2014
0 200 400
Scale in Feet [
North
SEE SHEET 215
SEE SHEET 229
SEE SHEET 221SEE SHEET 223

PPRRIIVVAATTEE RRDD

PPRRIIVVAATT EE
RRDD

PPRRIIVVAATTEE RRDD
1500'
1500'
1490'
1490'
1480'
1480'
1470'
1470'
1450' 1450'
1440' 1440'
1430' 1430'
1420' 1420'
1410' 1410'
1400' 1400'
1390' 1390'
1380' 1380'
1370' 1370'
1350' 1350'
1340' 1340'
1330'
1330'
1320'
1320'
1270' 1270'
1490' 1490'
1480'
1480'
1470' 1470'
1460'
1460'
1450'
1450'
1430' 1430'
1420'
1420'
1410'
1410'
1400'
1400'
1390'
1390'
1380'
1380'
1370'
1370'
1360'
1360'
1350'
1350'
1340' 1340'
1330' 1330'
1320'
1320'
1310' 1310'
1440' 1440'
1430' 1430'
1420' 1420'
1410' 1410'
1390'
1390'
1380' 1380'
1360' 1360'
1370' 1370'
1350' 1350'
1340' 1340'
1330' 1330'
1350'
1350'
1340' 1340'
1330' 1330'
1320'
1320'
1310'
1310'
1300'
1300'
1250'
1260'
1270'
1270'
1240' 1240'
1530' 1530'
1520'
1520'
1510' 1510'
1500' 1500'
1490' 1490'
1480'
1480'
1470' 1470'
1460' 1460'
1450'
1450'
1440'
1440'
1480' 1480'
1450'
1450'
1440' 1440'
1430'
1430'
1420'
1420'
1410'
1410'
1400'
1400'
1470' 1470'
1460'
1480'
1480'
1460'
1440'
1440'
1430'
1420'
1490' 1490'
1480' 1480'
1470'
1470'
1460'
1460'
1450' 1450'
1440' 1440'
1350' 1350'
1340' 1340'
1330' 1330'
1320'
1320'
1310' 1310'
1330'
1330'
1320'
1320'
1310' 1310'
1300' 1300'
1290'
1290'
1310' 1310'
1300'
1300'
1290'
1280'
1520' 1520'
1510'
1510'
1500'
1500'
1490' 1490'
1480'
1480'
1500' 1500'
1490'
1490'
1480'
1480'
1460' 1460'
1450'
1450'
1420'
1420'
1410'
1410'
1400'
1400'
1390'
1390'
1380' 1380'
1370' 1370'
1360' 1360'
1350' 1350'
1500'
1500'
1480'
1410'
1410'
1400' 1400'
1410' 1410'
1400' 1400'
1370'
1360'
1360'
1480'
1470'
1470'
1490'
1490'
1480'
1480'
1460' 1460'
1450'
1450'
1450' 1450'
1430'
1430'
1350'
1350'
1340' 1340'
1350'
1350'
1340' 1340'
1310' 1310'
1320' 1320'
1320'
1320'
1310'
1310'
1410'
1410'
1400' 1400'
1330' 1330'
1320' 1320'
1330'
1330'
1320' 1320'
1460'
1460'
1360'
1360'
1310' 1310' 1290'
1300'
1300'
1500' 1500'
1440'
1440'
1300' 1300'
1400' 1400'
1290' 1290'
1280' 1280'
1540'
1540'
1470'
1430'
1430'
1490' 1490'
1470' 1470'
1400' 1400'
1410'
1410'
1520'
1520'
1510' 1510'
1440'
1440'
1430' 1430'
1360' 1360'
1370' 1370'
1340'
1340'
1340' 1340'
1310' 1310'
1300' 1300'
1280'
1280'
1270' 1270'
1530' 1530'
1520' 1520'
1520'
1520'
1500'
1500'
1480'
1480'
1440'
1440'
1400' 1400'
1390'
1390'
1370' 1370'
1340' 1340'
1340' 1340'
1340' 1340'
1330'
1330'
1280' 1280' 1270' 1270'
1350'
1350'
S.D. COUNTY S.D. COUNTY
W:\17729_SanMarcosDMP\GIS\DeliverableMaps\SMDMP_D_RecFac_Maps_11x17.mxd City of San Marcos - Drainage Master Plan

APPENDIX D
Recommended Improvements - Sheet 223
Major River / Stream
Sub-Catchments
Existing Inventory
#* Channel Confluence
"/ Cleanout
$1 Curb Inlet
$1 Curb Outlet
!( Detention Basin
"/ Inlet
"/ Outlet
$+ Other
2! Separator
l? Outfalls
$ Culvert
$ Channel wider than 5 ft
$ Ditch less than 5 ft wide
$ Elliptical
$ Natural Channel
$ Storm Main
Channel / Ditch Transects
2-YR Flood Inundation
10-YR Flood Inundation
50-YR Flood Inundation
100-YR Flood Inundation
Surcharging Junctions
Recommended Storm Drain
New
Replace
FEMA NFHL Floodplain
100-YR Floodway
100-YR Floodplain
April, 2019
Map Legend
Source: City of San Marcos, Rick Engineering Company,
SANGIS/USGS Aerial Imagery: 11/2014
0 200 400
Scale in Feet [
North
SEE SHEET 216
SEE SHEET 230
SEE SHEET 222SEE SHEET 224

PRIVATE RD

JJEESS MMOONNDD DDEENNEE RRDD

PPRRIIVVAATTEE
RRDD

NN CCEENNTTRREE CCIITTYY PPYY

PPRRIIVVAATTEE
RRDD

PRIVATE RD

WWIINN DDSSOONNGG LLNN

MMEESSAA RR OOCC KK RRDD

RRAANNCCHHOO LLUUIISSEENNOO
RRDD
§¨¦15
1500' 1490' 1480' 1470' 1460' 1450' 1440' 1430' 1420' 1400' 1390' 1380' 1370' 1360' 1360'
1340' 1340'
1330' 1330' 1320' 1320' 1310' 1310' 1300' 1300' 1290' 1290' 1280' 1280' 1270' 1260' 1250' 1240' 1230' 1220' 1210'
1450' 1440' 1440' 1400' 1400' 1390' 1390' 1380' 1380' 1370' 1370' 1360' 1360' 1350' 1350' 1340' 1330' 1320' 1320' 1310' 1310' 1300' 1300' 1290' 1290' 1280' 1280' 1270' 1270' 1260' 1260' 1250' 1220' 1210' 1200' 1190' 1180' 1170' 1170' 1160'
1150' 1150' 1140' 1140'
1130' 1130'
1120' 1120'
1110' 1110'
1100' 1100'
1090' 1090'
1080' 1080'
1070' 1070'
1060' 1060'
1310' 1310'
1300' 1300'
1280' 1280' 1270' 1270' 1260' 1260'
1520' 1520' 1510' 1510'
1530' 1530'
1520' 1520'
1470' 1470' 1460' 1460'
1440' 1440' 1430' 1430' 1420' 1420'
1410' 1410'
1350' 1350'
1430' 1430'
1410' 1410'
1240' 1240'
1230' 1230'
1510' 1510'
1440' 1440'
1250' 1250'
S.D. COUNTY S.D. COUNTY
W:\17729_SanMarcosDMP\GIS\DeliverableMaps\SMDMP_D_RecFac_Maps_11x17.mxd City of San Marcos - Drainage Master Plan

APPENDIX D
Recommended Improvements - Sheet 224
Major River / Stream
Sub-Catchments
Existing Inventory #* Channel Confluence "/ Cleanout $1 Curb Inlet $1 Curb Outlet !( Detention Basin "/ Inlet "/ Outlet $+ Other 2! Separator l? Outfalls $ Culvert $ Channel wider than 5 ft $ Ditch less than 5 ft wide $ Elliptical $ Natural Channel $ Storm Main Channel / Ditch Transects
2-YR Flood Inundation
10-YR Flood Inundation
50-YR Flood Inundation
100-YR Flood Inundation
Surcharging Junctions
Recommended Storm Drain
New
Replace
FEMA NFHL Floodplain
100-YR Floodway
100-YR Floodplain
April, 2019
Map Legend
Source: City of San Marcos, Rick Engineering Company,
SANGIS/USGS Aerial Imagery: 11/2014
0 200 400
Scale in Feet
[
North
SEE SHEET 217
SEE SHEET 231
SEE SHEET 223

VVIIAA CCOONNCCAA DDOORROO

SSAALLEEMMSSTT

EEMMMMAA RRDD

VVAIAI RRAANNCCHHOO PPAACCIFIF CICI AA

VIA PARADISO

PACIFIC VISTA WY PACIFIC VISTA WY
1160'
1160'
1150'
1150'
1140' 1140'
1130' 1130'
1120'
1120'
1110'
1090' 1090'
1080'
1080'
1070' 1070'
1060'
1060'
1050' 1050'
1040'
1040'
1030'
1030'
1020' 1020'
1010'
1010'
1000'
990' 990'
980' 980'
970'
970'
960' 960'
950' 950'
940' 940'
930' 930'
920'
920'
900'
900'
890'
890'
880' 880'
1170'
1170'
1100' 1100'
870'
860'
850' 850'
840'
840'
1120'
1110'
1100'
1090'
1080'
1070' 1070'
1060'
1050'
1050'
1030'
1020'
1020'
1010'
1010'
1000'
990'
980'
970' 970'
960'
950'
940' 940'
1140'
1130'
1130'
1120' 1120'
1110'
1100'
1090'
1080'
1070'
1070'
1060' 1060'
1050' 1050'
1040'
1040'
1030'
1020'
1010'
940' 940'
930'
920'
910'
900' 900'
890' 890'
880' 880'
870'
870'
860' 860'
850'
840' 840'
1050' 1050'
1040' 1040'
1030' 1030'
1020'
1020'
1010'
1010'
1000'
1000'
990' 990'
980' 980'
930'
920'
910'
900'
890'
980'
970'
960'
950'
1050'
1040'
1030'
1030'
820' 820'
810' 810'
800'
800'
1160' 1160'
1150' 1150'
1020'
1010'
960'
960'
950' 950'
940' 940'
770'
770'
760'
760'
790'
790'
780' 780'
1160' 1160'
1150'
1150'
1140'
1140'
1130'
1060'
1060'
1040' 1040'
1050'
1050'
850' 850'
840' 840'
790'
790'
780'
780'
870'
870'
860'
860'
830'
820'
820'
810'
810'
800' 800'
910' 910'
820' 820'
810'
810'
1040'
1040'
1000'
1000'
830'
830'
970' 970'
830'
830'
1000' 1000'
940'
940'
930'
850' 850'
1180' 1180'
1000' 1000'
990'
990'
900' 900'
870'
870'
800'
800' 800'
780' 780'
760' 760'
770'
770'
S.D. COUNTY S.D. COUNTY
W:\17729_SanMarcosDMP\GIS\DeliverableMaps\SMDMP_D_RecFac_Maps_11x17.mxd City of San Marcos - Drainage Master Plan

APPENDIX D
Recommended Improvements - Sheet 225
Major River / Stream
Sub-Catchments
Existing Inventory
#* Channel Confluence
"/ Cleanout
$1 Curb Inlet
$1 Curb Outlet
!( Detention Basin
"/ Inlet
"/ Outlet
$+ Other
2! Separator
l? Outfalls
$ Culvert
$ Channel wider than 5 ft
$ Ditch less than 5 ft wide
$ Elliptical
$ Natural Channel
$ Storm Main
Channel / Ditch Transects
2-YR Flood Inundation
10-YR Flood Inundation
50-YR Flood Inundation
100-YR Flood Inundation
Surcharging Junctions
Recommended Storm Drain
New
Replace
FEMA NFHL Floodplain
100-YR Floodway
100-YR Floodplain
April, 2019
Map Legend
Source: City of San Marcos, Rick Engineering Company,
SANGIS/USGS Aerial Imagery: 11/2014
0 200 400
Scale in Feet [
North
SEE SHEET 218
SEE SHEET 232
SEE SHEET 226

TTAAMMAARRAA LLNN

PPRR VIVI AATTEERRDD

PRIVATE RD PRIVATE RD

PPRRIIVVAATTEEDDYY

PPAA CCIIFFIICC VVIISSTTAA WW
YY

NN TTWWIINN OOAAKKSSVVAALLLLEEYY RRDD
1220' 1220'
1210' 1210'
1200' 1200'
1190'
1190'
1180' 1180'
1170' 1170'
1160' 1160'
1150'
1150'
1140' 1140'
1130' 1130'
1120'
1120'
1110' 1110'
1100' 1100'
1090' 1090'
1080' 1080'
1070'
1070'
1060'
1060'
1050' 1050'
1040'
1040'
1030' 1030'
1020' 1020'
1010' 1010'
990' 990'
980' 980'
970'
970'
960'
960'
950'
950'
940' 940'
910' 910'
900'
900'
890' 890'
880'
880'
870'
870'
860'
860'
850'
850'
840' 840'
830' 830'
820'
820'
810' 810'
1140' 1140'
1130'
1130'
1120'
1120'
1110'
1110'
1100' 1100'
1090' 1090'
1080' 1080'
1070' 1070'
1060' 1060'
1050' 1050'
1040' 1040'
1030' 1030'
1020' 1020'
1010' 1010'
1000' 1000'
990' 990'
980' 980'
970' 970' 960' 960'
940'
930' 930'
920' 920'
910' 910'
900'
900'
890'
880'
870'
1200'
1200'
1190' 1190'
1180'
1180'
1170' 1170'
950'
860'
860'
1160'
1160'
1150' 1150'
1140'
1140'
1130'
1130'
1120'
1120'
1110'
1110'
1100' 1100'
1090'
1090'
1080'
1080'
1070'
1070'
1060'
1060'
1050'
1050'
1040' 1040'
1030' 1030'
1020' 1020'
1010' 1010'
1000'
1000'
990'
990'
980'
980'
970'
970'
960'
960'
950'
950'
940'
940'
930'
930'
920' 920'
1180' 1180'
1170'
1170'
1160'
1160'
1150'
1150'
1140' 1140'
1130' 1130'
1120'
1120'
1110'
1110'
1100' 1100'
1090'
1090'
1080'
1080'
1070'
1070'
1060'
1060'
1050'
1050'
1040'
1040'
1030' 1030'
1020' 1020'
1010'
1010'
1220'
1220'
1210'
1210'
1200' 1200'
1190'
1190'
1180'
1180'
1170'
1170'
1160'
1160'
1150'
1150'
1140' 1140'
1130'
1130'
1120' 1120'
1110'
1100'
1100'
1090'
1080'
1180' 1180'
1170'
1170'
1160' 1160'
1150' 1150'
960' 960'
950'
950'
940' 940'
930' 930'
920' 920'
1020'
1030'
1030'
1010'
1010'
1020'
910' 910'
900'
900'
890'
890'
880' 880'
900'
900'
890' 890'
880' 880'
1210' 1210'
1200' 1200'
1210'
1200' 1200'
1190'
1190'
1190'
1190'
1180'
1180'
1190' 1190'
1180'
1180'
1170' 1170'
1060'
1060'
1070'
1070'
920'
920'
910'
910'
1240' 1240'
1230' 1230'
1220' 1220'
1180'
1180'
1170' 1170'
840'
840'
830' 830'
1230' 1230'
1220' 1220'
1000' 1000'
930' 930'
1210'
850' 850'
830'
830'
1190'
1190'
1180' 1180'
1170'
1170'
1170' 1170'
1170'
1230'
1230'
1200'
1190'
1190'
1130'
980' 980'
970'
970'
830'
800'
800'
800'
S.D. COUNTY S.D. COUNTY
W:\17729_SanMarcosDMP\GIS\DeliverableMaps\SMDMP_D_RecFac_Maps_11x17.mxd City of San Marcos - Drainage Master Plan

APPENDIX D
Recommended Improvements - Sheet 226
Major River / Stream
Sub-Catchments
Existing Inventory
#* Channel Confluence
"/ Cleanout
$1 Curb Inlet
$1 Curb Outlet
!( Detention Basin
"/ Inlet
"/ Outlet
$+ Other
2! Separator
l? Outfalls
$ Culvert
$ Channel wider than 5 ft
$ Ditch less than 5 ft wide
$ Elliptical
$ Natural Channel
$ Storm Main
Channel / Ditch Transects
2-YR Flood Inundation
10-YR Flood Inundation
50-YR Flood Inundation
100-YR Flood Inundation
Surcharging Junctions
Recommended Storm Drain
New
Replace
FEMA NFHL Floodplain
100-YR Floodway
100-YR Floodplain
April, 2019
Map Legend
Source: City of San Marcos, Rick Engineering Company,
SANGIS/USGS Aerial Imagery: 11/2014
0 200 400
Scale in Feet [
North
SEE SHEET 219
SEE SHEET 233
SEE SHEET 225SEE SHEET 227

SSOOLLAARR LLNN
EE

VVIISSTTAA

MMEERRRRIIAAMM

TRES ENCINOS TRES ENCINOS

NN TTWWIINNOOAAKKSS VVAALLLLEEYY RRDD

PRIVATE RD PRIVATE RD
WW

VVIISSTTAA

MMEERRRRIIAAMM
1130' 1130' 1120' 1120' 1110' 1110' 1100' 1100' 1090' 1090' 1080' 1080' 1070' 1070' 1060' 1060' 1050' 1050' 1040' 1040' 1030' 1030' 1020' 1020' 1010' 1010' 1000' 1000' 990' 990' 980' 980' 970' 970' 960' 960' 890' 890' 880' 880' 870' 870' 860' 860' 850' 850' 840' 840' 900' 900'
830'
820'
810' 810' 800'
790' 790'
1170' 1170'
1150' 1150'
1140' 1140'
910' 910'
900' 900'
890' 890'
880' 880'
870' 870'
860' 860'
850' 850'
840' 840'
830' 830'
820' 820'
810' 810'
800' 800'
790' 790'
780' 780'
770' 770'
960' 960' 950' 950' 940' 940' 930' 930' 920' 920'
910' 910'
820' 820' 800' 800' 790' 790' 780' 780'
1190' 1190'
1180' 1180'
1160' 1160'
1140' 1140' 1130' 1130' 1120' 1120' 1110' 1110'
790' 790'
780'
780'
770' 770'
760' 760' 750' 750'
770' 770'
760' 760'
760' 760'
750' 750'
1180' 1180' 1170' 1170'
790' 790'
780' 780'
950' 950'
940' 940'
930' 930'
920' 920'
900' 900'
810' 810'
860' 860'
1130' 1130'
900' 900'
810' 810'
790'
790'
780' 780'
770'
770' 770' 770'
740' 740'
S.D. COUNTY S.D. COUNTY
W:\17729_SanMarcosDMP\GIS\DeliverableMaps\SMDMP_D_RecFac_Maps_11x17.mxd City of San Marcos - Drainage Master Plan

APPENDIX D
Recommended Improvements - Sheet 227
Major River / Stream
Sub-Catchments
Existing Inventory #* Channel Confluence "/ Cleanout $1 Curb Inlet $1 Curb Outlet !( Detention Basin "/ Inlet "/ Outlet $+ Other 2! Separator l? Outfalls $ Culvert $ Channel wider than 5 ft $ Ditch less than 5 ft wide $ Elliptical $ Natural Channel $ Storm Main Channel / Ditch Transects
2-YR Flood Inundation
10-YR Flood Inundation
50-YR Flood Inundation
100-YR Flood Inundation
Surcharging Junctions
Recommended Storm Drain
New
Replace
FEMA NFHL Floodplain
100-YR Floodway
100-YR Floodplain
April, 2019
Map Legend
Source: City of San Marcos, Rick Engineering Company,
SANGIS/USGS Aerial Imagery: 11/2014
0 200 400
Scale in Feet
[
North
SEE SHEET 220
SEE SHEET 234
SEE SHEET 226SEE SHEET 228

DEER SPRINGS RD DEER SPRINGS RD

SSAARRVVEERR LLNN

PRIVATE RD PRIVATE RD

PPRRIIVVAATTEE RRDD

NN DDEEEERR SSPPRRIINNGGSS PPLL PRIVATE RD PRIVATE RD

SSAARRVVEERR LLNN

E VISTA MERRIAM

PRIVATE RD PRIVATE RD
870' 870' 860' 860'
850' 850'
840' 840'
830' 830'
820' 820'
810' 810'
800' 800'
780' 780'
880' 880'
790' 790'
770' 770'
860' 860'
850' 850' 840' 840'
830' 830'
820' 820'
810' 810'
800'
790' 790'
780' 780'
770' 770'
870' 870'
860'
860' 850' 850' 840' 840' 830' 830'
820'
820'
780' 780'
770' 770'
760' 760'
790' 790' 780' 780' 770' 770' 760' 760'
860' 860'
850' 850'
840' 840'
760' 760'
750' 750'
760' 760'
760' 760'
830' 830'
790' 790'
790' 790'
770' 770'
760' 760'
740'
740'
740' 740'
S.D. COUNTY S.D. COUNTY
W:\17729_SanMarcosDMP\GIS\DeliverableMaps\SMDMP_D_RecFac_Maps_11x17.mxd City of San Marcos - Drainage Master Plan

APPENDIX D
Recommended Improvements - Sheet 228
Major River / Stream
Sub-Catchments
Existing Inventory #* Channel Confluence "/ Cleanout $1 Curb Inlet $1 Curb Outlet !( Detention Basin "/ Inlet "/ Outlet $+ Other 2! Separator l? Outfalls $ Culvert $ Channel wider than 5 ft $ Ditch less than 5 ft wide $ Elliptical $ Natural Channel $ Storm Main Channel / Ditch Transects
2-YR Flood Inundation
10-YR Flood Inundation
50-YR Flood Inundation
100-YR Flood Inundation
Surcharging Junctions
Recommended Storm Drain
New
Replace
FEMA NFHL Floodplain
100-YR Floodway
100-YR Floodplain
April, 2019
Map Legend
Source: City of San Marcos, Rick Engineering Company,
SANGIS/USGS Aerial Imagery: 11/2014
0 200 400
Scale in Feet
[
North
SEE SHEET 221
SEE SHEET 235
SEE SHEET 227SEE SHEET 229

PPRRIIVVAATTEE RRDD
DD
EEEERR

SSPPRRIINNGGSS
RRDD
1240' 1240' 1230' 1230' 1220' 1220' 1210' 1210' 1200' 1200' 1190' 1190' 1180' 1180' 1160' 1160' 1150' 1150' 1140' 1140' 1130' 1130'
1120' 1120'
1110' 1110'
1100' 1100'
1090' 1090'
1080' 1080'
1070' 1070'
1060' 1060'
1050' 1050'
1040' 1040'
1030' 1030'
1020' 1020'
1010' 1010'
1000' 1000'
990' 990'
980' 980'
970' 970'
960' 960'
950' 950'
940' 940' 930' 930'
920' 920'
910' 910'
900' 900'
890' 890'
860' 860'
850' 850'
840' 840'
810' 810'
800' 800'
790' 790'
780' 780'
1070' 1070'
1060' 1060'
1050' 1050' 1040' 1040'
1030' 1030'
1020' 1020'
1010' 1010'
990' 990' 1000' 1000'
970' 970'
940'
950' 950' 960' 960'
920'
930' 930'
940'
900' 900'
910' 910'
920'
890' 890' 880' 880' 870' 870' 860' 860' 850' 850'
830' 830'
840' 840'
820' 820'
880' 880'
860' 860'
850' 850'
840' 840'
830' 830'
820' 810' 810' 830' 830' 820' 820' 810' 810' 790' 790' 780' 780' 770'
770'
840' 840'
800' 800'
830' 830'
820' 820'
800' 800'
790' 790' 780' 780'
770' 770'
760' 760'
820' 820' 810' 810' 800' 800' 790' 790' 780' 780' 770' 770' 890' 890' 880' 880' 870' 870' 860' 860' 850' 850'
840' 840'
830' 830'
820' 820'
1250' 1250' 1240' 1240' 1230' 1230'
850' 850' 840' 830' 830' 820' 820'
810' 810' 800' 800' 790' 790'
1130' 1130' 1120' 1120'
870' 870'
860'
830' 830' 820' 820'
820' 820' 810' 810' 800' 800'
1080' 1080'
1090' 1090'
870' 870'
880' 880'
790' 790'
770' 770'
1290' 1290' 1280' 1280'
830' 830' 820' 820'
800'
790' 790'
1270' 1270'
1170' 1170'
880' 880'
870' 870'
980' 980'
760' 760'
1140'
830' 830'
780' 780'
860' 860'
860'
780' 780'
1230' 1230'
840' 840'
850'
790' 790'
760' 760'
S.D. COUNTY S.D. COUNTY
W:\17729_SanMarcosDMP\GIS\DeliverableMaps\SMDMP_D_RecFac_Maps_11x17.mxd City of San Marcos - Drainage Master Plan

APPENDIX D
Recommended Improvements - Sheet 229
Major River / Stream
Sub-Catchments
Existing Inventory #* Channel Confluence "/ Cleanout $1 Curb Inlet $1 Curb Outlet !( Detention Basin "/ Inlet "/ Outlet $+ Other 2! Separator l? Outfalls $ Culvert $ Channel wider than 5 ft $ Ditch less than 5 ft wide $ Elliptical $ Natural Channel $ Storm Main Channel / Ditch Transects
2-YR Flood Inundation
10-YR Flood Inundation
50-YR Flood Inundation
100-YR Flood Inundation
Surcharging Junctions
Recommended Storm Drain
New
Replace
FEMA NFHL Floodplain
100-YR Floodway
100-YR Floodplain
April, 2019
Map Legend
Source: City of San Marcos, Rick Engineering Company,
SANGIS/USGS Aerial Imagery: 11/2014
0 200 400
Scale in Feet
[
North
SEE SHEET 222
SEE SHEET 236
SEE SHEET 228SEE SHEET 230

PRIVATE RD PRIVATE RD

PPRRIIVVAATTEE RRDD

PPRRIIVVAATTEE RRDD

DEER SPRINGS RD

PPRRIVIVAATTEE RRDD

PRIVATE RD PRIVATE RD

PPRRIIVVAATTEE
RRDD
1380'
1380'
1370' 1370'
1360'
1360'
1350'
1350'
1340' 1340'
1330'
1330'
1320' 1320'
1310'
1310'
1300'
1300'
1290' 1290'
1280'
1280'
1270'
1270'
1260' 1260'
1250'
1250'
1240' 1240'
1230' 1230'
1220' 1220'
1210' 1210'
1200' 1200'
1190' 1190'
1180' 1180'
1170'
1170'
1160'
1160'
1150' 1150'
1140' 1140'
1130' 1130'
1120' 1120'
1110' 1110'
1100'
1100'
1090'
1090'
1080'
1080'
1070' 1070'
990' 990'
980' 980'
970'
970'
960' 960'
950' 950'
940' 940'
930'
930'
920' 920'
910'
910'
890' 890'
880'
880'
870' 870'
860'
860'
850'
850'
840' 840'
830'
830'
1050' 1050'
1040' 1040'
1030'
1030'
1020'
1020'
1010' 1010'
1000' 1000'
990'
990'
980' 980'
970' 970'
960'
960'
950' 950'
940'
940'
930' 930'
920' 920'
910' 910'
900'
900'
890'
890'
880'
880'
870' 870'
860' 860'
1150'
1140'
1140'
1130' 1130' 1120' 1120'
1110' 1110'
1100'
1100'
1090'
1090'
1080' 1080'
1070' 1070'
1060' 1060'
1050' 1050' 1040' 1040'
1030' 1030'
1020'
1020'
1010' 1010'
1000'
990'
990'
980'
980'
1230' 1230'
1220'
1220'
1210'
1210'
1200' 1200'
1190' 1190'
1180'
1180'
1170' 1170'
1160'
1150' 1150'
1130'
1130'
1120'
1120'
1110' 1110'
1100' 1100'
1090'
1090'
1080' 1080'
1070' 1070'
1060' 1060'
1050'
1050'
1340'
1340'
1330'
1330'
1320'
1320'
1310' 1310'
1270'
1270'
1260' 1260'
1300' 1300'
1290'
1290'
1280'
1280'
1250'
1250'
1240' 1240'
1370'
1370'
1360' 1360'
1350'
1350'
1340' 1340'
1330'
1320' 1320'
1300' 1300'
1110'
1110'
1100' 1100'
1090'
1090'
1080'
1080'
1070'
1070'
1060'
1050'
1120'
1120'
1110'
1110'
1100'
1100'
1090'
1090'
1080' 1080'
1090' 1090'
1080' 1080'
1070' 1070'
1060'
1060'
1050'
1050'
1040' 1040'
1380' 1380'
1370' 1370'
1360' 1360'
1350' 1350'
1340' 1340'
1340'
1340'
1330' 1330'
1320' 1320'
1310' 1310'
1300'
1300'
1120'
1120'
1110'
1110'
1100'
1100'
1090' 1090'
1080' 1080'
870'
860'
860'
850'
850'
840' 840'
1150'
1150'
1140'
1140'
1130'
1130'
1120' 1120'
1110' 1110'
1130'
1130'
1120'
1120'
1120'
1120'
1110' 1110'
1100'
1100'
1040' 1040'
1030'
1030'
1020'
1020'
1010' 1010'
1020' 1020'
1030' 1030'
1010'
1010'
1110' 1110'
1100'
1100'
1140'
1140'
1130' 1130'
1120'
1140'
1140'
1130'
1130'
1390' 1390'
1060' 1060'
1040' 1040'
1030' 1030'
1020' 1020'
1010' 1010'
1000' 1000'
900' 900'
850' 850'
840'
970'
970'
1140' 1140'
1350'
1350'
1310'
1310'
1130'
1130'
1140'
1140'
1130'
1130'
1130' 1130'
1130' 1130'
1090' 1090'
1340'
1270' 1270'
1270'
1090'
920'
920'
820'
820'
S.D. COUNTY S.D. COUNTY
W:\17729_SanMarcosDMP\GIS\DeliverableMaps\SMDMP_D_RecFac_Maps_11x17.mxd City of San Marcos - Drainage Master Plan

APPENDIX D
Recommended Improvements - Sheet 230
Major River / Stream
Sub-Catchments
Existing Inventory
#* Channel Confluence
"/ Cleanout
$1 Curb Inlet
$1 Curb Outlet
!( Detention Basin
"/ Inlet
"/ Outlet
$+ Other
2! Separator
l? Outfalls
$ Culvert
$ Channel wider than 5 ft
$ Ditch less than 5 ft wide
$ Elliptical
$ Natural Channel
$ Storm Main
Channel / Ditch Transects
2-YR Flood Inundation
10-YR Flood Inundation
50-YR Flood Inundation
100-YR Flood Inundation
Surcharging Junctions
Recommended Storm Drain
New
Replace
FEMA NFHL Floodplain
100-YR Floodway
100-YR Floodplain
April, 2019
Map Legend
Source: City of San Marcos, Rick Engineering Company,
SANGIS/USGS Aerial Imagery: 11/2014
0 200 400
Scale in Feet [
North
SEE SHEET 223
SEE SHEET 237
SEE SHEET 229SEE SHEET 231

PP RRIIVVAATTEE RR
DD

TTIIEERRRRAA LLIIBBEERRTTIIAA RRDD

PPRRIIVVAATTEE RRDD
NN
CC
EE
NN
TT
RREE

CCIITTYY
PPYY

SILVER TREE LN SILVER TREE LN

DARLING DR DARLING DR

PRIVATE RD PRIVATE RD

PRIVATE RD

DARLING DR DARLING DR

PRIVATE RD PRIVATE RD

PPRRIIVVAATTEE RRDD

WINDSONG LN

PPRRIIVVAATTEE RRDD

PPRRIVIVAATTEERRDD

PPRROOTTEEAA GGAARRDDEENNSS RRDD

MMEESSAA

RROOCCKK
RR DD
§¨¦15
1140' 1140'
1130' 1130'
1120'
1120'
1110'
1110'
1100'
1100'
1090'
1090'
1080'
1080'
1070' 1070'
1060'
1060'
1040' 1040'
1020' 1020'
1010' 1010'
1000' 1000'
990' 990'
980'
980'
970' 970'
1260' 1260'
1250'
1240'
1230'
1220' 1220'
1210'
1210'
1200' 1200'
1190'
1190'
1180'
1170'
1160'
1150' 1150'
1070'
1060'
1050'
1040'
1030'
1020' 1020'
1010'
1000' 1000'
1270' 1270'
1050'
1030' 1030'
1280'
1280'
1060' 1060'
1020'
1020'
1020'
1020'
1020'
1020'
1000'
1000'
S.D. COUNTY S.D. COUNTY
W:\17729_SanMarcosDMP\GIS\DeliverableMaps\SMDMP_D_RecFac_Maps_11x17.mxd City of San Marcos - Drainage Master Plan

APPENDIX D
Recommended Improvements - Sheet 231
Major River / Stream
Sub-Catchments
Existing Inventory
#* Channel Confluence
"/ Cleanout
$1 Curb Inlet
$1 Curb Outlet
!( Detention Basin
"/ Inlet
"/ Outlet
$+ Other
2! Separator
l? Outfalls
$ Culvert
$ Channel wider than 5 ft
$ Ditch less than 5 ft wide
$ Elliptical
$ Natural Channel
$ Storm Main
Channel / Ditch Transects
2-YR Flood Inundation
10-YR Flood Inundation
50-YR Flood Inundation
100-YR Flood Inundation
Surcharging Junctions
Recommended Storm Drain
New
Replace
FEMA NFHL Floodplain
100-YR Floodway
100-YR Floodplain
April, 2019
Map Legend
Source: City of San Marcos, Rick Engineering Company,
SANGIS/USGS Aerial Imagery: 11/2014
0 200 400
Scale in Feet [
North
SEE SHEET 224
SEE SHEET 238
SEE SHEET 230

VVISISTTAA

CCAANNYYOONN
CCRR

SALEM ST SALEM ST

EMMA RD EMMA RD

PPRRIIVVAATTEE RRDD

VVISISTTAA
RRIMIM
PPLL
1160'
1160'
1140' 1140'
1130' 1130'
1120' 1120'
1110'
1110'
1100' 1100'
1090' 1090'
1080' 1080'
1070'
1070'
1050' 1050'
1040' 1040'
1030' 1030'
1020' 1020'
1010' 1010'
1000' 1000'
990'
990'
980' 980'
970'
970'
960'
960'
950' 950'
940' 940'
930' 930'
920' 920'
910' 910'
900' 900'
890' 890'
880' 880'
870' 870'
1220' 1220'
1210'
1210'
1200'
1200'
1190' 1190'
1180' 1180'
1170'
1170'
1150' 1150'
1030'
1030'
1000' 1000'
1010' 1010'
970'
980' 980'
990' 990'
960'
970'
950'
960'
950'
930'
930'
940' 940'
920'
920'
910' 910'
900'
900'
1060'
1060'
1050' 1050'
1040'
1040'
1030'
1030'
1020'
1020'
1010' 1010'
1000' 1000'
990'
990'
980' 980'
970'
970'
1030'
1030'
1020'
1020'
1010'
1010'
1000'
1000'
990' 990'
980'
980'
970'
970'
960'
960'
950'
980' 980'
970' 970'
960' 960'
950' 950'
940'
940'
930'
930'
990'
990'
920' 920'
990'
990'
980' 980'
970' 970'
960'
960'
950'
950'
940'
940'
1090'
1090'
1080'
1080'
1070' 1070'
1060' 1060'
940'
940'
930' 930'
920' 920'
910'
910'
900' 900'
1150'
1150'
1160'
1160'
1140'
1140'
980'
980'
970'
970'
960' 960'
950'
950'
970'
970'
960'
960'
950'
950'
960' 960'
950' 950'
930'
930'
940'
930'
930'
840'
840'
860'
860'
970' 970'
960' 960'
960' 960'
970' 970'
960' 960'
950'
950'
950' 950'
940'
940'
930' 930'
960'
960'
950'
850' 850'
840'
840'
830'
830'
820'
820'
830' 830'
820' 820'
1040'
1020' 1020'
890' 890'
1040'
910'
990' 990'
940'
940'
980' 980'
920' 920'
960'
960'
950' 950'
930'
930'
860'
860'
860' 860'
830' 830'
810' 810'
920' 920'
900' 900'
S.D. COUNTY S.D. COUNTY
W:\17729_SanMarcosDMP\GIS\DeliverableMaps\SMDMP_D_RecFac_Maps_11x17.mxd City of San Marcos - Drainage Master Plan

APPENDIX D
Recommended Improvements - Sheet 232
Major River / Stream
Sub-Catchments
Existing Inventory
#* Channel Confluence
"/ Cleanout
$1 Curb Inlet
$1 Curb Outlet
!( Detention Basin
"/ Inlet
"/ Outlet
$+ Other
2! Separator
l? Outfalls
$ Culvert
$ Channel wider than 5 ft
$ Ditch less than 5 ft wide
$ Elliptical
$ Natural Channel
$ Storm Main
Channel / Ditch Transects
2-YR Flood Inundation
10-YR Flood Inundation
50-YR Flood Inundation
100-YR Flood Inundation
Surcharging Junctions
Recommended Storm Drain
New
Replace
FEMA NFHL Floodplain
100-YR Floodway
100-YR Floodplain
April, 2019
Map Legend
Source: City of San Marcos, Rick Engineering Company,
SANGIS/USGS Aerial Imagery: 11/2014
0 200 400
Scale in Feet [
North
SEE SHEET 225
SEE SHEET 240
SEE SHEET 233

LLAADDYYBBUUGG LLNN

SSOOLLAARRLLNN

N TWIN OAKS VALLEY RD N TWIN OAKS VALLEY RD

PRIVATE DY

PRIVATE RD PRIVATE RD

PRIVATE RD PRIVATE RD

PPRR IIVVAATTEE RRDD
990' 990'
980' 980'
970' 960' 960'
950'
910' 910'
900' 900'
890'
880' 880'
870' 870'
860'
850'
840' 840'
830' 830'
820' 820'
1010' 1010' 1000' 1000' 940' 940'
960' 960'
950' 950'
940' 940'
930' 930'
920' 920'
910' 910'
900' 900'
890' 890'
880' 880'
870' 870'
860' 860'
920' 920'
910' 910' 900' 900' 890' 890' 880' 880' 870' 870'
860' 860'
850'
850' 840' 840' 830' 830' 820' 820'810' 810'
830'
810'
860'
850'
830' 830'
820'
810' 810'
850' 850'
840' 840'
830' 830' 820' 820'
810' 810'
800' 800'
920' 920'
910' 910'
850' 850'
840' 840'
820' 820'
810' 810'
930'
920' 920'
970' 970'
930' 930'
840' 840'
910'
910'
810' 810'
970' 970' 950' 950'
950' 950'
940' 940'
930'
920' 920'
890' 890'
870' 870'
850' 850'
850'
840' 840'
840' 840'
830' 830'
820'
820'
810' 810'
810' 810'
910' 910'
S.D. COUNTY S.D. COUNTY
W:\17729_SanMarcosDMP\GIS\DeliverableMaps\SMDMP_D_RecFac_Maps_11x17.mxd City of San Marcos - Drainage Master Plan

APPENDIX D
Recommended Improvements - Sheet 233
Major River / Stream
Sub-Catchments
Existing Inventory #* Channel Confluence "/ Cleanout $1 Curb Inlet $1 Curb Outlet !( Detention Basin "/ Inlet "/ Outlet $+ Other 2! Separator l? Outfalls $ Culvert $ Channel wider than 5 ft $ Ditch less than 5 ft wide $ Elliptical $ Natural Channel $ Storm Main Channel / Ditch Transects
2-YR Flood Inundation
10-YR Flood Inundation
50-YR Flood Inundation
100-YR Flood Inundation
Surcharging Junctions
Recommended Storm Drain
New
Replace
FEMA NFHL Floodplain
100-YR Floodway
100-YR Floodplain
April, 2019
Map Legend
Source: City of San Marcos, Rick Engineering Company,
SANGIS/USGS Aerial Imagery: 11/2014
0 200 400
Scale in Feet
[
North
SEE SHEET 226
SEE SHEET 241
SEE SHEET 232SEE SHEET 234

PPRRIIVVAATTEE RRDD

SOLAR LN SOLAR LN

HOMESTEAD DR

SSOOLLAARR VV EIEI WW DDRR
1160' 1160' 1150' 1150' 1140' 1140' 1130' 1130' 1120' 1120' 1110' 1110' 1100' 1100' 1080' 1080' 1070' 1070' 1050' 1050' 1040' 1040' 1030' 1030' 1020' 1020' 1010' 1010' 1000' 1000' 980' 980' 970' 970'960' 960' 950' 950' 940' 940'930' 930'920' 920' 910' 910' 900'
900'
1180' 1180' 1170' 1170'
1060' 1060'
990'
890'
810' 810'
800' 800' 790' 790'
1090' 1090'
1080' 1080'
1070' 1070'
1060' 1060'
1050' 1050'
1040' 1040'
1030' 1030'
1020' 1020'
1010' 1010'
1000' 1000'
990' 990'
980' 980'
970' 970'
960' 960'
1030' 1030'
1020' 1020'
1010' 1010'
980' 980'
970' 970'
960' 960'
950' 950'
940' 940' 930' 930' 920' 920' 910' 910'
900' 900'
890' 890'
1050' 1050'
1040' 1040'
910' 910' 900' 900' 890' 890'
870' 870' 860' 860' 850' 850'
830' 830' 820' 820'
1030' 1020' 1010' 1000' 990' 980'
980' 980' 970' 970' 960' 960' 950' 950' 940' 940' 930' 930' 930'
920'
910'
900'
890'
880'
870'
870'
860' 860'
970' 970'
960' 960'
950' 950' 940' 940' 930' 930'
940' 930' 930'
920'
910' 910'
900' 900'
890'
1080' 1080'
1070' 1070'
1020' 1020' 1010' 1010' 1000' 1000' 1010' 1010' 1000' 1000'990' 990' 1170' 1170' 1160' 1160' 1150' 1150'
1170' 1170' 1160' 1160'
1010' 1010'
940' 940'
1000' 1000'
920' 920'
810' 810' 800' 800' 790' 790'
810' 810'
800' 800'
790'
930' 930'
920'
920'
930' 930' 920' 920'
880' 880'
870' 870'
850'
850'
840' 840'
860' 860'
850' 850'
830' 830'
840' 840'
1090' 1090'
880' 880'
870'
860' 860'
850' 850'
820' 820'
950' 950'
990' 990'
920' 920'
1180' 1180'
1060' 1060'
1030' 1030'
1030' 1030'
990'
1000' 1000'
850'
850'
1180' 1180'
900' 900'
860' 860'
840' 840'
800' 800'
790' 790'
800' 800'
790' 790'
S.D. COUNTY S.D. COUNTY
W:\17729_SanMarcosDMP\GIS\DeliverableMaps\SMDMP_D_RecFac_Maps_11x17.mxd City of San Marcos - Drainage Master Plan

APPENDIX D
Recommended Improvements - Sheet 234
Major River / Stream
Sub-Catchments
Existing Inventory #* Channel Confluence "/ Cleanout $1 Curb Inlet $1 Curb Outlet !( Detention Basin "/ Inlet "/ Outlet $+ Other 2! Separator l? Outfalls $ Culvert $ Channel wider than 5 ft $ Ditch less than 5 ft wide $ Elliptical $ Natural Channel $ Storm Main Channel / Ditch Transects
2-YR Flood Inundation
10-YR Flood Inundation
50-YR Flood Inundation
100-YR Flood Inundation
Surcharging Junctions
Recommended Storm Drain
New
Replace
FEMA NFHL Floodplain
100-YR Floodway
100-YR Floodplain
April, 2019
Map Legend
Source: City of San Marcos, Rick Engineering Company,
SANGIS/USGS Aerial Imagery: 11/2014
0 200 400
Scale in Feet
[
North
SEE SHEET 227
SEE SHEET 242
SEE SHEET 233SEE SHEET 235

PRIVATE RD PRIVATE RD

GGISISTT RRDD

JONI LN JONI LN

PPRRIIVVAATTEERRDD

PPRRIIVVAATTEE RRDD

HOMESTEAD DR HOMESTEAD DR

CCOOUUNNTTRRYY GGAARRDDEENN LLNN

PPRRIIVVAATTEERRDD

SARVER LN SARVER LN

NNDDEEEERR SSPPRRIINNGGSSPPLL
1200' 1200'
1180' 1180'
1170' 1170'
1160'
1160'
1150'
1150'
1140'
1140'
1120' 1120'
1110'
1110'
1100'
1090'
1080'
1060'
1060'
1040'
1040'
1030'
1030'
1020' 1020'
1010'
1010'
1000' 1000'
990' 990'
980'
980'
960'
960'
950' 950'
930'
930'
820'
820'
810'
810'
800' 800'
1130' 1130'
1050' 1050'
940' 940'
970' 970'
920' 920'
1210' 1210'
1190'
1190'
910' 910'
900'
900'
890'
890'
880' 880'
1060'
1060'
1040' 1040'
1030' 1030'
1020' 1020'
1010'
1000'
990'
980'
970'
960'
950'
940'
930'
920'
910'
900'
890' 890'
880'
870'
980'
980'
970'
970'
960' 960'
950'
950'
940' 940'
930' 930'
920' 920'
910' 910'
900' 900'
890' 890'
880' 880'
870' 870'
860'
860'
840'
840'
830'
830'
820' 820'
1130'
1130'
1120' 1120'
1110' 1110'
1100'
1100'
1090' 1090'
1080'
1080'
1070' 1070'
1050' 1050'
920' 920'
910' 910'
900'
900'
890' 890'
880' 880'
870'
870'
930'
930'
860'
860'
1180' 1180'
1170' 1170'
1160' 1160'
1150' 1150'
1140'
1140'
1130' 1130'
1120' 1120'
1110'
1110'
910'
910'
900' 900'
890'
890'
880' 880'
870'
870'
860' 860'
850'
850'
840' 840'
850'
850'
840' 840'
850'
850'
840' 840'
830' 830'
820'
820'
1070'
1070'
1060' 1060'
850' 850'
840' 840'
850' 850'
840' 840'
850'
850'
830' 830'
800'
800'
790' 790'
1070' 1070'
870'
860' 860'
830'
1080'
1080'
1050' 1050'
810'
810'
1060'
1060'
940' 940'
1070' 1070'
870' 870'
840' 840'
1140' 1140'
940'
940'
870' 870'
860'
860'
830' 830'
820'
820'
810' 810' 800' 800'
800'
780' 780'
S.D. COUNTY S.D. COUNTY
W:\17729_SanMarcosDMP\GIS\DeliverableMaps\SMDMP_D_RecFac_Maps_11x17.mxd City of San Marcos - Drainage Master Plan

APPENDIX D
Recommended Improvements - Sheet 235
Major River / Stream
Sub-Catchments
Existing Inventory
#* Channel Confluence
"/ Cleanout
$1 Curb Inlet
$1 Curb Outlet
!( Detention Basin
"/ Inlet
"/ Outlet
$+ Other
2! Separator
l? Outfalls
$ Culvert
$ Channel wider than 5 ft
$ Ditch less than 5 ft wide
$ Elliptical
$ Natural Channel
$ Storm Main
Channel / Ditch Transects
2-YR Flood Inundation
10-YR Flood Inundation
50-YR Flood Inundation
100-YR Flood Inundation
Surcharging Junctions
Recommended Storm Drain
New
Replace
FEMA NFHL Floodplain
100-YR Floodway
100-YR Floodplain
April, 2019
Map Legend
Source: City of San Marcos, Rick Engineering Company,
SANGIS/USGS Aerial Imagery: 11/2014
0 200 400
Scale in Feet [
North
SEE SHEET 228
SEE SHEET 243
SEE SHEET 234SEE SHEET 236

NN DDEEEERR SSPPRRII NNGGSS PPLL

PPRRIIVVAATTEE
RRDD
1420' 1420' 1410' 1400' 1400' 1350' 1350' 1340' 1340' 1330' 1330' 1320' 1320' 1310' 1310' 1300' 1300' 1280' 1280' 1260' 1260' 1250' 1250' 1240' 1240' 1220' 1220' 1200' 1200' 1190' 1190' 1180' 1180' 1150' 1150' 1130' 1130' 1100' 1100' 1090' 1090' 1080' 1080' 1070' 1060' 1060' 1050' 1050' 1040' 1040' 1030' 1030' 1020' 1020' 1010' 1010' 1000' 1000' 990' 990' 980' 980' 970' 970' 960' 960' 950' 950' 940' 940' 920' 920'
910' 910' 900' 900'
890'
890'
930' 930'
880' 880' 870' 870' 860' 860' 850' 850' 840' 840'
1370' 1370' 1360' 1360'
1290' 1290'
1270' 1270'
1230' 1230'
1170' 1160' 1150' 1140' 1140' 1120' 1120'
1110' 1110' 1100' 1100' 1090' 1090' 1080' 1080' 1070' 1070' 1060' 1060' 1050' 1050' 1040' 1030' 1030' 1020' 1010' 1010' 1000' 1000' 990' 990' 980' 980' 970' 970' 960' 960' 950' 950' 930' 930' 920' 920'
1230' 1230'
1220' 1220'
1210' 1210'
1200' 1200'
1190' 1190'
1280' 1280' 1260' 1260'
1250'
1250'
1240' 1240'
1220' 1220' 1200' 1200' 1190' 1190' 1170' 1170' 1160' 1160' 1150' 1150'
1140' 1140'
1120' 1120' 1110' 1110' 1100' 1100' 1090' 1090'
1270' 1270'
1210' 1210'
1180'
1180'1130' 1130' 1080' 1080'
1360' 1360'
1350' 1350' 1310' 1310'
1270' 1270' 1260' 1260' 1250' 1250'
1300' 1300'
1290' 1290'
1280'
1280'
1340' 1340'
1330' 1330'
1200' 1200'
1180' 1180'
1170' 1170' 1160' 1160' 1150' 1150' 1140' 1140' 1130' 1120' 1210' 1210' 1200' 1200' 1190' 1190' 1180' 1180' 1160' 1160' 1170' 1170'
1150'
1150'
1340' 1340' 1330' 1330' 1320' 1320'
1310' 1310'
1300' 1300'
1290' 1290'
1210' 1210' 1200' 1200'
1190' 1190' 1180' 1180'
1170' 1170'
1130' 1130' 1120' 1120'
1240' 1240' 1230' 1230' 1220' 1220'
1150' 1150' 1130' 1130'
1090' 1090' 1080' 1080' 1060' 1060'
900' 900' 890' 890' 880' 880'
870'
870'
1320' 1320'
1310' 1310'
1280' 1280' 1270' 1270' 1260' 1260'
1180' 1180'
1170' 1170'
1310' 1310'
1300'
1270'
1270'
1260' 1260'
860' 860' 850' 850'
860' 860' 850' 850'
1220' 1220'
1210' 1210'
1160' 1160'
1150' 1150'
1430' 1430'
1440' 1440'
1390' 1390'
1380' 1380'
1210' 1210'
1170'
1160' 1160'
1140' 1140'
1120' 1120'
1110' 1110' 830' 830'
1130' 1130'
940' 940'
1320' 1320'
1110' 1110'
1330' 1330'
1070' 1070'
1140' 1140'
1320'
1290'
1260' 1260'
1220'
1220'
1180'
1140' 1140'
1130' 1130'
1090' 1090'
840' 840'
1410' 1410' 1410' 1410'
1380' 1380'
1190' 1190'
1140' 1140'
1110'
840' 840'
840' 840'
830' 830'
S.D. COUNTY S.D. COUNTY
W:\17729_SanMarcosDMP\GIS\DeliverableMaps\SMDMP_D_RecFac_Maps_11x17.mxd City of San Marcos - Drainage Master Plan

APPENDIX D
Recommended Improvements - Sheet 236
Major River / Stream
Sub-Catchments
Existing Inventory #* Channel Confluence "/ Cleanout $1 Curb Inlet $1 Curb Outlet !( Detention Basin "/ Inlet "/ Outlet $+ Other 2! Separator l? Outfalls $ Culvert $ Channel wider than 5 ft $ Ditch less than 5 ft wide $ Elliptical $ Natural Channel $ Storm Main Channel / Ditch Transects
2-YR Flood Inundation
10-YR Flood Inundation
50-YR Flood Inundation
100-YR Flood Inundation
Surcharging Junctions
Recommended Storm Drain
New
Replace
FEMA NFHL Floodplain
100-YR Floodway
100-YR Floodplain
April, 2019
Map Legend
Source: City of San Marcos, Rick Engineering Company,
SANGIS/USGS Aerial Imagery: 11/2014
0 200 400
Scale in Feet
[
North
SEE SHEET 229
SEE SHEET 244
SEE SHEET 235SEE SHEET 237

MMEESSAA

RROOCCKK
RR DD

DEER SPRINGS RD DEER SPRINGS RD

PRIVATE RD

SSEERREENNDDII

PPIITTYY LLNN
1330' 1330'
1320'
1320'
1310'
1310'
1300'
1300'
1290' 1290'
1280'
1280'
1270' 1270'
1260'
1260'
1250'
1250'
1240' 1240'
1230' 1230'
1220' 1220'
1210' 1210'
1200' 1200'
1180'
1180'
1170' 1170'
1160'
1160'
1150'
1130' 1130'
1120' 1120'
1100'
1090' 1090'
1080'
1060'
1060'
1040' 1040'
1030' 1030'
1020'
1020'
1000' 1000'
970' 970'
960'
960'
950'
950'
920' 920'
910' 910'
900' 900'
890' 890'
990' 990'
980'
980'
940'
940'
1350'
1350'
880'
880'
1190'
1190'
1110' 1110'
850'
850'
840'
840'
1270'
1260'
1240'
1240'
1220'
1220'
1210'
1210'
1200' 1200' 1190'
1190'
1180'
1170' 1170'
1160' 1160'
1150'
1140'
1140'
1120'
1120'
1110' 1110'
1100'
1100'
1230'
1130'
1130'
1070'
1070'
1060'
1060'
1050'
1050'
1030'
1020' 1020'
1010'
1000'
990'
980'
970'
970'
960' 960'
950'
940'
930'
910'
910'
900' 900'
890' 890'
880'
1240'
1230'
1220'
1210'
1200'
1190'
1180'
1180'
1170'
1170'
1160'
1160'
1150'
1140'
1130' 1130'
1120'
1120'
1110'
1110'
1100'
1100'
1270' 1270'
1260'
1250'
1140' 1140'
1130'
1130'
1120'
1120'
1110'
1110'
1100' 1100'
1090' 1090'
1080' 1080'
1070' 1070'
1060' 1060'
1050' 1050'
1040'
1040'
1030' 1030'
1290' 1290'
1280'
1270'
1260'
1260'
1250'
1240'
1230'
1220'
1220'
1210' 1210'
1200'
1200'
1190'
1180' 1180'
1270'
1270'
1260'
1260'
1250'
1240' 1240'
1230' 1230'
1220' 1220'
1210' 1210'
1240' 1240'
1230'
1220'
1220'
1210'
1210'
1200'
1200'
1190'
1190'
1150' 1150'
1140' 1140'
1130' 1130'
1120' 1120'
1110' 1110'
1100'
1100'
1090' 1090'
1080'
1080'
1200'
1200'
1190'
1190'
1180'
1180'
1170'
1170'
1160' 1160'
1180' 1180'
1170' 1170'
1050' 1050'
1030'
1030'
1040' 1040'
1020' 1020'
1010'
1010'
1000'
1000'
990' 990'
1290'
1280'
1070' 1070'
1060' 1060'
1290' 1290'
1280' 1280'
1170' 1170'
1160'
1160'
1010'
1010'
1000' 1000'
1340' 1340'
1070' 1070'
1050' 1050'
1010'
1010'
930'
930'
870' 870'
860' 860'
1090'
1090'
1080'
1040'
1040'
920'
920'
1090'
1090'
1020'
1020'
1180'
1250' 1250'
1210'
1210'
1260'
1250' 1250'
1150' 1150'
1140'
1140'
1140'
1140'
1100' 1100'
1100'
1100'
1070' 1070'
1080' 1080'
1070'
1040'
1040'
1300'
1300'
1270'
1270'
1270'
1220' 1220'
1210' 1210'
1100'
1100'
1060'
1060'
1010' 1010'
1000' 1000'
990' 990'
900' 900'
840' 840'
S.D. COUNTY S.D. COUNTY
W:\17729_SanMarcosDMP\GIS\DeliverableMaps\SMDMP_D_RecFac_Maps_11x17.mxd City of San Marcos - Drainage Master Plan

APPENDIX D
Recommended Improvements - Sheet 237
Major River / Stream
Sub-Catchments
Existing Inventory
#* Channel Confluence
"/ Cleanout
$1 Curb Inlet
$1 Curb Outlet
!( Detention Basin
"/ Inlet
"/ Outlet
$+ Other
2! Separator
l? Outfalls
$ Culvert
$ Channel wider than 5 ft
$ Ditch less than 5 ft wide
$ Elliptical
$ Natural Channel
$ Storm Main
Channel / Ditch Transects
2-YR Flood Inundation
10-YR Flood Inundation
50-YR Flood Inundation
100-YR Flood Inundation
Surcharging Junctions
Recommended Storm Drain
New
Replace
FEMA NFHL Floodplain
100-YR Floodway
100-YR Floodplain
April, 2019
Map Legend
Source: City of San Marcos, Rick Engineering Company,
SANGIS/USGS Aerial Imagery: 11/2014
0 200 400
Scale in Feet [
North
SEE SHEET 230
SEE SHEET 236SEE SHEET 238

MEESSAA RR OOCCKK RRDD

PRIVATE RD PRIVATE RD

PPRRIIVVAATTEERRDD

DDEEEERR SSPPRRIINNGGSS RRDD

CCHHAAMMPPAAGGNNEE BBLL

NN CCEENNTTRREE CCITITYY PPYY

PPRROOTTEEAA

GGAARRDDEENNSS
RRDD

MMTTNN MMEEAADDOOWWRRDD

MMTTNN MMEEAADDOOWWRRDD

PRIVATE RD PRIVATE RD

PPRRIIVVAATTEE
DDYY

MMTTNNMMEEAADDOOWW RRDD

PPRRIIVVAATTEE DDYY
FOX LN

MMOONNTTMMEEAADD RRDD

PPRRIIVVAATTEE RRDD
MTTNN

MEEAADDOOWW
RRDD
§¨¦15
1080'
1070'
1060' 1050'
1030' 1020'
1060' 1060'
1050' 1050'
1040' 1040'
1030' 1030'
1020' 1020'
1010' 1010'
1000' 1000'
990' 990'
1030'
1030' 1020' 1020'
1030'
1020'
1010' 1010'
1000' 1000'
1000' 1000'
1010' 1010'
1010' 1010'
1000' 1000'
1000'
990' 990'
1040'
1050' 1050'
1000' 1000'
S.D. COUNTY S.D. COUNTY
W:\17729_SanMarcosDMP\GIS\DeliverableMaps\SMDMP_D_RecFac_Maps_11x17.mxd City of San Marcos - Drainage Master Plan

APPENDIX D
Recommended Improvements - Sheet 238
Major River / Stream
Sub-Catchments
Existing Inventory #* Channel Confluence "/ Cleanout $1 Curb Inlet $1 Curb Outlet !( Detention Basin "/ Inlet "/ Outlet $+ Other 2! Separator l? Outfalls $ Culvert $ Channel wider than 5 ft $ Ditch less than 5 ft wide $ Elliptical $ Natural Channel $ Storm Main Channel / Ditch Transects
2-YR Flood Inundation
10-YR Flood Inundation
50-YR Flood Inundation
100-YR Flood Inundation
Surcharging Junctions
Recommended Storm Drain
New
Replace
FEMA NFHL Floodplain
100-YR Floodway
100-YR Floodplain
April, 2019
Map Legend
Source: City of San Marcos, Rick Engineering Company,
SANGIS/USGS Aerial Imagery: 11/2014
0 200 400
Scale in Feet
[
North
SEE SHEET 231
SEE SHEET 237

EELLPPAASSOOAALLTTOO

PRIVATE RD PRIVATE RD
HH
AA
RR

DD EELLLL LL NN

PPRRIIVVAATTEE RRDD

EELLPPAASSOO

AALLTTOONNOORRTTEE

PRIVATE RD PRIVATE RD

DDEEEEBBDDRR
1210'
1210'
1220' 1220'
1230'
1230'
1180'
1200'
1200'
1170' 1170'
1140' 1140'
1150' 1150'
1110'
1110'
1120'
1120'
1130' 1130'
1070'
1070'
1080' 1080'
1090'
1090'
1100' 1100'
1030'
1030'
1040'
1040'
1050' 1050'
1060'
1060'
960' 960'
970' 970'
980' 980'
950' 950'
1010'
1010'
1000'
1000'
990' 990'
940'
940'
1200' 1200'
1190' 1190'
1180' 1180'
1170' 1170'
1160' 1160'
1150' 1150'
1140'
1140'
1130'
1130'
1120'
1110'
1100'
1090'
1080'
1070'
1060' 1060'
1050'
1050'
1040' 1040'
1030'
1030'
1020'
1010' 1010'
990' 990'
980' 980'
970' 970'
960' 960'
950'
940'
930'
920'
910'
910'
900'
900'
1250'
1250'
1240'
1240'
1230' 1230'
1210' 1210'
1220'
1220'
1190' 1190'
1180' 1180'
1170' 1170'
1160' 1160'
1150' 1150'
1140' 1140'
1170' 1170'
1160' 1160'
1150' 1150'
1140'
1140'
890' 890'
870'
870'
1200'
1200'
1190'
1190'
950' 950'
940'
940'
1200' 1200'
1190' 1190'
960'
960'
950' 950'
1160' 1160'
1020' 1020'
1000' 1000'
880'
980' 980'
1180' 1180'
1180' 1180'
1030' 1030'
950'
950'
S.D. COUNTY S.D. COUNTY
W:\17729_SanMarcosDMP\GIS\DeliverableMaps\SMDMP_D_RecFac_Maps_11x17.mxd City of San Marcos - Drainage Master Plan

APPENDIX D
Recommended Improvements - Sheet 239
Major River / Stream
Sub-Catchments
Existing Inventory
#* Channel Confluence
"/ Cleanout
$1 Curb Inlet
$1 Curb Outlet
!( Detention Basin
"/ Inlet
"/ Outlet
$+ Other
2! Separator
l? Outfalls
$ Culvert
$ Channel wider than 5 ft
$ Ditch less than 5 ft wide
$ Elliptical
$ Natural Channel
$ Storm Main
Channel / Ditch Transects
2-YR Flood Inundation
10-YR Flood Inundation
50-YR Flood Inundation
100-YR Flood Inundation
Surcharging Junctions
Recommended Storm Drain
New
Replace
FEMA NFHL Floodplain
100-YR Floodway
100-YR Floodplain
April, 2019
Map Legend
Source: City of San Marcos, Rick Engineering Company,
SANGIS/USGS Aerial Imagery: 11/2014
0 200 400
Scale in Feet [
North
SEE SHEET 245
SEE SHEET 240

EELL PPAASSOO

AALLTTOO

VVISISTTAA PPAACCIFIFICCI AA

BRIDLE CREEK LN

PPRRIVIVAATTEE RRDD

PPRRIIVVAATTEERRDD

QUARRY RD

QUARRY RD

VALLE PASO VALLE PASO

PRIVATE RD PRIVATE RD
1310'
1310'
1300' 1300'
1290' 1290'
1280' 1280'
1270' 1270'
1260' 1260'
1250' 1250'
1240' 1240'
1230' 1230'
1220' 1220'
1210' 1210'
1200' 1200'
1190' 1190'
1180'
1180'
1170'
1170'
1160'
1160'
1150' 1150'
1140' 1140'
1130'
1130'
1120' 1120'
1110'
1110'
1100'
1100'
1090' 1090'
1080'
1080'
1070'
1070'
1060' 1060'
1050' 1050'
1040'
1040'
1030'
1030'
1020' 1020'
1000' 1000'
990'
990'
980' 980'
970' 970'
960'
960'
950' 950'
940'
940'
1290' 1290'
1280' 1280'
1270'
1270'
1260' 1260'
1250'
1250'
1240'
1240'
1230' 1230'
1220' 1220'
1200' 1200'
1190'
1190'
1180' 1180'
1170' 1170'
1160' 1160'
1150' 1150'
1140'
1130'
1130'
1120' 1120'
1110'
1110'
1100'
1090' 1090'
1080' 1080'
1070' 1070'
1060'
1060'
1050'
1040'
1030'
1030'
1020' 1020'
1000'
1000'
1300' 1300'
1290'
1290'
1280' 1280'
1270'
1270'
1230' 1230'
1220'
1220'
1210'
1210'
1260' 1260'
1250' 1250'
1240' 1240'
1200'
1200'
1320' 1320'
1310' 1310'
1100' 1100'
1090'
1090'
1080'
1080'
1070'
1070'
1050'
1050'
1040' 1040'
1030' 1030'
980' 980'
970'
970'
960'
950'
940'
930'
1000'
1000'
990' 990'
1240' 1240'
1230' 1230'
1220' 1220'
1210'
1210'
1200' 1200'
1190'
1190'
1220'
1220'
1210'
1210'
1200' 1200'
1190'
1190'
1180' 1180'
1170' 1170'
1000'
1000'
990'
990'
980'
980'
970' 970'
960' 960'
950' 950'
1200'
1200'
1190'
1190'
1180' 1180'
1080'
1080'
1070' 1070'
1090'
1090'
1080' 1080'
1060' 1060'
1010'
1000'
990'
1070' 1070'
1060' 1060'
1000'
1000'
990' 990'
980' 980'
1330'
1330'
1310' 1310'
1040'
1040'
1030'
1030'
1010'
1000' 1000'
1010' 1010'
1000' 1000'
970' 970'
960'
960'
1180'
1180'
1170' 1170'
1160' 1160'
1150' 1150'
1050'
1050'
1040'
1040'
940' 940'
930' 930'
1210' 1210'
1060'
1060'
1020' 1020'
1300'
1190'
1190'
1090' 1090'
1000'
1000'
1000'
1000'
990'
990'
1270'
1270'
1140' 1140'
1090' 1090'
1000' 1000'
1000'
1000'
990' 990'
980' 980'
950' 950'
950' 950'
940'
940'
930'
930'
S.D. COUNTY S.D. COUNTY
W:\17729_SanMarcosDMP\GIS\DeliverableMaps\SMDMP_D_RecFac_Maps_11x17.mxd City of San Marcos - Drainage Master Plan

APPENDIX D
Recommended Improvements - Sheet 240
Major River / Stream
Sub-Catchments
Existing Inventory
#* Channel Confluence
"/ Cleanout
$1 Curb Inlet
$1 Curb Outlet
!( Detention Basin
"/ Inlet
"/ Outlet
$+ Other
2! Separator
l? Outfalls
$ Culvert
$ Channel wider than 5 ft
$ Ditch less than 5 ft wide
$ Elliptical
$ Natural Channel
$ Storm Main
Channel / Ditch Transects
2-YR Flood Inundation
10-YR Flood Inundation
50-YR Flood Inundation
100-YR Flood Inundation
Surcharging Junctions
Recommended Storm Drain
New
Replace
FEMA NFHL Floodplain
100-YR Floodway
100-YR Floodplain
April, 2019
Map Legend
Source: City of San Marcos, Rick Engineering Company,
SANGIS/USGS Aerial Imagery: 11/2014
0 200 400
Scale in Feet [
North
SEE SHEET 232
SEE SHEET 246
SEE SHEET 239SEE SHEET 241

N TWIN OAKS VALLEY RD N TWIN OAKS VALLEY RD

PPRRIIVVAATTEE DD YY

QQUUAARRRRYY
RRDD
1050' 1050' 1040' 1040' 1030' 1030' 1020' 1020' 1010' 1010' 1000' 1000' 990' 990' 980' 980' 970' 970' 960' 950' 950' 940' 940' 930' 930' 920' 920' 910' 910' 900' 900' 890'
880'
980' 980' 970' 960' 960' 950' 950' 940' 930' 920' 910' 910' 900' 900' 890' 890' 870' 870'
940' 940'
920' 920'
910' 910'
890' 890'
980' 970' 970' 960' 960' 950' 950'
900' 900'
880'
960' 960' 950' 950' 940' 940'
930' 930'
920' 920'
910' 910'
900' 900'
890' 890'
880' 880'
1080' 1080' 1060' 1060' 1050' 1050' 1040' 1040' 1030' 1030' 1010' 1010'
960'
950'
940' 940'
930' 930'
920' 920'
910' 910'
900' 900'
890'
940' 940'
930'
920' 920'
910'
940' 940'
930' 930'
920' 920'
980' 980'
970' 970' 960' 960'
950' 950'
950' 950'
940' 940'
930' 930'
920' 920'
980' 980'
970' 970'
940' 940'
930' 930'
870' 870'
860' 860'
860' 860'
850' 850'
840'
850' 850'
840'
1060' 1060'
880' 880'
990' 990'
910' 910'
880' 880'
990'
960' 960'
950' 950'
920' 920'
900' 900'
890' 890'
880' 880'
880' 880'
880' 880' 880' 880'
860'
850' 850'
850' 850'
850' 850'
850' 850'
850' 850'
840' 840'
840' 840'
900' 900'
850' 850'
S.D. COUNTY S.D. COUNTY
W:\17729_SanMarcosDMP\GIS\DeliverableMaps\SMDMP_D_RecFac_Maps_11x17.mxd City of San Marcos - Drainage Master Plan

APPENDIX D
Recommended Improvements - Sheet 241
Major River / Stream
Sub-Catchments
Existing Inventory #* Channel Confluence "/ Cleanout $1 Curb Inlet $1 Curb Outlet !( Detention Basin "/ Inlet "/ Outlet $+ Other 2! Separator l? Outfalls $ Culvert $ Channel wider than 5 ft $ Ditch less than 5 ft wide $ Elliptical $ Natural Channel $ Storm Main Channel / Ditch Transects
2-YR Flood Inundation
10-YR Flood Inundation
50-YR Flood Inundation
100-YR Flood Inundation
Surcharging Junctions
Recommended Storm Drain
New
Replace
FEMA NFHL Floodplain
100-YR Floodway
100-YR Floodplain
April, 2019
Map Legend
Source: City of San Marcos, Rick Engineering Company,
SANGIS/USGS Aerial Imagery: 11/2014
0 200 400
Scale in Feet
[
North
SEE SHEET 233
SEE SHEET 247
SEE SHEET 240SEE SHEET 242

HHOOMMEESSTTEEAADDDDRR

SSOOLLAARR LLNN
PPRRI

IVVAATTEE RRDD

PRIVATE RD PRIVATE RD

JJOONNIILLNN

LYNN LN

HOMESTEAD DR

HOMESTEAD DR HOMESTEAD DR
1190' 1190'
1180' 1170'
1160'
1150'
1140'
1130'
1130'
1120'
1120'
1110'
1110'
1100'
1100'
1090'
1090'
1080' 1080'
1070' 1070'
1060' 1060'
1050' 1050'
1040' 1040'
1030' 1030'
1020' 1020'
1010' 1010'
1000' 1000'
990' 990'
980'
980'
970'
970'
960' 960'
950' 950'
1160'
1160'
1150'
1140'
1130'
1120'
1110'
1100'
1100'
1090'
1090'
1080'
1070'
1050'
1050'
1040'
1040'
1030'
1030'
1020'
1020'
1010'
1010'
1000' 1000'
990' 990' 980'
940' 940'
930'
930'
950'
950'
920' 920'
910'
910'
1080' 1080'
1070' 1070'
1060' 1060'
1050' 1050'
1040'
1040'
1030'
1030'
1020' 1020'
1010' 1010'
1000'
1000'
980' 980'
960'
960'
940'
940'
930'
1130'
1120' 1120'
1110' 1110'
1090' 1090'
1080'
1080'
1070'
1060'
1030'
1020'
1020'
1010' 1010'
1000' 1000'
1100'
1050' 1050'
990'
1160'
1160'
1150' 1150'
1050' 1050'
1040' 1040'
1030' 1030'
1020' 1020'
1010' 1010'
1000'
1000'
990'
990'
980' 980'
970'
970'
960'
960'
950'
950'
930'
930'
920'
920'
1040' 1040'
1030' 1030'
1010' 1010'
1000'
1000'
990'
990'
980' 980'
970' 970'960'
960'
950' 950'
940' 940'
930'
930'
920'
1040'
1040'
1030' 1030'
1020' 1020'
1010' 1010'
1000'
1000'
990'
990'
980'
980'
970' 970'
1150' 1150'
1140' 1140'
1130' 1130'
1120' 1120'
1110' 1110'
1100'
1100'
1060' 1060'
1050' 1050'
1040' 1040'
1030'
1030'
1020' 1020'
1100'
1090'
1080' 1080'
1100' 1100'
1090' 1090'
1080' 1080'
1070'
1070'
1030' 1030'
1020'
1010'
1010'
1040'
1040'
1030'
1030'
1020' 1020'
1000'
1000'
990'
990'
980' 980'
970'
970' 980' 980'
970' 970'
990'
990'
980'
980'
970' 970'
960' 960'
940'
940'
930' 930'
920'
920'
910'
910'
1160'
1160'
1150' 1150'
1140' 1140'
1130' 1130'
1120' 1120'
1030'
1030'
1020'
1020'
1010'
1010'
1000' 1000'
990'
990'
1170' 1170'
1160' 1160'
1150' 1150'
1140' 1140'
1120' 1120'
1110' 1110'
930' 930'
910'
910'
900'
900'
890'
890'
1070'
1070'
1060' 1060'
980'
980'
970'
970'
900' 900'
890'
890'
940'
940'
970' 970'
960' 960'
1090' 1090'
990' 990'
940'
1050'
1050'
1020'
1160'
1160'
1110' 1110'
1040'
1040'
1170'
1070'
1070'
1040' 1040'
950'
950'
1070'
1070'
1010'
1010'
1000' 1000' 1000' 1000' 970' 970'
970' 970'
1190'
1190'
1190' 1190'
1180' 1180'
1170'
1170'
1170' 1170'
1150' 1150'
1150'
1150'
1110'
1110'
1100'
1060' 1060'
1060' 1060'
1020' 1020'
1020'
1020'
1010'
1010'
960' 960'
930'
930'
920'
920'
920'
880'
880'
880' 880'
S.D. COUNTY S.D. COUNTY
W:\17729_SanMarcosDMP\GIS\DeliverableMaps\SMDMP_D_RecFac_Maps_11x17.mxd City of San Marcos - Drainage Master Plan

APPENDIX D
Recommended Improvements - Sheet 242
Major River / Stream
Sub-Catchments
Existing Inventory
#* Channel Confluence
"/ Cleanout
$1 Curb Inlet
$1 Curb Outlet
!( Detention Basin
"/ Inlet
"/ Outlet
$+ Other
2! Separator
l? Outfalls
$ Culvert
$ Channel wider than 5 ft
$ Ditch less than 5 ft wide
$ Elliptical
$ Natural Channel
$ Storm Main
Channel / Ditch Transects
2-YR Flood Inundation
10-YR Flood Inundation
50-YR Flood Inundation
100-YR Flood Inundation
Surcharging Junctions
Recommended Storm Drain
New
Replace
FEMA NFHL Floodplain
100-YR Floodway
100-YR Floodplain
April, 2019
Map Legend
Source: City of San Marcos, Rick Engineering Company,
SANGIS/USGS Aerial Imagery: 11/2014
0 200 400
Scale in Feet [
North
SEE SHEET 234
SEE SHEET 248
SEE SHEET 241SEE SHEET 243

GGIISSTT RRDD

JJOONNII LLNN
1180' 1180'
1170' 1170'
1160'
1160'
1150' 1150'
1140' 1140'
1130' 1130'
1120' 1120'
1110' 1110'
1100'
1100'
1090' 1090'
1080' 1080'
1070' 1070'
1060' 1060'
1050' 1050'
1040' 1040'
1020' 1020'
1010' 1010'
1000' 1000'
990' 990'
980' 980'970' 970'
960' 960'
950' 950'
940' 940'
930'
930'
920' 920'
910'
910'
900' 900'
1030' 1030'
880'
880'
890' 890'
860' 860'
870'
870'
840' 840'
850' 850'
1120' 1120'
1110' 1110'
1100' 1100'
1060' 1060'
1050'
1050'
1040' 1040'
1030' 1030'
1020' 1020'
1010'
1010'
1000'
1000'
990'
990'
980'
980'
970'
970'
950'
950'
940' 940'
930'
930'
920' 920'
910'
910'
900' 900'
890'
890'
880' 880'
870'
870'
860' 860'
840' 840'
1100' 1100'
1090'
1090'
1080'
1080'
1070'
1070'
1060'
1060'
1050'
1050'
1040'
1040'
1030'
1030'
1020'
1020'
1010'
1010'
1000' 1000'
990'
990'
980'
980'
970' 970'
960'
960'
950' 950'
940'
930'
920'
1120' 1120'
1110' 1110'
910'
910'
900' 900'
1030'
1020'
1010'
1000'
990'
980' 980'
970' 970'
960' 960'
950'
950'
930'
920' 920'
950'
950'
940'
940'
930'
930'
1160'
1160'
1150'
1150'
1140' 1140'
1130' 1130'
1120'
1120'
990'
980'
970'
960'
900'
900'
890' 890'
1040'
1040'
1030' 1030'
1020'
1020'
990'
990'
1000' 1000'
1010' 1010'
910'
910'
900' 900'
1150'
1150'
1140'
1140'
1130'
1130'
1030'
1020'
1010'
890' 890'
880' 880'
870' 870'
860' 860'
860' 860'
850'
850'
870' 870'
860'
860'
830' 830'
820'
820'
1090' 1090'
1080'
1070'
960' 960'
1130' 1130'
880'
880'
860'
860'
940'
910' 910'
860' 860'
1130'
1130'
1050'
1050'
880' 880'
900'
900'
880' 880'
1180'
1180'
1120' 1120'
1110'
1110'
900' 900'
880'
860' 860'
870'
850' 850'
840'
840'
840' 840'
900'
900' S.D. COUNTY S.D. COUNTY
W:\17729_SanMarcosDMP\GIS\DeliverableMaps\SMDMP_D_RecFac_Maps_11x17.mxd City of San Marcos - Drainage Master Plan

APPENDIX D
Recommended Improvements - Sheet 243
Major River / Stream
Sub-Catchments
Existing Inventory
#* Channel Confluence
"/ Cleanout
$1 Curb Inlet
$1 Curb Outlet
!( Detention Basin
"/ Inlet
"/ Outlet
$+ Other
2! Separator
l? Outfalls
$ Culvert
$ Channel wider than 5 ft
$ Ditch less than 5 ft wide
$ Elliptical
$ Natural Channel
$ Storm Main
Channel / Ditch Transects
2-YR Flood Inundation
10-YR Flood Inundation
50-YR Flood Inundation
100-YR Flood Inundation
Surcharging Junctions
Recommended Storm Drain
New
Replace
FEMA NFHL Floodplain
100-YR Floodway
100-YR Floodplain
April, 2019
Map Legend
Source: City of San Marcos, Rick Engineering Company,
SANGIS/USGS Aerial Imagery: 11/2014
0 200 400
Scale in Feet [
North
SEE SHEET 235
SEE SHEET 249
SEE SHEET 242SEE SHEET 244
1570' 1570'
1580' 1580'
1590'
1540' 1540'
1550' 1550'
1560'
1560'
1530'
1530'
1510'
1520'
1500'
1480'
1490'
1470' 1470'
1480'
1440' 1440'
1450' 1450'
1460'
1460'
1430'
1400'
1400'
1410' 1410'
1420'
1420'
1370' 1370'
1380'
1380'
1390' 1390'
1360'
1330'
1330'
1340'
1340'
1320' 1320'
1300'
1300'
1310' 1310'
1290' 1290'
1260' 1260'
1270'
1270'
1280' 1280'
1230'
1230'
1240' 1240'
1250'
1250'
1210' 1210'
1220' 1220'
1180'
1180'
1190' 1190'
1200' 1200'
1170' 1170'
1150'
1160'
1080'
1100' 1110' 1120'
1130' 1130'
1140' 1140'
1060' 1060'
1070'
1070'
1080'
1040'
1050'
980'
980'
990' 990'
1000' 1000'
1010'
1010'
1020'
1020'
1560'
1560'
1550' 1550'
1540'
1540'
1530'
1530'
1520' 1520'
1510'
1510'
1480'
1490'
1490'
1480'
1470'
1470'
1450'
1460'
1460'
1450'
1440'
1440'
1430'
1430'
1420'
1420'
1410'
1410'
1390'
1390'
1380' 1380'
1370' 1370'
1350'
1360' 1360'
1340'
1350'
1330'
1340'
1320'
1320'
1330'
1300'
1310'
1310'
1290' 1290'
1300'
1270'
1280' 1280'
1270'
1590' 1590'
1500'
1570'
1570'
1580' 1580'
1500'
1400'
1400'
1200'
1200'
1190'1190'
1180'
1180'
1170'
1170'
1160'
1160'
1150'
1150'
1140'
1140'
1130'
1130'
1120'
1120'
1110' 1110'
1100'
1100'
1090'
1090'
1080' 1080'
1070'
1070'
1060'
1060'
1050'
1050'
1040'
1040'
1030'
1030'
1020'
1020'
1010'
1010'
1000' 1000'
990'
990'
980'
980'
970'
970'
1170'
1170'
1150' 1150'
1120' 1120'
1100' 1100'
1070' 1070'
1060' 1060'
1050' 1050'
1040' 1040'
1030'
1030'
1020'
1020'
1010' 1010'
1000' 1000'
990'
990'
980'
980'
970' 970'
960'
960'
950' 950'
940' 940'
930'
930'
1110' 1110'
1090' 1090'
1080'
1080'
920'
920'
1190'
1190'
1140'
1140'
1570' 1570'
1560'
1550'
1540'
1540'
1530'
1520' 1520'
1500' 1500'
1490' 1490'
1480' 1480'
1460'
1450'
1440'
1430'
1420'
1410'
1400'
1390'
1380'
1370'
1360'
1350'
1340'
1330'
1020'
1020'
1010'
1010'
1000'
1000'
990'
990'
980' 980'
970' 970'
960'
960'
950'
950'
940'
940'
930'
930'
920'
920'
910'
910'
1090'
1090'
1080'
1080'
1070'
1070'
1060' 1060'
1050'
1050'
1040'
1040'
1150'
1130'
1130'
1120'
1120'
1110'
1110'
1100'
1100'
1090' 1090'
1080' 1080'
1070'
1070'
1090'
1090'
1080'
1080'
1070'
1070'
1060'
1060'
1050'
1050'
1040'
1040'
1030'
1030'
1020'
1020'
1350' 1350'
1340' 1340'
1330'
1330'
1320'
1320'
1310' 1310'
1300'
1300'
1400'
1400'
1390'
1390'
1380' 1380'
1370' 1370'
1360' 1360'
1350' 1350'
1170' 1170'
1160' 1160'
1150'
1150'
1140' 1140'
1130' 1130'
1430' 1430'
1420' 1420'
1220'
1220'
1210' 1210'
1200' 1200'
1170' 1170'
1160' 1160'
920'
920'
910' 910'
1590' 1590'
1580' 1580'
1430' 1430'
1420' 1420'
1130'
1130'
1120' 1120'
950'
950'
940' 940'
1600'
1090' 1090'
1030' 1030'
970' 970'
960'
950' 950'
930'
930'
1260' 1260'
1250' 1250'
1240' 1240'
1230'
1230'
1210' 1210'
960'
960'
940'
940'
930'
920' 920'
1160'
1160'
1510'
1510'
1470' 1470'
1030'
1030'
1100' 1100'
1290' 1290'
1410' 1410'
1120'
1120'
1110'
1110'
900' 900'
1420' 1420'
1130'
1130'
900' 900'
S.D. COUNTY S.D. COUNTY
W:\17729_SanMarcosDMP\GIS\DeliverableMaps\SMDMP_D_RecFac_Maps_11x17.mxd City of San Marcos - Drainage Master Plan

APPENDIX D
Recommended Improvements - Sheet 244
Major River / Stream
Sub-Catchments
Existing Inventory
#* Channel Confluence
"/ Cleanout
$1 Curb Inlet
$1 Curb Outlet
!( Detention Basin
"/ Inlet
"/ Outlet
$+ Other
2! Separator
l? Outfalls
$ Culvert
$ Channel wider than 5 ft
$ Ditch less than 5 ft wide
$ Elliptical
$ Natural Channel
$ Storm Main
Channel / Ditch Transects
2-YR Flood Inundation
10-YR Flood Inundation
50-YR Flood Inundation
100-YR Flood Inundation
Surcharging Junctions
Recommended Storm Drain
New
Replace
FEMA NFHL Floodplain
100-YR Floodway
100-YR Floodplain
April, 2019
Map Legend
Source: City of San Marcos, Rick Engineering Company,
SANGIS/USGS Aerial Imagery: 11/2014
0 200 400
Scale in Feet [
North
SEE SHEET 236
SEE SHEET 250
SEE SHEET 243

HHAARRDDEELLLL
LLNN

PRIVATE RD PRIVATE RD

EELLPPAASSOOAALLTTOONNOORRTTEE
1470' 1470' 1460' 1460' 1440' 1440' 1430' 1430' 1420' 1420' 1400' 1400' 1390' 1390' 1380' 1380' 1370' 1370' 1360' 1360' 1350' 1350' 1340'
1340' 1330' 1330' 1320' 1320' 1310' 1310' 1300' 1300' 1290' 1290' 1280' 1280' 1270' 1270' 1260' 1260' 1250' 1250' 1240' 1240' 1230' 1230' 1220' 1220' 1210' 1210' 1200' 1200' 1190' 1190' 1180'
1180' 1170' 1170'
1160' 1160' 1150' 1150'
1140'
1140' 1130' 1130' 1120' 1120'
1110'
1110'
1100'
1100'
1090' 1090'
1080'
1080'
1070'
1070'
1060'
1060' 1050' 1050'
1040'
1040'
1030'
1030'
1020' 1020'
1490' 1490'
1480' 1480' 1470' 1470' 1460' 1460' 1450' 1450' 1440' 1440' 1430' 1430' 1420' 1420' 1410' 1410' 1400' 1400' 1390' 1390' 1380' 1380' 1370' 1370' 1360' 1360' 1350' 1350' 1340' 1340' 1330' 1330' 1320' 1320' 1310' 1310' 1300' 1300' 1450' 1450' 1440' 1430' 1420' 1410' 1400' 1390' 1380' 1370' 1360' 1350' 1340' 1330' 1320' 1310' 1300' 1300' 1290' 1280' 1280' 1270' 1260' 1400' 1400' 1390' 1390' 1380' 1380' 1370' 1320' 1320' 1310' 1310' 1300' 1300'
1210' 1210'
1220' 1220'
1200' 1200'
1480' 1480'
1470' 1470' 1460'
1450'
1460' 1460' 1450' 1450'
1460' 1460'
1450' 1450'
1200' 1200' 1190' 1190'
1020' 1020' 1010' 1010'
1000' 1000' 990' 990'
980'
980' 970' 970'
960' 960'
950' 950'
1410'
1000' 1000'
1450' 1450'
1490' 1490'
1480'
1460' 1460'
1220' 1220'
S.D. COUNTY S.D. COUNTY
W:\17729_SanMarcosDMP\GIS\DeliverableMaps\SMDMP_D_RecFac_Maps_11x17.mxd City of San Marcos - Drainage Master Plan

APPENDIX D
Recommended Improvements - Sheet 245
Major River / Stream
Sub-Catchments
Existing Inventory #* Channel Confluence "/ Cleanout $1 Curb Inlet $1 Curb Outlet !( Detention Basin "/ Inlet "/ Outlet $+ Other 2! Separator l? Outfalls $ Culvert $ Channel wider than 5 ft $ Ditch less than 5 ft wide $ Elliptical $ Natural Channel $ Storm Main Channel / Ditch Transects
2-YR Flood Inundation
10-YR Flood Inundation
50-YR Flood Inundation
100-YR Flood Inundation
Surcharging Junctions
Recommended Storm Drain
New
Replace
FEMA NFHL Floodplain
100-YR Floodway
100-YR Floodplain
April, 2019
Map Legend
Source: City of San Marcos, Rick Engineering Company,
SANGIS/USGS Aerial Imagery: 11/2014
0 200 400
Scale in Feet
[
North
SEE SHEET 239
SEE SHEET 251
SEE SHEET 246

EELL PPAASSOO AALLTTOO NNOORRTTEE

EL PASO ALTO EL PASO ALTO

PRIVATE RD PRIVATE RD

EELLPPAASSOOAALLTTOONNOORRTTEE

VALLE PASO VALLE PASO

BRIDLE CREEK LN BRIDLE CREEK LN
1400' 1400'
1390' 1390'
1380' 1380'
1370' 1370'
1360' 1360'
1350' 1350'
1340' 1340'
1330' 1330'
1320' 1320'
1310' 1310'
1300' 1300'
1290' 1290'
1280' 1280'
1270' 1270'
1260' 1260'
1250' 1250'
1240' 1240' 1230' 1230' 1220' 1220'
1200' 1200'
1190' 1190'
1180' 1180'
1170' 1170'
1160' 1160'
1150' 1140'
1210' 1210'
1130' 1130' 1120' 1120'
960' 960'
950' 950'
1240' 1240'
1230' 1230' 1220' 1220' 1210' 1210' 1200' 1200' 1190' 1190' 1180' 1180'
1170' 1170'
1160' 1160'
1150' 1150'
1140' 1140'
1130' 1130'
1120' 1120' 1110' 1110'
1100' 1100'
1090' 1090'
1080' 1080'
1070' 1070' 1060' 1060' 1050' 1050'
1340' 1330' 1320' 1310' 1310' 1300' 1290' 1280' 1280' 1270' 1260' 1250' 1390' 1390' 1380' 1380' 1370' 1370' 1360' 1360' 1350' 1250' 1250' 1240' 1240' 1230' 1230' 1220' 1210' 1200'
1040' 1040' 1030' 1030' 1020' 1020' 1010' 1010'
1000' 1000'
1260' 1260'
1250' 1250' 1240' 1240' 1230' 1230' 1220' 1220'
1020' 1010' 1010'
990' 990'
980' 980'
1000' 1000'
990'
980'
970'
1190' 1190'
1200' 1200'
1210' 1210'
1180' 1180'
990' 980'
970' 970'
1270' 1270' 1260' 1260'
1040' 1040' 1030' 1030'
1010' 1010' 1000' 1000'
1000' 1000'
990' 990'
980' 980'
970' 970'
1420' 1420'
1410' 1410'
1050' 1050'
1040' 1040'
1030' 1020' 1020' 1020'
1010' 1010'
1110' 1110'
1100' 1100'
1090' 1090'
1080' 1080'
1070' 1070'
1060' 1060'
1050' 1050'
1040' 1040'
1030' 1030'
1010'
1010'
970' 970' 1050' 1050'
1000' 1000'
1000' 1000'
1000' 1000'
1000' 1000'
970' 970'
1170'
1060' 1060' 1020' 1020'
980' 980'
980' 980'
970' 970'
970' 970'
950' 950'
940' 940'
1000' 1000'
S.D. COUNTY S.D. COUNTY
W:\17729_SanMarcosDMP\GIS\DeliverableMaps\SMDMP_D_RecFac_Maps_11x17.mxd City of San Marcos - Drainage Master Plan

APPENDIX D
Recommended Improvements - Sheet 246
Major River / Stream
Sub-Catchments
Existing Inventory #* Channel Confluence "/ Cleanout $1 Curb Inlet $1 Curb Outlet !( Detention Basin "/ Inlet "/ Outlet $+ Other 2! Separator l? Outfalls $ Culvert $ Channel wider than 5 ft $ Ditch less than 5 ft wide $ Elliptical $ Natural Channel $ Storm Main Channel / Ditch Transects
2-YR Flood Inundation
10-YR Flood Inundation
50-YR Flood Inundation
100-YR Flood Inundation
Surcharging Junctions
Recommended Storm Drain
New
Replace
FEMA NFHL Floodplain
100-YR Floodway
100-YR Floodplain
April, 2019
Map Legend
Source: City of San Marcos, Rick Engineering Company,
SANGIS/USGS Aerial Imagery: 11/2014
0 200 400
Scale in Feet
[
North
SEE SHEET 240
SEE SHEET 252
SEE SHEET 245SEE SHEET 247

PPRRIIVVAATTEEDDYY
NN

TTWWIINN
OO
AA
KKSS

VVAA LLLLEEYY
RR
DD

PPRRIIVVAATTEE DDYY

EL PASO ALTO EL PASO ALTO

PPRRIIVVAATTEE
RRDD

PRIVATE DY

WW CCAAMM CCAALLAAFFIIAA

PPRRIIVVAATTEE RRDD
1340'
1330'
1330'
1320'
1320'
1310'
1310'
1290'
1290'
1280'
1270'
1260' 1260'
1250' 1250'
1220' 1220'
1210' 1210'
1200'
1200'
1190'
1180'
1170'
1160'
1150'
1150'
1140'
1130'
1130'
1120'
1100'
1100'
1070'
1030'
1020' 1020'
1010'
1010'
1000'
1000'
990'
990'
980' 980'
950'
970'
970'
960'
960'
940'
940'
1300'
1240'
1180' 1180'
1170' 1170'
1160' 1160'
1150' 1150'
1140' 1140'
1130'
1120'
1110'
1100'
1090'
1080'
1070'
1060'
1050'
1040'
1030'
1020'
1010' 1010'
990' 990'
1250'
1250'
1240'
1240'
1230'
1230'
1220'
1220'
1210'
1210'
1200'
1200'
1190'
1190'
1180' 1180'
1170' 1170'
1160'
1160'
1150'
1150'
1140'
1140'
1200'
1170'
1160'
1150'
1150'
1140' 1140'
1130'
1130'
1120'
1190' 1190'
1180'
1180'
1070'
1070'
1060'
1050' 1050'
1040'
1040'
1030' 1030'
1020'
1020'
1010'
1010'
1090' 1090'
1080' 1080'
1070'
1070'
1060' 1060'
1050' 1050'
1090'
1080'
1070' 1070'
1060' 1060'
1050'
1050'
1040'
1040'
1060'
1060'
1050'
1050'
1040'
1030'
1030'
1020'
1020'
1130' 1130'
1120'
1120'
1110'
1110'
1100' 1100'
1110'
1100'
1090'
1070' 1070'
1050'
1050'
1040'
1030'
1030'
1020'
1020'
1010' 1010'
1000'
1000'
990' 990'
980' 980'
970' 970'
1000'
1000'
980'
980'
970'
970'
960'
930'
930'
940' 940'
950' 950'
920'
920'
1060' 1060'
1050'
980' 980'
970' 970'
960' 960'
1260'
1260'
1250'
1250'
1240'
1240'
1230'
1230'
1060'
1060'
1070'
1070'
990' 990'
970'
970'
1000'
990'
980'
980'
970'
990'
980'
980'
980'
970' 970'
960' 960'
960'
960'
950' 950'
1200' 1200'
1190' 1190'
1090' 1090'
1080'
1080'
1060'
1060'
1050' 1050'
1020' 1020'
1010'
980'
980'
970'
970'
930'
930'
920' 920'
910' 910'
910'
910'
900' 900'
1110'
1110'
1040'
1040'
1190'
1000' 1000'
1080'
1080'
1080'
910'
910'
950'
950'
1070'
1070'
1060' 1060'
950' 950'
1260' 1260'
1210'
1160' 1160'
1100'
1100'
980' 980'
970' 970'
950'
950'
950'
950'
910'
910'
900'
900'
900'
900'
S.D. COUNTY S.D. COUNTY
W:\17729_SanMarcosDMP\GIS\DeliverableMaps\SMDMP_D_RecFac_Maps_11x17.mxd City of San Marcos - Drainage Master Plan

APPENDIX D
Recommended Improvements - Sheet 247
Major River / Stream
Sub-Catchments
Existing Inventory
#* Channel Confluence
"/ Cleanout
$1 Curb Inlet
$1 Curb Outlet
!( Detention Basin
"/ Inlet
"/ Outlet
$+ Other
2! Separator
l? Outfalls
$ Culvert
$ Channel wider than 5 ft
$ Ditch less than 5 ft wide
$ Elliptical
$ Natural Channel
$ Storm Main
Channel / Ditch Transects
2-YR Flood Inundation
10-YR Flood Inundation
50-YR Flood Inundation
100-YR Flood Inundation
Surcharging Junctions
Recommended Storm Drain
New
Replace
FEMA NFHL Floodplain
100-YR Floodway
100-YR Floodplain
April, 2019
Map Legend
Source: City of San Marcos, Rick Engineering Company,
SANGIS/USGS Aerial Imagery: 11/2014
0 200 400
Scale in Feet [
North
SEE SHEET 241
SEE SHEET 253
SEE SHEET 246SEE SHEET 248

PPRRIIVVAATTEE RRDD

PPRRIIVVAATTEE DDYY

PPRRIIVVAATT EE
RRDD

PPRRIIVVAATTEE DDYY

PPRRIIVVAATTEEDDYY

PPRRIIVVAATTEEDDYY

PPRRIIVVAATTEERRDD
PPRRI

IVVAATTEEDDYY

PPRRIIVVAATTEE DDYY
1380'
1380'
1370' 1370'
1360'
1360'
1350' 1350'
1340'
1340'
1330'
1330'
1320' 1320'
1300'
1300'
1280'
1280'
1270' 1270'
1260' 1260'
1230'
1230'
1220' 1220'
1210' 1210'
1190' 1190'
1180' 1180'
1160' 1160'
1150' 1150'
1130'
1130'
1290'
1290'
1250' 1250'
1240'
1240'
1200'
1200'
1170'
1170'
1140'
1140'
1120'
1120'
1110'
1110'
1430' 1430'
1420' 1420'
1410' 1410'
1400' 1400'
1400' 1400'
1390' 1390'
1380' 1380'
1370'
1360' 1360'
1350'
1350'
1340' 1340'
1330'
1330'
1320' 1320'
1310'
1310'
1300'
1300'
1290'
1290'
1280'
1280'
1270' 1270'
1260'
1260'
1250'
1250'
1240' 1240'
1230'
1230'
1180' 1180'
1160'
1160'
1150'
1150'
1140' 1140'
1130'
1130'
1220'
1220'
1210'
1210'
1200'
1200'
1190'
1190'
1170' 1170'
1120'
1120'
1110' 1110'
1100'
1100'
1090'
1090'
1080'
1080'
1060'
1050'
1050'
1420' 1420'
1410'
1410'
1400' 1400'
1390'
1390'
1380'
1380'
1260'
1260'
1250'
1250'
1240' 1240'
1230' 1230'
1220' 1220'
1210'
1210'
1150' 1150'
1140' 1140'
1130' 1130'
1110'
1110'
1140' 1140'
1130'
1130'
1120'
1120'
1110' 1110'
1100' 1100'
1420' 1420'
1410'
1410'
1400' 1400'
1390'
1390'
1380'
1380'
1370' 1370'
1330'
1330'
1340' 1340'
1320' 1320'
1280' 1280'
1270'
1270'
1250' 1250'
1220' 1220'
1210' 1210'
1200' 1200'
1190'
1190'
1180'
1180'
1190'
1190'
1180'
1180'
1170'
1380'
1370' 1370'
1360'
1360'
1350' 1350'
1340' 1340'
1330' 1330'
1320'
1320'
1310' 1310'
1310' 1310'
1300'
1300'
1290'
1290'
1300' 1300'
1280'
1280'
1200' 1200'
1190'
1190'
1180' 1180'
1190' 1190'
1170'
1170'
1180' 1180'
1170'
1170'
1180'
1170'
1160'
1100'
1100'
1090'
1090'
1080' 1080'
1390'
1390'
1380' 1380'
1220' 1220'
1210'
1210'
1230'
1220' 1220'
1450' 1450'
1440' 1440'
1320'
1320'
1310' 1310'
1180'
1180'
1170' 1170'
1310'
1220'
1220'
1370'
1390' 1390'
1260'
1260'
1390'
1390'
1210'
1210'
1190'
1190'
1300' 1300'
1270' 1270'
1170'
1170'
1160' 1160'
1170' 1170'
1150' 1150'
1410'
1410'
1240'
1240'
1210'
1210'
1160' 1160'
1160'
1160'
1150' 1150'
S.D. COUNTY S.D. COUNTY
W:\17729_SanMarcosDMP\GIS\DeliverableMaps\SMDMP_D_RecFac_Maps_11x17.mxd City of San Marcos - Drainage Master Plan

APPENDIX D
Recommended Improvements - Sheet 248
Major River / Stream
Sub-Catchments
Existing Inventory
#* Channel Confluence
"/ Cleanout
$1 Curb Inlet
$1 Curb Outlet
!( Detention Basin
"/ Inlet
"/ Outlet
$+ Other
2! Separator
l? Outfalls
$ Culvert
$ Channel wider than 5 ft
$ Ditch less than 5 ft wide
$ Elliptical
$ Natural Channel
$ Storm Main
Channel / Ditch Transects
2-YR Flood Inundation
10-YR Flood Inundation
50-YR Flood Inundation
100-YR Flood Inundation
Surcharging Junctions
Recommended Storm Drain
New
Replace
FEMA NFHL Floodplain
100-YR Floodway
100-YR Floodplain
April, 2019
Map Legend
Source: City of San Marcos, Rick Engineering Company,
SANGIS/USGS Aerial Imagery: 11/2014
0 200 400
Scale in Feet [
North
SEE SHEET 242
SEE SHEET 254
SEE SHEET 247SEE SHEET 249
1290' 1290'
1280' 1280'1270'
1270'
1260' 1260'
1250' 1250'
1240'
1240'
1230'
1230'
1220' 1220'
1210' 1210'
1200' 1200'
1190' 1190'
1180' 1180'
1170'
1170'
1160'
1160'
1150'
1150'
1140'
1140'
1130'
1120'
1120'
1110' 1110'
1100' 1100'
1090' 1090'
1080' 1080'
1070' 1070'
1060' 1060'150' 1050'
1040' 1040'
1030' 1030'
1020' 1020'
1300'
1300'
1010' 1010'
1000' 1000'
990'
990'
980'
980'
970' 970'
960' 960'
950'
950'
940' 940'
930'
930'
1310'
1320' 1320'
1310'
1300'
1300'
1290' 1290'
1280'
1280'
1270'
1270'
1260'
1260'
1230' 1230'
1220'
1220'
1210'
1210'
1200'
1200'
1190' 1190'
1180' 1180'
1170' 1170'
1160'
1160'
1140'
1150' 1150'
1140'
1130' 1130'
1120'
1120'
1050' 1050'
1040' 1040'
1030'
1030'
1240'
1240'
1110' 1110'
1100'
1100'
1090'
1090'
1080'
1080'
1070' 1070'
1060'
1060'
1010'
1010'
1000'
1000'
990' 990'
980'
980'
970'
970'
1110' 1110'
1100' 1100'
1090' 1090'
1080'
1050'
1040'
1020' 1020'
1010'
1010'
1000' 1000'
990' 990'
980' 980'
970' 970'
1210'
1210'
1200'
1200'
1190'
1190'
1180'
1180'
1170' 1170'
1160' 1160'
1150' 1150'
1140' 1140'
1130' 1130'
1120' 1120'
1300' 1300'
1290'
1290'
1280'
1280'
1270'
1270'
1260'
1260'
1250'
1250'
1230' 1230'
1240'
1240'
1220' 1220'
1210' 1210'
1200' 1200'
1260'
1260'
1250' 1250'
1240'
1240'
1230'
1230'
1220'
1220'
1200' 1200'
1190' 1190'
1180'
1180'
1210' 1210'
1170'
1170'
1160' 1160'
1150'
1150'
1140'
1140'
1130'
1130'
1120'
1120'
1100' 1100'
1090' 1090'
1080' 1080'
1070' 1070'
1060' 1060'
1050' 1050'
1040' 1040'
1030' 1030'
1290'
1290'
1280'
1280'
1270'
1270'
1260'
1260'
1250'
1250'
1300' 1300'
1290' 1290'
1280' 1280'
1270' 1270'
1110' 1110'
1100'
1100'
1090' 1090'
1080' 1080'
1240'
1240'
1230'
1230'
1220'
1220'
1240' 1240'
1230'
1230'
1220'
1220' 1210' 1210'
1200'
1200'
1210' 1210'
1200'
1200'
1190'
1190'
1040' 1040'
1030'
1030'
1020'
1020'
1240'
1230'
1240'
1240'
1230'
1200' 1200'
1190'
1190'
1180'
1180'
1100' 1100'
1090' 1090'
1220'
1220'
1210' 1210'
920'
920'
910'
910'
900'
900'
890'
890'
880'
880'
1340' 1340'
1330' 1330'
1250'
1020'
1020'
1070' 1070'
1060' 1060'
1030' 1030'
1220' 1220'
1310' 1310'
1190'
1190'
1170' 1170'
1110'
1110'
1090'
1090'
1220' 1220'
1210'
1210'
1240' 1240' 1240' 1240'
1180'
1180'
1070'
1300'
1300'
1280'
1280'
1270' 1270'
1260' 1260'
1250' 1250'
1220'
1220'
1220'
1220'
1190' 1190'
1130' 1130'
1060' 1060'
1210'
1210'
S.D. COUNTY S.D. COUNTY
W:\17729_SanMarcosDMP\GIS\DeliverableMaps\SMDMP_D_RecFac_Maps_11x17.mxd City of San Marcos - Drainage Master Plan

APPENDIX D
Recommended Improvements - Sheet 249
Major River / Stream
Sub-Catchments
Existing Inventory
#* Channel Confluence
"/ Cleanout
$1 Curb Inlet
$1 Curb Outlet
!( Detention Basin
"/ Inlet
"/ Outlet
$+ Other
2! Separator
l? Outfalls
$ Culvert
$ Channel wider than 5 ft
$ Ditch less than 5 ft wide
$ Elliptical
$ Natural Channel
$ Storm Main
Channel / Ditch Transects
2-YR Flood Inundation
10-YR Flood Inundation
50-YR Flood Inundation
100-YR Flood Inundation
Surcharging Junctions
Recommended Storm Drain
New
Replace
FEMA NFHL Floodplain
100-YR Floodway
100-YR Floodplain
April, 2019
Map Legend
Source: City of San Marcos, Rick Engineering Company,
SANGIS/USGS Aerial Imagery: 11/2014
0 200 400
Scale in Feet [
North
SEE SHEET 243
SEE SHEET 255
SEE SHEET 248SEE SHEET 250

PPRRIIVVAATTEE
RRDD
1480' 1480'
1470' 1470'
1460' 1460'
1450'
1450'
1440'
1440'
1430'
1430'
1420'
1420'
1410'
1410'
1400'
1400'
1390'
1390'
1380'
1380'
1370'
1370'
1360'
1360'
1350'
1350'
1340' 1340'
1330'
1330'
1320'
1320'
1310' 1310'
1300'
1300'
1290' 1290'
1280' 1280'
1270'
1270'
1260' 1260'
1240' 1240'
1210'
1210'
1200' 1200'
1220'
1220'
1190'
1190'
1170'
1170'
1180'
1180'
1120'
1120'
1130' 1130'
1150'
1150'
1160'
1160'
1110'
1110'
1100' 1100'
1090' 1090'
1070'
1070'
1080' 1080'
1040' 1040'
1050' 1050'
1060' 1060'
1470'
1460'
1450'
1440'
1440'
1430'
1430'
1420' 1420'
1410' 1410'
1400' 1400'
1390' 1390'
1380' 1380'
1370' 1370'
1360'
1360'
1340'
1330'
1320'
1320'
1310'
1310'
1300'
1300'
1290'
1290'
1280'
1270'
1260'
1250'
1250'
1240'
1230'
1220'
1210' 1210'
1200'
1190'
1190'
1530'
1520' 1520'
1510' 1510'
1490'
1490'
1480' 1480'
1290'
1290'
1280' 1280'
1270'
1260'
1250'
1240' 1240'
1230' 1230'
1220'
1220'
1210'
1210'
1200'
1200'
1190'
1190'
1180'
1180'
1170'
1170'
1160'
1160'
1150' 1150'
1140'
1140'
1120' 1120'
1110' 1110'
1100'
1100'
1130' 1130'
1090'
1090'
1250'
1250'
1240'
1230' 1230'
1220'
1210'
1200' 1200'
1190' 1190'
1180' 1180'
1170'
1150'
1140'
1130'
1130'
1120' 1120'
1110'
1100'
1100'
1090' 1090'
1080'
1070'
1060'
1060'
1370' 1370'
1360'
1360'
1350' 1350'
1340'
1340'
1330'
1330'
1320' 1320'
1310' 1310'
1300' 1300'
1290'
1290'
1280' 1280'
1270'
1270'
1260'
1260'
1250'
1250'
1240' 1240'
1330' 1330'
1320' 1320'
1310'
1310'
1300'
1300'
1290'
1290'
1280'
1280'
1270' 1270'
1260' 1260'
1250' 1250'
1260'
1260'
1250'
1250'
1240' 1240'
1230' 1230'
1190'
1190'
1180' 1180'
1170' 1170'
1160'
1160'
1150' 1150'
1140'
1140'
1530' 1530'
1520' 1520'
1510'
1510'
1500'
1500'
1490'
1490'
1380' 1380'
1370' 1370'
1360' 1360'
1350'
1350'
1370'
1370'
1360'
1360'
1360'
1360'
1340'
1340'
1300'
1300'
1290' 1290'
1280'
1280'
1310' 1310'
1300' 1300'
1290' 1290'
1300'
1300'
1290'
1290'
1290'
1290'
1270'
1270'
1290'
1290'
1280'
1280'
1290'
1290'
1280'
1280'
1270'
1270'
1260' 1260'
1250' 1250'
1240' 1240'
1210' 1210'
1200' 1200'
1330' 1330'
1320'
1320'
1320' 1320'
1310'
1310'
1320'
1310'
1310'
1300' 1300'
1290' 1290'
1290' 1290'
1280'
1280'
1290' 1290'
1280'
1280'
1250'
1250'
1240'
1240'
1250'
1250'
1230'
1230'
1180'
1170'
1180'
1180'
1170' 1170'
1390'
1390'
1380'
1380'
1160'
1160'
1150'
1150'
1030' 1030'
1020' 1020'
1250'
1250'
1140' 1140'
1350' 1350'
1070'
1070'
1160'
1160'
1230' 1230'
1220' 1220'
1390'
1270' 1270'
1260' 1260'
1250' 1250'
1330'
1330'
1320' 1320'
1290' 1290'
1280'
1290'
1290'
1280'
1280'
1250'
1250'
1240'
1230' 1230'
1380'
1380'
1370'
1370'
1360'
1360'
1350' 1350'
1330'
1330'
1310'
1310'
1300' 1300'
1300' 1300'
1270' 1270'
1270' 1270'
1250' 1250'
1220'
1220'
1010' 1010'
1280' 1280'
S.D. COUNTY S.D. COUNTY
W:\17729_SanMarcosDMP\GIS\DeliverableMaps\SMDMP_D_RecFac_Maps_11x17.mxd City of San Marcos - Drainage Master Plan

APPENDIX D
Recommended Improvements - Sheet 250
Major River / Stream
Sub-Catchments
Existing Inventory
#* Channel Confluence
"/ Cleanout
$1 Curb Inlet
$1 Curb Outlet
!( Detention Basin
"/ Inlet
"/ Outlet
$+ Other
2! Separator
l? Outfalls
$ Culvert
$ Channel wider than 5 ft
$ Ditch less than 5 ft wide
$ Elliptical
$ Natural Channel
$ Storm Main
Channel / Ditch Transects
2-YR Flood Inundation
10-YR Flood Inundation
50-YR Flood Inundation
100-YR Flood Inundation
Surcharging Junctions
Recommended Storm Drain
New
Replace
FEMA NFHL Floodplain
100-YR Floodway
100-YR Floodplain
April, 2019
Map Legend
Source: City of San Marcos, Rick Engineering Company,
SANGIS/USGS Aerial Imagery: 11/2014
0 200 400
Scale in Feet [
North
SEE SHEET 244
SEE SHEET 256
SEE SHEET 249

PPRRIIVVAATTEE RRDD

PPRRIIVVAATTEE RRDD PPRRIVIVAATTEE RRDD
1600'
1600'
1590' 1590'
1580'
1580'
1570' 1570'
1560' 1560'
1550' 1550'
1540' 1540'
1530' 1530'
1520' 1520'
1510' 1510'
1500'
1500'
1490'
1490'
1480'
1480'
1470' 1470'
1460'
1460'
1450'
1450'
1440'
1440'
1430'
1430'
1420'
1420'
1410'
1410'
1400' 1400'
1390' 1390'
1380'
1380'
1370' 1370'
1360' 1360'
1350' 1350'
1340'
1340'
1330' 1330'
1320' 1320'
1310' 1310'
1300'
1300'
1290'
1290'
1280'
1280'
1270' 1270'
1260' 1260'1250' 1250'
1240' 1240' 1230'
1230'
1220' 1220'
1210' 1210'
1200' 1200'
1190'
1190'
1180' 1180'
1170' 1170'
1160' 1160'
1430' 1430'
1420'
1420'
1410' 1410'
1400' 1400'
1390' 1390'
1380' 1380'
1370'
1370'
1360'
1360'
1350'
1350'
1340' 1340'
1640'
1640'
1630'
1630'
1620'
1620'
1610'
1610'
1600' 1600'
1590' 1590'
1580'
1580'
1570' 1570'
1560' 1560'
1550'
1550'
1630'
1630'
1610'
1610'
1250' 1250'
1240' 1240'
1230'
1230'
1220'
1220'
1660' 1660'
1650'
1650'
1330' 1330'
1320'
1320'
1320' 1320'
1310'
1300' 1300'
1180' 1180'
1170'
1170'
1130' 1130'
1120' 1120'
1620'
1620'
1150'
1140'
1140'
1330' 1330'
1450'
1440' 1440'
1320'
1320'
1290' 1290'
1180' 1180'
1170' 1170'
S.D. COUNTY S.D. COUNTY
W:\17729_SanMarcosDMP\GIS\DeliverableMaps\SMDMP_D_RecFac_Maps_11x17.mxd City of San Marcos - Drainage Master Plan

APPENDIX D
Recommended Improvements - Sheet 251
Major River / Stream
Sub-Catchments
Existing Inventory
#* Channel Confluence
"/ Cleanout
$1 Curb Inlet
$1 Curb Outlet
!( Detention Basin
"/ Inlet
"/ Outlet
$+ Other
2! Separator
l? Outfalls
$ Culvert
$ Channel wider than 5 ft
$ Ditch less than 5 ft wide
$ Elliptical
$ Natural Channel
$ Storm Main
Channel / Ditch Transects
2-YR Flood Inundation
10-YR Flood Inundation
50-YR Flood Inundation
100-YR Flood Inundation
Surcharging Junctions
Recommended Storm Drain
New
Replace
FEMA NFHL Floodplain
100-YR Floodway
100-YR Floodplain
April, 2019
Map Legend
Source: City of San Marcos, Rick Engineering Company,
SANGIS/USGS Aerial Imagery: 11/2014
0 200 400
Scale in Feet [
North
SEE SHEET 245
SEE SHEET 252

NN TTWW IINN OOAAKKSS VVAALL LLEEYY RRDD

PRIVATE RD PRIVATE RD

CCAALLLLEE
DDEE
CC

RRIISSTTOO

TWIN OAKS CREST DR TWIN OAKS CREST DR

PPRRIIVVAATTEE
RRDD

PPRRIIVVAATTEE
RRDD
1270'
1250' 1240' 1230' 1220' 1210' 1200' 1190' 1180' 1180' 1170' 1170' 1160' 1160' 1150' 1150' 1140' 1140' 1130' 1130'
1120' 1120' 1110' 1110' 1100' 1100'
1090' 1090' 1080' 1080'
1250' 1250'
1240' 1240'
1230' 1230'
1220' 1220'
1210' 1210'
1200' 1200'
1190' 1190'
1180' 1180'
1170' 1170'
1160' 1160' 1150' 1150'
1060' 1060' 1050' 1050' 1040' 1040'
1030' 1030' 1020' 1020'
1000' 1000'
990' 990'
980' 980'
1040' 1030' 1030' 1020'
1010' 1010'
990' 990'
980'
1060' 1060'
1050' 1050'
1050' 1050' 1040' 1040' 1030' 1030' 1020' 1020' 1010' 1010'1000' 1000'990' 990' 980' 980' 1210' 1210'
1200' 1200' 1190' 1190' 1180' 1180' 1170' 1170'
1020' 1020'
1010' 1010' 1000' 1000'
1040' 1040' 1030' 1030'
990' 990'
980' 980'
1110' 1110'
1100'
1100'
1060' 1060'
1050' 1050'
1060' 1060'
1050' 1050'
1050' 1050' 1040' 1040'
1040' 1040'
1030'
1030'
1050' 1050'
1040' 1040'
1030' 1030'
1050' 1050' 1040' 1040'
1030' 1030'
1040' 1040' 1030' 1030'
1080' 1080' 1070' 1070'
1070' 1070'
1060' 1060'
970' 970' 960' 960'
1140' 1140'
1010'
1070' 1070'
1010'
1000'
970' 970'
1160' 1160'
1150' 1150'
1120' 1120'
1240' 1240'
1120' 1120'
1120' 1120'
1120' 1120'
1120' 1120'
1060' 1060'
1050'
1050' 1050'
1030' 1030'
1030' 1030'
970' 970'
1100' 1100'
1070' 1070'
S.D. COUNTY S.D. COUNTY
W:\17729_SanMarcosDMP\GIS\DeliverableMaps\SMDMP_D_RecFac_Maps_11x17.mxd City of San Marcos - Drainage Master Plan

APPENDIX D
Recommended Improvements - Sheet 252
Major River / Stream
Sub-Catchments
Existing Inventory #* Channel Confluence "/ Cleanout $1 Curb Inlet $1 Curb Outlet !( Detention Basin "/ Inlet "/ Outlet $+ Other 2! Separator l? Outfalls $ Culvert $ Channel wider than 5 ft $ Ditch less than 5 ft wide $ Elliptical $ Natural Channel $ Storm Main Channel / Ditch Transects
2-YR Flood Inundation
10-YR Flood Inundation
50-YR Flood Inundation
100-YR Flood Inundation
Surcharging Junctions
Recommended Storm Drain
New
Replace
FEMA NFHL Floodplain
100-YR Floodway
100-YR Floodplain
April, 2019
Map Legend
Source: City of San Marcos, Rick Engineering Company,
SANGIS/USGS Aerial Imagery: 11/2014
0 200 400
Scale in Feet
[
North
SEE SHEET 246
SEE SHEET 251SEE SHEET 253

PPRRIIVVAATTEE RRDD

PPRRIIVVAATTEERRDD

PRIVATE DY PRIVATE DY

PPRRIIVVAATTEEDDYY

PPRRIIVVAATTEERRDD

N TWIN OAKS VALLEY RD

CALLE DE CRISTO
TTWWII

NNOOAAKKSS CCRREESSTT DDRR
1360'
1360'
1350'
1350'
1340' 1340'
1330'
1330'
1320'
1320'
1310'
1310'
1300'
1300'
1290'
1290'
1280'
1280'
1270'
1270'
1260'
1260'
1240'
1240'
1230' 1230'
1220' 1220'
1210' 1210'
1200' 1200'
1180' 1180'
1170' 1170'
1160'
1160'
1150' 1150'
1140'
1140'
1130'
1130'
1120'
1120'
1110'
1110'
1100'
1100'
1090' 1090'
1080' 1080'
1070'
1070'
1390'
1390'
1380' 1380'
1250' 1250'
1190'
1190'
1060' 1060'
1050' 1050'
1040' 1040'
1030' 1030'
1010'
1020' 1020'
1010'
1000' 1000'
1480'
1470'
1460' 1460'
1450' 1450'
1440'
1430'
1420'
1410'
1400'
1390'
1380'
1370'
1360'
1360'
1350'
1340'
1330' 1330'
1320'
1310'
1300'
1280' 1280'
1270'
1260'
1260'
1250'
1250'
1400' 1400'
1390'
1390'
1380'
1380'
1370' 1370'
1360' 1360'
1350' 1350'
1340' 1340'
1330'
1330'
1320' 1320'
1330' 1330'
1320' 1320'
1310' 1310'
1300' 1300'
1290' 1290'
1280' 1280'
1270' 1270'
1260'
1260'
1250'
1250'
1240' 1240'
1340'
1330'
1330'
1320'
1320'
1310'
1310'
1300'
1290'
1280'
1330'
1330'
1320'
1320'
1310'
1310'
1300'
1300'
1290'
1290'
1280' 1280'
1050'
1050'
1040' 1040'
1030' 1030'
1020' 1020'
1010'
1010'
1000' 1000'
1290'
1280'
1270'
1260' 1260'
1250' 1250'
1350'
1340' 1340'
1300' 1300'
1290' 1290'
1280'
1280'
1250' 1250'
1240' 1240'
1230' 1230'
1220'
1220'
1000'
1000'
990'
990'
980'
1370'
1370'
1360'
1360'
1230'
1230'
1220'
1220'
1370'
1370'
990' 990'
1290'
1240'
1240' 1230' 1230'
1410'
1410'
1310' 1310'
1350'
1350'
990' 990'
1330'
1330'
1370'
1350'
1350'
1320'
1320'
970'
1360'
1360'
1330' 1330'
1310'
1310'
1260' 1260'
1260' 1260'
1240' 1240'
1120' 1120'
1070'
1070'
1030' 1030'
1030'
1030'
990' 990'
S.D. COUNTY S.D. COUNTY
W:\17729_SanMarcosDMP\GIS\DeliverableMaps\SMDMP_D_RecFac_Maps_11x17.mxd City of San Marcos - Drainage Master Plan

APPENDIX D
Recommended Improvements - Sheet 253
Major River / Stream
Sub-Catchments
Existing Inventory
#* Channel Confluence
"/ Cleanout
$1 Curb Inlet
$1 Curb Outlet
!( Detention Basin
"/ Inlet
"/ Outlet
$+ Other
2! Separator
l? Outfalls
$ Culvert
$ Channel wider than 5 ft
$ Ditch less than 5 ft wide
$ Elliptical
$ Natural Channel
$ Storm Main
Channel / Ditch Transects
2-YR Flood Inundation
10-YR Flood Inundation
50-YR Flood Inundation
100-YR Flood Inundation
Surcharging Junctions
Recommended Storm Drain
New
Replace
FEMA NFHL Floodplain
100-YR Floodway
100-YR Floodplain
April, 2019
Map Legend
Source: City of San Marcos, Rick Engineering Company,
SANGIS/USGS Aerial Imagery: 11/2014
0 200 400
Scale in Feet [
North
SEE SHEET 247
SEE SHEET 257
SEE SHEET 252SEE SHEET 254

CCAAMM MMAAYYOORR

PPRRIVIVAATTEE RRDD

PPRRIIVVAATTEE RRDD
1590' 1590'
1580' 1580'
1570'
1570'
1560' 1560'
1550' 1550'
1540'
1540'
1530'
1530'
1510' 1510'
1500' 1500'
1490' 1490'
1480'
1480'
1470' 1470'
1460'
1460'
1450'
1450'
1440' 1440'
1430' 1430'
1420' 1420'
1410' 1410'
1400' 1400'
1390'
1390'
1380'
1380'
1370'
1370'
1360' 1360'
1350'
1350'
1340' 1340'
1330' 1330'
1300'
1300'
1340' 1340'
1330' 1330'
1320' 1320'
1310'
1310'
1300' 1300'
1290'
1290'
1280'
1280'
1270'
1270'
1260' 1260'
1360' 1360'
1350'
1350'
1340' 1340'
1330'
1330'
1320' 1320'
1310' 1310'
1300'
1300'
1290'
1290'
1340' 1340'
1330'
1330'
1320'
1320'
1310'
1310'
1290' 1290'
1280'
1280'
1270' 1270'
1330'
1330'
1320' 1320'
1310'
1310'
1300'
1300'
1290' 1290'
1280' 1280'
1270' 1270'
1260' 1260'
1250'
1250'
1480'
1480'
1470' 1470'
1460' 1460'
1450' 1450'
1440' 1440'
1430'
1430'
1420' 1420'
1490'
1490'
1480'
1480'
1470' 1470'
1460'
1460'
1450'
1450'
1440' 1440'
1410'
1410'
1400'
1400'
1380'
1380'
1390' 1390'
1370'
1370'
1380'
1370'
1360'
1350'
1340' 1340'
1330' 1330'
1440'
1430'
1420'
1420'
1410' 1410'
1400' 1400'
1370'
1370'
1350' 1350'
1340' 1340'
1330'
1330'
1320'
1320'
1340'
1340'
1330' 1330'
1320' 1320'
1310' 1310'
1470'
1470'
1460' 1460'
1450'
1440'
1440'
1430'
1430'
1370'
1360' 1360'
1300' 1300'
1290' 1290'
1460'
1460'
1450'
1450'
1410' 1410'
1400' 1400'
1370' 1370'
1360' 1360'
1450'
1450'
1440'
1440'
1430' 1430'
1420' 1420'
1350' 1350'
1340' 1340'
1320' 1320'
1310'
1260' 1260'
1250'
1250'
1250'
1250'
1240'
1240'
1600' 1600'
1520' 1520'
1310' 1310'
1280' 1280'
1340'
1340'
1490' 1490'
1390'
1390'
1360'
1360'
1420' 1420'
1310'
1310'
1430' 1430'
1420'
1420'
1380' 1380'
1490' 1490'
1440' 1440'
1430'
1430'
1340'
1340'
1320' 1320'
S.D. COUNTY S.D. COUNTY
W:\17729_SanMarcosDMP\GIS\DeliverableMaps\SMDMP_D_RecFac_Maps_11x17.mxd City of San Marcos - Drainage Master Plan

APPENDIX D
Recommended Improvements - Sheet 254
Major River / Stream
Sub-Catchments
Existing Inventory
#* Channel Confluence
"/ Cleanout
$1 Curb Inlet
$1 Curb Outlet
!( Detention Basin
"/ Inlet
"/ Outlet
$+ Other
2! Separator
l? Outfalls
$ Culvert
$ Channel wider than 5 ft
$ Ditch less than 5 ft wide
$ Elliptical
$ Natural Channel
$ Storm Main
Channel / Ditch Transects
2-YR Flood Inundation
10-YR Flood Inundation
50-YR Flood Inundation
100-YR Flood Inundation
Surcharging Junctions
Recommended Storm Drain
New
Replace
FEMA NFHL Floodplain
100-YR Floodway
100-YR Floodplain
April, 2019
Map Legend
Source: City of San Marcos, Rick Engineering Company,
SANGIS/USGS Aerial Imagery: 11/2014
0 200 400
Scale in Feet [
North
SEE SHEET 248
SEE SHEET 258
SEE SHEET 253SEE SHEET 255
1370' 1370' 1360' 1360' 1350' 1350' 1340' 1340' 1330' 1330' 1320' 1320' 1310' 1310' 1300' 1300' 1290' 1290' 1280' 1280' 1270' 1270' 1260' 1260' 1230' 1220' 1220' 1210' 1210' 1200' 1200' 1190' 1180' 1170' 1170' 1160' 1160' 1150' 1150' 1130' 1130' 1120' 1120' 1110' 1140' 1140'
1100' 1100' 1090' 1090' 1080' 1080' 1070' 1070'
1410'
1400'
1390' 1390'
1380' 1380'
1370' 1370'
1360' 1360'
1350' 1350'
1340' 1340'
1330' 1330' 1320' 1320'
1310' 1310'
1300' 1300'
1290' 1290'
1280' 1280'
1270' 1270'
1260' 1260'
1250' 1250'
1240' 1240'
1230' 1230'
1220' 1220' 1210' 1210'
1200' 1200'1190' 1190'
1180' 1180'
1340' 1340'
1330'
1330' 1320' 1320' 1310' 1310'
1300' 1300' 1290' 1290' 1280' 1280' 1270' 1270' 1250' 1250' 1240' 1240' 1230'
1230'
1330' 1330'
1320' 1320'
1310' 1310'
1290' 1290'
1270' 1270'
1260' 1260'
1250' 1250'
1300'
1280'
1340' 1340' 1330' 1330'
1320' 1320'
1270' 1260'
1240' 1240' 1230' 1230'
1050' 1050' 1040' 1040' 1030' 1030' 1020' 1020'
1340' 1340' 1330'
1320' 1320'
1300' 1300'
1400' 1400'
1390' 1390'
1330' 1320' 1320'
1310' 1310'
1300' 1300'
1240' 1240' 1230' 1230'
1320' 1320' 1310' 1310'
1230' 1230'
1220' 1220'
1220' 1220' 1210' 1210'
1010' 1010'
1000' 1000'
1380' 1380'
1250' 1250'
1240'
1440' 1440'
1430'
1420' 1420'
1260' 1260'
1350' 1350'
1310'
1250' 1250'
1060' 1060'
1350' 1350'
1310' 1310'
1440' 1440'
1320' 1320'
1320' 1320'
1020' 1020'
1440' 1440'
1370' 1370'
1350' 1350'
1340' 1340'
1320' 1320'
1310' 1310'
1290' 1290' 1280' 1280'
1280' 1280'
1280' 1280'
1250' 1250'
1250' 1250'
1250' 1250'
1240'
1240'
1240'
1230'
1230' 1230'
1220' 1220'
1230'
1230'
1230' 1230'
1220' 1220'
1190'
1190' 1190'
1170' 1170'
S.D. COUNTY S.D. COUNTY
W:\17729_SanMarcosDMP\GIS\DeliverableMaps\SMDMP_D_RecFac_Maps_11x17.mxd City of San Marcos - Drainage Master Plan

APPENDIX D
Recommended Improvements - Sheet 255
Major River / Stream
Sub-Catchments
Existing Inventory #* Channel Confluence "/ Cleanout $1 Curb Inlet $1 Curb Outlet !( Detention Basin "/ Inlet "/ Outlet $+ Other 2! Separator l? Outfalls $ Culvert $ Channel wider than 5 ft $ Ditch less than 5 ft wide $ Elliptical $ Natural Channel $ Storm Main Channel / Ditch Transects
2-YR Flood Inundation
10-YR Flood Inundation
50-YR Flood Inundation
100-YR Flood Inundation
Surcharging Junctions
Recommended Storm Drain
New
Replace
FEMA NFHL Floodplain
100-YR Floodway
100-YR Floodplain
April, 2019
Map Legend
Source: City of San Marcos, Rick Engineering Company,
SANGIS/USGS Aerial Imagery: 11/2014
0 200 400
Scale in Feet
[
North
SEE SHEET 249
SEE SHEET 254SEE SHEET 256

CHAMPAGNE BL
§¨¦15
1360'
1360'
1350'
1350'
1340'
1340'
1330'
1330'
1320'
1320'
1310' 1310'
1300' 1300'
1290' 1290'
1280' 1280'
1270'
1260' 1260'
1250' 1250'
1240'
1240'
1230' 1230'
1220'
1210'
1210'
1190'
1190'
1180' 1180'
1170'
1170'
1160'
1160'
1150'
1150'
1140' 1140'
1120'
1120'
1110' 1110'
1100' 1100'
1090' 1090'
1080' 1080'
1070' 1070'
1010'
1000'
990'
980'
980'
970'
970'
960'
960'
950' 950'
940' 940'
930' 930'
920'
910'
910'
1370' 1370'
1200'
1200'
1130'
1060' 1060'
1050' 1050'
1030' 1030'
1020'
1020'
1370'
1370'
1360' 1360'
1350' 1350'
1340' 1340'
1330' 1330'
1320' 1320'
1310'
1310'
1300' 1300'
1290' 1290'
1280' 1280'
1270'
1270'
1260'
1260'
1250'
1250'
1240'
1240'
1230' 1230'
800'
800'
790'
780'
770'
760'
750'
740'
890'
890'
880'
880'
870'
850'
840'
840'
830' 830'
1280' 1280'
1270' 1270'
1250'
1250'
1240' 1240'
1230'
1230'
1220' 1220'
1210' 1210'
1200'
1200'
1190' 1190'
1320' 1320'
1300'
1300'
1310' 1310'
1280'
1280'
1290'
1290'
1250'
1250'
1260' 1260'
1270' 1270'
1400' 1400'
1390' 1390'
1380'
1380'
1370'
1370'
1360' 1360'
1350' 1350'
1340' 1340'
1330' 1330'
1320'
1320'
1310'
1310'
1320' 1320'
1310'
1310'
1300' 1300'
1330' 1330'
1290' 1290'
1260' 1260'
1250'
1250'
1240'
1240'
1230' 1230'
1220' 1220'
1210' 1210'
1340' 1340'
1330' 1330'
1340'
1340'
1330'
1330'
1320'
1320'
1310'
1310'
1290'
1290'
1300'
1300'
1290' 1290'
1210' 1210'
1200' 1200'
1190'
1190'
820' 820'
810' 810'
800' 800'
790'
790'
1330'
1330'
1320' 1320'
1260' 1260'
1250' 1250'
1200'
1200'
1190' 1190'
1050'
1050'
1040'
1040'
1200'
1200'
1190'
1190'
1190' 1190'
1180'
1180'
1120' 1120'
1110'
1110'
1040'
1040'
900'
900'
1220'
1220'
860' 860'
810' 810'
1330' 1330'
1330'
1330'
1340' 1340'
1370'
1370'
1280' 1280'
1170' 1170'
1170'
1170'
920' 920'
840' 840'
800' 800'
780'
780'
770'
770'
730'
730'
S.D. COUNTY S.D. COUNTY
W:\17729_SanMarcosDMP\GIS\DeliverableMaps\SMDMP_D_RecFac_Maps_11x17.mxd City of San Marcos - Drainage Master Plan

APPENDIX D
Recommended Improvements - Sheet 256
Major River / Stream
Sub-Catchments
Existing Inventory
#* Channel Confluence
"/ Cleanout
$1 Curb Inlet
$1 Curb Outlet
!( Detention Basin
"/ Inlet
"/ Outlet
$+ Other
2! Separator
l? Outfalls
$ Culvert
$ Channel wider than 5 ft
$ Ditch less than 5 ft wide
$ Elliptical
$ Natural Channel
$ Storm Main
Channel / Ditch Transects
2-YR Flood Inundation
10-YR Flood Inundation
50-YR Flood Inundation
100-YR Flood Inundation
Surcharging Junctions
Recommended Storm Drain
New
Replace
FEMA NFHL Floodplain
100-YR Floodway
100-YR Floodplain
April, 2019
Map Legend
Source: City of San Marcos, Rick Engineering Company,
SANGIS/USGS Aerial Imagery: 11/2014
0 200 400
Scale in Feet [
North
SEE SHEET 250
SEE SHEET 255

CAM MAYOR CAM MAYOR

PPRRIIVVAATTEERRDD

PPRR VIVI AATTEEDDYY
S.D. COUNTY S.D. COUNTY
W:\17729_SanMarcosDMP\GIS\DeliverableMaps\SMDMP_D_RecFac_Maps_11x17.mxd City of San Marcos - Drainage Master Plan

APPENDIX D
Recommended Improvements - Sheet 257
Major River / Stream
Sub-Catchments
Existing Inventory #* Channel Confluence "/ Cleanout $1 Curb Inlet $1 Curb Outlet !( Detention Basin "/ Inlet "/ Outlet $+ Other 2! Separator l? Outfalls $ Culvert $ Channel wider than 5 ft $ Ditch less than 5 ft wide $ Elliptical $ Natural Channel $ Storm Main Channel / Ditch Transects
2-YR Flood Inundation
10-YR Flood Inundation
50-YR Flood Inundation
100-YR Flood Inundation
Surcharging Junctions
Recommended Storm Drain
New
Replace
FEMA NFHL Floodplain
100-YR Floodway
100-YR Floodplain
April, 2019
Map Legend
Source: City of San Marcos, Rick Engineering Company,
SANGIS/USGS Aerial Imagery: 11/2014
0 200 400
Scale in Feet
[
North
SEE SHEET 253
SEE SHEET 258

CCAAMM MMAAYYOORR
S.D. COUNTY S.D. COUNTY
W:\17729_SanMarcosDMP\GIS\DeliverableMaps\SMDMP_D_RecFac_Maps_11x17.mxd City of San Marcos - Drainage Master Plan

APPENDIX D
Recommended Improvements - Sheet 258
Major River / Stream
Sub-Catchments
Existing Inventory #* Channel Confluence "/ Cleanout $1 Curb Inlet $1 Curb Outlet !( Detention Basin "/ Inlet "/ Outlet $+ Other 2! Separator l? Outfalls $ Culvert $ Channel wider than 5 ft $ Ditch less than 5 ft wide $ Elliptical $ Natural Channel $ Storm Main Channel / Ditch Transects
2-YR Flood Inundation
10-YR Flood Inundation
50-YR Flood Inundation
100-YR Flood Inundation
Surcharging Junctions
Recommended Storm Drain
New
Replace
FEMA NFHL Floodplain
100-YR Floodway
100-YR Floodplain
April, 2019
Map Legend
Source: City of San Marcos, Rick Engineering Company,
SANGIS/USGS Aerial Imagery: 11/2014
0 200 400
Scale in Feet
[
North
SEE SHEET 254
SEE SHEET 257
Appendix E
Modeling Results

APPENDIX E
EXISTING JUNCTIONS: SUMMARY TABLE
City of San Marcos Drainage Master Plan 1 of 132 April 2019 Facility ID Sub
Watershed
Original
Facility ID Type
Invert
Elevation
(feet)
Rim
Elevation
(feet)
Depth
(feet)
Max.

HGL
(2-year)
(feet)
Max.

Lateral
Inflow
(2-year)
(cfs)
Max.

Total
Inflow
(2-year)
(cfs)
Surcharging
(2-year)
Max. HGL
(10-year)
(feet)
Max.

Lateral
Inflow
(10-year)
(cfs)
Max.

Total
Inflow
(10-year)
(cfs)
Surcharging
(10-year)
Max. HGL
(50-year)
(feet)
Max.

Lateral
Inflow
(50-year)
(cfs)
Max. Total
Inflow
(50-year)
(cfs)
Surcharging
(50-year)
Max. HGL
(100-year)
(feet)
Max.

Lateral
Inflow
(100-year)
(cfs)
Max. Total
Inflow
(100-year)
(cfs)
Surcharging
(100-year)
CBIN10001 A1 CI0144 Curb Inlet 726.3 737.5 11.2 726.3 0.0 0.0 NO 726.3 0.0 0.0 NO 726.3 0.0 0.0 NO 726.3 0.0 0.0 NO CBIN10002 A1 CI0148 Curb Inlet 725.3 737.8 12.4 725.3 0.0 0.0 NO 725.3 0.0 0.0 NO 725.3 0.0 0.0 NO 725.3 0.0 0.0 NO CBIN10003 A1 CI0147 Curb Inlet 717.1 727.7 10.6 717.1 0.0 0.0 NO 717.1 0.0 0.0 NO 717.1 0.0 0.0 NO 717.1 0.0 0.0 NO CLEN10001 A1 CO0145 Cleanout 715.9 727.7 11.8 716.5 10.9 10.9 NO 716.7 18.5 18.5 NO 717.0 28.1 28.1 NO 717.1 31.9 31.9 NO CBIN10004 A1 CI0146 Curb Inlet 679.9 691.4 11.5 680.8 2.5 14.7 NO 681.0 4.1 24.8 NO 681.3 6.2 37.3 NO 681.5 7.0 42.3 NO CBIN10005 A1 CI0678 Curb Inlet 677.1 688.3 11.3 677.8 4.8 19.2 NO 678.0 7.8 32.3 NO 678.2 11.7 48.7 NO 678.3 13.2 55.3 NO CLEN10002 A1 CO007 Cleanout 662.2 680.7 18.5 663.8 0.0 45.6 NO 664.4 0.0 77.5 NO 665.1 0.0 118.4 NO 665.6 0.0 134.0 NO SEPR10001 A1 SEP013 Separator 661.6 677.4 15.7 663.2 0.0 45.8 NO 663.8 0.0 77.8 NO 664.6 0.0 118.7 NO 665.0 0.0 132.7 NO CLEN10003 A1 ZCO11985 Cleanout 663.3 682.2 18.9 664.7 3.4 45.3 NO 665.2 5.8 77.2 NO 665.9 8.8 118.1 NO 666.2 10.1 134.0 NO CBIN10006 A1 CI0170 Curb Inlet 727.5 736.1 8.6 728.0 3.3 3.3 NO 728.5 6.6 6.6 NO 736.8 10.3 12.7 NO 739.5 11.8 13.8 YES OTLT10001 A1 OUT078 Outlet 657.6 662.9 5.2 658.4 0.0 45.9 NO 658.4 0.0 78.0 NO 658.4 0.0 118.9 NO 658.4 0.0 133.2 NO INLT10001 A1 INL013 Inlet 654.8 662.1 7.4 656.8 0.0 45.9 NO 657.4 0.0 78.0 NO 662.2 0.0 118.9 NO 662.2 0.0 133.2 NO CBIN10007 A1 CI10165 Curb Inlet 700.6 711.3 10.7 701.7 3.6 16.9 NO 702.3 6.0 28.9 NO 711.5 9.0 43.8 NO 713.5 10.3 51.3 YES CLEN10004 A1 ZCO13008 Cleanout 608.0 615.7 7.7 609.4 0.0 40.9 NO 609.7 0.0 58.0 NO 609.9 0.0 72.3 NO 610.0 0.0 78.5 NO INLT10002 A1 ZINL11991 Inlet 734.3 738.3 4.0 734.5 0.7 0.7 NO 734.5 1.6 1.6 NO 738.3 2.5 4.6 NO 739.5 2.9 3.9 YES CLEN10005 A1 ZCO10372 Cleanout 726.8 735.9 9.1 727.8 0.5 15.5 NO 728.4 0.7 33.2 NO 736.8 1.1 58.3 NO 739.4 1.2 60.1 YES CLEN10006 A1 ZCO10373 Cleanout 736.7 744.2 7.5 737.3 0.0 11.1 NO 737.6 0.0 24.5 NO 744.2 0.0 43.1 NO 744.4 0.0 49.5 NO CLEN10007 A1 ZCO10374 Cleanout 743.5 751.1 7.6 743.7 0.0 2.7 NO 743.8 0.0 5.4 NO 743.9 0.0 8.4 NO 744.5 0.0 9.7 NO CBIN10008 A1 CI0172 Curb Inlet 744.1 751.4 7.3 744.4 1.3 1.3 NO 744.6 2.6 2.6 NO 744.7 4.0 4.0 NO 744.7 4.6 4.6 NO CBIN10009 A1 CI0171 Curb Inlet 744.0 751.5 7.4 744.3 1.5 1.5 NO 744.3 2.8 2.8 NO 744.4 4.4 4.4 NO 744.6 5.0 5.0 NO CLEN10008 A1 ZCO11992 Cleanout 662.5 669.2 6.7 662.8 0.8 2.5 NO 662.9 1.4 4.4 NO 662.9 2.1 6.8 NO 663.0 2.4 7.8 NO CBIN10010 A1 CI0175 Curb Inlet 662.9 669.5 6.6 662.9 0.0 0.0 NO 662.9 0.0 0.0 NO 663.0 0.0 0.0 NO 663.0 0.0 0.0 NO CLEN10009 A1 ZCO11993 Cleanout 666.5 672.5 6.0 666.8 0.0 1.7 NO 666.9 0.0 3.1 NO 667.0 0.0 4.7 NO 667.0 0.0 5.4 NO CBIN10011 A1 CI0174 Curb Inlet 658.3 669.3 11.0 658.6 2.3 4.7 NO 658.7 3.8 8.2 NO 658.8 5.7 12.4 NO 658.9 6.5 14.2 NO CLEN10010 A1 ZCO10375 Cleanout 637.8 668.5 30.7 638.8 0.0 12.9 NO 639.3 0.0 24.6 NO 642.3 0.0 38.0 NO 644.5 0.0 43.6 NO CBIN10012 A1 CI0863 Curb Inlet 712.6 721.8 9.2 713.3 2.6 13.5 NO 713.5 4.3 23.3 NO 721.8 6.6 35.6 NO 721.8 7.5 42.2 NO CBIN10013 A1 CI10166 Curb Inlet 720.6 732.4 11.9 721.2 1.1 11.1 NO 721.4 1.7 19.2 NO 721.7 2.6 28.5 NO 722.0 2.9 32.7 NO CBIN10014 A1 CI1716 Curb Inlet 722.7 733.5 10.8 723.0 1.1 1.1 NO 723.1 1.9 1.9 NO 723.2 2.9 2.9 NO 723.2 3.3 3.3 NO CBIN10015 A1 CI10167 Curb Inlet 741.8 754.2 12.4 742.3 1.9 9.1 NO 742.6 3.0 15.9 NO 742.8 4.5 23.9 NO 742.9 5.0 27.0 NO CLEN10011 A1 ZCO10376 Cleanout 663.4 670.5 7.1 663.8 8.2 8.2 NO 664.0 16.4 16.4 NO 664.2 25.5 25.5 NO 664.2 29.4 29.4 NO CBIN10016 A1 CI0176 Curb Inlet 665.8 671.4 5.6 665.8 0.0 0.0 NO 665.8 0.0 0.0 NO 665.8 0.0 0.0 NO 665.8 0.0 0.0 NO CBIN10017 A1 CI0177 Curb Inlet 665.6 671.6 6.0 665.6 0.0 0.0 NO 665.6 0.0 0.0 NO 665.6 0.0 0.0 NO 665.6 0.0 0.0 NO CBIN10018 A1 CI0179 Curb Inlet 734.7 740.3 5.6 735.4 18.5 18.5 NO 735.6 34.9 34.9 NO 735.9 53.7 53.7 NO 736.0 61.7 61.7 NO CBIN10019 A1 CI0169 Curb Inlet 723.4 736.3 12.9 724.1 3.2 20.6 NO 724.4 6.4 39.0 NO 724.7 10.0 59.7 NO 724.8 11.5 68.8 NO CLEN10012 A1 ZCO10377 Cleanout 715.9 725.2 9.4 716.7 3.1 22.7 NO 717.1 6.1 42.8 NO 717.4 9.4 65.2 NO 717.6 10.9 75.1 NO CLEN10013 A1 ZCO11664 Cleanout 699.1 703.7 4.6 699.9 3.1 24.6 NO 700.3 5.8 46.0 NO 700.6 9.0 69.4 NO 700.8 10.3 80.1 NO CLEN10014 A1 ZCO11665 Cleanout 688.4 698.9 10.5 689.3 0.0 24.6 NO 689.7 0.0 46.0 NO 690.0 0.0 69.5 NO 690.2 0.0 80.1 NO CLEN10015 A1 ZCO12475 Cleanout 685.7 697.5 11.9 686.7 0.0 27.0 NO 687.2 0.0 50.5 NO 687.6 0.0 75.8 NO 687.9 0.0 87.5 NO CLEN10016 A1 ZCO12476 Cleanout 683.4 695.5 12.0 684.6 8.4 33.2 NO 685.1 15.9 61.0 NO 685.6 24.6 90.7 NO 685.9 28.2 104.6 NO CBIN10020 A1 CI0178 Curb Inlet 686.2 695.4 9.1 686.2 0.0 0.0 NO 686.2 0.0 0.0 NO 686.2 0.0 0.0 NO 686.2 0.0 0.0 NO CBIN10021 A1 CI0182 Curb Inlet 686.4 695.7 9.2 686.7 1.4 1.4 NO 686.8 2.6 2.6 NO 686.8 3.9 3.9 NO 686.9 4.4 4.4 NO CLEN10017 A1 ZCO10974 Cleanout 746.0 753.0 7.0 746.6 0.0 7.3 NO 746.8 0.0 13.1 NO 747.1 0.0 21.7 NO 747.2 0.0 23.5 NO INLT10003 A1 INL005 Inlet 749.3 754.6 5.3 749.3 0.0 0.0 NO 749.3 0.0 0.0 NO 749.3 0.0 0.0 NO 749.3 0.0 0.0 NO CLEN10018 A1 ZCO10378 Cleanout 751.8 763.6 11.8 752.5 0.0 7.3 NO 752.8 0.0 13.1 NO 763.6 0.0 20.8 NO 763.6 0.0 23.5 NO CLEN10019 A1 ZCO10379 Cleanout 769.0 782.5 13.4 769.3 0.0 5.0 NO 769.4 0.0 9.0 NO 769.6 0.0 13.9 NO 769.6 0.0 15.7 NO CBIN10022 A1 CI0045 Curb Inlet 771.6 780.9 9.2 772.3 5.0 5.0 NO 772.5 9.0 9.0 NO 772.8 14.0 14.0 NO 773.1 16.0 16.0 NO INLT10004 A1 ZINL11666 Inlet 785.6 791.4 5.7 785.8 1.8 1.8 NO 785.9 3.0 3.0 NO 785.9 4.6 4.6 NO 785.9 5.2 5.2 NO INLT10005 A1 ZINL11667 Inlet 753.0 761.0 7.9 753.4 0.0 1.8 NO 753.5 0.0 3.0 NO 753.6 0.0 4.6 NO 753.7 0.0 5.2 NO CBIN10023 A1 CI0046 Curb Inlet 749.7 757.9 8.2 751.0 8.0 23.0 NO 751.4 14.8 40.5 NO 752.0 23.0 60.7 NO 752.4 26.4 69.2 NO Existing Condition Junctions Summary table
Dimensions 2-year 10-year 50-year 100-year

APPENDIX E
EXISTING JUNCTIONS: SUMMARY TABLE
City of San Marcos Drainage Master Plan 2 of 132 April 2019 Facility ID Sub
Watershed
Original
Facility ID Type
Invert
Elevation
(feet)
Rim
Elevation
(feet)
Depth
(feet)
Max.

HGL
(2-year)
(feet)
Max.

Lateral
Inflow
(2-year)
(cfs)
Max.

Total
Inflow
(2-year)
(cfs)
Surcharging
(2-year)
Max. HGL
(10-year)
(feet)
Max.

Lateral
Inflow
(10-year)
(cfs)
Max.

Total
Inflow
(10-year)
(cfs)
Surcharging
(10-year)
Max. HGL
(50-year)
(feet)
Max.

Lateral
Inflow
(50-year)
(cfs)
Max. Total
Inflow
(50-year)
(cfs)
Surcharging
(50-year)
Max. HGL
(100-year)
(feet)
Max.

Lateral
Inflow
(100-year)
(cfs)
Max. Total
Inflow
(100-year)
(cfs)
Surcharging
(100-year)
Existing Condition Junctions Summary table
Dimensions 2-year 10-year 50-year 100-year
CBIN10024 A1 CI0043 Curb Inlet 751.8 760.4 8.6 752.9 1.5 14.0 NO 753.3 2.4 24.2 NO 753.8 3.5 35.4 NO 754.4 4.0 42.4 NO CBIN10025 A1 CI0047 Curb Inlet 753.2 762.7 9.6 754.3 6.6 12.7 NO 754.8 10.8 22.2 NO 755.4 16.1 32.4 NO 762.7 18.2 40.6 NO CBIN10026 A1 CI0051 Curb Inlet 753.9 763.0 9.1 754.3 0.0 0.1 NO 754.8 0.0 0.2 NO 755.4 0.0 0.2 NO 763.0 0.0 3.7 NO CBIN10027 A1 CI0050 Curb Inlet 754.7 765.4 10.7 755.6 2.0 6.9 NO 756.0 3.3 12.1 NO 756.6 5.0 18.5 NO 765.4 5.6 21.4 NO CBIN10028 A1 CI0049 Curb Inlet 762.2 776.5 14.4 762.7 0.0 5.0 NO 762.9 0.0 9.0 NO 763.1 0.0 13.9 NO 763.2 0.0 15.9 NO INLT10006 A1 INL10380 Inlet 785.3 789.3 4.0 785.4 0.9 0.9 NO 785.5 1.5 1.5 NO 785.5 2.3 2.3 NO 785.5 2.6 2.6 NO CBIN10029 A1 CI0048 Curb Inlet 780.6 788.3 7.6 781.0 0.0 5.0 NO 781.1 0.0 9.0 NO 781.2 0.0 13.9 NO 781.3 0.0 15.9 NO CBIN10030 A1 CI0419 Curb Inlet 794.9 801.4 6.5 795.3 4.2 4.2 NO 795.4 7.6 7.6 NO 795.6 11.7 11.7 NO 795.6 13.4 13.4 NO SEPR10002 A1 SEP001 Separator 748.2 761.3 13.1 749.6 4.2 26.9 NO 750.1 7.8 47.8 NO 750.7 12.2 72.2 NO 751.0 14.0 82.7 NO CBIN10031 A1 CI0044 Curb Inlet 749.0 758.1 9.1 750.1 0.0 23.0 NO 750.5 0.0 40.5 NO 751.1 0.0 60.7 NO 751.4 0.0 69.2 NO OTHR10001 A1 ZOTHER10152Other 743.8 747.8 4.0 744.5 0.8 27.7 NO 744.8 1.5 49.1 NO 747.8 2.3 74.3 NO 751.1 2.7 85.1 YES CLEN10020 A1 ZCO10381 Cleanout 733.1 738.8 5.8 735.0 0.0 27.7 NO 735.7 0.0 49.1 NO 737.2 0.0 74.5 NO 737.6 0.0 83.3 NO INLT10007 A1 INL10382 Inlet 769.0 774.8 5.7 769.3 2.4 2.4 NO 769.3 4.1 4.1 NO 769.4 6.3 6.3 NO 769.4 7.1 7.1 NO CBIN10032 A1 CI0864 Curb Inlet 680.8 689.5 8.7 681.9 11.2 39.4 NO 682.3 20.7 66.1 NO 689.5 32.1 114.5 NO 689.6 36.7 128.7 NO CLEN10021 A1 ZCO10387 Cleanout 674.5 691.7 17.2 676.2 0.0 39.3 NO 677.2 0.0 66.0 NO 691.7 0.0 101.5 NO 691.7 0.0 116.7 NO CBIN10033 A1 CI1245 Curb Inlet 673.1 687.6 14.5 674.9 9.0 48.2 NO 676.0 15.9 80.9 NO 687.6 25.1 126.5 NO 687.6 28.4 144.8 NO CBIN10034 A1 CI0867 Curb Inlet 671.7 684.4 12.6 673.1 0.0 11.3 NO 675.2 0.0 17.6 NO 684.4 0.0 24.4 NO 684.4 0.0 25.7 NO CBIN10035 A1 CI0866 Curb Inlet 672.6 684.7 12.1 673.9 7.5 11.4 NO 678.1 11.7 17.6 NO 685.3 17.0 26.3 NO 687.6 19.1 32.0 YES CBIN10036 A1 CI1489 Curb Inlet 692.8 703.6 10.8 694.3 0.0 22.2 NO 695.0 0.0 36.2 NO 703.6 0.0 61.5 NO 703.6 0.0 73.9 NO CLEN10022 A1 ZCO12479 Cleanout 695.0 705.1 10.1 696.6 0.0 21.3 NO 697.6 0.0 35.6 NO 705.1 0.0 67.3 NO 705.2 0.0 71.6 NO CBIN10037 A1 CI0033 Curb Inlet 696.9 706.3 9.5 697.7 4.8 11.0 NO 698.2 8.4 19.0 NO 706.4 12.8 38.5 NO 706.5 14.6 40.4 NO CBIN10038 A1 CI0034 Curb Inlet 698.0 705.9 7.9 698.6 3.3 3.3 NO 698.8 5.5 5.5 NO 706.0 8.2 8.7 NO 706.8 9.4 9.4 NO CBIN10039 A1 CI10171 Curb Inlet 695.1 705.3 10.1 696.8 2.3 11.0 NO 697.8 3.6 17.7 NO 705.4 5.3 32.9 NO 705.5 6.0 32.5 NO CBIN10040 A1 CI1244 Curb Inlet 702.2 712.8 10.6 702.2 0.0 0.0 NO 702.2 0.0 0.0 NO 712.8 0.0 5.8 NO 712.8 0.0 7.3 NO CBIN10041 A1 CI1243 Curb Inlet 701.5 712.0 10.5 701.9 3.0 3.0 NO 702.0 5.2 5.2 NO 712.0 7.9 12.7 NO 712.0 9.0 15.6 NO CBIN10042 A1 CI10172 Curb Inlet 695.4 705.7 10.3 696.8 0.0 0.1 NO 697.8 0.0 0.1 NO 705.9 0.0 7.1 NO 705.9 0.0 6.3 NO CBIN10043 A1 CI10173 Curb Inlet 703.4 710.8 7.3 704.2 4.5 8.9 NO 704.4 7.0 14.3 NO 710.8 10.1 22.3 NO 710.9 11.4 25.9 NO CBIN10044 A1 CI10174 Curb Inlet 597.9 602.2 4.4 597.9 0.0 0.0 NO 597.9 0.0 0.0 NO 597.9 0.0 0.0 NO 597.9 0.0 0.0 NO INLT10008 A1 INL124 Inlet 693.2 697.2 4.0 693.4 2.9 2.9 NO 693.5 6.2 6.2 NO 693.6 9.8 9.8 NO 693.7 11.4 11.4 NO CLEN10023 A1 ZCO12795 Cleanout 678.2 690.5 12.3 679.5 0.0 33.2 NO 680.1 0.0 61.0 NO 680.6 0.0 91.0 NO 680.9 0.0 104.7 NO INLT10009 A1 INL127 Inlet 720.8 736.1 15.2 721.7 19.3 19.3 NO 722.1 39.5 39.5 NO 722.4 61.9 61.9 NO 722.6 71.3 71.3 NO CLEN10024 A1 ZCO11671 Cleanout 715.9 723.5 7.7 716.7 0.0 19.2 NO 717.1 0.0 39.5 NO 717.5 0.0 61.9 NO 717.6 0.0 71.3 NO OTHR10002 A1 ZOTHER10159Other 714.0 722.2 8.2 714.8 0.0 19.3 NO 715.2 0.0 39.6 NO 715.5 0.0 62.1 NO 715.7 0.0 71.6 NO OTHR10003 A1 ZOTHER10160Other 716.2 721.7 5.5 716.2 0.0 0.0 NO 716.2 0.0 0.0 NO 716.2 0.0 0.0 NO 716.2 0.0 0.0 NO OTHR10004 A1 ZOTHER10161Other 711.6 719.9 8.3 712.5 2.9 22.0 NO 712.9 4.6 44.1 NO 713.3 6.9 68.9 NO 713.5 7.9 79.4 NO OTHR10005 A1 ZOTHER10162Other 713.4 719.8 6.4 713.4 0.0 0.0 NO 713.4 0.0 0.0 NO 713.4 0.0 0.0 NO 713.5 0.0 0.1 NO CBIN10045 A1 CI1003 Curb Inlet 705.8 713.3 7.5 706.5 6.1 27.8 NO 706.8 11.6 55.1 NO 707.1 17.9 85.8 NO 707.2 20.5 98.7 NO CBIN10046 A1 CI0488 Curb Inlet 709.0 716.4 7.4 709.0 0.0 0.0 NO 709.0 0.0 0.0 NO 709.0 0.0 0.0 NO 709.0 0.0 0.0 NO INLT10010 A1 ZINL11847 Inlet 733.3 738.8 5.6 733.3 0.0 0.0 NO 733.3 0.0 0.0 NO 733.3 0.0 0.0 NO 733.3 0.0 0.0 NO OTHR10006 A1 ZOTHER10163Other 695.2 702.3 7.2 695.9 0.0 27.8 NO 696.2 0.0 55.2 NO 696.4 0.0 86.1 NO 696.7 0.0 98.7 NO OTHR10007 A1 ZOTHER10164Other 698.5 705.6 7.1 698.5 0.0 0.0 NO 698.5 0.0 0.0 NO 698.5 0.0 0.0 NO 698.5 0.0 0.0 NO CLEN10025 A1 ZCO10391 Cleanout 672.3 687.7 15.4 673.6 2.3 65.4 NO 674.3 3.9 137.2 NO 687.8 5.7 224.0 NO 688.2 6.5 226.4 NO OTHR10008 A1 ZOTHER10165Other 675.1 689.9 14.8 676.2 0.0 35.4 NO 676.8 0.0 78.3 NO 689.9 0.0 138.8 NO 690.1 0.0 137.6 NO CBIN10047 A1 CI0441 Curb Inlet 676.7 690.4 13.6 677.0 1.6 1.6 NO 677.1 2.8 2.8 NO 690.4 4.2 22.8 NO 690.4 4.7 28.5 NO OTHR10009 A1 ZOTHER10166Other 680.7 691.8 11.1 680.7 0.0 0.0 NO 680.7 0.0 0.0 NO 691.9 0.0 9.7 NO 691.8 0.0 13.8 NO OTHR10010 A1 ZOTHER10167Other 670.6 686.0 15.3 671.9 0.0 65.4 NO 672.6 0.0 137.4 NO 686.1 0.0 246.9 NO 686.7 0.0 223.5 NO OTHR10011 A1 ZOTHER10168Other 679.5 686.3 6.9 679.5 0.0 0.0 NO 679.5 0.0 0.0 NO 686.4 0.0 11.3 NO 686.7 0.0 8.6 NO CBIN10048 A1 CI0437 Curb Inlet 663.9 679.8 15.8 665.4 3.3 68.5 NO 666.3 5.2 142.3 NO 679.9 7.6 229.6 NO 681.1 8.6 228.0 YES CBIN10049 A1 CI0436 Curb Inlet 659.0 671.5 12.5 660.6 1.5 70.1 NO 661.6 2.5 144.7 NO 671.7 3.7 232.8 NO 674.7 4.2 230.7 YES

APPENDIX E
EXISTING JUNCTIONS: SUMMARY TABLE
City of San Marcos Drainage Master Plan 3 of 132 April 2019 Facility ID Sub
Watershed
Original
Facility ID Type
Invert
Elevation
(feet)
Rim
Elevation
(feet)
Depth
(feet)
Max.

HGL
(2-year)
(feet)
Max.

Lateral
Inflow
(2-year)
(cfs)
Max.

Total
Inflow
(2-year)
(cfs)
Surcharging
(2-year)
Max. HGL
(10-year)
(feet)
Max.

Lateral
Inflow
(10-year)
(cfs)
Max.

Total
Inflow
(10-year)
(cfs)
Surcharging
(10-year)
Max. HGL
(50-year)
(feet)
Max.

Lateral
Inflow
(50-year)
(cfs)
Max. Total
Inflow
(50-year)
(cfs)
Surcharging
(50-year)
Max. HGL
(100-year)
(feet)
Max.

Lateral
Inflow
(100-year)
(cfs)
Max. Total
Inflow
(100-year)
(cfs)
Surcharging
(100-year)
Existing Condition Junctions Summary table
Dimensions 2-year 10-year 50-year 100-year
CBIN10050 A1 CI0439 Curb Inlet 649.0 658.9 9.9 651.5 4.2 77.7 NO 652.9 6.8 157.9 NO 658.9 10.2 239.3 NO 659.9 11.5 248.6 NO CBIN10051 A1 CI0438 Curb Inlet 653.1 658.9 5.8 653.5 0.0 4.1 NO 653.7 0.0 7.5 NO 658.9 0.0 12.1 NO 660.0 0.0 18.5 YES INLT10011 A1 ZINL10392 Inlet 653.7 663.1 9.4 654.3 4.1 4.1 NO 654.5 7.5 7.5 NO 662.7 11.6 11.6 NO 663.1 13.2 13.2 NO OTHR10012 A1 ZOTHER10169Other 648.7 655.4 6.8 649.7 0.0 77.7 NO 650.2 0.0 173.3 NO 656.0 0.0 239.3 NO 659.0 0.0 250.6 YES CBIN10052 A1 CI1042 Curb Inlet 671.0 675.0 4.0 671.0 0.0 0.0 NO 671.0 0.0 0.0 NO 671.0 0.0 0.0 NO 671.0 0.0 0.0 NO CLEN10026 A1 ZCO11672 Cleanout 583.8 589.4 5.7 584.6 10.8 10.8 NO 584.9 19.6 19.6 NO 590.3 30.6 30.6 NO 591.7 35.2 35.2 YES CLEN10027 A1 ZCO11673 Cleanout 577.3 586.4 9.1 578.4 0.0 11.6 NO 579.0 0.0 20.8 NO 586.7 0.0 38.4 NO 587.4 0.0 40.7 NO INLT10012 A1 ZINL12485 Inlet 585.9 591.9 6.0 586.1 1.1 1.1 NO 586.2 1.8 1.8 NO 586.9 2.6 2.6 NO 591.9 2.9 2.9 NO CLEN10028 A1 ZCO10398 Cleanout 575.0 582.9 7.9 576.1 0.0 27.6 NO 577.9 0.0 52.7 NO 584.8 0.0 99.9 YES 586.1 0.0 97.1 YES INLT10013 A1 ZINL10975 Inlet 730.6 734.6 4.0 730.6 0.0 0.0 NO 730.6 0.0 0.0 NO 730.6 0.0 0.0 NO 730.6 0.0 0.0 NO OTHR10013 A1 ZOTHER10172Other 605.1 613.2 8.1 606.6 1.1 41.8 NO 607.0 1.8 59.8 NO 607.3 2.5 75.0 NO 607.4 2.8 81.5 NO CBIN10053 A1 CI1412 Curb Inlet 606.6 611.0 4.4 609.2 10.4 10.4 NO 611.8 17.0 19.9 NO 616.8 25.4 36.2 YES 618.9 28.7 37.1 YES CLEN10029 A1 ZCO12490 Cleanout 684.5 699.0 14.5 685.5 0.0 33.9 NO 686.1 0.0 75.7 NO 699.0 0.0 127.5 NO 699.0 0.0 139.4 NO OTHR10014 A1 ZOTHER10175Other 609.4 613.4 4.0 609.4 0.0 0.0 NO 609.4 0.0 0.0 NO 609.4 0.0 0.0 NO 609.4 0.0 0.0 NO OTHR10015 A1 ZOTHER10180Other 603.1 611.4 8.4 604.5 4.1 44.9 NO 604.8 6.4 65.6 NO 605.9 9.4 83.4 NO 605.8 10.5 90.1 NO OTHR10016 A1 ZOTHER10181Other 605.3 611.3 6.0 605.3 0.0 0.0 NO 605.3 0.0 0.0 NO 605.9 0.0 0.3 NO 605.8 0.0 0.2 NO OTHR10017 A1 ZOTHER10185Other 601.9 610.1 8.2 603.4 1.0 45.8 NO 603.9 1.6 67.0 NO 605.8 2.3 84.8 NO 605.4 2.6 91.5 NO CLEN10030 A1 ZCO11865 Cleanout 601.1 608.1 7.0 602.9 0.0 45.8 NO 603.5 0.0 67.1 NO 607.9 0.0 83.8 NO 605.3 0.0 92.4 NO CLEN10031 A1 ZCO11866 Cleanout 599.3 605.2 5.9 601.6 0.0 51.1 NO 602.4 0.0 76.2 NO 605.2 0.0 96.5 NO 605.2 0.0 107.6 NO CBIN10054 A1 CI1540 Curb Inlet 600.6 604.7 4.1 601.1 2.4 2.4 NO 602.2 4.0 4.6 NO 604.8 6.0 9.7 NO 604.8 6.8 10.7 NO CBIN10055 A1 ZCI10194 Curb Inlet 708.3 714.9 6.6 709.0 4.2 4.2 NO 709.2 7.4 7.4 NO 709.6 11.2 11.2 NO 714.9 12.8 12.8 NO CLEN10032 A1 ZCO12491 Cleanout 706.4 712.2 5.9 706.7 0.0 4.2 NO 706.8 0.0 7.3 NO 706.9 0.0 11.0 NO 706.9 0.0 13.5 NO CLEN10033 A1 ZCO10401 Cleanout 688.1 694.4 6.3 688.8 0.0 4.2 NO 689.0 0.0 7.3 NO 694.4 0.0 11.0 NO 694.4 0.0 13.0 NO INLT10014 A1 ZINL10402 Inlet 685.3 691.2 5.8 686.2 0.0 4.1 NO 687.2 0.0 7.2 NO 689.9 0.0 12.2 NO 690.9 0.0 13.8 NO SEPR10003 A1 SEP015 Separator 685.2 691.0 5.8 686.2 3.8 7.8 NO 687.2 6.4 14.2 NO 689.8 9.8 21.9 NO 690.8 11.1 24.8 NO CLEN10034 A1 ZCO10409 Cleanout 575.0 583.9 8.9 576.1 0.0 13.6 NO 576.6 0.0 21.5 NO 583.9 0.0 33.2 NO 583.9 0.0 38.3 NO CLEN10035 A1 ZCO10410 Cleanout 572.9 580.9 8.0 573.8 0.0 13.6 NO 574.2 0.0 21.2 NO 574.6 0.0 32.1 NO 580.9 0.0 35.9 NO OTLT10002 A1 ZINL10415 Outlet 649.0 655.6 6.6 653.8 0.0 36.2 NO 656.4 0.0 41.0 NO 658.7 0.0 43.3 YES 659.8 0.0 44.9 YES CBIN10056 A1 CI0333 Curb Inlet 643.7 656.1 12.4 644.6 6.7 38.4 NO 644.8 13.8 49.6 NO 644.9 21.7 59.5 NO 644.9 25.0 63.8 NO CBIN10057 A1 CI0331 Curb Inlet 646.8 657.6 10.8 646.8 0.0 0.0 NO 646.8 0.0 0.0 NO 646.8 0.0 0.0 NO 646.8 0.0 0.0 NO CBIN10058 A1 CI0334 Curb Inlet 623.4 636.4 13.0 624.2 0.0 38.4 NO 624.3 0.0 49.5 NO 624.4 0.0 59.4 NO 624.4 0.0 63.8 NO CBIN10059 A1 CI0332 Curb Inlet 618.5 636.7 18.2 619.5 5.1 40.9 NO 619.8 8.7 58.0 NO 619.9 13.2 72.2 NO 620.0 15.0 78.4 NO CLEN10036 A1 ZCO12012 Cleanout 615.3 637.3 22.0 616.1 0.0 40.9 NO 616.3 0.0 58.0 NO 616.4 0.0 72.4 NO 616.4 0.0 78.6 NO CBIN10060 A1 CI0646 Curb Inlet 672.5 678.8 6.3 673.3 9.2 9.2 NO 673.6 15.9 15.9 NO 673.9 24.3 24.3 NO 674.1 27.7 27.7 NO CBIN10061 A1 CI1287 Curb Inlet 667.9 674.1 6.3 668.7 1.7 10.7 NO 669.0 2.7 18.2 NO 669.3 3.9 27.6 NO 669.5 4.4 31.4 NO CBIN10062 A1 CI10690 Curb Inlet 664.6 671.6 7.0 665.1 3.7 3.7 NO 665.3 6.9 6.9 NO 665.8 10.6 10.6 NO 671.6 12.2 12.2 NO CBIN10063 A1 CI10214 Curb Inlet 663.9 671.8 7.9 664.6 1.1 4.8 NO 665.0 2.3 9.3 NO 665.8 3.7 14.3 NO 671.8 4.2 16.4 NO CBIN10064 A1 CI1296 Curb Inlet 667.5 671.5 4.0 667.5 0.0 0.0 NO 667.5 0.0 0.0 NO 667.5 0.0 0.0 NO 667.6 0.0 0.7 NO INLT10015 A1 INL014 Inlet 658.3 662.3 4.0 658.9 14.8 14.8 NO 659.2 30.9 30.9 NO 659.4 49.0 49.0 NO 659.5 56.5 56.5 NO CBIN10065 A1 CI1291 Curb Inlet 652.2 658.5 6.4 653.0 2.2 17.0 NO 653.4 3.6 34.5 NO 653.8 5.4 54.3 NO 654.0 6.1 62.5 NO INLT10016 A1 INL11228 Inlet 650.3 659.0 8.8 651.1 0.0 17.1 NO 651.5 0.0 34.5 NO 651.9 0.0 54.4 NO 652.1 0.0 62.6 NO CBIN10066 A1 CI1545 Curb Inlet 648.6 658.6 10.0 649.5 2.0 19.1 NO 649.9 3.9 38.4 NO 650.4 6.0 60.4 NO 650.6 6.8 69.5 NO CBIN10067 A1 CI1286 Curb Inlet 647.6 654.0 6.4 648.4 6.2 6.2 NO 649.0 12.0 12.0 NO 654.0 18.5 18.5 NO 654.4 21.3 21.3 NO CBIN10068 A1 CI1284 Curb Inlet 645.7 651.7 6.1 646.2 1.6 7.7 NO 646.5 2.7 14.3 NO 646.8 4.0 23.3 NO 646.8 4.5 24.4 NO CBIN10069 A1 CI1290 Curb Inlet 643.9 648.2 4.3 644.6 1.5 11.2 NO 644.9 2.4 20.7 NO 645.2 3.5 31.9 NO 645.3 4.0 35.1 NO CLEN10037 A1 ZCO12016 Cleanout 642.4 648.4 6.0 642.9 0.0 10.9 NO 643.1 0.0 19.9 NO 643.2 0.0 30.4 NO 643.3 0.0 34.4 NO CBIN10070 A1 CI1546 Curb Inlet 638.4 648.8 10.3 639.3 1.5 12.4 NO 639.6 2.6 22.4 NO 639.9 4.0 34.2 NO 640.1 4.6 38.6 NO CLEN10038 A1 ZCO12017 Cleanout 636.1 645.1 9.0 636.9 0.0 12.4 NO 637.2 0.0 22.4 NO 637.6 0.0 34.0 NO 637.7 0.0 37.7 NO INLT10017 A1 INL145 Inlet 642.4 647.2 4.8 643.6 11.3 11.3 NO 652.4 19.8 19.8 YES 662.7 29.3 29.3 YES 668.0 33.5 33.5 YES

APPENDIX E
EXISTING JUNCTIONS: SUMMARY TABLE
City of San Marcos Drainage Master Plan 4 of 132 April 2019 Facility ID Sub
Watershed
Original
Facility ID Type
Invert
Elevation
(feet)
Rim
Elevation
(feet)
Depth
(feet)
Max.

HGL
(2-year)
(feet)
Max.

Lateral
Inflow
(2-year)
(cfs)
Max.

Total
Inflow
(2-year)
(cfs)
Surcharging
(2-year)
Max. HGL
(10-year)
(feet)
Max.

Lateral
Inflow
(10-year)
(cfs)
Max.

Total
Inflow
(10-year)
(cfs)
Surcharging
(10-year)
Max. HGL
(50-year)
(feet)
Max.

Lateral
Inflow
(50-year)
(cfs)
Max. Total
Inflow
(50-year)
(cfs)
Surcharging
(50-year)
Max. HGL
(100-year)
(feet)
Max.

Lateral
Inflow
(100-year)
(cfs)
Max. Total
Inflow
(100-year)
(cfs)
Surcharging
(100-year)
Existing Condition Junctions Summary table
Dimensions 2-year 10-year 50-year 100-year
CLEN10039 A1 ZCO10418 Cleanout 639.5 645.3 5.8 641.1 1.0 12.0 NO 647.6 1.8 17.6 YES 655.5 2.6 23.2 YES 659.3 3.0 25.8 YES CLEN10040 A1 ZCO10419 Cleanout 635.4 641.9 6.6 642.0 1.9 13.5 NO 642.0 3.0 18.5 NO 647.1 4.4 21.0 YES 649.6 5.0 22.4 YES INLT10018 A1 ZINL10420 Inlet 641.2 645.2 4.0 641.4 0.8 0.8 NO 641.4 1.3 1.3 NO 641.4 1.9 1.9 NO 641.4 2.2 2.2 NO CBIN10071 A1 CI1292 Curb Inlet 637.4 641.4 4.0 637.7 2.0 2.8 NO 637.8 3.2 4.5 NO 637.9 4.7 6.6 NO 637.9 5.3 7.4 NO INLT10019 A1 ZINL11036 Inlet 632.6 640.8 8.2 633.0 0.0 2.8 NO 633.1 0.0 4.5 NO 633.2 0.0 6.6 NO 633.2 0.0 7.4 NO CBIN10072 A1 CI1547 Curb Inlet 630.4 640.1 9.7 630.9 1.7 4.5 NO 631.0 2.7 7.1 NO 631.1 4.0 10.5 NO 631.2 4.5 11.9 NO CLEN10041 A1 ZCO12504 Cleanout 702.1 712.0 9.9 702.9 5.7 17.3 NO 703.1 9.9 28.6 NO 709.6 15.2 43.2 NO 711.6 17.4 52.0 NO CLEN10042 A1 ZCO10421 Cleanout 699.2 710.9 11.7 700.8 0.0 29.6 NO 701.4 0.0 49.2 NO 710.9 0.0 73.9 NO 710.9 0.0 84.5 NO CLEN10043 A1 ZCO10422 Cleanout 700.3 708.9 8.6 701.6 9.8 12.7 NO 704.3 15.9 20.6 NO 708.9 23.7 32.0 NO 709.1 26.9 36.8 NO CBIN10073 A1 CI0362 Curb Inlet 703.0 709.2 6.2 703.4 2.9 2.9 NO 703.5 4.7 4.7 NO 709.2 7.0 7.0 NO 709.4 7.9 7.9 NO CBIN10074 A1 CI0363 Curb Inlet 702.8 709.2 6.4 702.8 0.0 0.0 NO 702.9 0.0 0.6 NO 709.1 0.0 1.0 NO 709.2 0.0 2.5 NO CBIN10075 A1 CI10215 Curb Inlet 704.1 710.1 6.0 704.1 0.0 0.0 NO 704.1 0.0 0.0 NO 710.2 0.0 2.3 NO 710.2 0.0 3.3 NO CBIN10076 A1 CI0674 Curb Inlet 697.6 706.0 8.4 699.0 5.8 35.0 NO 699.6 9.1 57.6 NO 706.0 13.4 87.2 NO 706.0 15.1 99.6 NO CBIN10077 A1 CI0676 Curb Inlet 693.6 700.3 6.7 694.8 1.2 37.5 NO 695.2 1.9 61.4 NO 695.6 2.7 92.6 NO 695.8 3.0 105.3 NO CBIN10078 A1 CI0675 Curb Inlet 694.3 700.4 6.1 694.9 1.5 1.5 NO 695.2 2.4 2.4 NO 695.7 3.4 3.4 NO 698.2 3.8 3.8 NO CBIN10079 A1 CI0420 Curb Inlet 688.5 696.5 8.1 689.6 8.5 45.4 NO 690.0 13.6 74.0 NO 690.4 20.2 107.6 NO 690.6 22.8 124.5 NO OTHR10018 A1 ZOTHER10207Other 670.8 682.0 11.3 672.0 1.4 46.6 NO 672.3 2.2 76.0 NO 672.7 3.2 110.9 NO 673.0 3.6 129.2 NO CBIN10080 A1 CI0422 Curb Inlet 668.9 682.0 13.1 670.0 7.5 53.7 NO 670.3 12.6 87.7 NO 670.7 19.2 128.4 NO 670.9 22.0 150.0 NO CLEN10044 A1 ZCO11037 Cleanout 659.9 684.2 24.4 661.0 0.0 53.7 NO 661.4 0.0 87.7 NO 661.8 0.0 128.3 NO 662.0 0.0 149.9 NO CLEN10045 A1 ZCO11038 Cleanout 657.1 673.0 15.9 658.1 0.0 53.7 NO 658.3 0.0 87.7 NO 658.7 0.0 128.5 NO 658.8 0.0 149.9 NO CLEN10046 A1 ZCO12018 Cleanout 640.0 653.9 13.9 641.2 4.1 57.6 NO 641.6 10.2 97.5 NO 653.9 20.0 153.1 NO 653.9 24.4 174.1 NO INLT10020 A1 INL13290 Inlet 629.3 635.5 6.2 631.5 12.9 108.5 NO 632.3 23.0 202.0 NO 632.4 35.5 247.5 NO 632.4 40.5 273.3 NO OTHR10019 A1 ZOTHER10208Other 624.9 632.8 7.9 627.1 0.0 109.2 NO 628.7 0.0 231.0 NO 632.8 0.0 364.7 NO 632.8 0.0 365.5 NO CBIN10081 A1 CI1548 Curb Inlet 625.8 634.1 8.4 627.2 2.7 6.5 NO 628.8 4.4 10.5 NO 634.1 6.6 16.3 NO 634.1 7.6 19.4 NO INLT10021 A1 INL11229 Inlet 627.4 634.7 7.3 627.9 0.0 3.8 NO 628.9 0.0 6.4 NO 634.7 0.0 9.8 NO 634.7 0.0 12.2 NO CBIN10082 A1 CI1289 Curb Inlet 627.8 635.2 7.4 628.5 3.9 3.9 NO 629.1 6.4 6.4 NO 635.2 9.7 9.7 NO 635.2 11.1 11.1 NO INLT10022 A1 INL12505 Inlet 626.7 630.7 4.0 629.9 102.7 102.7 NO 631.8 185.7 185.7 YES 635.5 288.1 288.1 YES 637.8 335.2 335.2 YES CBIN10083 A1 CI0336 Curb Inlet 634.4 638.4 4.0 634.4 0.0 0.0 NO 634.4 0.0 0.0 NO 634.4 0.0 0.0 NO 634.4 0.0 0.0 NO CLEN10047 A1 ZCO11039 Cleanout 628.4 634.9 6.5 628.4 0.0 0.0 NO 628.4 0.0 0.0 NO 628.4 0.0 0.0 NO 628.4 0.0 0.0 NO CLEN10048 A1 ZCO11040 Cleanout 619.4 631.5 12.1 621.2 10.0 60.0 NO 621.9 15.9 101.0 NO 622.7 23.5 145.9 NO 623.2 26.6 176.5 NO CLEN10049 A1 ZCO12019 Cleanout 615.8 633.2 17.4 617.6 0.0 67.3 NO 618.2 0.0 112.4 NO 619.1 0.0 162.1 NO 633.2 0.0 192.1 NO CBIN10084 A1 CI0338 Curb Inlet 620.6 628.8 8.2 622.8 3.9 52.0 NO 623.7 6.1 87.6 NO 625.2 8.9 129.2 NO 628.8 10.0 154.0 NO CBIN10085 A1 CI0335 Curb Inlet 624.6 629.1 4.5 624.6 0.0 0.0 NO 624.6 0.0 0.0 NO 625.1 0.0 0.7 NO 629.1 0.0 5.2 NO CBIN10086 A1 CI0340 Curb Inlet 629.7 647.7 18.0 631.2 3.7 49.1 NO 631.6 5.8 83.0 NO 632.2 8.4 123.9 NO 632.5 9.5 139.5 NO CBIN10087 A1 CI0339 Curb Inlet 638.5 649.9 11.4 638.5 0.0 0.0 NO 638.5 0.0 0.0 NO 638.5 0.0 0.0 NO 638.5 0.0 0.0 NO CLEN10050 A1 ZCO10976 Cleanout 633.4 646.6 13.1 634.7 3.2 46.0 NO 635.1 5.0 78.0 NO 635.6 7.3 116.0 NO 635.8 8.3 131.4 NO CBIN10088 A1 CI0337 Curb Inlet 642.3 646.3 4.0 642.3 0.0 0.0 NO 642.3 0.0 0.0 NO 642.3 0.0 0.0 NO 642.3 0.0 0.0 NO CLEN10051 A1 ZCO10424 Cleanout 631.1 644.3 13.2 632.7 0.0 46.0 NO 633.2 0.0 78.1 NO 633.9 0.0 116.7 NO 634.1 0.0 131.8 NO CBIN10089 A1 CI1490 Curb Inlet 638.1 646.3 8.1 638.1 0.0 0.0 NO 638.1 0.0 0.0 NO 638.1 0.0 0.0 NO 638.1 0.0 0.0 NO CBIN10090 A1 CI10216 Curb Inlet 638.2 646.6 8.4 638.2 0.0 0.0 NO 638.2 0.0 0.0 NO 638.2 0.0 0.0 NO 638.2 0.0 0.0 NO CLEN10052 A1 ZCO11686 Cleanout 641.7 654.0 12.4 642.7 0.0 42.9 NO 643.1 0.0 73.1 NO 643.5 0.0 107.5 NO 643.6 0.0 123.0 NO INLT10023 A1 ZINL11687 Inlet 646.6 657.7 11.1 647.0 1.4 1.4 NO 647.2 2.3 2.3 NO 647.5 3.4 3.4 NO 647.6 3.9 3.9 NO OTHR10020 A1 ZOTHER10209Other 645.5 658.3 12.9 646.6 0.0 42.9 NO 647.0 0.0 72.9 NO 647.4 0.0 106.4 NO 647.5 0.0 122.7 NO CLEN10053 A1 ZCO12020 Cleanout 652.5 661.9 9.3 653.4 0.0 15.8 NO 653.7 0.0 28.3 NO 654.1 0.0 42.1 NO 654.3 0.0 48.2 NO CLEN10054 A1 ZCO12953 Cleanout 650.8 663.7 12.9 652.0 2.0 17.8 NO 652.5 3.5 31.9 NO 653.1 5.7 47.8 NO 653.3 6.6 54.9 NO CBIN10091 A1 CI10219 Curb Inlet 651.3 663.4 12.0 651.3 0.0 0.0 NO 651.3 0.0 0.0 NO 651.3 0.0 0.0 NO 651.4 0.0 0.0 NO CLEN10055 A1 ZCO13015 Cleanout 649.3 663.1 13.9 650.4 3.8 21.2 NO 650.8 6.0 37.2 NO 651.3 8.7 55.8 NO 651.4 9.8 64.0 NO CLEN10056 A1 ZCO13016 Cleanout 648.6 665.0 16.4 649.7 0.0 41.6 NO 650.1 0.0 70.7 NO 650.5 0.0 101.9 NO 650.7 0.0 118.7 NO CBIN10092 A1 CI1491 Curb Inlet 670.3 676.2 5.9 671.0 0.0 22.2 NO 671.2 0.0 35.9 NO 671.4 0.0 48.9 NO 671.5 0.0 58.3 NO

APPENDIX E
EXISTING JUNCTIONS: SUMMARY TABLE
City of San Marcos Drainage Master Plan 5 of 132 April 2019 Facility ID Sub
Watershed
Original
Facility ID Type
Invert
Elevation
(feet)
Rim
Elevation
(feet)
Depth
(feet)
Max.

HGL
(2-year)
(feet)
Max.

Lateral
Inflow
(2-year)
(cfs)
Max.

Total
Inflow
(2-year)
(cfs)
Surcharging
(2-year)
Max. HGL
(10-year)
(feet)
Max.

Lateral
Inflow
(10-year)
(cfs)
Max.

Total
Inflow
(10-year)
(cfs)
Surcharging
(10-year)
Max. HGL
(50-year)
(feet)
Max.

Lateral
Inflow
(50-year)
(cfs)
Max. Total
Inflow
(50-year)
(cfs)
Surcharging
(50-year)
Max. HGL
(100-year)
(feet)
Max.

Lateral
Inflow
(100-year)
(cfs)
Max. Total
Inflow
(100-year)
(cfs)
Surcharging
(100-year)
Existing Condition Junctions Summary table
Dimensions 2-year 10-year 50-year 100-year
CBIN10093 A1 CI1488 Curb Inlet 690.2 695.9 5.7 691.0 0.0 22.2 NO 691.3 0.0 35.9 NO 691.5 0.0 51.8 NO 691.6 0.0 61.7 NO CBIN10094 A1 CI10220 Curb Inlet 697.3 703.6 6.3 697.5 1.0 1.0 NO 697.6 1.6 1.6 NO 698.1 2.3 5.6 NO 703.7 2.6 9.2 NO INLT10024 A1 ZINL12954 Inlet 619.1 623.1 4.0 620.0 6.0 13.0 NO 620.4 14.2 25.1 NO 620.8 22.9 38.5 NO 621.0 26.6 45.8 NO CBIN10095 A1 CI10221 Curb Inlet 616.6 625.0 8.3 617.9 3.4 16.2 NO 618.4 7.4 32.2 NO 618.9 11.8 50.1 NO 619.2 13.6 58.0 NO CBIN10096 A1 CI10222 Curb Inlet 613.3 624.4 11.1 614.3 3.8 19.7 NO 614.8 6.2 38.1 NO 615.3 9.2 58.9 NO 616.3 10.4 68.2 NO CBIN10097 A1 CI10223 Curb Inlet 610.0 622.7 12.8 611.5 1.2 20.7 NO 612.2 2.0 39.9 NO 613.1 2.8 61.7 NO 622.7 3.2 71.1 NO CBIN10098 A1 CI10718 Curb Inlet 613.2 622.1 8.9 613.2 0.0 0.0 NO 613.2 0.0 0.0 NO 613.2 0.0 0.0 NO 622.1 0.0 3.8 NO OTHR10021 A1 ZOTHER10210Other 609.7 621.9 12.2 611.2 4.1 24.5 NO 611.9 6.7 46.0 NO 612.7 10.0 70.2 NO 621.9 11.4 80.7 NO CLEN10057 A1 ZCO13017 Cleanout 608.8 621.1 12.3 610.3 0.0 24.6 NO 611.1 0.0 46.2 NO 612.0 0.0 70.1 NO 621.1 0.0 77.9 NO CBIN10099 A1 CI10224 Curb Inlet 608.0 618.4 10.5 609.6 2.9 27.1 NO 610.3 4.5 50.0 NO 611.1 6.5 75.5 NO 618.5 7.3 83.5 NO CBIN10100 A1 CI1487 Curb Inlet 606.6 617.2 10.6 608.1 2.2 31.0 NO 608.6 3.7 56.4 NO 609.6 5.6 84.9 NO 611.1 6.4 93.9 NO CBIN10101 A1 CI10225 Curb Inlet 609.4 617.3 8.0 609.7 2.4 2.4 NO 609.8 3.9 3.9 NO 609.9 5.9 5.9 NO 614.1 6.7 6.7 NO CLEN10058 A1 ZCO12021 Cleanout 602.7 615.4 12.8 604.7 8.2 47.5 NO 605.6 14.8 85.5 NO 615.5 22.3 129.5 NO 615.5 25.5 146.2 NO INLT10025 A1 ZINL12506 Inlet 609.0 616.6 7.6 609.5 0.0 12.1 NO 609.6 0.0 21.0 NO 609.8 0.0 32.4 NO 609.9 0.0 37.3 NO CBIN10102 A1 CI0554 Curb Inlet 601.6 612.8 11.2 603.7 0.0 47.2 NO 604.6 0.0 85.3 NO 612.8 0.0 126.7 NO 612.8 0.0 145.4 NO CBIN10103 A1 CI0555 Curb Inlet 600.5 612.3 11.8 602.6 7.3 61.8 NO 603.5 11.4 108.9 NO 612.3 16.5 160.2 NO 612.3 18.6 183.2 NO CBIN10104 A1 CI0556 Curb Inlet 603.7 615.4 11.6 604.8 1.5 9.4 NO 605.1 2.4 15.2 NO 606.2 3.6 25.6 NO 615.4 4.0 36.2 NO CBIN10105 A1 CI0557 Curb Inlet 607.4 615.8 8.3 607.5 0.0 0.0 NO 607.5 0.0 0.0 NO 607.5 0.0 0.0 NO 615.8 0.0 8.7 NO CBIN10106 A1 CI0553 Curb Inlet 605.8 617.7 12.0 606.9 0.6 8.3 NO 607.3 0.9 13.9 NO 617.7 1.4 25.0 NO 617.7 1.6 27.9 NO CBIN10107 A1 CI0559 Curb Inlet 607.7 617.8 10.1 608.7 8.2 8.2 NO 609.1 13.5 13.5 NO 617.9 20.4 27.5 NO 617.9 23.2 31.6 NO CBIN10108 A1 CI0560 Curb Inlet 610.3 618.0 7.7 610.3 0.0 0.0 NO 610.3 0.0 0.0 NO 618.1 0.0 6.1 NO 618.1 0.0 7.2 NO CBIN10109 A1 CI1288 Curb Inlet 603.1 610.1 7.0 604.3 8.9 16.0 NO 605.0 18.8 30.9 NO 609.9 30.4 50.2 NO 610.1 35.2 57.8 NO INLT10026 A1 INL12022 Inlet 603.2 608.6 5.4 604.3 0.0 0.0 NO 605.0 0.0 0.1 NO 608.6 0.0 2.9 NO 608.6 0.0 3.4 NO CBIN10110 A1 CI1409 Curb Inlet 583.3 587.3 4.0 583.4 0.0 0.1 NO 583.8 0.0 0.1 NO 587.3 0.0 1.3 NO 587.4 0.0 4.0 NO CLEN10059 A1 ZCO10425 Cleanout 582.6 587.1 4.4 583.4 9.6 9.6 NO 583.8 17.5 17.5 NO 587.1 27.0 28.2 NO 587.1 31.0 34.9 NO CBIN10111 A1 CI1410 Curb Inlet 583.3 587.4 4.1 583.3 0.0 0.0 NO 583.3 0.0 0.0 NO 584.8 0.0 1.4 NO 587.4 0.0 2.6 NO OTHR10022 A1 ZOTHER10211Other 581.4 587.2 5.8 582.5 0.0 9.6 NO 583.3 0.0 17.2 NO 587.2 0.0 27.9 NO 587.2 0.0 35.6 NO CLEN10060 A1 ZCO12508 Cleanout 596.0 601.2 5.2 597.8 0.0 41.3 NO 599.4 0.0 76.4 NO 601.0 0.0 112.1 NO 601.9 0.0 132.2 NO CBIN10112 A1 CI0243 Curb Inlet 600.1 604.1 4.0 600.1 0.0 0.0 NO 600.1 0.0 0.0 NO 601.0 0.0 0.5 NO 604.1 0.0 1.4 NO CBIN10113 A1 CI1285 Curb Inlet 595.9 599.9 4.0 599.9 14.2 14.2 NO 602.1 22.5 22.5 YES 606.4 32.9 32.9 YES 608.6 37.2 37.2 YES CLEN10061 A1 ZCO11688 Cleanout 594.9 599.3 4.4 597.2 11.6 61.5 NO 599.4 18.4 119.8 NO 600.8 26.8 161.0 YES 601.7 30.6 181.2 YES OTHR10023 A1 ZOTHER10212Other 605.6 616.4 10.8 609.2 0.0 264.9 NO 611.8 0.0 508.2 NO 617.0 0.0 565.2 NO 618.7 0.0 535.5 YES CBIN10114 A1 CI1543 Curb Inlet 674.8 681.3 6.5 675.6 4.1 4.1 NO 675.8 6.6 6.6 NO 676.1 9.7 9.7 NO 676.1 10.9 10.9 NO INLT10027 A1 ZINL13153 Inlet 675.0 679.0 4.0 676.5 38.9 38.9 NO 677.3 82.0 82.0 NO 677.9 127.3 127.3 NO 678.2 153.6 153.6 NO OTHR10024 A1 ZOTHER10214Other 675.2 681.1 5.9 676.5 0.0 40.5 NO 677.3 0.0 84.3 NO 677.8 0.0 130.3 NO 678.2 0.0 157.0 NO INLT10028 A1 INL055 Inlet 677.0 681.0 4.0 677.8 4.1 4.1 NO 678.1 6.6 6.6 NO 681.0 9.9 9.9 NO 681.0 11.2 11.2 NO CBIN10115 A1 CI1293 Curb Inlet 665.3 670.7 5.4 665.6 2.5 2.5 NO 665.7 4.0 4.0 NO 665.8 5.9 5.9 NO 666.2 6.6 6.6 NO INLT10029 A1 ZINL12509 Inlet 667.9 671.9 4.0 668.1 1.4 1.4 NO 668.1 2.3 2.3 NO 668.2 3.4 3.4 NO 668.2 3.9 3.9 NO OTHR10025 A1 ZOTHER10215Other 663.5 673.2 9.7 665.0 0.0 110.8 NO 665.8 0.0 230.2 NO 667.1 0.0 406.3 NO 672.6 0.0 505.9 NO OTHR10026 A1 ZOTHER10216Other 661.4 670.8 9.5 662.9 0.0 112.0 NO 663.7 0.0 232.4 NO 666.5 0.0 477.6 NO 670.9 0.0 525.2 NO OTHR10027 A1 ZOTHER10217Other 659.5 670.5 11.1 661.0 0.0 112.1 NO 661.8 0.0 232.7 NO 669.5 0.0 461.4 NO 670.5 0.0 524.7 NO OTHR10028 A1 ZOTHER10218Other 662.7 673.0 10.3 664.3 0.0 110.8 NO 665.1 0.0 230.2 NO 666.4 0.0 404.2 NO 673.0 0.0 513.5 NO OTHR10029 A1 ZOTHER10219Other 660.0 670.0 10.0 661.5 0.0 112.0 NO 662.3 0.0 232.4 NO 667.5 0.0 463.8 NO 670.0 0.0 523.7 NO INLT10030 A1 ZINL11042 Inlet 713.2 717.2 4.0 713.7 3.0 3.0 NO 713.8 5.0 5.0 NO 714.0 7.5 7.5 NO 714.0 8.6 8.6 NO CBIN10116 A1 CI10226 Curb Inlet 710.7 716.9 6.2 711.2 0.0 2.8 NO 711.3 0.0 4.7 NO 711.4 0.0 7.1 NO 711.7 0.0 8.2 NO CBIN10117 A1 CI10703 Curb Inlet 706.6 713.5 6.9 707.2 2.4 4.9 NO 707.4 3.7 8.0 NO 707.9 5.3 12.1 NO 713.5 6.0 15.8 NO CBIN10118 A1 CI1294 Curb Inlet 616.5 622.8 6.4 617.0 9.9 9.9 NO 617.2 19.6 19.6 NO 617.4 30.4 30.4 NO 617.5 34.9 34.9 NO INLT10031 A1 ZINL11043 Inlet 619.3 625.6 6.3 619.3 0.0 0.0 NO 619.3 0.0 0.0 NO 619.3 0.0 0.0 NO 619.3 0.0 0.0 NO INLT10032 A1 ZINL11044 Inlet 613.2 622.8 9.6 614.2 0.0 9.9 NO 614.8 0.0 19.5 NO 615.3 0.0 30.3 NO 615.3 0.0 34.9 NO

APPENDIX E
EXISTING JUNCTIONS: SUMMARY TABLE
City of San Marcos Drainage Master Plan 6 of 132 April 2019 Facility ID Sub
Watershed
Original
Facility ID Type
Invert
Elevation
(feet)
Rim
Elevation
(feet)
Depth
(feet)
Max.

HGL
(2-year)
(feet)
Max.

Lateral
Inflow
(2-year)
(cfs)
Max.

Total
Inflow
(2-year)
(cfs)
Surcharging
(2-year)
Max. HGL
(10-year)
(feet)
Max.

Lateral
Inflow
(10-year)
(cfs)
Max.

Total
Inflow
(10-year)
(cfs)
Surcharging
(10-year)
Max. HGL
(50-year)
(feet)
Max.

Lateral
Inflow
(50-year)
(cfs)
Max. Total
Inflow
(50-year)
(cfs)
Surcharging
(50-year)
Max. HGL
(100-year)
(feet)
Max.

Lateral
Inflow
(100-year)
(cfs)
Max. Total
Inflow
(100-year)
(cfs)
Surcharging
(100-year)
Existing Condition Junctions Summary table
Dimensions 2-year 10-year 50-year 100-year
CBIN10119 A1 CI1541 Curb Inlet 612.9 622.4 9.5 613.5 1.9 11.8 NO 613.8 3.1 23.2 NO 614.1 4.5 39.8 NO 614.1 5.1 43.1 NO CLEN10062 A1 CO10435 Cleanout 678.7 686.2 7.6 679.5 0.0 22.3 NO 679.8 0.0 43.8 NO 680.1 0.0 65.0 NO 680.2 0.0 69.2 NO CBIN10120 A1 CI0244 Curb Inlet 660.3 664.3 4.0 660.3 0.0 0.0 NO 660.3 0.0 0.0 NO 660.5 0.0 0.1 NO 660.5 0.0 0.0 NO CLEN10063 A1 CO11530 Cleanout 658.9 664.0 5.2 659.7 3.2 24.9 NO 660.1 5.2 48.0 NO 660.5 7.6 71.9 NO 660.5 8.6 76.7 NO CLEN10064 A1 CO11531 Cleanout 648.0 653.2 5.3 649.0 1.2 39.2 NO 649.4 1.9 72.6 NO 649.8 2.7 109.7 NO 649.9 3.1 119.6 NO CLEN10065 A1 CO12514 Cleanout 634.4 639.4 5.0 635.4 0.0 39.2 NO 635.8 0.0 72.6 NO 636.2 0.0 110.4 NO 636.3 0.0 119.6 NO INLT10033 A1 ZINL12515 Inlet 621.0 625.0 4.0 621.0 0.0 0.0 NO 621.0 0.0 0.0 NO 621.0 0.0 0.0 NO 621.0 0.0 0.0 NO CLEN10066 A1 ZCO12516 Cleanout 616.4 624.5 8.1 617.6 3.0 41.5 NO 618.1 4.8 76.5 NO 618.7 7.0 116.5 NO 618.8 7.9 126.4 NO INLT10034 A1 ZINL11692 Inlet 614.6 619.4 4.8 614.6 0.0 0.0 NO 614.6 0.0 0.0 NO 614.6 0.0 0.0 NO 614.6 0.0 0.0 NO CLEN10067 A1 ZCO11693 Cleanout 610.5 617.4 6.9 611.7 0.0 41.6 NO 612.2 0.0 76.6 NO 612.6 0.0 117.5 NO 612.8 0.0 126.7 NO CBIN10121 A1 CI0217 Curb Inlet 604.3 608.4 4.1 604.3 0.0 0.0 NO 604.3 0.0 0.0 NO 604.3 0.0 0.0 NO 605.4 0.0 6.5 NO CLEN10068 A1 ZCO10436 Cleanout 600.2 608.7 8.5 601.5 0.0 41.5 NO 602.1 0.0 76.4 NO 603.4 0.0 116.2 NO 608.7 0.0 133.5 NO CLEN10069 A1 CO10437 Cleanout 664.3 672.4 8.1 665.6 2.3 34.6 NO 666.1 3.8 62.4 NO 666.9 5.5 96.0 NO 672.4 6.3 106.0 NO CLEN10070 A1 CO10438 Cleanout 661.5 670.4 8.8 662.5 0.0 34.6 NO 662.8 0.0 62.6 NO 663.2 0.0 95.4 NO 663.3 0.0 106.0 NO CBIN10122 A1 CI0549 Curb Inlet 663.3 670.1 6.8 663.3 0.0 0.0 NO 663.3 0.0 0.0 NO 663.3 0.0 0.0 NO 663.3 0.0 0.0 NO CBIN10123 A1 CI0544 Curb Inlet 640.9 650.3 9.4 641.9 9.3 38.4 NO 642.2 17.5 70.5 NO 642.6 27.3 108.1 NO 642.7 31.5 120.0 NO CLEN10071 A1 ZCO10439 Cleanout 614.9 625.8 10.9 615.7 8.8 45.9 NO 616.0 14.7 83.3 NO 616.3 22.6 127.7 NO 616.4 25.8 142.4 NO CBIN10124 A1 CI0546 Curb Inlet 617.5 625.6 8.1 617.5 0.0 0.0 NO 617.5 0.0 0.0 NO 617.5 0.0 0.0 NO 617.5 0.0 0.0 NO INLT10035 A1 INL026 Inlet 611.4 625.3 13.9 611.7 0.0 5.8 NO 611.8 0.0 9.6 NO 613.1 0.0 14.3 NO 612.7 0.0 16.3 NO CLEN10072 A1 ZCO12025 Cleanout 604.3 611.7 7.4 607.2 0.0 51.3 NO 608.5 0.0 92.4 NO 611.8 0.0 164.3 NO 611.7 0.0 158.0 NO OTHR10030 A1 ZOTHER10229Other 610.2 625.8 15.6 611.0 0.0 51.3 NO 611.3 0.0 92.4 NO 612.8 0.0 148.8 NO 612.7 0.0 157.6 NO INLT10036 A1 INL125 Inlet 622.3 629.0 6.7 622.7 0.7 5.8 NO 622.8 1.2 9.6 NO 623.0 1.8 14.3 NO 623.0 2.0 16.3 NO CLEN10073 A1 CO10440 Cleanout 756.6 768.2 11.7 756.9 0.0 5.2 NO 757.0 0.0 8.6 NO 757.0 0.0 12.7 NO 757.1 0.0 14.4 NO CBIN10125 A1 CI0920 Curb Inlet 758.7 765.7 7.0 759.3 5.2 5.2 NO 759.5 8.6 8.6 NO 759.8 12.8 12.8 NO 759.9 14.5 14.5 NO INLT10037 A1 ZINL11230 Inlet 678.3 685.0 6.7 678.3 0.0 0.0 NO 678.3 0.0 0.0 NO 678.3 0.0 0.0 NO 678.3 0.0 0.0 NO CBIN10126 A1 CI0937 Curb Inlet 665.5 678.0 12.5 666.5 2.6 9.3 NO 666.9 4.6 15.9 NO 668.4 6.9 23.8 NO 669.2 7.9 27.1 NO INLT10038 A1 INL13249 Inlet 671.0 675.0 4.0 671.0 0.0 0.0 NO 671.0 0.0 0.0 NO 671.0 0.0 0.0 NO 671.0 0.0 0.0 NO CBIN10127 A1 CI0936 Curb Inlet 677.7 684.4 6.7 678.1 1.7 6.8 NO 678.2 2.7 11.4 NO 678.3 3.9 17.0 NO 678.4 4.5 19.3 NO INLT10039 A1 CI0938 Inlet 705.2 711.9 6.6 705.6 1.0 5.3 NO 705.8 1.6 8.9 NO 705.9 2.3 13.3 NO 705.9 2.6 15.6 NO CBIN10128 A1 CI0935 Curb Inlet 705.7 711.3 5.7 706.3 4.3 4.3 NO 706.5 7.4 7.4 NO 706.9 11.0 11.0 NO 707.0 12.5 12.5 NO CBIN10129 A1 CI0933 Curb Inlet 725.3 732.2 6.9 725.3 0.0 0.0 NO 725.3 0.0 0.0 NO 725.3 0.0 0.0 NO 725.3 0.0 0.0 NO CLEN10074 A1 ZCO10441 Cleanout 621.7 633.2 11.4 624.6 0.9 226.3 NO 633.2 1.5 384.6 NO 635.0 2.1 423.8 YES 637.1 2.4 407.7 YES CLEN10075 A1 ZCO10442 Cleanout 613.8 626.3 12.5 617.4 0.8 235.8 NO 626.3 1.4 380.9 NO 626.6 2.1 412.2 NO 628.5 2.4 419.6 YES CLEN10076 A1 ZCO11695 Cleanout 573.8 583.2 9.4 575.7 11.0 37.9 NO 577.7 17.9 62.3 NO 584.1 26.6 96.9 NO 585.4 30.2 93.5 YES CLEN10077 A1 ZCO11697 Cleanout 603.2 617.5 14.3 606.7 0.0 271.1 NO 617.5 0.0 416.9 NO 617.8 0.0 504.9 NO 617.8 0.0 539.2 NO CLEN10078 A1 ZCO11698 Cleanout 608.4 617.3 8.9 613.2 1.6 250.9 NO 617.4 2.7 383.5 NO 619.3 4.1 409.7 YES 621.3 4.7 425.9 YES CLEN10079 A1 ZCO11538 Cleanout 572.2 582.4 10.2 574.7 2.1 51.3 NO 577.1 3.3 73.7 NO 583.3 4.9 128.7 NO 584.4 5.7 117.1 YES INLT10040 A1 ZINL11232 Inlet 572.3 582.4 10.1 574.7 0.0 7.7 NO 577.4 0.0 11.8 NO 583.1 0.0 34.9 NO 584.4 0.0 40.8 YES INLT10041 A1 ZINL11233 Inlet 572.4 581.4 8.9 574.7 0.0 3.7 NO 577.7 0.0 6.5 NO 583.1 0.0 31.9 YES 584.4 0.0 29.7 YES CLEN10080 A1 ZCO10459 Cleanout 623.7 633.9 10.2 626.5 1.4 211.8 NO 633.9 2.2 396.0 NO 637.1 3.2 389.5 YES 639.3 3.6 392.5 YES OTHR10031 A1 ZOTHER10231Other 623.4 632.5 9.2 625.2 2.8 19.3 NO 632.6 4.6 29.6 NO 635.5 6.8 45.0 YES 637.6 7.7 48.2 YES OTHR10032 A1 ZOTHER10232Other 572.1 582.5 10.3 574.6 0.0 51.4 NO 577.1 0.0 72.3 NO 583.0 0.0 145.1 NO 584.3 0.0 142.6 YES OTHR10033 A1 ZOTHER10233Other 606.2 613.2 7.0 609.8 4.1 250.8 NO 614.3 7.5 529.2 YES 617.5 12.3 530.0 YES 619.2 14.3 545.0 YES OTHR10034 A1 ZOTHER10234Other 607.1 613.6 6.6 612.7 0.0 245.9 NO 614.7 0.0 385.0 YES 618.1 0.0 419.4 YES 619.8 0.0 430.5 YES INLT10042 A1 INL105 Inlet 577.2 581.5 4.3 577.6 4.2 4.2 NO 577.8 8.0 8.0 NO 583.1 12.5 13.1 YES 584.4 14.3 14.3 YES INLT10043 A1 INL017 Inlet 662.5 673.0 10.4 663.6 15.9 28.6 NO 664.2 26.5 58.3 NO 671.4 39.5 87.6 NO 673.3 45.0 109.3 NO CLEN10081 A1 ZCO12523 Cleanout 596.6 606.1 9.6 600.1 0.0 294.0 NO 601.3 0.0 503.5 NO 606.2 0.0 556.5 NO 607.7 0.0 543.7 YES CBIN10130 A1 CI10228 Curb Inlet 602.6 606.6 4.0 603.7 0.0 2.3 NO 606.6 0.0 3.1 NO 606.7 0.0 4.1 NO 608.6 0.0 7.2 YES INLT10044 A1 ZINL10462 Inlet 606.6 612.0 5.4 609.2 0.0 0.4 NO 612.0 0.0 7.8 NO 617.0 0.0 16.7 YES 618.9 0.0 23.1 YES

APPENDIX E
EXISTING JUNCTIONS: SUMMARY TABLE
City of San Marcos Drainage Master Plan 7 of 132 April 2019 Facility ID Sub
Watershed
Original
Facility ID Type
Invert
Elevation
(feet)
Rim
Elevation
(feet)
Depth
(feet)
Max.

HGL
(2-year)
(feet)
Max.

Lateral
Inflow
(2-year)
(cfs)
Max.

Total
Inflow
(2-year)
(cfs)
Surcharging
(2-year)
Max. HGL
(10-year)
(feet)
Max.

Lateral
Inflow
(10-year)
(cfs)
Max.

Total
Inflow
(10-year)
(cfs)
Surcharging
(10-year)
Max. HGL
(50-year)
(feet)
Max.

Lateral
Inflow
(50-year)
(cfs)
Max. Total
Inflow
(50-year)
(cfs)
Surcharging
(50-year)
Max. HGL
(100-year)
(feet)
Max.

Lateral
Inflow
(100-year)
(cfs)
Max. Total
Inflow
(100-year)
(cfs)
Surcharging
(100-year)
Existing Condition Junctions Summary table
Dimensions 2-year 10-year 50-year 100-year
CBIN10131 A1 CI0930 Curb Inlet 576.7 583.4 6.7 577.2 1.3 1.3 NO 578.1 2.0 2.0 NO 585.0 3.0 8.1 YES 586.4 3.4 7.3 YES CBIN10132 A1 CI0932 Curb Inlet 576.5 583.2 6.8 577.2 0.0 19.1 NO 578.1 0.0 33.1 NO 585.0 0.0 48.8 YES 586.4 0.0 47.8 YES CBIN10133 A1 CI0843 Curb Inlet 576.6 582.4 5.9 576.6 0.0 0.0 NO 578.0 0.0 1.0 NO 584.9 0.0 12.4 YES 586.2 0.0 16.8 YES CBIN10134 A1 CI0842 Curb Inlet 577.0 581.5 4.5 577.0 0.0 0.0 NO 577.4 0.0 0.8 NO 583.4 0.0 30.4 YES 584.6 0.0 29.4 YES CBIN10135 A1 CI0841 Curb Inlet 575.6 581.7 6.0 575.9 1.9 1.9 NO 577.3 3.2 3.2 NO 583.2 4.7 14.0 YES 584.6 5.3 20.1 YES CBIN10136 A1 CI1222 Curb Inlet 623.3 630.3 7.1 625.0 0.0 19.3 NO 630.4 0.0 29.6 NO 635.4 0.0 45.0 YES 637.5 0.0 50.7 YES CBIN10137 A1 CI1221 Curb Inlet 622.9 629.7 6.8 624.7 1.8 21.1 NO 629.9 2.8 31.9 NO 635.2 4.3 64.9 YES 637.3 4.9 67.1 YES CBIN10138 A1 CI10239 Curb Inlet 615.3 623.6 8.3 615.9 0.0 1.3 NO 623.6 0.0 3.8 NO 624.0 0.0 4.8 NO 625.8 0.0 5.9 YES CBIN10139 A1 CI0939 Curb Inlet 608.9 616.4 7.5 613.9 0.0 0.7 NO 616.4 0.0 4.8 NO 617.6 0.0 4.2 YES 619.6 0.0 5.5 YES CBIN10140 A1 CI10240 Curb Inlet 601.3 606.3 5.1 603.7 8.2 8.2 NO 606.4 14.0 14.0 NO 606.9 22.1 22.1 NO 609.3 25.4 25.4 YES CBIN10141 A1 CI1416 Curb Inlet 614.4 619.7 5.3 616.2 0.0 0.2 NO 619.8 0.0 7.8 NO 624.4 0.0 12.4 YES 626.4 0.0 9.9 YES CBIN10142 A1 CI1419 Curb Inlet 606.3 612.0 5.7 609.2 4.7 15.4 NO 612.0 8.7 28.9 NO 617.2 13.1 60.8 YES 618.7 15.1 56.3 YES CBIN10143 A1 CI1041 Curb Inlet 669.7 673.7 4.0 669.7 0.0 0.0 NO 669.7 0.0 0.0 NO 669.9 0.0 2.9 NO 670.1 0.0 5.1 NO CBIN10144 A1 CI0318 Curb Inlet 646.4 650.4 4.0 646.4 0.0 0.0 NO 646.9 0.0 0.1 NO 651.9 0.0 4.3 YES 654.3 0.0 7.1 YES CBIN10145 A1 CI0319 Curb Inlet 647.4 651.4 4.0 647.4 0.0 0.0 NO 647.4 0.0 0.0 NO 651.9 0.0 8.8 NO 654.2 0.0 11.3 YES OTHR10035 A1 ZOTHER10236Other 599.2 606.4 7.2 603.6 8.0 289.6 NO 606.4 13.0 437.4 NO 606.7 19.1 532.8 NO 609.0 21.6 542.4 YES OTHR10036 A1 ZOTHER10237Other 612.1 619.9 7.8 615.8 0.0 242.0 NO 619.9 0.0 384.2 NO 623.9 0.0 445.6 YES 625.9 0.0 436.2 YES OTHR10037 A1 ZOTHER10238Other 611.9 619.8 7.9 615.7 5.1 247.2 NO 619.8 10.3 395.5 NO 623.8 15.8 489.1 YES 625.8 18.3 517.5 YES OTHR10038 A1 ZOTHER10239Other 606.7 613.0 6.3 612.6 1.5 247.2 NO 613.9 3.0 418.3 NO 617.7 5.0 450.3 YES 619.5 5.9 460.8 YES OTHR10039 A1 ZOTHER10242Other 575.3 582.9 7.6 576.2 0.0 19.1 NO 578.0 0.0 34.9 NO 584.8 0.0 81.5 YES 586.2 0.0 73.5 YES OTHR10040 A1 ZOTHER10243Other 572.7 582.1 9.4 574.9 3.2 40.7 NO 577.3 5.1 62.2 NO 583.4 7.5 97.7 YES 584.6 8.5 96.4 YES OTHR10041 A1 ZOTHER10244Other 572.5 582.2 9.8 574.8 0.0 42.4 NO 577.3 0.0 62.6 NO 583.2 0.0 98.7 NO 584.5 0.0 102.6 YES OTHR10042 A1 ZOTHER10247Other 659.8 673.4 13.6 661.0 5.7 31.4 NO 661.7 9.7 63.7 NO 673.5 14.6 95.7 NO 673.5 16.7 105.1 NO OTHR10043 A1 ZOTHER10248Other 643.4 650.2 6.8 645.7 0.0 77.8 NO 646.8 0.0 142.4 NO 651.8 0.0 212.9 YES 654.2 0.0 216.1 YES CLEN10082 A1 ZCO12779 Cleanout 668.8 680.4 11.6 669.5 6.0 23.0 NO 669.8 9.9 39.4 NO 670.1 15.0 61.1 NO 670.2 17.0 69.2 NO INLT10045 A1 ZINL11242 Inlet 623.8 629.7 5.9 624.0 1.7 1.7 NO 624.1 2.8 2.8 NO 624.2 4.1 4.1 NO 624.2 4.7 4.7 NO CLEN10083 A1 ZCO11243 Cleanout 618.4 624.6 6.2 618.7 0.0 1.7 NO 618.8 0.0 2.8 NO 618.9 0.0 4.1 NO 618.9 0.0 4.6 NO CLEN10084 A1 ZCO12029 Cleanout 613.4 623.0 9.6 613.7 0.0 1.7 NO 613.8 0.0 2.8 NO 613.9 0.0 4.1 NO 613.9 0.0 4.6 NO CBIN10146 A1 CI10253 Curb Inlet 604.7 611.4 6.6 605.4 0.0 6.2 NO 605.6 0.0 10.1 NO 605.8 0.0 14.9 NO 605.9 0.0 16.9 NO OTLT10003 A1 OUT10276 Outlet 604.3 608.3 4.0 604.3 2.5 8.6 NO 604.3 4.1 14.0 NO 604.3 6.0 20.7 NO 604.3 6.8 23.4 NO CBIN10147 A1 CI10254 Curb Inlet 605.7 610.9 5.2 606.3 0.0 4.6 NO 606.4 0.0 7.4 NO 606.6 0.0 10.9 NO 606.7 0.0 12.4 NO INLT10046 A1 ZINL11472 Inlet 613.8 619.3 5.5 614.1 4.6 4.6 NO 614.2 7.4 7.4 NO 614.3 11.0 11.0 NO 614.3 12.4 12.4 NO INLT10047 A1 INL13251 Inlet 599.3 603.7 4.4 600.3 0.0 8.6 NO 600.6 0.0 14.0 NO 603.7 0.0 20.7 NO 603.8 0.0 23.4 NO CBIN10148 A1 CI10255 Curb Inlet 604.1 608.1 4.0 604.1 0.0 0.0 NO 604.8 0.0 1.7 NO 608.1 0.0 3.7 NO 608.6 0.0 5.0 NO OTHR10044 A1 ZOTHER10251Other 599.0 606.1 7.1 603.4 4.5 290.7 NO 604.9 8.2 470.1 NO 606.4 12.8 525.7 NO 608.6 14.8 527.1 YES CLEN10085 A1 CO11708 Cleanout 692.7 703.7 11.1 693.5 0.0 22.3 NO 693.9 0.0 43.8 NO 694.2 0.0 64.3 NO 694.3 0.0 69.1 NO CBIN10149 A1 CI0900 Curb Inlet 696.5 701.0 4.5 696.7 0.8 0.8 NO 696.7 1.3 1.3 NO 696.8 1.9 1.9 NO 696.8 2.2 2.2 NO CBIN10150 A1 CI0242 Curb Inlet 696.6 706.1 9.5 696.6 0.0 0.0 NO 696.6 0.0 0.0 NO 696.7 0.0 0.0 NO 696.7 0.0 0.0 NO CLEN10086 A1 CO12031 Cleanout 695.2 706.3 11.1 696.0 2.7 21.6 NO 696.4 4.3 42.7 NO 696.7 6.3 62.4 NO 696.7 7.0 67.1 NO CLEN10087 A1 CO12527 Cleanout 709.2 714.9 5.7 709.9 0.0 19.3 NO 710.2 0.0 39.1 NO 710.4 0.0 56.8 NO 710.4 0.0 60.9 NO OTHR10045 A1 ZOTHER10254Other 711.4 725.9 14.5 712.6 0.8 19.3 NO 713.3 1.2 39.4 NO 725.9 1.8 56.8 NO 725.9 2.0 60.9 NO CLEN10088 A1 CO10471 Cleanout 711.5 730.3 18.8 713.1 0.0 18.5 NO 714.1 0.0 38.2 NO 717.3 0.0 58.7 NO 718.3 0.0 63.3 NO CBIN10151 A1 CI0236 Curb Inlet 722.0 726.0 4.0 722.0 0.0 0.0 NO 722.0 0.0 0.0 NO 722.0 0.0 0.5 NO 722.0 0.0 1.1 NO CLEN10089 A1 ZCO12528 Cleanout 728.7 738.8 10.1 729.0 2.2 2.2 NO 729.1 4.1 4.1 NO 729.2 6.2 6.2 NO 729.2 7.1 7.1 NO INLT10048 A1 ZINL12529 Inlet 730.0 740.0 10.0 730.0 0.0 0.0 NO 730.0 0.0 0.0 NO 730.0 0.0 0.0 NO 730.0 0.0 0.0 NO CLEN10090 A1 CO12530 Cleanout 721.0 730.7 9.6 722.1 1.2 16.4 NO 722.9 2.1 34.7 NO 730.7 3.2 51.3 NO 730.7 3.6 55.1 NO CLEN10091 A1 ZCO11709 Cleanout 716.1 723.0 6.9 716.7 0.0 3.5 NO 716.9 0.0 6.2 NO 717.1 0.0 9.3 NO 717.2 0.0 10.6 NO CLEN10092 A1 ZCO11710 Cleanout 673.8 689.6 15.8 674.8 5.0 9.0 NO 675.1 8.2 15.5 NO 675.5 12.0 23.2 NO 675.6 13.7 26.5 NO CLEN10093 A1 ZCO11711 Cleanout 675.0 681.5 6.5 675.5 1.9 1.9 NO 675.6 3.4 3.4 NO 675.8 5.2 5.2 NO 675.8 6.0 6.0 NO

APPENDIX E
EXISTING JUNCTIONS: SUMMARY TABLE
City of San Marcos Drainage Master Plan 8 of 132 April 2019 Facility ID Sub
Watershed
Original
Facility ID Type
Invert
Elevation
(feet)
Rim
Elevation
(feet)
Depth
(feet)
Max.

HGL
(2-year)
(feet)
Max.

Lateral
Inflow
(2-year)
(cfs)
Max.

Total
Inflow
(2-year)
(cfs)
Surcharging
(2-year)
Max. HGL
(10-year)
(feet)
Max.

Lateral
Inflow
(10-year)
(cfs)
Max.

Total
Inflow
(10-year)
(cfs)
Surcharging
(10-year)
Max. HGL
(50-year)
(feet)
Max.

Lateral
Inflow
(50-year)
(cfs)
Max. Total
Inflow
(50-year)
(cfs)
Surcharging
(50-year)
Max. HGL
(100-year)
(feet)
Max.

Lateral
Inflow
(100-year)
(cfs)
Max. Total
Inflow
(100-year)
(cfs)
Surcharging
(100-year)
Existing Condition Junctions Summary table
Dimensions 2-year 10-year 50-year 100-year
CBIN10152 A1 CI0181 Curb Inlet 677.7 681.7 4.0 677.7 0.0 0.0 NO 677.7 0.0 0.0 NO 677.7 0.0 0.0 NO 677.7 0.0 0.0 NO CBIN10153 A1 CI0173 Curb Inlet 675.2 681.8 6.6 675.5 0.0 0.0 NO 675.6 0.0 0.0 NO 675.8 0.0 0.0 NO 675.8 0.0 0.0 NO CLEN10094 A1 ZCO12531 Cleanout 714.4 718.8 4.4 714.8 0.0 3.5 NO 714.9 0.0 6.1 NO 715.1 0.0 9.3 NO 715.1 0.0 10.6 NO CLEN10095 A1 ZCO12532 Cleanout 698.0 703.7 5.6 698.4 0.0 3.4 NO 698.5 0.0 6.1 NO 698.7 0.0 9.2 NO 698.7 0.0 10.5 NO CBIN10154 A1 CI0180 Curb Inlet 715.2 719.2 4.0 715.2 0.0 0.0 NO 715.2 0.0 0.0 NO 715.2 0.0 0.0 NO 715.2 0.0 0.0 NO CBIN10155 A1 CI0328 Curb Inlet 719.2 723.2 4.0 719.6 3.5 3.5 NO 719.7 6.2 6.2 NO 719.8 9.3 9.3 NO 719.9 10.6 10.6 NO CLEN10096 A1 CO10475 Cleanout 681.5 689.4 7.9 682.4 0.0 23.2 NO 682.7 0.0 43.1 NO 683.1 0.0 67.8 NO 683.2 0.0 76.7 NO CLEN10097 A1 CO10476 Cleanout 697.0 703.6 6.6 697.8 7.2 23.2 NO 698.2 14.0 43.1 NO 698.6 21.6 67.8 NO 698.7 24.8 76.8 NO CLEN10098 A1 CO10477 Cleanout 697.8 705.1 7.2 698.6 4.2 16.3 NO 698.9 7.2 29.4 NO 699.3 10.9 46.7 NO 699.4 12.4 53.0 NO CLEN10099 A1 ZCO11539 Cleanout 710.8 716.6 5.9 711.4 1.9 12.5 NO 711.7 3.2 22.7 NO 712.0 4.8 36.5 NO 712.1 5.5 42.0 NO INLT10049 A1 ZINL11540 Inlet 712.9 720.8 7.9 713.3 1.2 1.2 NO 713.4 2.5 2.5 NO 713.5 4.0 4.0 NO 713.6 4.6 4.6 NO CLEN10100 A1 ZCO11048 Cleanout 743.0 749.7 6.7 743.0 0.0 0.0 NO 743.0 0.0 0.0 NO 743.0 0.0 0.0 NO 743.0 0.0 0.0 NO INLT10050 A1 ZINL12535 Inlet 748.8 752.9 4.1 748.8 0.0 0.0 NO 748.8 0.0 0.0 NO 748.8 0.0 0.0 NO 748.8 0.0 0.0 NO CLEN10101 A1 CO10478 Cleanout 736.3 741.3 4.9 736.9 6.2 6.2 NO 737.1 11.9 11.9 NO 737.5 18.9 18.9 NO 741.3 21.7 21.7 NO CLEN10102 A1 CO10479 Cleanout 725.8 731.6 5.9 726.6 3.6 9.6 NO 727.1 6.2 17.8 NO 731.6 9.9 28.0 NO 731.7 11.4 37.3 NO CBIN10156 A1 CI0545 Curb Inlet 725.9 731.9 6.0 726.6 0.0 0.0 NO 727.1 0.0 0.1 NO 731.9 0.0 2.6 NO 732.0 0.0 5.7 NO CBIN10157 A1 CI0526 Curb Inlet 576.9 583.8 6.9 578.1 0.0 0.4 NO 583.8 0.0 0.6 NO 585.9 0.0 3.5 YES 588.1 0.0 6.0 YES CLEN10103 A1 ZCO10497 Cleanout 576.5 583.7 7.2 578.0 1.3 28.3 NO 582.5 2.1 39.8 NO 586.0 3.1 66.7 YES 588.2 3.5 62.9 YES CBIN10158 A1 CI0527 Curb Inlet 576.8 583.0 6.2 578.3 0.0 27.9 NO 583.0 0.0 38.1 NO 586.6 0.0 48.9 YES 588.9 0.0 54.0 YES CBIN10159 A1 CI0528 Curb Inlet 579.3 585.3 6.1 585.4 27.6 34.0 NO 589.8 46.3 46.3 YES 601.8 69.7 69.7 YES 607.5 79.3 79.3 YES CBIN10160 A1 CI0525 Curb Inlet 580.1 586.3 6.2 586.3 0.0 6.3 NO 589.8 0.0 6.5 YES 601.9 0.0 8.2 YES 607.5 0.0 9.7 YES CBIN10161 A1 CI0931 Curb Inlet 582.5 587.5 5.1 583.8 18.2 18.2 NO 587.6 30.4 30.4 NO 591.9 45.7 45.7 YES 595.2 52.0 52.0 YES CLEN10104 A1 ZCO10979 Cleanout 568.1 575.7 7.6 569.0 0.0 12.5 NO 569.2 0.0 20.4 NO 569.5 0.0 30.1 NO 569.6 0.0 34.1 NO CBIN10162 A1 CI1339 Curb Inlet 583.0 587.0 4.0 583.2 0.8 0.8 NO 583.2 1.3 1.3 NO 583.3 1.8 1.8 NO 583.3 2.1 2.1 NO CLEN10105 A1 ZCO10519 Cleanout 585.4 601.3 15.9 589.6 0.0 335.8 NO 591.1 0.0 522.5 NO 591.7 0.0 528.0 NO 601.3 0.0 581.1 NO CLEN10106 A1 ZCO10520 Cleanout 582.1 593.8 11.6 586.7 0.0 349.3 NO 588.3 0.0 515.7 NO 588.8 0.0 559.2 NO 589.1 0.0 591.4 NO CBIN10163 A1 CI10280 Curb Inlet 582.8 588.8 6.0 586.1 0.0 0.1 NO 587.7 0.0 0.0 NO 588.1 0.0 0.0 NO 588.3 0.0 0.0 NO OTHR10046 A1 ZOTHER10269Other 581.6 590.7 9.2 586.1 0.0 347.5 NO 587.7 0.0 515.7 NO 588.0 0.0 558.8 NO 588.3 0.0 588.1 NO OTHR10047 A1 ZOTHER10270Other 585.8 600.1 14.4 590.6 1.0 320.9 NO 592.0 1.6 470.1 NO 600.1 2.3 503.2 NO 600.2 2.6 555.2 NO OTHR10048 A1 ZOTHER10271Other 585.5 599.8 14.4 590.4 0.0 319.0 NO 591.9 0.0 489.0 NO 596.8 0.0 517.3 NO 600.0 0.0 557.3 NO CLEN10107 A1 ZCO11848 Cleanout 588.4 603.2 14.8 592.9 1.1 327.2 NO 594.4 1.7 474.8 NO 603.2 2.4 514.9 NO 603.3 2.7 555.8 NO CBIN10164 A1 CI1411 Curb Inlet 594.8 602.2 7.5 595.4 0.0 6.3 NO 597.0 0.0 10.4 NO 602.4 0.0 18.1 NO 603.9 0.0 18.9 YES OTHR10049 A1 ZOTHER10272Other 590.8 603.2 12.4 595.2 0.0 318.6 NO 596.9 0.0 472.3 NO 603.3 0.0 525.7 NO 603.7 0.0 566.3 NO CLEN10108 A1 ZCO12584 Cleanout 591.5 603.4 11.9 595.7 0.0 315.6 NO 597.5 0.0 468.7 NO 603.4 0.0 519.8 NO 604.5 0.0 534.9 YES CBIN10165 A1 CI0165 Curb Inlet 598.0 602.0 4.0 598.0 0.0 0.0 NO 598.4 0.0 0.2 NO 603.4 0.0 10.0 YES 605.6 0.0 12.4 YES CBIN10166 A1 CI0164 Curb Inlet 598.0 602.0 4.0 598.0 0.0 0.0 NO 598.0 0.0 0.0 NO 603.1 0.0 10.5 YES 605.1 0.0 13.2 YES OTHR10050 A1 ZOTHER10273Other 593.0 602.5 9.5 596.8 1.8 306.9 NO 598.3 3.4 461.4 NO 603.4 5.8 487.4 NO 605.3 6.8 534.6 YES OTHR10051 A1 ZOTHER10274Other 592.4 602.2 9.8 596.4 4.8 313.0 NO 598.0 9.0 467.2 NO 603.0 14.8 530.0 NO 605.0 17.2 560.3 YES OTHR10052 A1 ZOTHER10275Other 592.7 602.5 9.8 596.6 0.0 308.0 NO 598.2 0.0 461.9 NO 603.2 0.0 508.8 NO 605.1 0.0 533.6 YES OTHR10053 A1 ZOTHER10276Other 593.3 604.1 10.9 597.0 0.9 305.2 NO 598.5 1.5 454.7 NO 604.1 2.2 482.2 NO 605.5 2.5 514.9 YES CBIN10167 A1 CI0166 Curb Inlet 597.1 603.1 6.0 597.1 0.0 0.0 NO 598.6 0.0 2.7 NO 603.3 0.0 6.3 NO 605.2 0.0 9.3 YES OTHR10054 A1 ZOTHER10277Other 598.8 605.9 7.1 601.5 0.0 293.2 NO 603.1 0.0 507.2 NO 606.0 0.0 571.2 NO 608.2 0.0 548.6 YES CBIN10168 A1 CI0230 Curb Inlet 599.8 605.8 6.0 601.5 6.4 6.4 NO 603.2 12.1 12.1 NO 606.1 18.1 18.1 NO 608.3 20.9 20.9 YES OTHR10055 A1 ZOTHER10278Other 584.4 592.4 8.0 586.9 0.6 37.5 NO 589.4 1.1 63.7 NO 591.9 1.6 86.5 NO 592.5 1.8 87.6 NO CBIN10169 A1 CI1463 Curb Inlet 597.7 601.7 4.0 598.3 0.0 9.6 NO 598.5 0.0 15.5 NO 598.8 0.0 23.4 NO 598.9 0.0 25.9 NO INLT10051 A1 ZINL12585 Inlet 598.0 602.0 4.0 598.8 9.6 9.6 NO 599.1 15.5 15.5 NO 600.9 22.9 22.9 NO 602.0 25.9 25.9 NO CBIN10170 A1 CI0358 Curb Inlet 585.7 594.2 8.5 587.5 7.6 28.3 NO 594.2 12.9 53.7 NO 594.5 19.0 65.1 NO 595.2 21.6 65.4 YES CBIN10171 A1 CI0359 Curb Inlet 587.9 594.5 6.6 587.9 0.0 0.0 NO 594.5 0.0 9.0 NO 594.7 0.0 10.0 NO 595.3 0.0 11.5 NO CBIN10172 A1 CI0622 Curb Inlet 586.5 593.0 6.5 588.5 3.5 21.2 NO 593.8 6.7 40.8 NO 598.5 10.9 45.3 YES 600.0 12.6 48.2 YES

APPENDIX E
EXISTING JUNCTIONS: SUMMARY TABLE
City of San Marcos Drainage Master Plan 9 of 132 April 2019 Facility ID Sub
Watershed
Original
Facility ID Type
Invert
Elevation
(feet)
Rim
Elevation
(feet)
Depth
(feet)
Max.

HGL
(2-year)
(feet)
Max.

Lateral
Inflow
(2-year)
(cfs)
Max.

Total
Inflow
(2-year)
(cfs)
Surcharging
(2-year)
Max. HGL
(10-year)
(feet)
Max.

Lateral
Inflow
(10-year)
(cfs)
Max.

Total
Inflow
(10-year)
(cfs)
Surcharging
(10-year)
Max. HGL
(50-year)
(feet)
Max.

Lateral
Inflow
(50-year)
(cfs)
Max. Total
Inflow
(50-year)
(cfs)
Surcharging
(50-year)
Max. HGL
(100-year)
(feet)
Max.

Lateral
Inflow
(100-year)
(cfs)
Max. Total
Inflow
(100-year)
(cfs)
Surcharging
(100-year)
Existing Condition Junctions Summary table
Dimensions 2-year 10-year 50-year 100-year
CBIN10173 A1 CI0621 Curb Inlet 586.6 593.8 7.1 588.6 3.3 18.0 NO 594.1 5.5 33.8 NO 598.9 8.4 38.0 YES 600.5 9.6 38.6 YES CBIN10174 A1 CI0928 Curb Inlet 592.8 600.4 7.6 593.7 3.4 15.8 NO 600.4 6.3 32.1 NO 602.4 10.1 34.3 YES 604.6 11.7 32.8 YES CBIN10175 A1 CI0929 Curb Inlet 593.0 601.0 8.1 594.3 0.0 11.7 NO 601.1 0.0 22.2 NO 602.8 0.0 26.1 YES 605.0 0.0 25.7 YES CBIN10176 A1 CI0059 Curb Inlet 593.9 601.0 7.0 595.2 0.0 0.1 NO 601.0 0.0 1.5 NO 604.8 0.0 5.0 YES 607.3 0.0 5.7 YES CBIN10177 A1 CI0060 Curb Inlet 593.8 600.5 6.7 595.2 11.8 11.8 NO 600.5 20.2 20.4 NO 604.8 29.9 29.9 YES 607.3 34.1 34.1 YES CBIN10178 A1 CI10289 Curb Inlet 638.5 646.4 7.9 640.7 7.2 96.3 NO 641.6 12.3 171.9 NO 647.1 19.3 233.2 NO 649.6 22.2 267.0 YES CBIN10179 A1 CI10290 Curb Inlet 649.3 653.6 4.3 649.7 6.1 6.1 NO 649.9 10.4 10.4 NO 653.8 15.5 19.5 NO 657.4 17.6 18.5 YES INLT10052 A1 ZINL12960 Inlet 647.1 659.5 12.5 648.6 3.8 67.7 NO 649.1 6.8 112.0 NO 659.6 10.6 171.3 NO 659.8 12.1 187.7 NO CBIN10180 A1 CI10291 Curb Inlet 630.3 639.4 9.1 639.4 0.0 1.6 NO 639.8 0.0 10.7 NO 643.6 0.0 13.7 YES 645.9 0.0 13.4 YES CBIN10181 A1 CI1510 Curb Inlet 626.4 636.4 10.1 636.4 1.5 210.9 NO 636.9 2.8 433.9 NO 642.1 4.4 451.1 YES 644.3 5.0 442.4 YES OTHR10056 A1 ZOTHER10293Other 627.4 639.2 11.8 639.2 3.4 209.0 NO 639.8 6.1 367.4 NO 643.6 9.7 447.6 YES 645.8 11.1 459.3 YES CLEN10109 A1 ZCO11849 Cleanout 636.5 643.9 7.4 638.1 2.3 98.5 NO 640.4 3.9 175.5 NO 645.9 5.8 238.6 YES 648.3 6.6 250.1 YES OTHR10057 A1 ZOTHER10296Other 629.7 640.5 10.8 632.8 4.1 175.7 NO 640.7 7.2 317.5 NO 644.5 11.0 430.5 YES 646.8 12.7 434.8 YES OTHR10058 A1 ZOTHER10297Other 628.0 639.4 11.4 632.3 0.0 179.7 NO 640.6 0.0 349.2 YES 643.9 0.0 404.9 YES 646.1 0.0 412.6 YES OTHR10059 A1 ZOTHER10298Other 642.8 656.5 13.7 644.6 1.8 74.9 NO 645.2 3.0 124.0 NO 656.6 4.5 225.9 NO 657.0 5.1 232.1 NO CLEN10110 A1 ZCO12587 Cleanout 641.2 649.3 8.1 642.1 3.6 20.5 NO 642.4 6.0 35.7 NO 649.5 8.9 64.5 NO 652.1 10.1 65.5 YES CLEN10111 A1 ZCO12588 Cleanout 638.2 645.9 7.7 639.1 0.0 20.5 NO 641.4 0.0 35.7 NO 648.7 0.0 55.9 YES 651.2 0.0 57.3 YES CBIN10182 A1 CI10292 Curb Inlet 664.3 673.2 8.9 664.3 0.0 0.0 NO 664.3 0.0 0.0 NO 664.3 0.0 0.0 NO 664.3 0.0 0.0 NO CBIN10183 A1 CI10293 Curb Inlet 666.4 673.0 6.6 666.4 0.0 0.0 NO 666.4 0.0 0.0 NO 666.4 0.0 0.0 NO 666.4 0.0 0.0 NO CBIN10184 A1 CI10298 Curb Inlet 656.4 665.5 9.1 657.1 0.0 13.6 NO 657.4 0.0 23.7 NO 657.7 0.0 36.2 NO 657.9 0.0 41.4 NO OTHR10060 A1 ZOTHER10299Other 639.6 647.0 7.4 641.4 15.7 89.9 NO 642.1 25.7 161.3 NO 647.4 38.5 215.5 NO 649.9 43.8 222.9 YES CLEN10112 A1 ZCO12053 Cleanout 648.2 654.2 6.0 649.0 0.0 13.5 NO 649.3 0.0 23.7 NO 650.7 0.0 36.1 NO 654.3 0.0 43.4 NO CBIN10185 A1 CI0495 Curb Inlet 632.3 636.3 4.0 632.9 3.2 3.2 NO 633.0 5.2 5.2 NO 637.6 7.6 7.7 YES 639.7 8.6 8.6 YES CLEN10113 A1 ZCO12591 Cleanout 626.7 633.6 6.8 628.0 2.3 12.7 NO 633.6 3.9 21.5 NO 637.2 5.8 29.4 YES 639.2 6.6 31.2 YES CBIN10186 A1 CI0740 Curb Inlet 628.2 632.7 4.5 629.2 5.6 8.6 NO 632.7 9.5 18.8 NO 637.6 14.6 31.9 YES 639.7 16.6 31.9 YES CLEN10114 A1 ZCO10532 Cleanout 630.4 635.2 4.8 630.7 0.0 3.1 NO 631.6 0.0 5.2 NO 637.6 0.0 15.8 YES 639.7 0.0 15.7 YES CBIN10187 A1 CI1200 Curb Inlet 632.6 637.2 4.5 632.9 2.3 2.3 NO 633.0 3.8 3.8 NO 637.4 5.6 5.6 NO 639.2 6.4 6.4 YES CBIN10188 A1 CI1004 Curb Inlet 626.1 632.1 6.0 627.5 1.4 14.0 NO 632.1 2.3 26.9 NO 636.9 3.4 32.5 YES 639.0 3.9 31.4 YES OTHR10061 A1 ZOTHER10300Other 626.5 636.5 10.1 636.6 2.7 210.9 NO 637.4 4.4 367.1 NO 642.2 6.4 432.2 YES 644.4 7.3 441.7 YES CBIN10189 A1 CI1413 Curb Inlet 630.9 636.6 5.7 632.1 0.0 6.9 NO 637.9 0.0 28.0 YES 642.3 0.0 19.3 YES 644.4 0.0 20.5 YES CBIN10190 A1 CI10301 Curb Inlet 624.1 629.2 5.1 625.6 2.8 16.6 NO 629.6 4.9 27.3 NO 635.8 7.3 38.1 YES 637.9 8.4 38.3 YES CLEN10115 A1 ZCO12592 Cleanout 625.0 633.1 8.1 626.3 0.0 14.1 NO 633.1 0.0 22.4 NO 636.1 0.0 35.5 YES 638.2 0.0 35.8 YES INLT10053 A1 ZINL13108 Inlet 693.8 697.8 4.0 699.8 139.2 139.2 YES 708.0 330.9 330.9 YES 708.2 541.2 541.2 YES 708.4 642.0 642.0 YES INLT10054 A1 ZINL12830 Inlet 601.3 605.3 4.0 601.3 0.0 0.0 NO 602.2 0.0 1.2 NO 605.4 0.0 5.2 NO 605.4 0.0 6.0 NO INLT10055 A1 INL11274 Inlet 566.2 573.9 7.7 566.7 12.5 12.5 NO 566.9 19.7 19.7 NO 567.2 28.6 28.6 NO 567.3 32.2 32.2 NO OTLT10004 A1 OUT084 Outlet 745.9 749.9 4.0 746.2 0.0 26.9 NO 746.3 0.0 47.8 NO 746.4 0.0 72.1 NO 746.4 0.0 82.7 NO CBIN10191 A1 CI10684 Curb Inlet 588.7 592.7 4.0 588.7 0.0 0.0 NO 588.7 0.0 0.0 NO 588.7 0.0 0.0 NO 588.7 0.0 0.0 NO INLT10056 A1 OUT042 Inlet 631.5 636.3 4.8 635.6 3.1 105.3 NO 636.7 5.7 202.7 NO 639.1 9.0 266.1 YES 640.3 10.2 280.3 YES CLEN10116 A1 ZCO12781 Cleanout 634.8 641.7 6.9 637.3 6.6 103.5 NO 641.7 12.0 199.7 NO 644.7 18.5 284.6 YES 646.8 21.0 291.8 YES CLEN10117 A1 ZCO11552 Cleanout 644.1 653.0 8.9 646.0 0.0 77.7 NO 647.1 0.0 161.2 NO 655.5 0.0 239.3 YES 658.5 0.0 256.8 YES OTHR10062 A1 ZOTHER10339Other 641.9 649.3 7.5 643.6 0.0 84.1 NO 644.8 0.0 169.6 NO 652.0 0.0 245.1 YES 654.7 0.0 249.4 YES CBIN10192 A1 CI1043 Curb Inlet 642.8 648.5 5.7 643.6 6.9 6.9 NO 645.0 13.3 13.3 NO 652.4 20.7 20.7 YES 655.0 23.8 23.8 YES CBIN10193 A1 CI1246 Curb Inlet 638.1 642.1 4.0 638.1 0.0 0.0 NO 642.1 0.0 3.3 NO 644.7 0.0 4.6 YES 646.8 0.0 4.9 YES CBIN10194 A1 CI1247 Curb Inlet 634.9 641.0 6.1 637.4 0.0 14.5 NO 641.0 0.0 19.8 NO 644.9 0.0 78.9 YES 646.8 0.0 84.3 YES INLT10057 A1 INL032 Inlet 669.4 679.4 10.1 669.4 0.0 0.0 NO 669.4 0.0 0.0 NO 669.4 0.0 0.0 NO 669.4 0.0 0.0 NO CLEN10118 A1 ZCO12797 Cleanout 668.8 678.8 10.0 669.1 1.7 1.7 NO 669.2 3.0 3.0 NO 669.3 4.4 4.4 NO 669.4 5.1 5.1 NO CBIN10195 A1 CI0645 Curb Inlet 668.7 676.8 8.1 669.0 0.9 0.9 NO 669.0 1.4 1.4 NO 669.1 2.0 2.0 NO 669.1 2.3 2.3 NO CBIN10196 A1 CI10669 Curb Inlet 668.4 674.4 6.0 668.6 2.1 2.1 NO 668.6 3.2 3.2 NO 668.6 4.7 4.7 NO 668.7 5.3 5.3 NO CBIN10197 A1 CI10322 Curb Inlet 666.8 674.2 7.4 666.8 0.0 0.0 NO 666.8 0.0 0.0 NO 666.8 0.0 0.0 NO 666.8 0.0 0.0 NO

APPENDIX E
EXISTING JUNCTIONS: SUMMARY TABLE
City of San Marcos Drainage Master Plan 10 of 132 April 2019 Facility ID Sub
Watershed
Original
Facility ID Type
Invert
Elevation
(feet)
Rim
Elevation
(feet)
Depth
(feet)
Max.

HGL
(2-year)
(feet)
Max.

Lateral
Inflow
(2-year)
(cfs)
Max.

Total
Inflow
(2-year)
(cfs)
Surcharging
(2-year)
Max. HGL
(10-year)
(feet)
Max.

Lateral
Inflow
(10-year)
(cfs)
Max.

Total
Inflow
(10-year)
(cfs)
Surcharging
(10-year)
Max. HGL
(50-year)
(feet)
Max.

Lateral
Inflow
(50-year)
(cfs)
Max. Total
Inflow
(50-year)
(cfs)
Surcharging
(50-year)
Max. HGL
(100-year)
(feet)
Max.

Lateral
Inflow
(100-year)
(cfs)
Max. Total
Inflow
(100-year)
(cfs)
Surcharging
(100-year)
Existing Condition Junctions Summary table
Dimensions 2-year 10-year 50-year 100-year
CBIN10198 A1 CI10323 Curb Inlet 670.3 676.1 5.8 670.3 0.0 0.0 NO 670.3 0.0 0.0 NO 670.9 0.0 0.7 NO 671.2 0.0 2.0 NO CBIN10199 A1 CI0643 Curb Inlet 669.0 676.0 7.0 669.0 0.0 0.0 NO 670.1 0.0 0.4 NO 670.9 0.0 0.8 NO 676.0 0.0 2.5 NO OTHR10063 A1 ZOTHER10363Other 666.9 676.4 9.5 668.9 0.0 51.9 NO 670.0 0.0 104.9 NO 670.9 0.0 168.1 NO 676.4 0.0 190.7 NO INLT10058 A1 ZINL12618 Inlet 666.8 670.8 4.0 668.3 0.0 51.9 NO 668.6 0.0 105.9 NO 669.0 0.0 209.6 NO 669.1 0.0 226.0 NO CLEN10119 A1 ZCO10577 Cleanout 667.3 676.8 9.6 669.3 6.9 51.9 NO 670.4 12.6 104.9 NO 671.8 19.0 166.4 NO 672.2 21.9 188.1 NO CLEN10120 A1 ZCO10578 Cleanout 666.8 677.7 10.9 669.2 0.0 123.8 NO 670.2 0.0 221.9 NO 671.4 0.0 325.7 NO 671.9 0.0 346.6 NO CBIN10200 A1 CI10324 Curb Inlet 669.3 677.7 8.5 669.6 2.7 2.7 NO 670.2 4.6 4.6 NO 671.5 7.0 7.0 NO 672.0 7.9 7.9 NO CLEN10121 A1 CO012 Cleanout 669.1 677.4 8.3 670.1 0.0 28.7 NO 670.7 0.0 47.7 NO 672.1 0.0 71.8 NO 677.4 0.0 76.3 NO CLEN10122 A1 ZCO10580 Cleanout 670.9 680.9 10.0 672.8 0.0 92.4 NO 673.8 0.0 169.6 NO 675.2 0.0 251.8 NO 676.8 0.0 270.5 NO CBIN10201 A1 CI1720 Curb Inlet 672.3 682.3 10.0 674.0 14.5 35.3 NO 675.1 27.0 61.8 NO 682.3 42.2 89.6 NO 680.2 48.5 94.3 NO CLEN10123 A1 ZCO12083 Cleanout 669.0 679.2 10.3 671.3 0.0 92.7 NO 672.4 0.0 169.9 NO 674.4 0.0 249.9 NO 679.2 0.0 270.6 NO SEPR10004 A1 SEP016 Separator 695.8 699.9 4.1 696.6 0.0 9.7 NO 697.0 0.0 20.4 NO 697.6 0.0 34.5 NO 698.4 0.0 34.0 NO OTLT10005 A1 OUT012 Outlet 693.5 697.5 4.0 694.6 0.0 9.7 NO 694.9 0.0 18.9 NO 695.2 0.0 30.6 NO 695.3 0.0 33.0 NO CBIN10202 A1 CI10348 Curb Inlet 606.9 614.9 8.0 607.7 0.0 9.3 NO 607.9 0.0 16.1 NO 608.2 0.0 24.6 NO 608.4 0.0 28.3 NO CBIN10203 A1 CI10349 Curb Inlet 609.4 614.7 5.3 609.7 0.0 0.0 NO 609.9 0.0 0.0 NO 610.0 0.0 0.0 NO 610.1 0.0 0.0 NO CBIN10204 A1 CI10350 Curb Inlet 609.2 614.9 5.7 609.7 7.7 7.7 NO 609.9 13.3 13.3 NO 610.0 20.5 20.5 NO 610.1 23.4 23.4 NO CLEN10124 A1 ZCO12636 Cleanout 603.7 610.9 7.2 604.8 0.0 12.2 NO 605.3 0.0 20.8 NO 605.8 0.0 32.0 NO 606.4 0.0 36.3 NO INLT10059 A1 ZINL10597 Inlet 614.8 623.3 8.5 615.1 0.0 3.3 NO 615.2 0.0 5.3 NO 615.3 0.0 7.9 NO 615.3 0.0 8.9 NO CBIN10205 A1 CI10351 Curb Inlet 618.8 624.4 5.6 619.1 3.3 3.3 NO 619.1 5.3 5.3 NO 619.2 7.9 7.9 NO 619.2 8.9 8.9 NO CBIN10206 A1 CI10685 Curb Inlet 604.2 610.9 6.7 604.9 0.0 0.1 NO 605.3 0.0 0.2 NO 605.9 0.0 0.3 NO 606.2 0.0 1.3 NO INLT10060 A1 ZINL12842 Inlet 605.0 616.1 11.1 605.0 0.0 0.0 NO 605.3 0.0 0.0 NO 605.9 0.0 0.1 NO 606.3 0.0 0.4 NO OTHR10064 A1 ZOTHER10414Other 603.9 610.9 7.0 604.8 0.0 0.3 NO 605.3 0.0 0.5 NO 605.9 0.0 0.7 NO 606.5 0.0 2.2 NO INLT10061 A1 ZINL12637 Inlet 604.6 614.0 9.4 604.8 0.0 0.0 NO 605.3 0.0 0.0 NO 605.9 0.0 0.0 NO 606.8 0.0 0.2 NO CBIN10207 A1 CI10352 Curb Inlet 609.1 617.8 8.7 609.5 0.0 0.1 NO 609.6 0.0 0.1 NO 609.8 0.0 0.1 NO 609.9 0.0 0.2 NO CBIN10208 A1 CI10353 Curb Inlet 609.2 617.3 8.1 609.5 0.0 0.0 NO 609.6 0.0 0.0 NO 609.8 0.0 0.0 NO 609.9 0.0 0.1 NO INLT10062 A1 ZINL10598 Inlet 609.7 617.6 7.9 610.7 3.0 12.3 NO 611.1 5.2 21.3 NO 611.5 7.8 32.9 NO 611.6 8.9 37.7 NO OTHR10065 A1 ZOTHER10419Other 611.3 620.4 9.1 612.2 9.5 9.5 NO 612.5 16.4 16.4 NO 612.9 25.4 25.4 NO 613.0 29.2 29.2 NO INLT10063 A1 ZINL10605 Inlet 575.6 580.8 5.1 576.0 1.5 1.5 NO 576.1 2.4 2.4 NO 576.3 3.5 3.5 NO 576.3 3.9 3.9 NO CBIN10209 A1 ZCI10357 Curb Inlet 575.2 580.7 5.4 575.6 0.0 1.5 NO 575.7 0.0 2.4 NO 575.9 0.0 3.5 NO 575.9 0.0 3.9 NO INLT10064 A1 ZINL11066 Inlet 573.4 581.4 8.1 573.9 1.4 2.8 NO 574.0 2.1 4.4 NO 574.2 3.1 6.5 NO 574.3 3.5 7.3 NO OTHR10066 A1 ZOTHER10422Other 565.4 582.8 17.4 566.3 0.0 123.1 NO 566.6 0.0 177.4 NO 566.8 0.0 243.3 NO 566.9 0.0 261.9 NO CBIN10210 A1 ZCI10686 Curb Inlet 574.7 580.9 6.1 575.1 0.0 1.5 NO 575.2 0.0 2.4 NO 575.3 0.0 3.5 NO 575.4 0.0 3.9 NO INLT10065 A1 ZINL12661 Inlet 576.6 580.6 4.0 576.6 0.0 0.0 NO 576.6 0.0 0.0 NO 576.6 0.0 0.0 NO 576.6 0.0 0.0 NO CBIN10211 A1 ZCI10369 Curb Inlet 564.0 582.4 18.4 564.9 3.1 121.2 NO 565.2 4.9 177.5 NO 565.4 7.2 243.2 NO 565.5 8.1 263.6 NO CBIN10212 A1 ZCI10378 Curb Inlet 696.1 700.1 4.0 696.1 0.0 0.0 NO 696.1 0.0 0.0 NO 696.1 0.0 0.0 NO 696.1 0.0 0.0 NO CLEN10125 A1 ZCO13028 Cleanout 690.9 696.9 6.0 690.9 0.0 0.0 NO 690.9 0.0 0.0 NO 691.1 0.0 0.2 NO 691.2 0.0 0.3 NO CBIN10213 A1 CI10379 Curb Inlet 695.7 699.7 4.0 695.7 0.0 0.0 NO 695.7 0.0 0.0 NO 695.7 0.0 0.0 NO 695.7 0.0 0.0 NO CLEN10126 A1 ZCO10636 Cleanout 689.5 693.5 4.0 689.5 0.0 0.0 NO 690.2 0.0 1.5 NO 691.0 0.0 4.9 NO 693.5 0.0 2.8 NO INLT10066 A1 ZINL10637 Inlet 688.5 694.5 6.0 688.5 0.0 0.0 NO 694.5 0.0 2.6 NO 694.6 0.0 5.3 NO 694.6 0.0 4.1 NO INLT10067 A1 ZINL10638 Inlet 687.5 693.5 6.0 688.4 3.3 3.3 NO 693.6 5.2 5.2 NO 693.6 7.7 8.2 NO 693.6 8.6 8.6 NO CLEN10127 A1 ZCO11762 Cleanout 687.1 696.9 9.8 688.3 0.0 3.2 NO 696.9 0.0 5.1 NO 696.9 0.0 8.9 NO 696.9 0.0 7.9 NO OTHR10067 A1 ZOTHER10434Other 690.5 696.5 6.0 690.5 0.0 0.0 NO 690.5 0.0 0.0 NO 691.0 0.0 0.8 NO 691.2 0.0 1.1 NO OTHR10068 A1 ZOTHER10435Other 690.5 695.9 5.5 693.0 0.0 74.1 NO 699.2 0.0 142.4 YES 708.5 0.0 206.8 YES 714.9 0.0 239.6 YES OTHR10069 A1 ZOTHER10436Other 689.8 695.4 5.6 692.3 0.0 74.4 NO 697.7 0.0 143.2 YES 704.9 0.0 206.5 YES 710.0 0.0 239.1 YES CLEN10128 A1 ZCO11854 Cleanout 692.5 699.9 7.3 695.1 0.0 77.1 NO 704.5 0.0 141.0 YES 720.4 0.0 208.8 YES 730.9 0.0 242.8 YES OTHR10070 A1 ZOTHER10437Other 691.1 696.6 5.5 693.7 0.0 74.3 NO 700.9 0.0 141.8 YES 712.4 0.0 207.5 YES 720.2 0.0 240.7 YES CLEN10129 A1 ZCO10639 Cleanout 685.8 693.5 7.7 688.3 9.7 81.1 NO 693.5 15.5 160.0 NO 693.5 22.9 223.5 NO 693.5 25.9 257.5 NO INLT10068 A1 ZINL10640 Inlet 690.3 694.3 4.0 691.2 6.6 6.6 NO 696.8 11.9 11.9 YES 701.4 18.4 18.4 YES 703.9 21.2 21.2 YES INLT10069 A1 ZINL11311 Inlet 688.3 694.3 6.0 689.7 0.0 6.5 NO 695.2 0.0 10.4 NO 698.2 0.0 15.3 YES 699.9 0.0 17.2 YES

APPENDIX E
EXISTING JUNCTIONS: SUMMARY TABLE
City of San Marcos Drainage Master Plan 11 of 132 April 2019 Facility ID Sub
Watershed
Original
Facility ID Type
Invert
Elevation
(feet)
Rim
Elevation
(feet)
Depth
(feet)
Max.

HGL
(2-year)
(feet)
Max.

Lateral
Inflow
(2-year)
(cfs)
Max.

Total
Inflow
(2-year)
(cfs)
Surcharging
(2-year)
Max. HGL
(10-year)
(feet)
Max.

Lateral
Inflow
(10-year)
(cfs)
Max.

Total
Inflow
(10-year)
(cfs)
Surcharging
(10-year)
Max. HGL
(50-year)
(feet)
Max.

Lateral
Inflow
(50-year)
(cfs)
Max. Total
Inflow
(50-year)
(cfs)
Surcharging
(50-year)
Max. HGL
(100-year)
(feet)
Max.

Lateral
Inflow
(100-year)
(cfs)
Max. Total
Inflow
(100-year)
(cfs)
Surcharging
(100-year)
Existing Condition Junctions Summary table
Dimensions 2-year 10-year 50-year 100-year
INLT10070 A1 ZINL11312 Inlet 688.3 694.3 6.0 689.3 0.0 6.4 NO 694.4 0.0 12.2 NO 696.8 0.0 13.4 YES 698.0 0.0 15.0 YES INLT10071 A1 ZINL12123 Inlet 687.3 693.3 6.0 689.1 0.0 6.1 NO 693.4 0.0 12.1 NO 695.1 0.0 12.7 YES 695.6 0.0 14.4 YES INLT10072 A1 ZINL12124 Inlet 687.3 693.3 6.0 688.7 0.0 6.2 NO 693.4 0.0 11.8 NO 693.7 0.0 13.3 NO 694.0 0.0 14.5 NO CLEN10130 A1 ZCO12125 Cleanout 688.0 695.1 7.1 690.4 0.0 75.4 NO 695.2 0.0 147.4 NO 697.3 0.0 207.4 YES 699.8 0.0 240.0 YES CLEN10131 A1 ZCO12667 Cleanout 689.6 696.0 6.4 691.9 2.5 74.8 NO 697.1 3.9 145.4 YES 703.6 5.6 207.5 YES 708.3 6.3 240.1 YES INLT10073 A1 ZINL12853 Inlet 686.6 693.4 6.8 692.5 0.0 6.1 NO 693.4 0.0 11.5 NO 693.4 0.0 14.5 NO 693.4 0.0 15.0 NO CBIN10214 A1 CI10380 Curb Inlet 662.3 669.2 6.9 662.7 6.5 6.5 NO 662.8 10.5 10.5 NO 662.9 15.7 15.7 NO 662.9 17.9 17.9 NO CLEN10132 A1 ZCO12669 Cleanout 660.5 669.0 8.5 661.2 0.0 9.0 NO 661.4 0.0 14.6 NO 661.7 0.0 21.8 NO 662.2 0.0 24.7 NO CBIN10215 A1 CI10381 Curb Inlet 660.8 669.3 8.6 661.4 2.5 2.5 NO 661.6 4.1 4.1 NO 661.9 6.1 6.1 NO 664.1 6.9 6.9 NO CBIN10216 A1 CI0777 Curb Inlet 658.6 667.5 8.9 659.2 5.3 5.3 NO 659.4 8.5 8.5 NO 659.7 12.6 12.6 NO 659.9 14.2 14.2 NO CBIN10217 A1 CI0778 Curb Inlet 657.0 666.9 9.9 657.7 1.7 7.0 NO 657.9 2.7 11.2 NO 658.1 4.1 16.5 NO 658.2 4.6 18.4 NO CLEN10133 A1 ZCO12671 Cleanout 653.9 664.5 10.6 654.7 0.0 7.0 NO 654.9 0.0 11.1 NO 655.2 0.0 16.5 NO 655.3 0.0 18.4 NO CLEN10134 A1 ZCO12672 Cleanout 653.2 662.2 9.0 654.2 0.0 8.8 NO 654.5 0.0 14.5 NO 662.3 0.0 22.5 NO 662.3 0.0 25.1 NO CBIN10218 A1 CI10382 Curb Inlet 652.6 661.3 8.7 653.6 3.2 11.9 NO 654.0 5.3 19.3 NO 661.3 8.0 38.5 NO 661.4 9.1 42.1 NO CBIN10219 A1 CI1241 Curb Inlet 650.7 662.9 12.2 651.9 5.6 17.2 NO 652.4 9.8 28.5 NO 662.9 15.1 46.2 NO 662.9 17.3 52.2 NO CBIN10220 A1 CI1242 Curb Inlet 651.2 663.1 11.9 651.9 3.5 3.5 NO 652.4 5.7 5.7 NO 663.1 8.5 8.5 NO 663.1 9.7 9.7 NO CLEN10135 A1 ZCO12126 Cleanout 650.4 662.7 12.3 651.8 0.0 20.5 NO 652.4 0.0 33.8 NO 662.7 0.0 58.4 NO 662.7 0.0 60.9 NO CBIN10221 A1 CI1240 Curb Inlet 651.3 659.5 8.2 651.3 0.0 0.0 NO 651.3 0.0 0.0 NO 651.3 0.0 0.0 NO 651.3 0.0 0.0 NO CLEN10136 A1 ZCO10641 Cleanout 647.2 659.2 12.0 648.5 5.6 32.2 NO 649.0 9.4 52.8 NO 649.6 14.2 80.9 NO 650.1 16.1 92.6 NO CBIN10222 A1 CI1239 Curb Inlet 646.4 659.1 12.6 647.6 5.0 36.7 NO 648.0 8.5 60.3 NO 648.7 12.7 90.8 NO 649.0 14.4 101.9 NO CLEN10137 A1 ZCO12673 Cleanout 650.3 660.9 10.6 651.0 0.0 6.6 NO 651.1 0.0 10.7 NO 651.4 0.0 15.8 NO 651.5 0.0 17.9 NO CLEN10138 A1 ZCO12674 Cleanout 643.1 654.7 11.7 644.9 0.0 36.7 NO 645.6 0.0 60.4 NO 650.2 0.0 91.1 NO 647.8 0.0 102.5 NO CLEN10139 A1 ZCO11763 Cleanout 649.0 661.5 12.5 650.5 0.0 20.6 NO 651.1 0.0 33.9 NO 661.5 0.0 55.9 NO 661.5 0.0 60.1 NO INLT10074 A1 ZINL11314 Inlet 575.7 581.6 5.9 575.7 0.0 0.0 NO 577.2 0.0 0.9 NO 583.1 0.0 16.1 YES 584.4 0.0 10.6 YES OTHR10071 A1 ZOTHER10447Other 571.2 583.3 12.1 574.1 0.0 77.2 NO 576.5 0.0 110.3 NO 583.4 0.0 173.5 NO 583.5 0.0 180.3 NO INLT10075 A1 INL11316 Inlet 725.9 729.9 4.0 727.2 26.7 26.7 NO 727.8 54.3 54.3 NO 728.4 84.6 84.6 NO 728.7 97.7 97.7 NO CBIN10223 A1 CI10821 Curb Inlet 725.5 733.9 8.4 726.8 0.0 26.8 NO 727.4 0.0 54.4 NO 728.0 0.0 84.4 NO 728.3 0.0 96.8 NO OTLT10006 A1 OUT10281 Outlet 724.4 728.4 4.0 725.8 0.0 27.0 NO 726.3 0.0 54.7 NO 726.6 0.0 84.3 NO 726.7 0.0 96.7 NO CBIN10224 A1 ZCI10391 Curb Inlet 672.4 678.4 6.0 673.0 8.2 8.2 NO 676.2 16.8 16.8 NO 676.5 26.1 26.1 NO 678.5 30.6 30.6 NO CBIN10225 A1 ZCI10392 Curb Inlet 678.0 684.5 6.5 678.6 2.6 2.6 NO 678.7 4.4 4.4 NO 678.9 6.8 6.8 NO 679.0 7.8 7.8 NO CLEN10140 A1 ZCO13029 Cleanout 675.3 684.0 8.7 676.7 0.0 30.5 NO 677.3 0.0 61.2 NO 678.0 0.0 100.8 NO 678.9 0.0 117.6 NO CBIN10226 A1 ZCI10393 Curb Inlet 680.5 684.5 4.0 680.7 1.4 1.4 NO 680.7 2.7 2.7 NO 680.8 4.2 4.2 NO 680.8 4.8 4.8 NO CLEN10141 A1 ZCO13030 Cleanout 671.0 678.4 7.4 672.9 3.0 39.1 NO 673.9 5.7 80.1 NO 676.1 8.7 129.4 NO 678.4 10.0 152.3 NO CBIN10227 A1 CI10396 Curb Inlet 670.6 678.7 8.2 672.6 8.6 46.3 NO 673.8 16.4 94.2 NO 675.9 25.8 151.3 NO 678.8 29.6 195.8 NO CLEN10142 A1 ZCO12858 Cleanout 678.7 688.0 9.3 680.0 6.6 27.1 NO 680.5 11.4 55.0 NO 681.1 17.2 91.3 NO 681.4 19.6 105.4 NO CBIN10228 A1 ZCI10398 Curb Inlet 686.6 693.7 7.1 687.0 3.9 3.9 NO 687.1 7.6 7.6 NO 687.3 12.0 12.0 NO 687.3 13.9 13.9 NO CBIN10229 A1 ZCI10399 Curb Inlet 686.6 693.4 6.7 686.9 1.3 1.3 NO 686.9 2.5 2.5 NO 687.0 3.8 3.8 NO 687.0 4.4 4.4 NO CLEN10143 A1 ZCO13032 Cleanout 683.6 693.5 9.9 684.6 0.0 21.5 NO 685.1 0.0 44.9 NO 685.6 0.0 76.1 NO 685.8 0.0 87.0 NO CLEN10144 A1 ZCO12140 Cleanout 682.2 692.8 10.6 683.3 0.0 21.5 NO 683.8 0.0 44.9 NO 684.4 0.0 76.2 NO 684.6 0.0 87.4 NO CBIN10230 A1 CI0869 Curb Inlet 697.3 705.0 7.7 698.3 2.0 20.3 NO 698.6 3.0 34.1 NO 705.7 4.4 49.0 NO 707.4 4.9 49.2 YES CLEN10145 A1 ZCO10666 Cleanout 700.0 709.8 9.8 701.1 0.0 18.4 NO 701.8 0.0 31.4 NO 710.4 0.0 49.5 NO 712.3 0.0 48.1 YES CBIN10231 A1 CI10400 Curb Inlet 705.3 710.6 5.3 705.5 1.6 1.6 NO 705.6 2.7 2.7 NO 710.7 4.0 5.6 NO 712.4 4.5 6.9 YES CLEN10146 A1 ZCO10667 Cleanout 684.5 691.3 6.8 685.5 0.0 20.2 NO 685.9 0.0 34.0 NO 691.9 0.0 45.4 NO 693.5 0.0 45.8 YES CBIN10232 A1 CI0870 Curb Inlet 673.7 682.1 8.4 674.0 0.0 0.1 NO 675.1 0.0 0.6 NO 682.1 0.0 3.1 NO 680.7 0.0 3.6 NO INLT10076 A1 INL029 Inlet 674.1 681.3 7.1 674.1 0.0 0.0 NO 675.1 0.0 0.1 NO 681.3 0.0 1.7 NO 680.8 0.0 0.9 NO CBIN10233 A1 CI1718 Curb Inlet 672.3 683.1 10.8 674.3 0.0 53.9 NO 675.3 0.0 102.7 NO 676.3 0.0 155.1 NO 678.3 0.0 181.0 NO INLT10077 A1 INL030 Inlet 674.6 678.6 4.0 675.4 35.8 53.8 NO 675.9 73.9 102.7 NO 676.7 119.1 155.2 NO 678.4 138.0 177.4 NO INLT10078 A1 INL031 Inlet 693.2 697.2 4.0 694.0 0.0 16.8 NO 694.3 0.0 35.9 NO 694.6 0.0 61.6 NO 694.7 0.0 69.4 NO CLEN10147 A1 ZCO11766 Cleanout 668.7 676.6 7.9 670.7 0.0 46.4 NO 671.8 0.0 94.5 NO 673.1 0.0 151.3 NO 674.6 0.0 174.8 NO

APPENDIX E
EXISTING JUNCTIONS: SUMMARY TABLE
City of San Marcos Drainage Master Plan 12 of 132 April 2019 Facility ID Sub
Watershed
Original
Facility ID Type
Invert
Elevation
(feet)
Rim
Elevation
(feet)
Depth
(feet)
Max.

HGL
(2-year)
(feet)
Max.

Lateral
Inflow
(2-year)
(cfs)
Max.

Total
Inflow
(2-year)
(cfs)
Surcharging
(2-year)
Max. HGL
(10-year)
(feet)
Max.

Lateral
Inflow
(10-year)
(cfs)
Max.

Total
Inflow
(10-year)
(cfs)
Surcharging
(10-year)
Max. HGL
(50-year)
(feet)
Max.

Lateral
Inflow
(50-year)
(cfs)
Max. Total
Inflow
(50-year)
(cfs)
Surcharging
(50-year)
Max. HGL
(100-year)
(feet)
Max.

Lateral
Inflow
(100-year)
(cfs)
Max. Total
Inflow
(100-year)
(cfs)
Surcharging
(100-year)
Existing Condition Junctions Summary table
Dimensions 2-year 10-year 50-year 100-year
CLEN10148 A1 ZCO11869 Cleanout 623.7 640.9 17.3 626.5 2.0 59.4 NO 641.0 3.8 101.0 NO 641.1 5.8 162.5 NO 641.2 6.7 179.7 NO OTHR10072 A1 ZOTHER10508Other 612.3 623.7 11.4 616.2 0.0 236.6 NO 623.7 0.0 386.4 NO 624.4 0.0 424.5 NO 626.4 0.0 421.3 YES INLT10079 A1 INL010 Inlet 670.3 674.3 4.0 670.5 1.7 1.7 NO 670.6 3.1 3.1 NO 670.6 4.7 4.7 NO 670.6 5.4 5.4 NO INLT10080 A1 ZINL12164 Inlet 601.7 605.8 4.1 604.5 0.0 50.9 NO 605.8 0.0 100.0 NO 606.2 0.0 163.0 NO 606.6 0.0 163.2 NO CBIN10234 A1 CI1415 Curb Inlet 614.2 618.9 4.7 616.0 1.2 6.2 NO 619.3 1.9 20.4 NO 623.9 2.7 25.2 YES 625.8 3.1 27.4 YES CBIN10235 A1 CI10502 Curb Inlet 630.1 634.4 4.3 630.4 0.0 2.7 NO 630.5 0.0 4.4 NO 630.5 0.0 6.4 NO 630.6 0.0 7.2 NO CBIN10236 A1 CI0443 Curb Inlet 689.9 698.1 8.2 690.3 2.3 2.3 NO 690.4 4.1 4.1 NO 698.3 6.2 9.1 NO 702.7 7.0 7.6 YES CBIN10237 A1 CI0442 Curb Inlet 687.4 697.9 10.6 688.7 6.7 33.8 NO 689.6 12.4 75.6 NO 698.1 19.5 134.3 NO 702.6 22.5 132.5 YES CLEN10149 A1 ZCO11087 Cleanout 691.9 702.0 10.0 692.9 7.0 25.0 NO 693.5 16.8 59.5 NO 702.1 27.4 99.7 NO 706.8 31.9 108.4 YES INLT10081 A1 INL118 Inlet 703.3 708.3 5.0 703.9 18.4 18.4 NO 704.2 42.7 42.7 NO 704.8 67.3 67.3 NO 708.4 77.8 77.8 NO OTLT10007 A1 ZOUT10050 Outlet 657.9 661.9 4.0 657.9 0.0 0.0 NO 657.9 0.0 0.0 NO 657.9 0.0 0.0 NO 657.9 0.0 0.0 NO INLT10082 A1 ZINL11890 Inlet 657.7 661.7 4.0 657.7 0.0 0.0 NO 657.7 0.0 0.0 NO 657.8 0.0 0.3 NO 657.8 0.0 0.3 NO OTHR10073 A1 ZOTHER10682Other 659.3 663.3 4.0 659.3 0.0 0.0 NO 659.3 0.0 0.0 NO 659.3 0.0 0.0 NO 659.3 0.0 0.0 NO CLEN10150 A1 ZCO12197 Cleanout 676.7 683.5 6.8 677.7 0.0 26.1 NO 678.1 0.0 43.6 NO 678.6 0.0 65.2 NO 683.6 0.0 72.0 NO CLEN10151 A1 ZCO10788 Cleanout 682.2 688.7 6.4 683.0 0.0 11.6 NO 683.2 0.0 19.5 NO 683.5 0.0 29.2 NO 688.7 0.0 33.2 NO CLEN10152 A1 ZCO10789 Cleanout 700.5 706.2 5.7 700.9 0.0 3.9 NO 701.1 0.0 6.4 NO 701.2 0.0 9.5 NO 701.2 0.0 10.8 NO CBIN10238 A1 CI0199 Curb Inlet 670.2 677.0 6.8 670.5 1.3 1.3 NO 670.8 2.1 2.1 NO 672.2 3.0 3.0 NO 677.1 3.4 3.4 NO CBIN10239 A1 CI0198 Curb Inlet 670.7 677.2 6.6 671.0 1.4 1.4 NO 671.1 2.2 2.2 NO 675.4 3.1 3.1 NO 677.3 3.5 3.5 NO CBIN10240 A1 CI0202 Curb Inlet 684.7 689.0 4.3 685.0 5.7 5.7 NO 685.2 9.9 9.9 NO 685.3 14.9 14.9 NO 685.6 17.0 17.0 NO CBIN10241 A1 CI0201 Curb Inlet 683.5 690.2 6.7 683.9 2.2 2.2 NO 684.0 3.5 3.5 NO 684.1 5.1 5.1 NO 684.8 5.7 5.7 NO CBIN10242 A1 CI0200 Curb Inlet 701.5 708.3 6.8 702.0 2.8 3.9 NO 702.2 4.4 6.4 NO 702.4 6.4 9.6 NO 702.4 7.2 10.9 NO INLT10083 A1 ZINL12198 Inlet 709.7 717.5 7.8 709.9 1.1 1.1 NO 710.0 2.0 2.0 NO 710.1 3.2 3.2 NO 710.1 3.7 3.7 NO CLEN10153 A1 ZCO12757 Cleanout 677.1 683.9 6.9 678.5 0.0 14.6 NO 679.0 0.0 24.1 NO 679.8 0.0 36.2 NO 683.9 0.0 40.8 NO CBIN10243 A1 CI0916 Curb Inlet 680.2 687.5 7.3 680.7 0.0 5.7 NO 680.9 0.0 9.2 NO 681.0 0.0 13.8 NO 681.8 0.0 15.6 NO CBIN10244 A1 CI0913 Curb Inlet 680.7 687.6 6.9 681.6 5.0 5.0 NO 681.8 8.0 8.0 NO 682.1 11.8 11.8 NO 682.2 13.4 13.4 NO CBIN10245 A1 CI0912 Curb Inlet 677.6 684.4 6.8 678.8 9.0 9.0 NO 679.2 15.1 15.1 NO 680.3 22.7 22.7 NO 684.4 25.8 25.8 NO INLT10084 A1 ZINL11092 Inlet 686.2 691.5 5.3 686.4 0.7 0.7 NO 686.4 1.3 1.3 NO 686.5 2.0 2.0 NO 686.5 2.2 2.2 NO SEPR10005 A1 SEP002 Separator 665.4 677.6 12.2 667.8 3.3 127.5 NO 668.8 5.2 227.6 NO 670.1 7.6 331.2 NO 670.5 8.5 353.3 NO CLEN10154 A1 ZCO12786 Cleanout 664.3 675.9 11.6 666.8 0.0 128.0 NO 667.8 0.0 228.2 NO 669.0 0.0 330.2 NO 669.4 0.0 353.7 NO OTLT10008 A1 ZOUT10268 Outlet 663.1 667.1 4.0 665.0 0.0 127.6 NO 665.6 0.0 227.6 NO 666.1 0.0 329.6 NO 666.2 0.0 361.9 NO CBIN10246 A1 CI10519 Curb Inlet 567.4 573.8 6.4 567.8 3.6 3.6 NO 568.0 5.6 5.6 NO 568.1 8.2 8.2 NO 568.2 9.3 9.3 NO OTHR10074 A1 ZOTHER10721Other 570.6 575.4 4.8 570.6 0.0 0.0 NO 570.6 0.0 0.0 NO 570.6 0.0 0.0 NO 570.6 0.0 0.0 NO CBIN10247 A1 CI10530 Curb Inlet 575.7 579.8 4.0 575.7 0.0 0.0 NO 577.3 0.0 4.6 NO 583.1 0.0 13.3 YES 584.4 0.0 14.8 YES CBIN10248 A1 ZCI10538 Curb Inlet 604.9 613.2 8.3 605.6 0.0 1.6 NO 613.2 0.0 8.1 NO 613.9 0.0 21.7 NO 615.1 0.0 19.6 YES CBIN10249 A1 ZCI10539 Curb Inlet 606.4 612.8 6.4 606.4 0.0 0.0 NO 612.9 0.0 10.4 NO 613.9 0.0 18.3 YES 615.3 0.0 17.0 YES OTHR10075 A1 ZOTHER10777Other 600.9 617.8 16.9 605.4 0.0 272.0 NO 617.8 0.0 428.5 NO 617.9 0.0 506.2 NO 618.1 0.0 536.4 NO INLT10085 A1 ZINL10005 Inlet 604.8 610.8 6.0 605.4 0.0 7.3 NO 605.8 0.0 12.6 NO 610.8 0.0 19.9 NO 610.8 0.0 22.0 NO CBIN10250 A1 CI0167 Curb Inlet 611.4 618.1 6.7 612.0 7.3 7.3 NO 612.3 12.7 12.7 NO 618.1 19.0 19.0 NO 618.2 21.7 21.7 NO CLEN10155 A1 ZCO10806 Cleanout 567.2 573.7 6.5 568.1 0.0 13.4 NO 568.4 0.0 21.3 NO 568.8 0.0 31.4 NO 569.0 0.0 35.3 NO CBIN10251 A1 CI1280 Curb Inlet 566.2 572.4 6.2 567.3 3.8 16.9 NO 567.7 6.0 27.0 NO 568.1 8.8 39.5 NO 568.4 10.0 44.0 NO CBIN10252 A1 CI1557 Curb Inlet 568.4 572.4 4.0 569.0 6.0 6.0 NO 569.2 9.5 9.5 NO 569.6 14.0 14.0 NO 572.4 15.8 15.8 NO OTHR10076 A1 ZOTHER10781Other 573.3 578.6 5.2 573.9 0.0 7.6 NO 574.1 0.0 12.2 NO 574.2 0.0 17.9 NO 574.3 0.0 20.2 NO INLT10086 A1 ZINL12216 Inlet 577.3 583.3 5.9 579.4 0.0 17.4 NO 584.0 0.0 20.4 NO 588.5 0.0 25.6 YES 590.9 0.0 27.9 YES INLT10087 A1 ZINL12217 Inlet 581.2 585.8 4.6 585.8 2.4 19.4 NO 591.4 3.6 23.2 YES 599.6 5.1 32.0 YES 603.9 5.8 35.9 YES INLT10088 A1 ZINL10807 Inlet 584.2 588.2 4.0 584.7 2.1 2.1 NO 591.5 3.4 3.4 YES 599.7 4.9 4.9 YES 603.9 5.5 5.5 YES CBIN10253 A1 CI0854 Curb Inlet 570.1 576.0 5.8 570.5 2.1 2.1 NO 571.0 3.2 3.2 NO 576.0 4.7 4.7 NO 576.0 5.3 5.3 NO CBIN10254 A1 CI1600 Curb Inlet 567.4 576.4 9.1 570.3 0.0 89.4 NO 571.0 0.0 125.8 NO 575.1 0.0 172.5 NO 576.4 0.0 180.6 NO CLEN10156 A1 ZCO12218 Cleanout 567.0 577.2 10.2 568.8 2.1 90.8 NO 569.3 3.3 127.6 NO 569.8 4.8 176.6 NO 570.0 5.4 184.6 NO CBIN10255 A1 CI1234 Curb Inlet 740.7 747.5 6.8 741.3 5.8 5.8 NO 741.8 14.3 14.3 NO 747.5 23.4 23.4 NO 747.5 27.2 27.2 NO

APPENDIX E
EXISTING JUNCTIONS: SUMMARY TABLE
City of San Marcos Drainage Master Plan 13 of 132 April 2019 Facility ID Sub
Watershed
Original
Facility ID Type
Invert
Elevation
(feet)
Rim
Elevation
(feet)
Depth
(feet)
Max.

HGL
(2-year)
(feet)
Max.

Lateral
Inflow
(2-year)
(cfs)
Max.

Total
Inflow
(2-year)
(cfs)
Surcharging
(2-year)
Max. HGL
(10-year)
(feet)
Max.

Lateral
Inflow
(10-year)
(cfs)
Max.

Total
Inflow
(10-year)
(cfs)
Surcharging
(10-year)
Max. HGL
(50-year)
(feet)
Max.

Lateral
Inflow
(50-year)
(cfs)
Max. Total
Inflow
(50-year)
(cfs)
Surcharging
(50-year)
Max. HGL
(100-year)
(feet)
Max.

Lateral
Inflow
(100-year)
(cfs)
Max. Total
Inflow
(100-year)
(cfs)
Surcharging
(100-year)
Existing Condition Junctions Summary table
Dimensions 2-year 10-year 50-year 100-year
CBIN10256 A1 CI1235 Curb Inlet 740.9 747.1 6.2 741.2 2.6 2.6 NO 741.3 4.8 4.8 NO 741.8 7.3 7.3 NO 747.1 8.3 8.3 NO CLEN10157 A1 ZCO10808 Cleanout 740.1 747.0 6.9 740.6 0.0 8.3 NO 740.9 0.0 19.0 NO 741.8 0.0 30.5 NO 747.0 0.0 39.3 NO CBIN10257 A1 CI0851 Curb Inlet 572.3 582.8 10.5 572.8 4.9 4.9 NO 575.3 8.4 8.4 NO 582.9 12.8 12.8 NO 582.9 14.6 14.6 NO OTHR10077 A1 ZOTHER10798Other 569.5 582.9 13.4 572.5 0.8 82.3 NO 574.0 1.2 116.6 NO 582.9 1.8 162.0 NO 582.9 2.0 166.7 NO INLT10089 A1 INL035 Inlet 707.0 711.0 4.0 708.0 3.6 3.6 NO 712.0 11.0 11.0 NO 721.5 22.3 22.3 YES 727.6 27.3 27.3 YES INLT10090 A1 ZINL11401 Inlet 706.0 710.0 4.0 706.5 0.3 3.8 NO 706.9 0.9 10.6 NO 707.2 1.8 18.6 NO 707.4 2.2 22.6 NO CLEN10158 A1 ZCO10851 Cleanout 705.0 711.6 6.7 706.2 3.4 12.0 NO 707.2 8.8 25.2 NO 709.9 16.3 40.7 NO 711.6 19.5 46.8 NO INLT10091 A1 INL11402 Inlet 706.5 712.0 5.5 706.5 0.0 0.0 NO 707.2 0.0 0.3 NO 712.0 0.0 1.5 NO 712.0 0.0 1.1 NO CLEN10159 A1 ZCO11403 Cleanout 706.3 713.7 7.4 707.5 0.0 9.3 NO 708.2 0.0 17.8 NO 713.8 0.0 29.4 NO 713.8 0.0 34.8 NO CLEN10160 A1 ZCO11404 Cleanout 706.9 713.5 6.6 707.9 0.0 9.3 NO 708.5 0.0 18.0 NO 713.5 0.0 28.4 NO 713.5 0.0 33.4 NO OTHR10078 A1 ZOTHER10808Other 708.0 713.9 6.0 708.9 0.0 9.4 NO 709.3 0.0 18.1 NO 714.0 0.0 27.2 NO 714.0 0.0 32.0 NO CLEN10161 A1 ZCO11176 Cleanout 709.5 716.2 6.7 710.4 0.0 9.3 NO 710.8 0.0 18.0 NO 711.6 0.0 27.7 NO 716.2 0.0 31.6 NO CLEN10162 A1 ZCO11177 Cleanout 711.4 721.8 10.4 712.3 0.0 9.4 NO 712.8 0.0 18.2 NO 714.4 0.0 29.4 NO 721.8 0.0 33.8 NO INLT10092 A1 INL10030 Inlet 718.3 722.3 4.0 718.8 1.9 7.1 NO 719.0 3.6 14.0 NO 719.2 5.8 23.1 NO 719.5 6.7 26.8 NO CLEN10163 A1 ZCO10031 Cleanout 718.0 722.1 4.1 718.3 2.3 2.3 NO 718.5 4.3 4.3 NO 718.6 6.5 6.5 NO 718.6 7.4 7.4 NO INLT10093 A1 INL10032 Inlet 705.5 711.2 5.8 706.2 0.0 0.2 NO 707.2 0.0 0.7 NO 709.3 0.0 1.5 NO 711.2 0.0 1.2 NO OTLT10009 A1 OUT10282 Outlet 712.7 717.6 4.8 714.5 4.6 57.7 NO 715.0 8.7 122.4 NO 715.5 14.1 208.9 NO 715.6 16.3 243.7 NO OTHR10079 A1 ZOTHER10817Other 713.6 720.0 6.4 715.3 0.8 55.5 NO 716.4 1.6 118.2 NO 717.6 2.7 195.4 NO 720.1 3.1 239.3 NO CBIN10258 A1 CI1018 Curb Inlet 577.2 583.2 6.0 586.5 30.0 30.0 YES 597.4 54.1 54.1 YES 617.8 81.5 81.5 YES 628.9 94.4 94.4 YES OTHR10080 A1 ZOTHER10818Other 573.2 582.4 9.2 575.2 0.0 38.0 NO 577.5 0.0 60.6 NO 583.7 0.0 82.6 YES 585.0 0.0 87.2 YES INLT10094 A1 ZINL10062 Inlet 714.2 719.6 5.4 715.7 0.0 0.0 NO 716.7 0.0 0.0 NO 719.4 0.0 1.4 NO 719.8 0.0 19.3 NO INLT10095 A1 ZINL12923 Inlet 714.9 720.0 5.1 715.3 0.0 0.0 NO 716.4 0.0 0.0 NO 717.6 0.0 0.0 NO 720.0 0.0 4.4 NO OTHR10081 A1 ZOTHER10819Other 714.1 720.1 6.1 715.7 55.0 55.0 NO 716.7 117.3 117.3 NO 719.3 192.7 192.8 NO 720.1 226.2 237.9 NO CLEN10164 A1 ZCO12242 Cleanout 574.3 581.3 7.1 574.9 3.8 3.8 NO 579.2 6.1 6.1 NO 583.0 9.0 18.6 YES 584.3 10.2 19.8 YES CLEN10165 A1 ZCO10068 Cleanout 673.0 693.6 20.6 673.5 5.1 13.4 NO 673.6 8.9 23.4 NO 673.7 13.4 35.7 NO 673.8 15.3 41.4 NO CLEN10166 A1 ZCO10894 Cleanout 649.8 661.3 11.5 650.7 0.0 13.4 NO 651.1 0.0 23.4 NO 651.6 0.0 35.2 NO 651.8 0.0 40.4 NO OTHR10082 A1 ZOTHER10824Other 616.8 629.3 12.6 619.8 1.2 235.8 NO 629.4 1.9 381.9 NO 629.8 2.7 409.8 NO 631.9 3.1 417.5 YES INLT10096 A1 ZINL10895 Inlet 616.2 621.4 5.2 616.9 2.2 4.9 NO 618.5 3.5 8.5 NO 623.0 5.1 11.5 YES 624.3 5.7 12.9 YES INLT10097 A1 ZINL10896 Inlet 615.5 620.1 4.6 616.3 0.8 5.5 NO 618.3 1.4 15.1 NO 622.9 2.0 23.4 YES 624.3 2.3 24.9 YES OTHR10083 A1 ZOTHER10825Other 630.7 636.8 6.1 631.2 2.7 2.7 NO 631.3 4.4 4.4 NO 631.4 6.4 6.4 NO 631.5 7.2 7.2 NO CLEN10167 A1 ZCO10069 Cleanout 698.0 702.0 4.0 721.3 63.6 63.6 YES 794.7 122.7 122.7 YES 903.6 190.2 190.2 YES 945.1 222.1 222.1 YES CLEN10168 A1 ZCO11820 Cleanout 692.9 700.1 7.3 695.8 0.0 74.1 NO 706.2 0.0 140.3 YES 724.2 0.0 211.5 YES 735.9 0.0 247.3 YES CBIN10259 A1 CI1418 Curb Inlet 596.5 602.5 6.0 597.1 2.5 2.5 NO 602.5 4.2 4.2 NO 603.7 6.3 6.3 YES 605.6 7.2 7.3 YES INLT10098 A1 ZINL12252 Inlet 701.7 705.7 4.0 713.0 25.3 67.2 YES 718.4 51.2 69.8 YES 723.6 83.4 83.4 YES 725.8 98.1 98.1 YES OTLT10010 A1 ZOUT10086 Outlet 701.5 705.5 4.0 702.6 0.0 38.2 NO 702.7 0.0 47.5 NO 702.8 0.0 54.9 NO 702.8 0.0 57.8 NO INLT10099 A1 ZINL10086 Inlet 721.2 725.2 4.0 721.8 5.2 5.2 NO 722.1 10.4 10.4 NO 722.4 17.3 17.3 NO 722.5 20.1 20.1 NO INLT10100 A1 INL10087 Inlet 721.0 725.0 4.0 721.0 0.0 0.0 NO 721.0 0.0 0.0 NO 721.0 0.0 0.0 NO 721.0 0.0 0.0 NO INLT10101 A1 ZINL12877 Inlet 597.2 601.2 4.0 600.2 6.6 55.0 NO 601.3 10.3 113.2 NO 603.7 15.1 173.8 YES 604.4 17.0 170.3 YES CLEN10169 A1 ZCO10097 Cleanout 629.4 641.8 12.3 630.1 0.0 7.1 NO 630.4 0.0 11.5 NO 630.7 0.0 16.8 NO 641.8 0.0 19.5 NO CLEN10170 A1 ZCO10098 Cleanout 652.1 656.1 4.1 652.5 0.0 7.1 NO 652.7 0.0 11.5 NO 652.8 0.0 16.8 NO 652.9 0.0 19.6 NO CLEN10171 A1 ZCO12259 Cleanout 666.7 676.7 10.1 667.1 0.0 7.1 NO 667.3 0.0 11.5 NO 667.4 0.0 17.9 NO 667.5 0.0 19.7 NO INLT10102 A1 ZINL12891 Inlet 720.8 724.8 4.0 727.3 0.0 54.7 YES 734.1 0.0 79.5 YES 741.8 0.0 105.2 YES 746.4 0.0 112.8 YES INLT10103 A1 ZINL11426 Inlet 710.3 714.3 4.0 719.9 1.3 65.4 YES 723.3 2.7 68.6 YES 729.5 4.3 65.6 YES 732.6 5.0 66.5 YES OTLT10011 A1 ZOUT10065 Outlet 709.5 713.5 4.0 713.0 1.0 65.2 NO 718.4 2.0 62.6 YES 723.6 3.1 62.8 YES 725.8 3.6 66.8 YES OTLT10012 A1 ZOUT10066 Outlet 719.8 723.8 4.0 720.8 0.0 53.8 NO 723.3 0.0 80.9 NO 729.5 0.0 101.0 YES 732.6 0.0 106.9 YES OTHR10084 A1 ZOTHER10851Other 618.3 633.8 15.5 619.5 9.7 67.3 NO 619.9 16.2 112.4 NO 620.4 24.3 161.9 NO 622.0 27.7 194.4 NO CLEN10172 A1 ZCO11892 Cleanout 614.3 623.6 9.3 616.1 0.0 67.4 NO 616.7 0.0 112.6 NO 617.5 0.0 162.6 NO 623.6 0.0 192.1 NO OTHR10085 A1 ZOTHER10852Other 613.2 620.2 6.9 615.0 0.0 67.5 NO 615.7 0.0 112.8 NO 616.5 0.0 162.7 NO 620.2 0.0 192.2 NO CBIN10260 A1 CI10647 Curb Inlet 669.7 677.2 7.5 670.4 7.2 7.2 NO 670.7 11.6 11.6 NO 677.2 17.4 19.2 NO 677.2 19.7 19.7 NO

APPENDIX E
EXISTING JUNCTIONS: SUMMARY TABLE
City of San Marcos Drainage Master Plan 14 of 132 April 2019 Facility ID Sub
Watershed
Original
Facility ID Type
Invert
Elevation
(feet)
Rim
Elevation
(feet)
Depth
(feet)
Max.

HGL
(2-year)
(feet)
Max.

Lateral
Inflow
(2-year)
(cfs)
Max.

Total
Inflow
(2-year)
(cfs)
Surcharging
(2-year)
Max. HGL
(10-year)
(feet)
Max.

Lateral
Inflow
(10-year)
(cfs)
Max.

Total
Inflow
(10-year)
(cfs)
Surcharging
(10-year)
Max. HGL
(50-year)
(feet)
Max.

Lateral
Inflow
(50-year)
(cfs)
Max. Total
Inflow
(50-year)
(cfs)
Surcharging
(50-year)
Max. HGL
(100-year)
(feet)
Max.

Lateral
Inflow
(100-year)
(cfs)
Max. Total
Inflow
(100-year)
(cfs)
Surcharging
(100-year)
Existing Condition Junctions Summary table
Dimensions 2-year 10-year 50-year 100-year
CBIN10261 A1 CI10648 Curb Inlet 670.3 677.4 7.2 670.4 0.0 0.0 NO 670.7 0.0 0.1 NO 677.5 0.0 2.3 NO 677.5 0.0 1.7 NO OTHR10086 A1 ZOTHER11102Other 635.4 639.4 4.0 635.4 0.0 0.0 NO 635.8 0.0 0.1 NO 636.2 0.0 0.3 NO 636.3 0.0 0.2 NO OTLT10013 A1 OUT073 Outlet 674.9 678.9 4.0 675.3 3.5 35.3 NO 675.4 6.2 64.9 NO 675.4 9.5 100.0 NO 675.5 10.8 115.0 NO INLT10104 A1 INL13144 Inlet 664.2 668.2 4.0 665.7 109.1 109.1 NO 666.5 227.3 227.3 NO 667.4 363.8 363.8 NO 668.3 430.6 430.6 NO OTHR10087 A1 ZOTHER11257Other 662.5 673.1 10.5 664.2 0.0 111.7 NO 665.0 0.0 231.9 NO 666.0 0.0 423.4 NO 673.1 0.0 524.7 NO OTHR10088 A1 ZOTHER11278Other 709.2 713.2 4.0 709.8 5.6 5.6 NO 710.1 10.9 10.9 NO 710.3 17.9 17.9 NO 710.4 20.8 20.8 NO OTHR10089 A1 ZOTHER11279Other 693.4 697.4 4.0 694.3 8.6 16.8 NO 694.7 17.5 35.9 NO 695.0 28.8 61.9 NO 695.1 33.4 69.5 NO OTHR10090 A1 ZOTHER11280Other 714.5 718.5 4.0 715.2 7.3 7.3 NO 715.3 13.2 13.2 NO 715.4 20.6 20.6 NO 715.4 23.7 23.7 NO OTHR10091 A1 ZOTHER11281Other 739.4 743.4 4.0 739.4 0.0 0.0 NO 739.4 0.0 0.0 NO 739.4 0.0 0.0 NO 739.4 0.0 0.0 NO OTLT10014 A1 OUT011 Outlet 732.0 736.0 4.0 733.7 60.9 60.9 NO 734.1 117.6 117.6 NO 741.8 182.8 182.8 YES 746.4 215.5 215.5 YES OTHR10092 A1 ZOTHER11284Other 755.7 759.7 4.0 755.7 0.0 0.0 NO 755.7 0.0 0.0 NO 755.7 0.0 0.0 NO 755.7 0.0 0.0 NO INLT10105 A1 INL006 Inlet 586.3 592.3 6.0 586.3 0.0 0.0 NO 587.1 0.0 0.3 NO 587.4 0.0 0.8 NO 590.1 0.0 2.3 NO OTHR10093 A1 ZOTHER11303Other 581.0 590.3 9.2 585.5 3.3 351.0 NO 587.1 5.3 520.3 NO 587.4 7.9 564.9 NO 587.6 8.9 596.9 NO OTHR10094 A1 ZOTHER11321Other 596.2 600.2 4.0 599.4 0.0 60.2 NO 601.1 0.0 118.3 NO 603.2 0.0 170.2 YES 603.8 0.0 179.6 YES OTHR10095 A1 ZOTHER11345Other 580.7 590.1 9.5 585.1 5.1 355.3 NO 586.7 8.4 526.7 NO 586.9 12.4 575.4 NO 587.1 14.1 610.1 NO INLT10106 A1 INL128 Inlet 695.4 699.7 4.3 695.8 1.1 1.1 NO 706.2 1.8 2.9 YES 724.2 2.6 3.6 YES 735.9 3.0 4.2 YES INLT10107 A1 INL13145 Inlet 693.2 699.0 5.8 695.8 17.4 17.4 NO 706.2 34.8 34.8 YES 724.2 59.2 59.2 YES 735.9 70.0 70.0 YES CLEN10173 A1 CO12266 Cleanout 723.3 729.0 5.7 723.9 0.0 9.6 NO 724.1 0.0 17.4 NO 724.4 0.0 28.0 NO 724.5 0.0 33.2 NO CBIN10262 A1 CI1542 Curb Inlet 579.3 585.3 6.0 585.3 0.8 11.2 NO 588.8 1.2 9.7 YES 601.1 1.8 11.5 YES 607.8 2.0 9.9 YES CBIN10263 A1 CI1417 Curb Inlet 596.3 601.6 5.3 596.9 6.3 6.3 NO 597.2 10.3 10.3 NO 601.9 15.4 15.4 NO 603.7 17.4 17.4 YES CLEN10174 A1 ZCO11833 Cleanout 596.0 601.8 5.8 596.6 0.0 6.3 NO 597.2 0.0 10.3 NO 601.9 0.0 21.6 NO 603.7 0.0 18.9 YES CBIN10264 A1 CI1022 Curb Inlet 576.8 582.9 6.1 585.8 2.3 32.0 YES 595.4 3.7 53.9 YES 613.8 5.6 78.7 YES 623.8 6.4 90.3 YES INLT10108 A1 ZINL12276 Inlet 707.3 711.3 4.0 711.5 53.1 53.1 NO 716.4 100.4 100.4 YES 716.7 154.8 154.8 YES 716.7 180.9 180.9 YES CLEN10175 A1 ZCO12287 Cleanout 671.1 684.3 13.2 672.0 1.7 12.9 NO 672.4 2.7 20.3 NO 684.3 4.0 27.9 NO 684.3 4.5 29.4 NO CLEN10176 A1 ZCO12288 Cleanout 671.2 682.0 10.8 672.2 0.0 48.2 NO 672.5 0.0 81.0 NO 672.9 0.0 126.5 NO 673.1 0.0 148.5 NO CLEN10177 A1 CO12289 Cleanout 663.2 679.9 16.7 665.0 0.0 61.0 NO 665.6 0.0 100.8 NO 666.5 0.0 153.6 NO 667.0 0.0 171.4 NO OTHR10096 A1 ZOTHER11420Other 660.8 675.6 14.8 662.2 3.4 64.4 NO 662.6 5.7 105.9 NO 663.3 8.7 158.3 NO 664.3 9.8 179.6 NO OTHR10097 A1 ZOTHER11423Other 672.0 682.8 10.8 674.1 3.3 57.3 NO 675.1 5.4 108.3 NO 676.1 8.0 163.0 NO 678.1 9.0 185.9 NO INLT10109 A1 ZINL12290 Inlet 681.8 685.8 4.0 682.0 2.0 2.0 NO 682.0 3.1 3.1 NO 682.3 4.5 4.5 NO 682.7 5.0 5.0 NO OTHR10098 A1 ZOTHER11424Other 675.9 682.5 6.6 676.9 0.0 21.9 NO 677.3 0.0 36.6 NO 682.5 0.0 48.5 NO 682.7 0.0 49.4 NO CBIN10265 A1 CI1533 Curb Inlet 620.5 628.9 8.3 620.8 2.3 2.3 NO 620.8 3.6 3.6 NO 620.9 5.3 5.3 NO 620.9 5.9 5.9 NO CLEN10178 A1 ZCO12934 Cleanout 602.2 610.8 8.6 603.6 5.1 24.4 NO 604.2 8.0 42.6 NO 610.8 11.6 61.4 NO 610.8 13.0 69.8 NO CLEN10179 A1 ZCO12297 Cleanout 610.2 623.4 13.3 611.3 0.0 19.8 NO 611.8 0.0 35.4 NO 612.1 0.0 49.5 NO 612.3 0.0 55.3 NO CBIN10266 A1 CI1531 Curb Inlet 609.4 621.9 12.6 610.3 0.0 19.8 NO 610.6 0.0 35.4 NO 610.9 0.0 49.5 NO 611.0 0.0 55.3 NO CLEN10180 A1 ZCO12298 Cleanout 600.1 605.7 5.7 601.7 0.0 24.3 NO 602.6 0.0 42.9 NO 605.8 0.0 62.2 NO 605.8 0.0 71.1 NO CLEN10181 A1 ZCO13069 Cleanout 619.6 624.3 4.7 619.6 0.0 0.0 NO 619.6 0.0 0.0 NO 619.6 0.0 0.0 NO 619.6 0.0 0.0 NO CBIN10267 A1 CI1532 Curb Inlet 625.6 637.3 11.7 625.6 0.0 0.0 NO 625.6 0.0 0.0 NO 625.6 0.0 0.0 NO 625.6 0.0 0.0 NO CBIN10268 A1 CI1530 Curb Inlet 624.3 637.0 12.7 624.3 0.0 0.0 NO 624.3 0.0 0.0 NO 624.3 0.0 0.0 NO 624.3 0.0 0.0 NO CLEN10182 A1 CO12299 Cleanout 622.7 631.9 9.2 622.7 0.0 0.0 NO 622.7 0.0 0.0 NO 622.7 0.0 0.0 NO 622.7 0.0 0.0 NO CBIN10269 A1 CI1544 Curb Inlet 677.8 681.8 4.0 677.8 0.0 0.0 NO 677.8 0.0 0.0 NO 677.9 0.0 0.0 NO 678.2 0.0 0.0 NO OTLT10015 A1 ZINL12279 Outlet 676.1 680.1 4.0 676.5 0.0 0.1 NO 677.3 0.0 0.2 NO 677.9 0.0 0.5 NO 678.2 0.0 0.4 NO CLEN10183 A1 ZCO12301 Cleanout 633.0 639.9 6.8 633.7 0.6 13.2 NO 634.0 0.9 25.0 NO 634.2 1.4 35.4 NO 634.3 1.6 39.7 NO CBIN10270 A1 CI10662 Curb Inlet 617.9 626.7 8.8 618.5 5.0 17.7 NO 618.8 7.7 32.0 NO 618.9 11.1 44.8 NO 619.0 12.5 50.1 NO INLT10110 A1 ZINL13070 Inlet 599.6 603.6 4.1 601.6 1.4 25.5 NO 602.4 2.1 44.8 NO 605.0 3.1 71.8 YES 604.9 3.5 74.3 YES CLEN10184 A1 ZCO13147 Cleanout 599.2 604.4 5.1 601.5 0.0 25.4 NO 602.3 0.0 44.9 NO 604.7 0.0 79.1 NO 604.6 0.0 69.4 NO OTHR10099 A1 ZOTHER11430Other 575.3 584.1 8.8 584.1 0.0 42.5 NO 588.8 0.0 51.4 YES 601.1 0.0 72.6 YES 607.8 0.0 82.3 YES OTHR10100 A1 ZOTHER11593Other 621.4 625.4 4.0 621.4 0.0 0.0 NO 621.4 0.0 0.0 NO 622.9 0.0 4.5 NO 624.3 0.0 6.3 NO OTHR10101 A1 ZOTHER11594Other 635.1 639.1 4.0 635.1 0.0 0.0 NO 635.1 0.0 0.0 NO 635.1 0.0 0.0 NO 635.1 0.0 0.0 NO DETB10001 A1 ZBAS014 Detention Basin 651.5 655.5 4.0 653.8 0.0 36.9 NO 656.4 0.0 53.6 NO 658.7 0.0 47.9 YES 659.8 0.0 48.5 YES

APPENDIX E
EXISTING JUNCTIONS: SUMMARY TABLE
City of San Marcos Drainage Master Plan 15 of 132 April 2019 Facility ID Sub
Watershed
Original
Facility ID Type
Invert
Elevation
(feet)
Rim
Elevation
(feet)
Depth
(feet)
Max.

HGL
(2-year)
(feet)
Max.

Lateral
Inflow
(2-year)
(cfs)
Max.

Total
Inflow
(2-year)
(cfs)
Surcharging
(2-year)
Max. HGL
(10-year)
(feet)
Max.

Lateral
Inflow
(10-year)
(cfs)
Max.

Total
Inflow
(10-year)
(cfs)
Surcharging
(10-year)
Max. HGL
(50-year)
(feet)
Max.

Lateral
Inflow
(50-year)
(cfs)
Max. Total
Inflow
(50-year)
(cfs)
Surcharging
(50-year)
Max. HGL
(100-year)
(feet)
Max.

Lateral
Inflow
(100-year)
(cfs)
Max. Total
Inflow
(100-year)
(cfs)
Surcharging
(100-year)
Existing Condition Junctions Summary table
Dimensions 2-year 10-year 50-year 100-year
DETB10002 A1 ZBAS003 Detention Basin 744.7 748.7 4.0 744.7 0.0 26.9 NO 744.7 0.0 47.8 NO 744.7 0.0 72.1 NO 744.7 0.0 82.7 NO OTHR10102 A1 ZOTHER11715Other 704.6 708.6 4.0 708.1 6.4 57.2 NO 709.0 12.3 120.2 NO 709.7 19.0 193.3 YES 710.0 21.8 228.0 YES INLT10111 A1 ZINL13308 Inlet 572.6 576.6 4.0 573.5 6.5 6.5 NO 573.8 10.1 10.1 NO 577.1 14.7 15.1 NO 578.1 16.5 16.5 YES CBOL10001 A1 ZCBO10111 Curb Outlet 569.3 582.6 13.3 572.3 0.3 87.4 NO 573.7 0.4 124.4 NO 582.7 0.6 179.2 NO 582.7 0.7 177.9 NO CBIN10271 A1 CI0865 Curb Inlet 682.0 689.4 7.4 683.2 28.2 28.2 NO 683.5 45.5 45.5 NO 689.4 67.5 67.5 NO 689.6 76.6 76.6 NO CBIN10272 A1 CI10193 Curb Inlet 599.7 605.1 5.4 601.6 5.3 5.3 NO 602.5 9.7 9.7 NO 605.1 15.5 15.5 NO 605.1 17.9 17.9 NO CBIN10273 A1 CI1183 Curb Inlet 654.7 660.8 6.1 655.9 1.3 47.0 NO 656.3 2.0 79.7 NO 656.7 3.0 121.7 NO 657.1 3.3 136.3 NO CLEN10185 A1 ZCO12526 Cleanout 644.9 651.7 6.8 646.7 4.4 77.9 NO 647.6 7.3 143.5 NO 652.4 10.8 200.8 NO 654.8 12.3 217.6 YES CLEN10186 A1 ZCO13071 Cleanout 599.1 604.0 4.9 601.5 6.9 81.3 NO 602.3 11.7 131.7 NO 604.6 17.7 183.1 NO 604.4 20.2 193.2 NO OTHR10103 A1 ZOTHER10190Other 598.6 604.4 5.8 601.1 0.0 83.1 NO 602.1 0.0 135.0 NO 604.5 0.0 206.3 NO 604.5 0.0 199.3 NO CBIN10274 A1 CI0961 Curb Inlet 572.2 576.2 4.0 572.7 3.4 3.4 NO 572.9 5.6 5.6 NO 573.0 8.4 8.4 NO 573.1 9.6 9.6 NO CBIN10275 A1 CI0963 Curb Inlet 571.5 575.7 4.3 572.0 1.7 5.0 NO 572.2 2.8 8.4 NO 572.3 4.2 12.6 NO 572.4 4.8 14.4 NO CBIN10276 A1 CI1129 Curb Inlet 571.6 575.6 4.0 572.4 7.6 7.6 NO 572.6 12.0 12.0 NO 572.8 17.5 17.5 NO 572.9 19.8 19.8 NO CBIN10277 A1 CI1132 Curb Inlet 570.5 575.5 5.0 571.2 0.0 5.0 NO 571.4 0.0 8.4 NO 571.6 0.0 12.7 NO 571.7 0.0 14.4 NO INLT10112 A1 CO104 Inlet 577.6 582.4 4.8 578.2 7.7 7.7 NO 578.3 12.2 12.2 NO 578.5 17.9 17.9 NO 578.6 20.2 20.2 NO CBIN10278 A1 CI0819 Curb Inlet 582.7 586.7 4.0 586.7 14.2 14.2 NO 594.7 22.1 22.1 YES 605.4 31.6 31.6 YES 611.0 36.0 36.0 YES CBIN10279 A1 CI1486 Curb Inlet 580.4 637.6 57.2 581.2 12.6 12.6 NO 581.5 19.9 19.9 NO 581.8 29.3 29.3 NO 610.3 33.0 33.0 NO CBIN10280 A1 CI1485 Curb Inlet 578.6 585.5 6.9 579.4 1.1 13.7 NO 579.7 1.8 21.7 NO 580.3 2.6 31.8 NO 585.5 2.9 37.5 NO INLT10113 A1 INL007 Inlet 618.4 622.4 4.0 620.5 4.8 4.8 NO 624.9 8.3 8.3 YES 632.0 12.3 12.3 YES 634.0 14.1 14.1 YES INLT10114 A1 ZINL008 Inlet 619.7 623.7 4.0 620.5 0.0 0.4 NO 624.9 0.0 2.7 YES 631.9 0.0 6.5 YES 633.9 0.0 6.8 YES CBIN10281 A1 CI1414 Curb Inlet 618.1 623.1 5.0 620.5 5.8 10.6 NO 624.8 11.0 23.6 YES 631.9 16.6 27.1 YES 633.8 19.1 30.1 YES CBIN10282 A1 CI10300 Curb Inlet 667.9 673.5 5.6 668.4 3.7 3.7 NO 668.6 5.9 5.9 NO 668.7 8.8 8.8 NO 668.8 9.9 9.9 NO CBIN10283 A1 CI10296 Curb Inlet 665.6 671.4 5.8 666.2 5.6 9.2 NO 666.5 10.2 16.0 NO 666.7 15.7 24.3 NO 666.8 18.0 27.7 NO CBIN10284 A1 CI10297 Curb Inlet 663.9 671.4 7.5 664.6 3.1 12.3 NO 664.8 5.7 21.7 NO 665.1 8.8 33.2 NO 665.2 10.1 37.9 NO CBIN10285 A1 CI10299 Curb Inlet 661.4 667.8 6.4 661.6 1.3 1.3 NO 661.7 2.1 2.1 NO 661.7 3.2 3.2 NO 661.8 3.6 3.6 NO CBIN10286 A1 CI10295 Curb Inlet 645.8 649.9 4.1 646.0 2.3 2.3 NO 646.1 4.2 4.2 NO 650.1 6.4 9.2 NO 652.1 7.3 8.5 YES CBIN10287 A1 CI10294 Curb Inlet 645.8 649.8 4.0 646.0 1.5 1.5 NO 646.1 2.5 2.5 NO 649.9 3.9 6.2 NO 652.1 4.4 7.9 YES CBIN10288 A1 CI0416 Curb Inlet 679.5 689.7 10.2 680.2 9.0 9.0 NO 680.5 15.3 15.3 NO 680.8 23.9 23.9 NO 680.9 27.1 27.1 NO CBIN10289 A1 CI0418 Curb Inlet 678.6 689.2 10.6 679.3 8.2 17.1 NO 679.6 14.3 29.6 NO 679.9 22.5 46.3 NO 680.0 25.5 52.4 NO CBIN10290 A1 CI1039 Curb Inlet 691.2 695.2 4.0 691.2 0.0 0.0 NO 691.2 0.0 0.0 NO 691.2 0.0 0.0 NO 691.2 0.0 0.0 NO CBIN10291 A1 CI0677 Curb Inlet 677.9 688.9 10.9 677.9 0.0 0.0 NO 678.0 0.0 0.0 NO 678.2 0.0 0.0 NO 678.3 0.0 0.0 NO CBIN10292 A1 CI0149 Curb Inlet 680.8 691.0 10.3 681.1 1.6 1.6 NO 681.2 2.5 2.5 NO 681.4 3.7 3.7 NO 681.5 4.2 4.2 NO OTLT10016 A1 OUT10216 Outlet 727.4 733.8 6.4 728.1 0.0 27.7 NO 728.3 0.0 49.1 NO 728.5 0.0 74.5 NO 728.6 0.0 83.3 NO OTHR10104 A1 Other 675.6 679.6 4.0 676.2 8.5 23.9 NO 676.4 14.5 48.8 NO 676.5 22.3 81.0 NO 676.6 25.4 93.5 NO CBIN10293 A1 OTHER11760 Curb Inlet 596.4 600.4 4.0 599.6 6.9 60.2 NO 601.2 11.4 117.3 NO 603.3 17.3 174.3 YES 603.9 19.8 179.9 YES CBIN10294 A1 CI0901 Curb Inlet 698.1 704.8 6.7 698.1 0.0 0.0 NO 698.2 0.0 0.1 NO 698.6 0.0 0.2 NO 698.7 0.0 0.2 NO CBIN10295 A1 CI10661 Curb Inlet 600.0 604.6 4.6 601.6 0.0 0.0 NO 602.4 0.0 0.0 NO 605.1 0.0 6.3 NO 604.9 0.0 3.3 NO CBIN10296 A1 CI10218 Curb Inlet 653.1 662.2 9.1 654.4 15.8 15.8 NO 655.0 28.2 28.2 NO 655.4 42.0 42.0 NO 655.6 48.1 48.1 NO CBIN10297 A1 CI10217 Curb Inlet 654.6 661.7 7.2 654.6 0.0 0.0 NO 654.6 0.0 0.0 NO 654.6 0.0 0.0 NO 654.6 0.0 0.0 NO CBIN10298 A1 CI0914 Curb Inlet 705.3 711.1 5.8 705.3 0.0 0.0 NO 705.3 0.0 0.0 NO 706.0 0.0 2.2 NO 711.2 0.0 4.5 NO CBIN10299 A1 CI0360 Curb Inlet 706.3 712.7 6.4 706.9 0.0 11.7 NO 707.0 0.0 18.8 NO 707.5 0.0 27.8 NO 712.7 0.0 32.3 NO CBIN10300 A1 CI0361 Curb Inlet 710.6 715.0 4.5 711.2 11.7 11.7 NO 711.4 18.8 18.8 NO 711.7 27.8 27.8 NO 715.1 31.4 31.4 NO CBIN10301 A1 CI1295 Curb Inlet 644.8 651.3 6.5 645.3 1.9 1.9 NO 645.8 2.9 2.9 NO 646.2 4.2 4.2 NO 646.5 4.8 4.8 NO OTHR10105 A1 ZOTHER10206Other 644.2 651.3 7.1 645.3 0.0 9.5 NO 645.7 0.0 17.5 NO 646.1 0.0 26.8 NO 646.2 0.0 29.6 NO CBIN10302 A1 CI0862 Curb Inlet 684.9 689.8 4.9 686.1 3.6 11.1 NO 687.2 5.7 19.2 NO 689.4 8.3 30.2 NO 689.8 9.4 34.0 NO INLT10115 A1 ZINL11032 Inlet 674.2 690.1 15.9 674.8 4.0 4.0 NO 685.6 6.3 6.3 NO 690.1 9.3 9.3 NO 690.2 10.5 10.5 NO CBIN10303 A1 CI0252 Curb Inlet 600.5 604.5 4.0 600.5 0.0 0.0 NO 600.5 0.0 0.0 NO 601.0 0.0 0.2 NO 604.5 0.0 2.2 NO OTHR10106 A1 Other 657.9 661.9 4.0 660.0 5.6 165.0 NO 660.7 12.5 313.2 NO 661.4 20.0 478.3 NO 661.7 23.2 537.9 NO INLT10116 A1 ZINL11137 Inlet 695.9 699.9 4.0 696.9 4.2 9.7 NO 697.5 8.2 19.0 NO 697.8 12.5 30.6 NO 698.6 14.4 35.3 NO

APPENDIX E
EXISTING JUNCTIONS: SUMMARY TABLE
City of San Marcos Drainage Master Plan 16 of 132 April 2019 Facility ID Sub
Watershed
Original
Facility ID Type
Invert
Elevation
(feet)
Rim
Elevation
(feet)
Depth
(feet)
Max.

HGL
(2-year)
(feet)
Max.

Lateral
Inflow
(2-year)
(cfs)
Max.

Total
Inflow
(2-year)
(cfs)
Surcharging
(2-year)
Max. HGL
(10-year)
(feet)
Max.

Lateral
Inflow
(10-year)
(cfs)
Max.

Total
Inflow
(10-year)
(cfs)
Surcharging
(10-year)
Max. HGL
(50-year)
(feet)
Max.

Lateral
Inflow
(50-year)
(cfs)
Max. Total
Inflow
(50-year)
(cfs)
Surcharging
(50-year)
Max. HGL
(100-year)
(feet)
Max.

Lateral
Inflow
(100-year)
(cfs)
Max. Total
Inflow
(100-year)
(cfs)
Surcharging
(100-year)
Existing Condition Junctions Summary table
Dimensions 2-year 10-year 50-year 100-year
CBIN10304 A1 CI0644 Curb Inlet 672.3 679.5 7.2 672.3 0.0 0.0 NO 672.3 0.0 0.0 NO 672.3 0.0 0.0 NO 672.3 0.0 0.1 NO CLEN10187 A1 ZCO12798 Cleanout 667.2 677.2 10.0 667.5 0.0 2.5 NO 667.6 0.0 4.2 NO 667.8 0.0 6.3 NO 667.8 0.0 7.2 NO INLT10117 A1 ZINL13111 Inlet 701.1 705.1 4.0 712.7 50.7 50.7 YES 715.7 118.9 118.9 YES 734.1 190.7 190.7 YES 740.7 227.4 227.4 YES INLT10118 A1 Inlet 718.2 722.2 4.0 718.7 5.1 5.1 NO 718.8 8.8 8.8 NO 719.1 13.4 13.4 NO 719.1 15.4 15.4 NO INLT10119 A1 Inlet 707.5 711.5 4.0 707.9 3.2 7.7 NO 708.0 5.5 13.9 NO 708.1 8.3 21.2 NO 708.2 9.5 24.3 NO INLT10120 A1 Inlet 721.3 725.3 4.0 721.3 0.0 0.0 NO 721.3 0.0 0.0 NO 721.3 0.0 0.0 NO 721.3 0.0 0.0 NO INLT10121 A1 Inlet 727.1 731.1 4.0 727.1 0.0 0.0 NO 727.1 0.0 0.0 NO 727.1 0.0 0.0 NO 727.1 0.0 0.0 NO INLT10122 A1 Inlet 653.9 657.9 4.0 654.2 3.2 37.0 NO 656.4 5.7 69.8 NO 658.7 8.7 107.6 NO 659.8 10.0 123.8 YES OTHR10107 A1 Other 707.6 711.6 4.0 713.0 0.0 65.5 YES 718.4 0.0 59.0 YES 723.6 0.0 60.4 YES 725.8 0.0 64.8 YES OTHR10108 A1 Other 705.6 709.6 4.0 713.0 0.0 65.2 YES 718.4 0.0 49.2 YES 723.6 0.0 56.1 YES 725.8 0.0 60.6 YES OTHR10109 A1 Other 703.7 707.7 4.0 713.0 0.0 60.3 YES 718.4 0.0 44.9 YES 723.6 0.0 52.7 YES 725.8 0.0 57.1 YES OTHR10110 A1 Other 717.4 721.4 4.0 719.9 0.0 53.8 NO 723.3 0.0 79.6 YES 729.5 0.0 98.2 YES 732.6 0.0 103.8 YES OTHR10111 A1 Other 715.1 719.1 4.0 719.9 0.0 54.2 NO 723.3 0.0 74.7 YES 729.5 0.0 84.7 YES 732.6 0.0 89.0 YES OTHR10112 A1 Other 712.7 716.7 4.0 719.9 0.0 71.2 YES 723.3 0.0 76.7 YES 729.5 0.0 69.8 YES 732.6 0.0 70.5 YES OTHR10113 A1 Other 728.3 732.3 4.0 730.7 0.0 60.8 NO 734.1 0.0 117.5 YES 741.8 0.0 174.5 YES 746.4 0.0 204.8 YES OTHR10114 A1 Other 724.5 728.5 4.0 727.4 0.0 67.7 NO 734.1 0.0 111.2 YES 741.8 0.0 136.3 YES 746.4 0.0 156.4 YES OTHR10115 A1 Other 748.6 752.6 4.0 748.6 0.0 0.0 NO 748.6 0.0 0.0 NO 748.6 0.0 0.0 NO 748.6 0.0 0.0 NO OTHR10116 A1 Other 741.6 745.6 4.0 741.6 0.0 0.0 NO 741.6 0.0 0.0 NO 741.6 0.0 0.0 NO 741.6 0.0 0.0 NO OTHR10117 A1 Other 734.5 738.5 4.0 734.5 0.0 0.0 NO 734.5 0.0 0.0 NO 734.5 0.0 0.0 NO 734.5 0.0 0.0 NO OTHR10118 A1 Other 727.4 731.4 4.0 727.4 0.0 0.0 NO 727.4 0.0 0.0 NO 727.4 0.0 0.0 NO 727.4 0.0 0.0 NO OTHR10119 A1 Other 720.3 724.3 4.0 720.3 0.0 0.0 NO 720.3 0.0 0.0 NO 720.3 0.0 0.0 NO 720.3 0.0 0.0 NO OTHR10120 A1 Other 736.7 740.7 4.0 736.7 0.0 0.0 NO 736.7 0.0 0.0 NO 736.7 0.0 0.0 NO 736.7 0.0 0.0 NO OTHR10121 A1 Other 734.0 738.0 4.0 734.0 0.0 0.0 NO 734.0 0.0 0.0 NO 734.0 0.0 0.0 NO 734.0 0.0 0.0 NO OTHR10122 A1 Other 731.3 735.3 4.0 731.3 0.0 0.0 NO 731.3 0.0 0.0 NO 731.3 0.0 0.0 NO 731.3 0.0 0.0 NO OTHR10123 A1 Other 728.6 732.6 4.0 728.6 0.0 0.0 NO 728.6 0.0 0.0 NO 728.6 0.0 0.0 NO 728.7 0.0 2.2 NO OTHR10124 A1 Other 708.3 712.3 4.0 709.2 0.0 5.5 NO 709.5 0.0 10.8 NO 709.7 0.0 17.9 NO 710.0 0.0 20.7 NO OTHR10125 A1 Other 707.3 711.3 4.0 708.3 0.0 5.4 NO 709.0 0.0 10.6 NO 709.7 0.0 17.0 NO 710.0 0.0 19.6 NO OTHR10126 A1 Other 706.4 710.4 4.0 708.1 0.0 4.8 NO 709.0 0.0 9.6 NO 709.7 0.0 10.8 NO 710.0 0.0 11.8 NO OTHR10127 A1 Other 705.5 709.5 4.0 708.1 0.0 4.3 NO 709.0 0.0 7.0 NO 709.7 0.0 11.9 NO 710.0 0.0 14.1 NO OTHR10128 A1 Other 628.8 632.8 4.0 628.8 0.0 0.0 NO 628.8 0.0 0.0 NO 628.8 0.0 0.0 NO 628.8 0.0 0.0 NO OTHR10129 A1 Other 622.5 626.5 4.0 622.5 0.0 0.0 NO 622.5 0.0 0.0 NO 623.0 0.0 5.3 NO 624.3 0.0 8.2 NO OTHR10130 A1 Other 618.4 622.4 4.0 618.4 0.0 0.0 NO 618.4 0.0 0.0 NO 622.9 0.0 15.8 NO 624.3 0.0 16.7 YES OTHR10131 A1 Other 712.7 716.7 4.0 713.5 0.0 7.1 NO 713.7 0.0 13.1 NO 713.8 0.0 20.4 NO 713.8 0.0 23.5 NO OTHR10132 A1 Other 711.0 715.0 4.0 711.8 0.0 7.6 NO 711.9 0.0 13.1 NO 711.9 0.0 19.6 NO 711.9 0.0 22.7 NO OTHR10133 A1 Other 709.2 713.2 4.0 709.8 0.0 7.9 NO 710.0 0.0 13.8 NO 710.2 0.0 20.3 NO 710.2 0.0 22.6 NO OTHR10134 A1 Other 707.5 711.5 4.0 708.3 0.0 7.1 NO 708.6 0.0 12.8 NO 708.7 0.0 18.8 NO 708.8 0.0 21.5 NO OTHR10135 A1 Other 705.7 709.7 4.0 706.9 0.0 6.4 NO 707.2 0.0 11.8 NO 707.5 0.0 18.1 NO 707.5 0.0 20.9 NO OTHR10136 A1 Other 703.9 707.9 4.0 704.6 0.0 6.3 NO 704.8 0.0 11.3 NO 705.0 0.0 17.6 NO 705.1 0.0 20.2 NO OTHR10137 A1 Other 702.2 706.2 4.0 702.7 0.0 6.5 NO 702.9 0.0 11.3 NO 703.0 0.0 17.6 NO 703.0 0.0 20.2 NO OTHR10138 A1 Other 700.4 704.4 4.0 701.1 0.0 6.0 NO 701.3 0.0 11.1 NO 701.4 0.0 17.4 NO 701.6 0.0 20.0 NO OTHR10139 A1 Other 698.6 702.6 4.0 700.3 0.0 5.5 NO 700.9 0.0 10.7 NO 701.4 0.0 16.9 NO 701.5 0.0 19.4 NO OTHR10140 A1 Other 696.9 700.9 4.0 697.4 0.0 3.8 NO 697.6 0.0 8.6 NO 697.7 0.0 13.2 NO 697.7 0.0 15.2 NO OTHR10141 A1 Other 695.1 699.1 4.0 695.8 0.0 3.9 NO 695.9 0.0 8.6 NO 696.0 0.0 13.2 NO 696.0 0.0 15.1 NO OTHR10142 A1 Other 656.6 660.6 4.0 659.0 0.0 164.6 NO 659.8 0.0 312.4 NO 660.6 0.0 477.1 NO 660.8 0.0 537.4 NO OTHR10143 A1 Other 655.2 659.2 4.0 657.4 0.0 164.5 NO 658.0 0.0 312.2 NO 658.5 0.0 476.9 NO 658.7 0.0 537.2 NO OTHR10144 A1 Other 662.3 666.3 4.0 664.9 0.0 127.4 NO 665.5 0.0 227.4 NO 666.0 0.0 329.4 NO 666.1 0.0 356.4 NO OTHR10145 A1 Other 661.4 665.4 4.0 663.5 0.0 127.4 NO 664.2 0.0 227.3 NO 664.7 0.0 329.1 NO 664.9 0.0 353.0 NO OTHR10146 A1 Other 660.5 664.5 4.0 662.8 0.0 125.4 NO 663.4 0.0 224.1 NO 663.9 0.0 325.9 NO 664.1 0.0 351.2 NO OTHR10147 A1 Other 659.7 663.7 4.0 661.7 0.0 123.7 NO 662.4 0.0 221.3 NO 663.0 0.0 323.1 NO 663.1 0.0 349.7 NO

APPENDIX E
EXISTING JUNCTIONS: SUMMARY TABLE
City of San Marcos Drainage Master Plan 17 of 132 April 2019 Facility ID Sub
Watershed
Original
Facility ID Type
Invert
Elevation
(feet)
Rim
Elevation
(feet)
Depth
(feet)
Max.

HGL
(2-year)
(feet)
Max.

Lateral
Inflow
(2-year)
(cfs)
Max.

Total
Inflow
(2-year)
(cfs)
Surcharging
(2-year)
Max. HGL
(10-year)
(feet)
Max.

Lateral
Inflow
(10-year)
(cfs)
Max.

Total
Inflow
(10-year)
(cfs)
Surcharging
(10-year)
Max. HGL
(50-year)
(feet)
Max.

Lateral
Inflow
(50-year)
(cfs)
Max. Total
Inflow
(50-year)
(cfs)
Surcharging
(50-year)
Max. HGL
(100-year)
(feet)
Max.

Lateral
Inflow
(100-year)
(cfs)
Max. Total
Inflow
(100-year)
(cfs)
Surcharging
(100-year)
Existing Condition Junctions Summary table
Dimensions 2-year 10-year 50-year 100-year
OTHR10148 A1 Other 658.8 662.8 4.0 661.1 0.0 121.5 NO 661.7 0.0 218.0 NO 662.3 0.0 319.8 NO 662.5 0.0 347.3 NO OTHR10149 A1 Other 665.7 669.7 4.0 667.7 0.0 51.9 NO 668.1 0.0 104.7 NO 668.5 0.0 170.5 NO 668.6 0.0 192.5 NO OTHR10150 A1 Other 664.6 668.6 4.0 665.8 0.0 52.2 NO 666.2 0.0 105.2 NO 666.6 0.0 167.3 NO 666.7 0.0 188.6 NO OTHR10151 A1 Other 663.5 667.5 4.0 664.9 0.0 51.8 NO 665.4 0.0 104.5 NO 665.8 0.0 166.0 NO 665.9 0.0 186.8 NO OTHR10152 A1 Other 662.4 666.4 4.0 663.7 0.0 52.1 NO 664.2 0.0 104.2 NO 664.6 0.0 165.0 NO 664.8 0.0 186.2 NO OTHR10153 A1 Other 661.3 665.3 4.0 663.0 0.0 51.4 NO 663.4 0.0 103.2 NO 663.8 0.0 163.9 NO 663.9 0.0 185.6 NO OTHR10154 A1 Other 660.1 664.1 4.0 661.4 0.0 51.5 NO 661.8 0.0 103.2 NO 662.2 0.0 163.7 NO 662.4 0.0 185.6 NO OTHR10155 A1 Other 659.0 663.0 4.0 660.3 0.0 51.3 NO 660.9 0.0 102.4 NO 661.5 0.0 163.3 NO 661.8 0.0 184.5 NO OTHR10156 A1 Other 712.8 716.8 4.0 713.9 0.0 5.1 NO 714.0 0.0 8.8 NO 714.2 0.0 13.4 NO 714.2 0.0 15.3 NO OTHR10157 A1 Other 704.6 708.6 4.0 705.2 0.0 7.7 NO 705.3 0.0 13.9 NO 705.4 0.0 21.1 NO 705.5 0.0 24.2 NO OTHR10158 A1 Other 701.7 705.7 4.0 702.8 0.0 7.5 NO 703.0 0.0 13.6 NO 703.2 0.0 20.7 NO 703.2 0.0 23.7 NO OTHR10159 A1 Other 698.8 702.8 4.0 699.4 0.0 6.8 NO 699.5 0.0 12.8 NO 699.6 0.0 20.6 NO 699.7 0.0 23.6 NO OTHR10160 A1 Other 718.1 722.1 4.0 718.1 0.0 0.0 NO 718.1 0.0 0.0 NO 718.1 0.0 0.0 NO 718.1 0.0 0.0 NO OTHR10161 A1 Other 714.9 718.9 4.0 714.9 0.0 0.0 NO 714.9 0.0 0.0 NO 714.9 0.0 0.0 NO 714.9 0.0 0.0 NO OTHR10162 A1 Other 711.7 715.7 4.0 711.7 0.0 0.0 NO 711.7 0.0 0.0 NO 711.7 0.0 0.0 NO 711.7 0.0 0.0 NO OTHR10163 A1 Other 708.6 712.6 4.0 708.6 0.0 0.0 NO 708.6 0.0 0.0 NO 708.6 0.0 0.0 NO 708.6 0.0 0.0 NO OTHR10164 A1 Other 705.4 709.4 4.0 705.4 0.0 0.0 NO 705.4 0.0 0.0 NO 705.4 0.0 0.0 NO 705.4 0.0 0.0 NO OTHR10165 A1 Other 702.2 706.2 4.0 702.2 0.0 0.0 NO 702.2 0.0 0.0 NO 702.2 0.0 0.0 NO 702.2 0.0 0.0 NO OTHR10166 A1 Other 699.0 703.0 4.0 699.1 0.0 0.0 NO 699.1 0.0 0.0 NO 699.1 0.0 0.0 NO 699.1 0.0 0.0 NO OTHR10167 A1 Other 724.3 728.3 4.0 724.3 0.0 0.0 NO 724.3 0.0 0.0 NO 724.3 0.0 0.0 NO 724.3 0.0 0.0 NO OTHR10168 A1 Other 721.5 725.5 4.0 721.5 0.0 0.0 NO 721.5 0.0 0.0 NO 721.5 0.0 0.0 NO 721.5 0.0 0.0 NO OTHR10169 A1 Other 718.7 722.7 4.0 718.7 0.0 0.0 NO 718.7 0.0 0.0 NO 718.7 0.0 0.0 NO 718.7 0.0 0.0 NO OTHR10170 A1 Other 715.9 719.9 4.0 715.9 0.0 0.0 NO 715.9 0.0 0.0 NO 715.9 0.0 0.0 NO 715.9 0.0 0.0 NO OTHR10171 A1 Other 713.1 717.1 4.0 713.1 0.0 0.0 NO 713.1 0.0 0.0 NO 713.1 0.0 0.0 NO 713.1 0.0 0.0 NO OTHR10172 A1 Other 710.3 714.3 4.0 710.3 0.0 0.0 NO 710.3 0.0 0.0 NO 710.3 0.0 0.0 NO 710.3 0.0 0.0 NO OTHR10173 A1 Other 699.3 703.3 4.0 701.1 0.0 38.2 NO 701.2 0.0 47.5 NO 701.3 0.0 54.9 NO 701.3 0.0 57.8 NO OTHR10174 A1 Other 697.1 701.1 4.0 699.3 0.0 38.2 NO 699.5 0.0 47.5 NO 699.6 0.0 54.9 NO 699.7 0.0 57.8 NO OTHR10175 A1 Other 694.8 698.8 4.0 696.5 0.0 38.2 NO 696.8 0.0 47.5 NO 696.9 0.0 54.9 NO 697.0 0.0 57.8 NO OTHR10176 A1 Other 692.6 696.6 4.0 694.4 0.0 38.2 NO 694.6 0.0 47.5 NO 694.7 0.0 54.9 NO 694.7 0.0 57.8 NO OTHR10177 A1 Other 690.3 694.3 4.0 692.4 0.0 38.2 NO 692.6 0.0 47.5 NO 692.8 0.0 54.9 NO 692.9 0.0 57.8 NO OTHR10178 A1 Other 688.1 692.1 4.0 690.5 0.0 38.2 NO 690.7 0.0 47.5 NO 690.8 0.0 54.9 NO 690.9 0.0 57.8 NO OTHR10179 A1 Other 685.8 689.8 4.0 687.4 0.0 38.2 NO 687.5 0.0 47.5 NO 687.6 0.0 54.9 NO 687.6 0.0 57.8 NO OTHR10180 A1 Other 683.6 687.6 4.0 685.9 0.0 38.2 NO 686.1 0.0 47.5 NO 686.2 0.0 54.9 NO 686.3 0.0 57.8 NO OTHR10181 A1 Other 681.3 685.3 4.0 683.3 0.0 38.2 NO 683.4 0.0 47.5 NO 683.5 0.0 54.9 NO 683.5 0.0 57.8 NO OTHR10182 A1 Other 679.1 683.1 4.0 680.4 0.0 38.2 NO 680.5 0.0 47.5 NO 680.6 0.0 54.9 NO 680.6 0.0 57.8 NO OTHR10183 A1 Other 676.8 680.8 4.0 677.8 0.0 38.2 NO 677.9 0.0 47.5 NO 678.0 0.0 54.9 NO 678.4 0.0 57.8 NO OTHR10184 A1 Other 672.4 678.5 6.1 673.1 0.0 22.0 NO 673.3 0.0 45.2 NO 673.6 0.0 76.7 NO 673.6 0.0 90.0 NO OTHR10185 A1 Other 669.1 675.2 6.1 670.7 0.0 21.9 NO 671.2 0.0 45.2 NO 671.5 0.0 76.6 NO 673.3 0.0 89.8 NO OTHR10186 A1 Other 665.8 671.9 6.1 666.8 0.0 21.8 NO 667.2 0.0 44.9 NO 671.4 0.0 76.2 NO 673.3 0.0 85.1 YES OTHR10187 A1 Other 722.2 726.2 4.0 723.8 0.0 26.9 NO 724.4 0.0 54.3 NO 724.6 0.0 84.2 NO 725.8 0.0 96.7 NO OTHR10188 A1 Other 719.9 723.9 4.0 721.5 0.0 26.9 NO 722.2 0.0 55.1 NO 723.6 0.0 83.7 NO 725.8 0.0 96.5 YES OTHR10189 A1 Other 717.6 721.6 4.0 719.5 0.0 26.7 NO 720.0 0.0 52.9 NO 723.6 0.0 83.2 YES 725.8 0.0 96.2 YES OTHR10190 A1 Other 715.4 719.4 4.0 717.1 0.0 27.1 NO 718.4 0.0 52.6 NO 723.6 0.0 82.9 YES 725.8 0.0 96.0 YES OTHR10191 A1 Other 713.1 717.1 4.0 714.9 0.0 26.9 NO 718.4 0.0 52.8 YES 723.6 0.0 82.6 YES 725.8 0.0 97.9 YES OTHR10192 A1 Other 710.8 714.8 4.0 713.0 0.0 26.9 NO 718.4 0.0 52.5 YES 723.6 0.0 82.4 YES 725.8 0.0 94.3 YES OTHR10193 A1 Other 708.5 712.5 4.0 713.0 0.0 26.9 NO 718.4 0.0 54.8 YES 723.6 0.0 63.5 YES 725.8 0.0 70.4 YES OTHR10194 A1 Other 706.3 710.3 4.0 713.0 0.0 26.8 YES 718.4 0.0 44.6 YES 723.6 0.0 41.1 YES 725.8 0.0 46.5 YES OTHR10195 A1 Other 704.0 708.0 4.0 713.0 0.0 29.4 YES 718.4 0.0 27.0 YES 723.6 0.0 24.3 YES 725.8 0.0 28.2 YES OTHR10196 A1 Other 693.4 697.4 4.0 694.4 0.0 9.7 NO 694.8 0.0 18.9 NO 695.1 0.0 30.6 NO 695.2 0.0 33.1 NO

APPENDIX E
EXISTING JUNCTIONS: SUMMARY TABLE
City of San Marcos Drainage Master Plan 18 of 132 April 2019 Facility ID Sub
Watershed
Original
Facility ID Type
Invert
Elevation
(feet)
Rim
Elevation
(feet)
Depth
(feet)
Max.

HGL
(2-year)
(feet)
Max.

Lateral
Inflow
(2-year)
(cfs)
Max.

Total
Inflow
(2-year)
(cfs)
Surcharging
(2-year)
Max. HGL
(10-year)
(feet)
Max.

Lateral
Inflow
(10-year)
(cfs)
Max.

Total
Inflow
(10-year)
(cfs)
Surcharging
(10-year)
Max. HGL
(50-year)
(feet)
Max.

Lateral
Inflow
(50-year)
(cfs)
Max. Total
Inflow
(50-year)
(cfs)
Surcharging
(50-year)
Max. HGL
(100-year)
(feet)
Max.

Lateral
Inflow
(100-year)
(cfs)
Max. Total
Inflow
(100-year)
(cfs)
Surcharging
(100-year)
Existing Condition Junctions Summary table
Dimensions 2-year 10-year 50-year 100-year
OTHR10197 A1 Other 710.7 714.7 4.0 712.4 0.0 57.5 NO 712.9 0.0 121.4 NO 713.3 0.0 198.8 NO 713.5 0.0 232.2 NO OTHR10198 A1 Other 708.7 712.7 4.0 710.6 0.0 56.5 NO 711.1 0.0 119.0 NO 711.6 0.0 194.5 NO 711.8 0.0 227.8 NO OTHR10199 A1 Other 706.6 710.6 4.0 709.1 0.0 55.8 NO 709.6 0.0 117.5 NO 710.2 0.0 191.9 NO 710.5 0.0 225.1 NO OTHR10200 A1 Other 702.6 706.6 4.0 707.7 0.0 56.6 YES 708.5 0.0 119.6 YES 709.0 0.0 192.6 YES 709.2 0.0 227.7 YES OTHR10201 A1 Other 700.7 704.7 4.0 702.2 0.0 56.7 NO 703.0 0.0 119.9 NO 703.7 0.0 192.8 NO 704.0 0.0 228.4 NO OTHR10202 A1 Other 698.7 702.7 4.0 701.0 0.0 56.6 NO 701.6 0.0 119.6 NO 702.1 0.0 192.4 NO 702.5 0.0 227.5 NO OTHR10203 A1 Other 696.7 700.7 4.0 699.3 0.0 56.4 NO 700.1 0.0 119.3 NO 700.8 0.0 192.0 NO 701.1 0.0 225.2 NO OTHR10204 A1 Other 694.7 698.7 4.0 697.3 0.0 56.3 NO 698.0 0.0 118.5 NO 698.5 0.0 191.3 NO 698.7 0.0 224.2 NO OTHR10205 A1 Other 692.7 696.7 4.0 694.8 0.0 56.4 NO 695.6 0.0 118.6 NO 696.2 0.0 191.0 NO 696.5 0.0 224.3 NO OTHR10206 A1 Other 690.7 694.7 4.0 692.7 0.0 56.3 NO 693.2 0.0 118.4 NO 693.6 0.0 190.5 NO 693.8 0.0 223.7 NO OTHR10207 A1 ZOTHER10521Other 563.3 567.3 4.0 564.2 0.0 119.2 NO 564.5 0.0 176.3 NO 564.8 0.0 241.9 NO 564.9 0.0 262.1 NO OTHR10208 A1 ZOTHER10257Other 562.6 566.6 4.0 563.5 10.4 131.2 NO 563.9 17.6 197.5 NO 564.2 26.6 275.6 NO 564.3 30.4 303.8 NO OTHR10209 A1 ZOTHER10780Other 562.0 566.0 4.0 562.9 2.1 137.7 NO 563.2 3.3 210.2 NO 563.6 4.9 297.8 NO 563.7 5.5 332.5 NO OTHR10210 A1 ZOTHER10720Other 560.1 564.1 4.0 561.0 0.0 137.6 NO 561.4 0.0 210.6 NO 561.7 0.0 299.2 NO 561.8 0.0 334.9 NO OTHR10211 A1 ZOTHER10522Other 565.9 569.9 4.0 566.7 0.0 22.5 NO 566.9 0.0 36.5 NO 567.2 0.0 55.3 NO 567.3 0.0 62.4 NO OTHR10212 A1 ZOTHER10782Other 565.8 569.8 4.0 566.7 0.0 122.4 NO 566.9 0.0 175.6 NO 567.2 0.0 242.2 NO 567.3 0.0 258.8 NO OTHR10213 A1 ZOTHER10432Other 657.1 661.1 4.0 657.3 0.0 4.2 NO 657.4 0.0 7.0 NO 657.5 0.0 10.4 NO 657.5 0.0 11.9 NO OTHR10214 A1 ZOTHER10433Other 657.4 661.4 4.0 657.6 0.0 4.3 NO 657.7 0.0 7.1 NO 657.8 0.0 10.5 NO 657.8 0.0 12.0 NO OTLT10017 A1 OUT016 Outlet 674.3 678.3 4.0 674.3 0.0 41.6 NO 674.3 0.0 85.8 NO 674.4 0.0 132.5 NO 674.4 0.0 159.5 NO CLEN10188 A2 ZCO10260 Cleanout 778.9 788.1 9.2 779.6 0.9 9.5 NO 788.1 1.4 17.1 NO 788.2 2.1 24.4 NO 788.7 2.3 26.4 NO CLEN10189 A2 ZCO10261 Cleanout 776.8 784.3 7.6 778.3 0.0 29.4 NO 784.4 0.0 52.7 NO 785.5 0.0 81.5 YES 787.4 0.0 87.5 YES OTLT10018 A2 OUT10292 Outlet 774.1 778.1 4.0 775.1 0.0 29.3 NO 778.1 0.0 52.6 NO 778.1 0.0 73.9 NO 778.1 0.0 82.3 NO OTLT10019 A2 ZOUT10346 Outlet 821.3 825.3 4.0 821.9 0.0 3.1 NO 822.0 0.0 5.0 NO 822.1 0.0 7.3 NO 822.2 0.0 8.2 NO CLEN10190 A2 ZCO12403 Cleanout 838.1 848.8 10.7 838.4 0.0 3.1 NO 838.5 0.0 5.0 NO 838.5 0.0 7.3 NO 838.5 0.0 8.2 NO CLEN10191 A2 ZCO12404 Cleanout 842.8 851.8 9.0 843.4 0.0 3.1 NO 843.5 0.0 5.0 NO 843.7 0.0 7.4 NO 843.7 0.0 8.3 NO INLT10123 A2 ZINL12895 Inlet 869.3 873.3 4.0 869.5 3.2 3.2 NO 869.5 5.0 5.0 NO 869.6 7.4 7.4 NO 869.6 8.3 8.3 NO INLT10124 A2 ZINL11634 Inlet 799.2 803.2 4.0 799.4 0.0 3.5 NO 799.5 0.0 5.6 NO 799.5 0.0 7.4 NO 799.5 0.0 7.4 NO INLT10125 A2 ZINL11635 Inlet 771.2 775.2 4.0 771.5 4.2 4.2 NO 771.5 6.7 6.7 NO 771.6 9.8 9.8 NO 771.6 11.0 11.0 NO CLEN10192 A2 ZCO11636 Cleanout 757.1 764.0 6.9 757.4 0.0 4.2 NO 757.5 0.0 6.7 NO 757.6 0.0 9.8 NO 757.7 0.0 11.0 NO CLEN10193 A2 ZCO11947 Cleanout 750.3 760.5 10.2 750.7 0.0 4.2 NO 750.8 0.0 6.7 NO 750.9 0.0 9.7 NO 751.0 0.0 11.0 NO CLEN10194 A2 ZCO11948 Cleanout 740.6 750.9 10.4 741.1 1.9 6.0 NO 741.2 3.0 9.5 NO 741.4 4.4 13.9 NO 750.9 5.0 15.7 NO CLEN10195 A2 ZCO12405 Cleanout 766.4 776.6 10.2 767.8 10.7 74.9 NO 768.3 16.8 121.3 NO 776.7 24.3 145.5 NO 778.9 27.4 149.4 YES OTHR10215 A2 ZOTHER10084Other 764.4 768.4 4.0 764.5 2.1 2.1 NO 764.6 3.3 3.3 NO 768.9 4.8 6.2 NO 771.3 5.4 5.5 YES CLEN10196 A2 ZCO12406 Cleanout 755.9 765.2 9.3 757.7 13.7 88.8 NO 758.7 21.7 143.1 NO 768.9 32.0 186.3 YES 771.3 36.2 186.0 YES INLT10126 A2 ZINL11517 Inlet 745.2 757.9 12.7 745.7 9.3 9.3 NO 745.9 14.8 14.8 NO 746.0 21.7 21.7 NO 746.1 24.4 24.4 NO CLEN10197 A2 ZCO10262 Cleanout 742.0 748.3 6.3 742.5 0.0 9.3 NO 742.6 0.0 14.8 NO 742.8 0.0 21.7 NO 744.0 0.0 24.4 NO CLEN10198 A2 ZCO10263 Cleanout 733.5 744.7 11.2 734.5 1.9 16.9 NO 734.8 3.0 26.9 NO 744.7 4.3 42.9 NO 744.8 4.9 49.6 NO CLEN10199 A2 ZCO10264 Cleanout 750.2 758.7 8.5 751.9 0.0 88.9 NO 752.7 0.0 142.8 NO 760.6 0.0 169.8 YES 762.9 0.0 169.4 YES CBIN10305 A2 ZCI10077 Curb Inlet 735.8 741.8 6.0 735.8 0.0 0.0 NO 735.8 0.0 0.0 NO 741.9 0.0 6.1 NO 743.0 0.0 10.6 YES CLEN10200 A2 ZCO11115 Cleanout 739.1 748.2 9.1 740.9 10.7 101.4 NO 741.6 23.5 170.0 NO 748.3 38.1 209.6 NO 749.0 44.2 211.2 NO CBIN10306 A2 ZCI10078 Curb Inlet 740.8 744.8 4.0 740.8 0.0 0.0 NO 740.8 0.0 0.0 NO 741.1 0.0 1.5 NO 741.6 0.0 1.7 NO CBIN10307 A2 ZCI10079 Curb Inlet 734.8 738.8 4.0 734.8 0.0 0.0 NO 734.8 0.0 0.0 NO 734.8 0.0 0.0 NO 734.8 0.0 0.0 NO CBIN10308 A2 ZCI10080 Curb Inlet 735.4 739.4 4.0 735.4 0.0 0.0 NO 735.4 0.0 0.0 NO 735.4 0.0 0.0 NO 735.4 0.0 0.0 NO CBIN10309 A2 ZCI10725 Curb Inlet 740.8 744.8 4.0 740.8 0.0 0.0 NO 740.8 0.0 0.0 NO 740.9 0.0 1.0 NO 741.5 0.0 1.8 NO INLT10127 A2 INL049 Inlet 741.9 746.0 4.1 742.2 1.7 2.7 NO 742.3 3.3 5.7 NO 746.8 5.2 48.2 NO 749.1 6.0 108.2 YES CLEN10201 A2 ZCO12939 Cleanout 728.0 739.6 11.6 729.0 0.0 19.9 NO 729.4 0.0 31.6 NO 739.6 0.0 46.9 NO 739.6 0.0 47.0 NO CLEN10202 A2 ZCO12407 Cleanout 724.8 733.2 8.4 725.4 6.2 6.2 NO 725.5 10.0 10.0 NO 733.3 14.7 14.7 NO 733.3 16.7 16.7 NO CLEN10203 A2 ZCO10265 Cleanout 726.6 735.6 9.0 728.4 0.0 101.3 NO 729.1 0.0 170.2 NO 736.3 0.0 204.8 NO 738.7 0.0 205.2 YES CLEN10204 A2 ZCO10266 Cleanout 721.8 732.3 10.6 722.7 0.0 19.9 NO 723.0 0.0 31.7 NO 732.4 0.0 41.4 NO 732.4 0.0 43.5 NO

APPENDIX E
EXISTING JUNCTIONS: SUMMARY TABLE
City of San Marcos Drainage Master Plan 19 of 132 April 2019 Facility ID Sub
Watershed
Original
Facility ID Type
Invert
Elevation
(feet)
Rim
Elevation
(feet)
Depth
(feet)
Max.

HGL
(2-year)
(feet)
Max.

Lateral
Inflow
(2-year)
(cfs)
Max.

Total
Inflow
(2-year)
(cfs)
Surcharging
(2-year)
Max. HGL
(10-year)
(feet)
Max.

Lateral
Inflow
(10-year)
(cfs)
Max.

Total
Inflow
(10-year)
(cfs)
Surcharging
(10-year)
Max. HGL
(50-year)
(feet)
Max.

Lateral
Inflow
(50-year)
(cfs)
Max. Total
Inflow
(50-year)
(cfs)
Surcharging
(50-year)
Max. HGL
(100-year)
(feet)
Max.

Lateral
Inflow
(100-year)
(cfs)
Max. Total
Inflow
(100-year)
(cfs)
Surcharging
(100-year)
Existing Condition Junctions Summary table
Dimensions 2-year 10-year 50-year 100-year
CLEN10205 A2 ZCO10267 Cleanout 719.0 729.3 10.3 720.3 1.4 27.1 NO 720.8 2.1 43.2 NO 729.3 3.1 60.7 NO 729.9 3.5 65.6 NO CBIN10310 A2 ZCI10081 Curb Inlet 729.6 733.6 4.0 729.8 1.2 1.2 NO 729.9 1.9 1.9 NO 729.9 2.7 2.7 NO 730.0 3.1 3.1 NO CLEN10206 A2 ZCO13001 Cleanout 725.7 732.5 6.8 726.0 0.0 1.2 NO 726.1 0.0 1.9 NO 726.2 0.0 2.7 NO 729.2 0.0 3.1 NO CLEN10207 A2 ZCO13002 Cleanout 724.9 732.3 7.4 725.1 0.0 1.2 NO 725.1 0.0 1.9 NO 725.4 0.0 2.7 NO 728.1 0.0 3.1 NO CLEN10208 A2 ZCO11949 Cleanout 722.3 726.3 4.0 722.6 0.0 1.2 NO 722.6 0.0 1.9 NO 726.3 0.0 3.6 NO 727.5 0.0 5.3 YES CBIN10311 A2 CI0662 Curb Inlet 718.2 724.2 6.0 718.2 0.0 0.0 NO 718.2 0.0 0.0 NO 727.4 0.0 18.3 YES 729.6 0.0 18.4 YES OTHR10216 A2 ZOTHER10085Other 715.4 724.3 8.9 717.2 3.4 104.3 NO 718.0 5.6 175.5 NO 727.4 8.3 211.1 YES 729.6 9.5 208.6 YES CLEN10209 A2 ZCO10268 Cleanout 715.8 723.3 7.5 716.8 1.3 28.3 NO 717.1 2.0 45.1 NO 725.4 2.9 59.9 YES 727.4 3.2 65.3 YES CBIN10312 A2 ZCI10082 Curb Inlet 715.2 721.9 6.7 715.2 0.0 0.0 NO 716.0 0.0 1.4 NO 725.1 0.0 13.8 YES 727.1 0.0 11.2 YES CLEN10210 A2 ZCO12940 Cleanout 712.1 721.0 8.9 714.1 0.0 135.5 NO 715.7 0.0 224.2 NO 724.9 0.0 246.0 YES 727.0 0.0 245.0 YES CBIN10313 A2 ZCI10083 Curb Inlet 723.9 727.9 4.0 723.9 0.0 0.0 NO 723.9 0.0 0.0 NO 723.9 0.0 0.0 NO 723.9 0.0 0.0 NO INLT10128 A2 ZINL11950 Inlet 731.2 735.2 4.0 731.4 2.6 2.6 NO 731.5 4.0 4.0 NO 731.5 5.8 5.8 NO 731.6 6.6 6.6 NO CLEN10211 A2 ZCO12408 Cleanout 712.3 721.7 9.4 713.3 14.7 17.3 NO 713.7 23.4 27.4 NO 721.7 34.2 40.0 NO 721.9 38.5 45.1 NO CLEN10212 A2 ZCO12409 Cleanout 709.3 718.5 9.2 710.1 0.0 17.1 NO 710.4 0.0 27.1 NO 718.6 0.0 42.2 NO 718.6 0.0 47.0 NO CLEN10213 A2 ZCO12410 Cleanout 705.0 713.9 8.9 705.9 0.0 17.2 NO 706.2 0.0 27.2 NO 713.9 0.0 41.3 NO 714.2 0.0 48.3 NO CLEN10214 A2 ZCO11518 Cleanout 696.6 705.6 9.0 698.6 0.0 137.5 NO 705.7 0.0 226.0 NO 710.9 0.0 230.2 YES 713.5 0.0 229.5 YES CBIN10314 A2 CI0661 Curb Inlet 699.0 705.8 6.7 699.4 0.0 1.8 NO 705.8 0.0 19.6 NO 711.0 0.0 34.7 YES 713.5 0.0 34.3 YES INLT10129 A2 INL047 Inlet 699.3 705.4 6.1 699.6 1.8 1.8 NO 705.6 3.6 24.6 NO 711.0 5.6 26.0 YES 713.5 6.4 27.5 YES CBIN10315 A2 ZCI10085 Curb Inlet 707.5 711.5 4.0 707.5 0.0 0.0 NO 707.5 0.0 0.0 NO 707.8 0.0 2.3 NO 711.5 0.0 3.6 NO CLEN10215 A2 ZCO12941 Cleanout 698.1 708.2 10.1 699.0 0.0 18.3 NO 699.6 0.0 29.2 NO 708.2 0.0 44.7 NO 709.2 0.0 55.3 NO CBIN10316 A2 ZCI10086 Curb Inlet 702.7 708.9 6.2 703.0 1.2 1.2 NO 703.1 1.9 1.9 NO 708.9 2.7 6.8 NO 709.2 3.0 6.5 NO CLEN10216 A2 ZCO11951 Cleanout 692.7 701.6 8.9 693.7 6.6 24.5 NO 701.6 10.5 40.3 NO 702.5 15.4 57.2 NO 705.7 17.4 64.0 YES CLEN10217 A2 ZCO11952 Cleanout 684.4 693.2 8.8 693.2 0.0 25.1 NO 693.6 0.0 40.3 NO 697.4 0.0 49.6 YES 700.3 0.0 52.8 YES CLEN10218 A2 ZCO12411 Cleanout 683.3 692.7 9.4 685.2 2.0 139.6 NO 692.9 3.5 222.8 NO 699.5 5.2 225.5 YES 702.1 5.8 224.8 YES CLEN10219 A2 ZCO12413 Cleanout 675.2 684.5 9.3 676.2 0.0 8.6 NO 684.5 0.0 13.7 NO 687.2 0.0 19.8 YES 689.9 0.0 23.0 YES CBIN10317 A2 ZCI10087 Curb Inlet 681.7 685.7 4.0 681.7 0.0 0.0 NO 681.9 0.0 0.1 NO 686.1 0.0 5.1 NO 688.6 0.0 5.8 YES CLEN10220 A2 ZCO11519 Cleanout 666.0 679.3 13.3 669.0 0.0 139.5 NO 681.7 0.0 218.9 YES 688.2 0.0 219.3 YES 690.9 0.0 216.1 YES CBIN10318 A2 ZCI10088 Curb Inlet 680.9 684.9 4.0 681.6 0.0 24.5 NO 681.8 0.0 36.0 NO 686.1 0.0 44.1 YES 688.6 0.0 44.1 YES CBIN10319 A2 ZCI10089 Curb Inlet 680.2 684.2 4.0 680.2 0.0 0.0 NO 680.3 0.0 0.9 NO 685.7 0.0 2.2 YES 688.4 0.0 3.3 YES INLT10130 A2 INL046 Inlet 673.0 677.0 4.0 673.5 13.7 13.7 NO 680.8 25.9 46.1 YES 686.9 40.2 85.3 YES 689.5 46.2 88.6 YES CLEN10221 A2 ZCO11637 Cleanout 664.6 677.0 12.4 666.9 0.0 151.8 NO 680.7 0.0 223.4 YES 687.0 0.0 234.0 YES 689.7 0.0 218.2 YES CBIN10320 A2 ZCI10090 Curb Inlet 673.2 680.7 7.5 673.7 0.0 8.5 NO 680.8 0.0 14.0 NO 685.7 0.0 17.0 YES 688.4 0.0 16.5 YES CLEN10222 A2 ZCO11638 Cleanout 668.4 681.0 12.6 669.6 9.2 39.9 NO 681.0 14.4 65.9 NO 685.6 21.1 74.1 YES 688.3 23.8 80.3 YES CLEN10223 A2 ZCO11953 Cleanout 665.1 682.9 17.8 666.2 0.0 39.9 NO 682.9 0.0 65.8 NO 685.4 0.0 70.9 YES 688.1 0.0 71.2 YES CBIN10321 A2 CI0654 Curb Inlet 663.5 670.9 7.4 664.7 0.0 39.9 NO 679.1 0.0 65.9 YES 685.4 0.0 70.9 YES 688.1 0.0 70.2 YES CLEN10224 A2 ZCO12414 Cleanout 661.2 671.4 10.2 663.7 1.7 190.9 NO 678.9 2.9 272.7 YES 685.3 4.2 275.2 YES 688.0 4.8 260.6 YES CLEN10225 A2 ZCO12415 Cleanout 655.0 662.9 8.0 662.9 0.0 204.4 NO 675.1 0.0 278.0 YES 681.8 0.0 272.7 YES 684.5 0.0 267.1 YES INLT10131 A2 INL045 Inlet 662.3 666.3 4.0 662.9 15.7 15.7 NO 675.2 28.4 28.4 YES 681.8 43.8 43.8 YES 684.6 50.1 50.1 YES CBIN10322 A2 CI0655 Curb Inlet 741.3 748.2 6.9 741.6 0.0 2.7 NO 741.7 0.0 5.7 NO 748.3 0.0 49.1 NO 749.1 0.0 66.4 NO OTHR10217 A2 ZOTHER10086Other 713.3 721.4 8.0 714.9 1.6 31.1 NO 715.8 2.6 49.3 NO 725.0 3.8 62.4 YES 727.2 4.3 60.1 YES OTHR10218 A2 ZOTHER10087Other 715.2 723.2 8.0 716.4 0.0 29.5 NO 716.9 0.0 46.9 NO 725.4 0.0 77.0 YES 727.4 0.0 85.4 YES CBIN10323 A2 ZCI10091 Curb Inlet 719.3 723.3 4.0 719.4 0.0 1.2 NO 719.5 0.0 1.9 NO 725.4 0.0 23.6 YES 727.4 0.0 25.8 YES CBIN10324 A2 ZCI10092 Curb Inlet 687.2 691.2 4.0 687.7 8.6 8.6 NO 687.9 13.7 13.7 NO 688.5 20.0 20.0 NO 691.7 22.6 22.6 NO CLEN10226 A2 ZCO12416 Cleanout 730.3 741.1 10.9 731.2 3.1 19.9 NO 731.5 4.8 31.6 NO 741.2 7.0 47.6 NO 741.3 7.9 50.7 NO INLT10132 A2 INL048 Inlet 862.3 866.3 4.0 863.5 43.6 43.6 NO 864.0 72.3 72.3 NO 874.5 107.5 107.5 YES 880.7 121.9 121.9 YES CLEN10227 A2 ZCO12417 Cleanout 849.1 859.7 10.6 850.3 2.1 45.6 NO 850.8 3.3 75.5 NO 862.0 4.8 97.5 YES 866.3 5.4 107.9 YES CLEN10228 A2 ZCO11520 Cleanout 837.2 848.1 10.9 838.5 4.9 49.9 NO 839.1 7.6 82.1 NO 851.1 11.1 99.5 YES 854.1 12.4 104.5 YES OTHR10219 A2 ZOTHER10088Other 833.9 844.9 11.0 835.2 1.4 51.3 NO 835.8 2.2 84.4 NO 847.6 3.1 105.6 YES 850.3 3.5 105.2 YES INLT10133 A2 ZINL11521 Inlet 865.2 869.2 4.0 865.2 0.0 0.0 NO 865.2 0.0 0.0 NO 865.2 0.0 0.0 NO 865.2 0.0 0.0 NO

APPENDIX E
EXISTING JUNCTIONS: SUMMARY TABLE
City of San Marcos Drainage Master Plan 20 of 132 April 2019 Facility ID Sub
Watershed
Original
Facility ID Type
Invert
Elevation
(feet)
Rim
Elevation
(feet)
Depth
(feet)
Max.

HGL
(2-year)
(feet)
Max.

Lateral
Inflow
(2-year)
(cfs)
Max.

Total
Inflow
(2-year)
(cfs)
Surcharging
(2-year)
Max. HGL
(10-year)
(feet)
Max.

Lateral
Inflow
(10-year)
(cfs)
Max.

Total
Inflow
(10-year)
(cfs)
Surcharging
(10-year)
Max. HGL
(50-year)
(feet)
Max.

Lateral
Inflow
(50-year)
(cfs)
Max. Total
Inflow
(50-year)
(cfs)
Surcharging
(50-year)
Max. HGL
(100-year)
(feet)
Max.

Lateral
Inflow
(100-year)
(cfs)
Max. Total
Inflow
(100-year)
(cfs)
Surcharging
(100-year)
Existing Condition Junctions Summary table
Dimensions 2-year 10-year 50-year 100-year
CBIN10325 A2 CI0907 Curb Inlet 834.4 839.6 5.2 834.4 0.0 0.0 NO 834.4 0.0 0.0 NO 842.2 0.0 6.1 YES 844.6 0.0 9.1 YES CLEN10229 A2 ZCO11954 Cleanout 828.6 839.9 11.3 829.9 0.0 51.5 NO 830.5 0.0 84.6 NO 842.2 0.0 114.7 YES 844.6 0.0 117.6 YES CBIN10326 A2 CI0908 Curb Inlet 834.4 840.2 5.8 834.4 0.0 0.0 NO 834.4 0.0 0.0 NO 842.2 0.0 14.4 YES 844.6 0.0 12.5 YES CLEN10230 A2 ZCO10269 Cleanout 825.7 839.7 13.9 827.2 7.4 58.6 NO 828.0 12.3 96.4 NO 839.7 18.2 113.2 NO 841.4 20.7 127.8 YES CBIN10327 A2 CI1364 Curb Inlet 813.6 819.5 5.9 813.6 0.0 0.0 NO 813.6 0.0 0.0 NO 819.6 0.0 18.1 NO 819.9 0.0 16.8 NO CLEN10231 A2 ZCO10270 Cleanout 809.5 819.4 9.9 810.8 0.0 58.7 NO 811.4 0.0 96.1 NO 819.4 0.0 132.1 NO 819.5 0.0 126.4 NO CBIN10328 A2 CI1361 Curb Inlet 795.3 807.5 12.2 795.3 0.0 0.0 NO 795.3 0.0 0.0 NO 795.4 0.0 1.3 NO 807.5 0.0 6.3 NO CLEN10232 A2 ZCO11021 Cleanout 787.6 796.8 9.2 789.2 0.0 58.2 NO 789.8 0.0 95.5 NO 796.8 0.0 110.5 NO 796.8 0.0 115.7 NO CBIN10329 A2 CI1363 Curb Inlet 791.1 796.7 5.6 791.1 0.0 0.0 NO 791.1 0.0 0.0 NO 791.6 0.0 4.2 NO 796.8 0.0 13.9 NO CBIN10330 A2 CI1362 Curb Inlet 786.7 797.1 10.4 787.4 7.2 7.2 NO 787.7 12.3 12.3 NO 797.1 18.4 18.4 NO 797.7 21.0 21.0 NO CLEN10233 A2 ZCO10271 Cleanout 786.4 796.1 9.8 787.9 0.0 58.0 NO 788.4 0.0 95.3 NO 796.1 0.0 108.5 NO 796.2 0.0 115.1 NO CLEN10234 A2 ZCO10272 Cleanout 782.1 791.6 9.5 783.5 8.5 65.8 NO 784.0 13.3 107.1 NO 791.6 19.4 125.2 NO 791.6 21.8 138.7 NO CBIN10331 A2 CI10093 Curb Inlet 787.6 794.2 6.7 787.6 0.0 0.0 NO 787.6 0.0 0.0 NO 787.8 0.0 3.2 NO 794.3 0.0 10.5 NO CBIN10332 A2 CI0653 Curb Inlet 643.0 651.9 9.0 654.9 0.0 202.9 YES 668.2 0.0 242.1 YES 674.8 0.0 246.8 YES 677.7 0.0 244.2 YES CLEN10235 A2 ZCO13003 Cleanout 640.6 648.5 7.9 651.8 0.0 204.6 YES 663.8 0.0 223.9 YES 670.2 0.0 224.9 YES 673.1 0.0 224.9 YES CLEN10236 A2 ZCO11955 Cleanout 638.8 648.5 9.8 648.8 0.0 203.5 NO 659.3 0.0 213.8 YES 665.5 0.0 218.3 YES 668.5 0.0 220.5 YES CLEN10237 A2 ZCO10357 Cleanout 629.7 636.1 6.4 631.9 7.3 44.2 NO 632.6 14.2 72.0 NO 636.2 22.6 107.2 NO 636.2 26.1 113.8 NO CBIN10333 A2 CI0868 Curb Inlet 630.8 636.4 5.6 631.9 0.0 0.1 NO 632.7 0.0 0.7 NO 636.5 0.0 13.3 NO 636.5 0.0 10.3 NO CBIN10334 A2 CI10157 Curb Inlet 630.3 636.3 6.0 632.1 7.3 7.3 NO 633.4 12.3 12.3 NO 636.7 18.8 18.8 NO 637.6 21.3 21.3 YES CLEN10238 A2 ZCO12471 Cleanout 631.2 637.8 6.6 634.0 1.0 32.0 NO 637.8 1.6 59.4 NO 638.1 2.4 89.9 NO 638.3 2.7 95.2 NO CBIN10335 A2 CI1714 Curb Inlet 632.4 637.8 5.4 634.0 0.0 0.2 NO 637.9 0.0 16.5 NO 638.5 0.0 24.6 NO 638.6 0.0 24.5 NO CLEN10239 A2 ZCO10358 Cleanout 632.4 638.9 6.5 635.1 18.3 31.3 NO 638.9 30.7 46.6 NO 639.7 47.9 64.6 NO 640.3 54.9 69.8 YES INLT10134 A2 INL10359 Inlet 634.4 638.7 4.3 636.6 2.6 26.1 NO 638.8 5.1 45.7 NO 640.5 8.0 69.1 YES 641.2 9.3 75.5 YES CBIN10336 A2 CI1307 Curb Inlet 660.8 670.7 9.9 661.3 0.0 0.0 NO 661.6 0.0 0.1 NO 662.0 0.0 0.1 NO 662.2 0.0 0.1 NO SEPR10006 A2 SEP008 Separator 640.7 648.5 7.8 641.7 4.8 23.8 NO 642.0 8.0 41.0 NO 648.5 12.0 61.3 NO 648.5 13.7 69.4 NO CBIN10337 A2 CI1305 Curb Inlet 638.3 646.0 7.7 639.4 1.9 1.9 NO 639.8 3.4 3.4 NO 640.5 5.1 5.1 NO 641.2 5.8 5.8 NO CLEN10240 A2 CO008 Cleanout 679.7 692.4 12.7 680.5 6.7 18.1 NO 680.8 10.9 31.3 NO 681.1 16.4 46.7 NO 681.2 18.5 53.0 NO CBIN10338 A2 CI1308 Curb Inlet 660.5 670.5 10.0 661.3 1.5 19.5 NO 661.6 2.6 33.7 NO 662.0 3.8 50.2 NO 662.2 4.3 57.1 NO CBIN10339 A2 CI1306 Curb Inlet 639.8 645.7 5.9 639.8 0.0 0.0 NO 639.8 0.0 0.0 NO 640.5 0.0 0.3 NO 641.2 0.0 0.2 NO CBIN10340 A2 CI1172 Curb Inlet 689.5 702.1 12.6 690.2 1.4 11.8 NO 690.4 2.5 21.1 NO 690.7 3.7 31.4 NO 690.8 4.2 35.4 NO CBIN10341 A2 CI1173 Curb Inlet 690.8 702.3 11.5 690.8 0.0 0.0 NO 690.8 0.0 0.0 NO 690.8 0.0 0.0 NO 690.8 0.0 0.0 NO CLEN10241 A2 CO009 Cleanout 698.6 709.6 11.0 699.3 1.4 10.6 NO 699.5 2.3 18.8 NO 699.8 3.4 28.0 NO 699.9 3.8 31.4 NO CBIN10342 A2 CI0718 Curb Inlet 717.1 728.6 11.6 717.1 0.0 0.0 NO 717.1 0.0 0.0 NO 717.1 0.0 0.0 NO 717.1 0.0 0.0 NO CBIN10343 A2 CI1174 Curb Inlet 713.6 724.8 11.3 714.2 9.3 9.3 NO 714.5 16.9 16.9 NO 714.8 25.2 25.2 NO 715.0 28.8 28.8 NO CBIN10344 A2 CI0717 Curb Inlet 718.3 728.6 10.3 718.3 0.0 0.0 NO 718.3 0.0 0.0 NO 718.3 0.0 0.0 NO 718.3 0.0 0.0 NO OTLT10020 A2 OUT10229 Outlet 638.2 642.2 4.0 639.4 0.0 25.6 NO 639.7 0.0 44.1 NO 640.5 0.0 68.7 NO 641.2 0.0 74.9 NO CLEN10242 A2 CO1402 Cleanout 642.5 648.5 6.0 642.5 0.0 0.0 NO 642.5 0.0 0.0 NO 642.5 0.0 0.0 NO 642.5 0.0 0.0 NO CLEN10243 A2 ZCO13009 Cleanout 728.3 732.8 4.5 728.7 0.0 4.6 NO 728.8 0.0 8.3 NO 728.9 0.0 12.6 NO 728.9 0.0 14.4 NO INLT10135 A2 ZINL12474 Inlet 723.4 729.4 6.0 723.4 0.0 0.0 NO 723.4 0.0 0.0 NO 723.4 0.0 0.0 NO 723.4 0.0 0.0 NO INLT10136 A2 ZINL10363 Inlet 694.9 700.9 6.0 695.2 1.0 1.0 NO 695.3 1.8 1.8 NO 696.4 2.7 2.7 NO 701.0 3.1 6.9 NO INLT10137 A2 ZINL10364 Inlet 701.8 705.8 4.0 701.9 0.8 0.8 NO 702.0 1.4 1.4 NO 702.0 2.2 2.2 NO 702.0 2.4 2.4 NO CLEN10244 A2 ZCO10365 Cleanout 697.8 707.2 9.4 698.2 0.0 5.3 NO 698.4 0.0 9.6 NO 698.5 0.0 14.5 NO 699.7 0.0 16.6 NO CBIN10345 A2 CI0802 Curb Inlet 693.6 699.6 6.0 694.2 0.0 0.0 NO 694.6 0.0 0.0 NO 696.1 0.0 0.3 NO 699.7 0.0 7.5 NO CLEN10245 A2 ZCO10366 Cleanout 693.3 699.6 6.3 694.2 3.7 9.7 NO 694.6 7.2 18.0 NO 696.1 11.0 25.8 NO 699.7 12.6 42.5 NO CBIN10346 A2 CI0801 Curb Inlet 693.7 699.6 5.9 694.2 0.0 0.0 NO 694.6 0.0 0.0 NO 696.3 0.0 0.4 NO 699.6 0.0 6.4 NO CLEN10246 A2 ZCO10367 Cleanout 691.8 701.1 9.3 692.7 1.0 10.6 NO 693.1 1.9 19.8 NO 701.1 2.8 27.1 NO 701.2 3.2 36.1 NO CLEN10247 A2 ZCO11660 Cleanout 690.8 700.0 9.2 691.9 0.0 10.6 NO 692.4 0.0 19.8 NO 700.0 0.0 26.9 NO 700.0 0.0 39.3 NO CLEN10248 A2 ZCO11662 Cleanout 690.1 698.9 8.9 691.1 0.0 10.6 NO 691.9 0.0 19.9 NO 698.9 0.0 26.9 NO 699.0 0.0 36.5 NO CBIN10347 A2 CI0803 Curb Inlet 689.5 697.1 7.6 690.5 4.3 14.4 NO 691.6 8.7 27.5 NO 697.1 13.8 38.0 NO 697.1 15.8 49.7 NO

APPENDIX E
EXISTING JUNCTIONS: SUMMARY TABLE
City of San Marcos Drainage Master Plan 21 of 132 April 2019 Facility ID Sub
Watershed
Original
Facility ID Type
Invert
Elevation
(feet)
Rim
Elevation
(feet)
Depth
(feet)
Max.

HGL
(2-year)
(feet)
Max.

Lateral
Inflow
(2-year)
(cfs)
Max.

Total
Inflow
(2-year)
(cfs)
Surcharging
(2-year)
Max. HGL
(10-year)
(feet)
Max.

Lateral
Inflow
(10-year)
(cfs)
Max.

Total
Inflow
(10-year)
(cfs)
Surcharging
(10-year)
Max. HGL
(50-year)
(feet)
Max.

Lateral
Inflow
(50-year)
(cfs)
Max. Total
Inflow
(50-year)
(cfs)
Surcharging
(50-year)
Max. HGL
(100-year)
(feet)
Max.

Lateral
Inflow
(100-year)
(cfs)
Max. Total
Inflow
(100-year)
(cfs)
Surcharging
(100-year)
Existing Condition Junctions Summary table
Dimensions 2-year 10-year 50-year 100-year
CBIN10348 A2 CI1703 Curb Inlet 664.2 672.5 8.3 665.3 12.0 12.0 NO 665.8 20.8 20.8 NO 672.5 32.1 32.1 NO 672.7 36.4 36.4 NO CBIN10349 A2 CI0658 Curb Inlet 662.2 668.5 6.2 662.5 0.0 0.1 NO 662.8 0.0 0.1 NO 668.0 0.0 1.3 NO 668.5 0.0 3.2 NO INLT10138 A2 ZINL10369 Inlet 691.3 695.4 4.1 691.6 1.2 1.2 NO 691.6 2.3 2.3 NO 695.4 3.5 3.5 NO 695.5 4.0 4.5 NO CLEN10249 A2 ZCO10370 Cleanout 688.9 695.8 6.9 690.1 0.0 15.5 NO 691.5 0.0 29.3 NO 695.8 0.0 41.4 NO 695.8 0.0 57.7 NO CLEN10250 A2 ZCO10371 Cleanout 687.5 697.6 10.1 687.9 0.0 15.5 NO 688.1 0.0 31.6 NO 688.2 0.0 47.6 NO 688.2 0.0 51.7 NO CBIN10350 A2 CI0663 Curb Inlet 661.7 665.7 4.0 662.5 3.5 3.5 NO 662.7 5.9 5.9 NO 665.7 8.7 8.7 NO 666.4 9.9 11.8 NO CLEN10251 A2 ZCO11030 Cleanout 687.9 695.5 7.6 689.2 0.0 15.5 NO 689.8 0.0 29.4 NO 690.3 0.0 43.0 NO 690.3 0.0 50.6 NO CLEN10252 A2 ZCO11031 Cleanout 689.0 694.4 5.4 689.2 0.0 0.0 NO 689.8 0.0 0.1 NO 694.4 0.0 2.0 NO 693.5 0.0 1.5 NO CLEN10253 A2 ZCO11990 Cleanout 661.0 672.5 11.4 662.3 0.0 15.5 NO 662.9 0.0 30.2 NO 663.4 0.0 45.7 NO 672.5 0.0 50.5 NO CBIN10351 A2 CI0158 Curb Inlet 660.6 664.6 4.0 661.1 0.0 15.5 NO 661.4 0.0 29.4 NO 663.2 0.0 43.3 NO 665.3 0.0 50.6 NO OTHR10220 A2 ZOTHER10150Other 658.3 664.4 6.1 659.6 1.6 16.8 NO 660.2 2.9 31.8 NO 664.4 4.5 49.4 NO 665.0 5.1 51.2 NO CBIN10352 A2 CI10726 Curb Inlet 661.3 665.3 4.0 662.0 0.0 15.3 NO 662.2 0.0 26.4 NO 663.1 0.0 42.4 NO 665.8 0.0 45.9 NO OTHR10221 A2 ZOTHER10151Other 656.1 660.4 4.3 657.3 2.7 34.6 NO 657.8 4.3 61.9 NO 660.4 6.4 92.0 NO 661.7 7.2 103.7 YES CBIN10353 A2 CI0159 Curb Inlet 658.0 664.1 6.1 659.1 1.3 32.1 NO 659.6 2.1 58.6 NO 664.1 3.0 86.5 NO 664.3 3.4 96.5 NO INLT10139 A2 ZINL11997 Inlet 636.0 640.0 4.0 636.7 5.8 5.8 NO 637.0 10.0 10.0 NO 640.0 15.1 15.1 NO 640.1 17.1 17.1 NO CLEN10254 A2 ZCO11998 Cleanout 635.3 640.8 5.5 636.1 0.0 5.9 NO 636.4 0.0 10.0 NO 640.8 0.0 16.6 NO 640.8 0.0 16.5 NO CBIN10354 A2 CI0270 Curb Inlet 634.2 639.2 5.0 635.0 0.0 5.8 NO 635.3 0.0 9.9 NO 639.2 0.0 15.8 NO 639.2 0.0 16.5 NO CBIN10355 A2 CI0271 Curb Inlet 633.3 638.8 5.5 634.1 1.6 7.4 NO 634.4 2.8 12.6 NO 634.8 4.1 20.4 NO 635.0 4.7 21.1 NO INLT10140 A2 ZINL10393 Inlet 634.8 640.3 5.5 635.6 7.4 7.4 NO 635.9 13.9 13.9 NO 643.1 21.3 21.3 YES 646.1 24.4 24.4 YES CBIN10356 A2 CI10184 Curb Inlet 634.1 638.2 4.1 634.7 0.0 7.3 NO 635.4 0.0 13.8 NO 642.9 0.0 23.7 YES 645.8 0.0 22.8 YES CLEN10255 A2 ZCO11033 Cleanout 632.4 637.3 4.9 633.2 0.0 7.3 NO 637.3 0.0 16.3 NO 642.7 0.0 23.1 YES 645.6 0.0 25.2 YES CBIN10357 A2 CI1009 Curb Inlet 633.3 637.3 4.0 633.3 0.0 0.0 NO 634.6 0.0 1.5 NO 641.7 0.0 7.2 YES 644.5 0.0 7.7 YES CBIN10358 A2 CI0776 Curb Inlet 637.4 641.4 4.0 637.4 0.0 0.0 NO 638.4 0.0 2.9 NO 641.4 0.0 2.5 NO 641.4 0.0 4.0 NO OTHR10222 A2 ZOTHER10174Other 707.6 718.2 10.6 709.1 1.8 87.3 NO 709.8 3.1 159.4 NO 718.3 4.6 286.5 NO 721.4 5.2 287.9 YES CLEN10256 A2 ZCO11674 Cleanout 697.0 707.1 10.1 698.5 0.0 87.4 NO 699.1 0.0 159.1 NO 708.1 0.0 262.8 YES 712.5 0.0 275.5 YES CLEN10257 A2 ZCO12487 Cleanout 692.0 701.9 9.9 694.1 0.0 87.4 NO 695.3 0.0 159.0 NO 704.9 0.0 257.8 YES 708.8 0.0 266.4 YES CLEN10258 A2 ZCO12488 Cleanout 690.1 697.1 7.0 692.0 0.0 89.3 NO 692.8 0.0 161.5 NO 700.5 0.0 247.0 YES 703.5 0.0 267.3 YES CLEN10259 A2 ZCO12489 Cleanout 678.9 689.5 10.6 680.1 1.2 95.7 NO 680.6 1.8 172.6 NO 681.1 2.6 263.5 NO 681.5 2.9 280.7 NO CBIN10359 A2 CI0747 Curb Inlet 670.0 676.9 6.9 670.0 0.0 0.0 NO 670.0 0.0 0.0 NO 670.3 0.0 0.3 NO 670.4 0.0 0.4 NO CBIN10360 A2 CI0541 Curb Inlet 672.1 676.1 4.0 673.4 24.8 24.8 NO 676.1 40.8 40.8 NO 676.9 61.1 61.1 NO 678.2 69.4 69.4 YES CBIN10361 A2 CI10191 Curb Inlet 708.5 721.1 12.6 710.7 70.4 77.6 NO 712.1 134.0 146.6 NO 721.3 217.8 248.4 NO 724.5 253.2 271.8 YES CLEN10260 A2 ZCO10399 Cleanout 697.5 707.3 9.8 698.5 0.0 0.1 NO 699.1 0.0 0.1 NO 708.2 0.0 16.6 NO 712.5 0.0 16.7 YES INLT10141 A2 ZINL10400 Inlet 695.3 705.1 9.8 695.3 0.0 0.0 NO 695.3 0.0 0.0 NO 705.1 0.0 8.3 NO 708.8 0.0 12.1 YES CBIN10362 A2 ZCI10192 Curb Inlet 693.9 697.9 4.0 694.8 6.2 6.2 NO 695.1 9.9 9.9 NO 700.6 14.5 14.5 YES 703.7 16.4 16.4 YES CBIN10363 A2 ZCI10714 Curb Inlet 643.9 652.1 8.2 644.7 2.8 12.4 NO 645.0 4.8 23.2 NO 645.3 7.3 36.4 NO 645.4 8.3 42.0 NO OTHR10223 A2 ZOTHER10191Other 650.4 654.4 4.0 650.4 0.0 0.0 NO 650.4 0.0 0.0 NO 650.4 0.0 0.0 NO 650.4 0.0 0.0 NO CBIN10364 A2 ZCI10196 Curb Inlet 650.5 654.5 4.0 650.7 0.5 0.5 NO 650.7 1.0 1.0 NO 650.8 1.6 1.6 NO 650.8 1.8 1.8 NO INLT10142 A2 ZINL13012 Inlet 651.3 655.3 4.0 651.3 0.0 0.0 NO 651.3 0.0 0.0 NO 651.3 0.0 0.0 NO 651.3 0.0 0.0 NO CBIN10365 A2 ZCI10197 Curb Inlet 643.3 656.1 12.8 644.3 0.2 18.8 NO 644.6 0.4 34.2 NO 644.9 0.6 53.0 NO 645.0 0.7 60.9 NO OTLT10021 A2 ZOUT10230 Outlet 641.1 646.3 5.1 641.4 0.0 18.8 NO 641.5 0.0 34.2 NO 641.6 0.0 53.0 NO 641.6 0.0 61.0 NO OTLT10022 A2 ZOUT10231 Outlet 641.2 645.2 4.0 641.3 3.0 3.0 NO 641.3 5.0 5.0 NO 641.3 7.7 7.7 NO 641.3 8.8 8.8 NO CLEN10261 A2 ZCO14011 Cleanout 643.9 648.4 4.4 643.9 0.0 0.0 NO 643.9 0.0 0.0 NO 643.9 0.0 0.0 NO 643.9 0.0 0.0 NO CLEN10262 A2 ZCO11675 Cleanout 651.3 670.5 19.2 653.1 1.2 109.2 NO 653.8 2.0 214.2 NO 654.6 3.0 358.9 NO 655.0 3.4 421.4 NO CLEN10263 A2 ZCO11676 Cleanout 662.0 670.5 8.6 663.1 1.0 35.4 NO 663.5 1.7 62.7 NO 664.0 2.6 95.4 NO 664.2 2.9 111.0 NO INLT10143 A2 ZINL11677 Inlet 666.5 670.5 4.0 666.8 4.3 4.3 NO 667.0 7.7 7.7 NO 667.1 11.8 11.8 NO 667.1 13.5 13.5 NO CLEN10264 A2 ZCO12001 Cleanout 667.6 674.5 6.9 668.5 0.0 31.6 NO 668.7 0.0 56.4 NO 669.0 0.0 86.2 NO 669.2 0.0 100.4 NO CLEN10265 A2 ZCO12002 Cleanout 666.7 675.7 9.0 668.1 0.0 69.5 NO 668.9 0.0 172.8 NO 669.6 0.0 283.6 NO 669.9 0.0 326.3 NO CLEN10266 A2 ZCO12493 Cleanout 665.0 673.7 8.7 665.9 1.2 70.1 NO 666.3 1.9 173.2 NO 666.7 2.8 284.2 NO 666.8 3.2 327.1 NO OTHR10224 A2 ZOTHER10192Other 653.0 672.0 19.0 654.9 0.0 72.9 NO 656.0 0.0 176.0 NO 657.2 0.0 288.8 NO 657.7 0.0 332.4 NO

APPENDIX E
EXISTING JUNCTIONS: SUMMARY TABLE
City of San Marcos Drainage Master Plan 22 of 132 April 2019 Facility ID Sub
Watershed
Original
Facility ID Type
Invert
Elevation
(feet)
Rim
Elevation
(feet)
Depth
(feet)
Max.

HGL
(2-year)
(feet)
Max.

Lateral
Inflow
(2-year)
(cfs)
Max.

Total
Inflow
(2-year)
(cfs)
Surcharging
(2-year)
Max. HGL
(10-year)
(feet)
Max.

Lateral
Inflow
(10-year)
(cfs)
Max.

Total
Inflow
(10-year)
(cfs)
Surcharging
(10-year)
Max. HGL
(50-year)
(feet)
Max.

Lateral
Inflow
(50-year)
(cfs)
Max. Total
Inflow
(50-year)
(cfs)
Surcharging
(50-year)
Max. HGL
(100-year)
(feet)
Max.

Lateral
Inflow
(100-year)
(cfs)
Max. Total
Inflow
(100-year)
(cfs)
Surcharging
(100-year)
Existing Condition Junctions Summary table
Dimensions 2-year 10-year 50-year 100-year
CBIN10366 A2 CI10200 Curb Inlet 662.3 672.0 9.7 662.5 2.9 2.9 NO 662.6 5.6 5.6 NO 662.7 8.9 8.9 NO 662.7 10.2 10.2 NO CBIN10367 A2 ZCI10715 Curb Inlet 646.5 656.3 9.8 647.4 0.7 6.2 NO 647.7 1.4 10.7 NO 648.2 2.1 16.1 NO 648.4 2.4 18.3 NO OTHR10225 A2 ZOTHER10193Other 650.3 655.8 5.5 650.5 0.9 0.9 NO 650.5 1.5 1.5 NO 650.6 2.3 2.3 NO 650.6 2.6 2.6 NO CLEN10267 A2 ZCO13013 Cleanout 650.2 658.0 7.8 650.8 4.8 4.8 NO 651.0 8.1 8.1 NO 651.3 12.2 12.2 NO 651.5 13.9 13.9 NO OTHR10226 A2 ZOTHER10194Other 651.9 658.1 6.2 651.9 0.0 0.0 NO 651.9 0.0 0.0 NO 651.9 0.0 0.0 NO 651.9 0.0 0.0 NO CLEN10268 A2 ZCO12003 Cleanout 601.8 608.2 6.4 603.6 0.0 35.5 NO 604.5 0.0 58.2 NO 605.9 0.0 84.9 NO 606.7 0.0 99.1 NO CLEN10269 A2 ZCO12004 Cleanout 603.7 611.1 7.4 605.3 0.0 32.2 NO 605.8 0.0 52.4 NO 606.8 0.0 78.8 NO 607.7 0.0 94.5 NO CBIN10368 A2 CI0806 Curb Inlet 607.6 612.1 4.5 608.0 0.0 1.1 NO 608.1 0.0 1.7 NO 608.2 0.0 2.6 NO 608.3 0.0 2.9 NO CBIN10369 A2 CI0838 Curb Inlet 608.2 612.2 4.0 608.5 1.1 1.1 NO 608.6 1.7 1.7 NO 608.7 2.6 2.6 NO 608.8 2.9 2.9 NO CLEN10270 A2 ZCO10404 Cleanout 603.3 610.2 6.8 605.0 2.0 35.7 NO 605.6 3.3 58.0 NO 606.6 4.9 85.2 NO 607.6 5.5 102.3 NO CLEN10271 A2 ZCO10405 Cleanout 604.2 611.2 7.1 605.0 1.6 1.6 NO 605.6 2.6 2.6 NO 606.7 3.9 3.9 NO 607.8 4.4 4.4 NO CBIN10370 A2 CI1710 Curb Inlet 604.3 610.9 6.6 605.7 0.0 31.0 NO 606.2 0.0 50.5 NO 607.0 0.0 76.7 NO 607.8 0.0 92.4 NO CLEN10272 A2 ZCO13087 Cleanout 606.5 611.6 5.1 607.0 17.9 30.8 NO 607.3 29.8 50.4 NO 607.7 44.9 76.4 NO 608.1 51.2 93.0 NO INLT10144 A2 ZINL12494 Inlet 610.6 614.6 4.0 610.6 0.0 0.0 NO 610.6 0.0 0.0 NO 610.6 0.0 0.0 NO 610.6 0.0 0.0 NO CBIN10371 A2 CI1711 Curb Inlet 608.9 615.0 6.1 610.1 0.0 14.2 NO 610.4 0.0 21.9 NO 611.7 0.0 47.7 NO 615.0 0.0 53.6 NO INLT10145 A2 ZINL12495 Inlet 613.1 617.1 4.0 613.1 0.0 0.0 NO 613.1 0.0 0.0 NO 613.1 0.0 0.0 NO 613.5 0.0 3.7 NO CLEN10273 A2 ZCO12005 Cleanout 614.5 621.6 7.2 615.5 0.9 12.6 NO 615.8 1.5 19.1 NO 621.8 2.3 52.4 NO 622.1 2.6 47.8 NO INLT10146 A2 ZINL12006 Inlet 618.3 622.3 4.0 618.3 0.0 0.0 NO 618.3 0.0 0.0 NO 622.5 0.0 13.2 NO 622.5 0.0 12.9 NO CLEN10274 A2 ZCO12007 Cleanout 633.0 647.5 14.5 633.7 0.0 12.3 NO 633.9 0.0 18.7 NO 650.2 0.0 100.0 YES 650.2 0.0 100.0 YES OTHR10227 A2 ZOTHER10195Other 604.9 611.6 6.7 606.4 0.0 30.8 NO 606.9 0.0 50.3 NO 607.5 0.0 76.4 NO 608.0 0.0 92.5 NO CBIN10372 A2 CI1713 Curb Inlet 630.8 635.5 4.7 630.9 0.0 0.0 NO 631.6 0.0 0.2 NO 635.6 0.0 11.2 NO 635.6 0.0 14.4 NO CLEN10275 A2 ZCO12009 Cleanout 640.9 659.2 18.3 644.6 1.0 113.2 NO 645.2 1.8 217.5 NO 646.1 2.7 369.4 NO 646.4 3.1 428.1 NO CBIN10373 A2 CI10202 Curb Inlet 655.1 659.2 4.1 655.5 4.3 4.3 NO 655.7 8.1 8.1 NO 655.8 12.3 12.3 NO 655.9 14.2 14.2 NO CBIN10374 A2 ZCI10207 Curb Inlet 660.3 664.3 4.0 660.3 0.0 0.0 NO 660.3 0.0 0.0 NO 660.3 0.0 0.0 NO 660.3 0.0 0.0 NO CBIN10375 A2 ZCI10689 Curb Inlet 657.4 662.0 4.6 657.7 1.4 1.4 NO 657.8 2.5 2.5 NO 657.9 3.8 3.8 NO 657.9 4.3 4.3 NO CBIN10376 A2 ZCI10208 Curb Inlet 653.1 660.3 7.2 653.5 1.6 3.0 NO 653.6 2.9 5.2 NO 653.7 4.4 8.0 NO 653.8 5.0 9.1 NO OTHR10228 A2 ZOTHER10198Other 654.1 660.5 6.4 654.1 0.0 0.0 NO 654.1 0.0 0.0 NO 654.1 0.0 0.0 NO 654.1 0.0 0.0 NO CBIN10377 A2 ZCI10717 Curb Inlet 652.0 660.2 8.3 652.5 0.0 3.0 NO 652.7 0.0 5.3 NO 652.8 0.0 8.0 NO 652.9 0.0 9.1 NO CBIN10378 A2 ZCI10209 Curb Inlet 651.0 662.4 11.4 651.5 2.2 5.1 NO 651.6 3.8 8.9 NO 651.8 6.1 13.8 NO 651.9 7.0 15.8 NO OTHR10229 A2 ZOTHER10199Other 657.4 664.0 6.5 657.4 0.0 0.0 NO 657.4 0.0 0.0 NO 657.4 0.0 0.0 NO 657.4 0.0 0.0 NO CLEN10276 A2 ZCO12010 Cleanout 646.3 657.5 11.2 646.9 1.7 9.4 NO 647.2 3.2 17.9 NO 647.4 5.2 28.1 NO 647.5 6.0 32.5 NO INLT10147 A2 ZINL10407 Inlet 656.6 660.6 4.0 656.9 1.1 2.8 NO 657.1 2.7 5.9 NO 657.2 4.2 9.4 NO 657.3 5.0 10.9 NO CLEN10277 A2 ZCO12013 Cleanout 694.4 702.1 7.7 695.6 3.2 28.6 NO 696.1 5.2 49.3 NO 702.1 7.7 71.1 NO 702.1 8.7 76.7 NO CLEN10278 A2 ZCO12014 Cleanout 695.4 701.8 6.4 696.6 0.0 25.7 NO 697.0 0.0 44.7 NO 701.8 0.0 65.8 NO 702.9 0.0 73.6 YES CBIN10379 A2 CI0860 Curb Inlet 696.9 700.9 4.0 696.9 0.0 0.0 NO 697.0 0.0 0.1 NO 701.0 0.0 2.4 NO 702.9 0.0 2.9 YES CLEN10279 A2 ZCO10416 Cleanout 696.4 701.0 4.6 697.6 2.3 26.3 NO 698.2 3.6 46.1 NO 702.2 5.3 64.9 YES 704.5 6.0 74.2 YES CBIN10380 A2 CI0903 Curb Inlet 697.0 701.0 4.0 698.7 23.4 23.4 NO 701.0 40.9 40.9 NO 706.6 64.8 64.8 YES 710.1 73.5 73.5 YES CBIN10381 A2 CI0902 Curb Inlet 696.4 700.6 4.2 696.6 0.0 0.1 NO 697.0 0.0 0.3 NO 700.8 0.0 3.6 NO 702.9 0.0 5.4 YES CLEN10280 A2 ZCO11689 Cleanout 629.7 645.0 15.4 632.0 3.0 66.0 NO 645.0 4.7 110.5 NO 645.2 6.9 147.7 NO 645.4 7.7 149.5 NO OTHR10230 A2 ZOTHER10213Other 628.9 650.4 21.5 631.3 0.0 71.4 NO 650.4 0.0 120.7 NO 650.4 0.0 170.0 NO 650.5 0.0 180.8 NO CLEN10281 A2 ZCO10426 Cleanout 626.0 647.7 21.7 628.3 10.8 80.3 NO 647.7 17.5 122.7 NO 647.7 26.1 151.8 NO 647.7 29.7 157.7 NO CLEN10282 A2 ZCO12518 Cleanout 693.5 698.7 5.2 695.1 2.3 28.0 NO 698.7 4.0 53.2 NO 703.4 5.9 80.2 YES 706.7 6.7 92.1 YES CLEN10283 A2 ZCO10452 Cleanout 688.8 697.2 8.4 690.6 1.0 66.0 NO 691.3 1.7 98.2 NO 697.3 2.5 122.4 NO 697.3 2.8 130.0 NO CLEN10284 A2 ZCO10453 Cleanout 684.3 690.9 6.5 686.9 7.4 68.8 NO 688.2 12.4 104.0 NO 691.4 18.5 134.5 NO 691.8 21.1 131.9 NO CLEN10285 A2 ZCO10454 Cleanout 682.8 689.3 6.5 685.6 12.4 77.9 NO 686.8 22.1 118.9 NO 689.4 33.4 158.6 NO 689.6 38.0 164.4 NO CLEN10286 A2 ZCO11703 Cleanout 680.4 687.6 7.2 680.4 0.0 0.0 NO 680.4 0.0 0.0 NO 680.4 0.0 0.0 NO 680.4 0.0 0.0 NO CLEN10287 A2 ZCO11704 Cleanout 714.3 719.9 5.5 715.5 0.0 8.5 NO 719.9 0.0 14.3 NO 720.2 0.0 21.0 NO 721.1 0.0 23.7 YES CLEN10288 A2 ZCO10455 Cleanout 662.5 669.4 6.9 664.0 1.5 21.0 NO 669.4 2.3 36.5 NO 670.0 3.5 55.6 NO 671.7 3.9 63.3 YES CLEN10289 A2 ZCO10456 Cleanout 665.3 675.6 10.3 666.2 3.5 13.5 NO 675.6 5.7 25.4 NO 680.2 8.6 42.2 YES 682.2 9.7 32.5 YES

APPENDIX E
EXISTING JUNCTIONS: SUMMARY TABLE
City of San Marcos Drainage Master Plan 23 of 132 April 2019 Facility ID Sub
Watershed
Original
Facility ID Type
Invert
Elevation
(feet)
Rim
Elevation
(feet)
Depth
(feet)
Max.

HGL
(2-year)
(feet)
Max.

Lateral
Inflow
(2-year)
(cfs)
Max.

Total
Inflow
(2-year)
(cfs)
Surcharging
(2-year)
Max. HGL
(10-year)
(feet)
Max.

Lateral
Inflow
(10-year)
(cfs)
Max.

Total
Inflow
(10-year)
(cfs)
Surcharging
(10-year)
Max. HGL
(50-year)
(feet)
Max.

Lateral
Inflow
(50-year)
(cfs)
Max. Total
Inflow
(50-year)
(cfs)
Surcharging
(50-year)
Max. HGL
(100-year)
(feet)
Max.

Lateral
Inflow
(100-year)
(cfs)
Max. Total
Inflow
(100-year)
(cfs)
Surcharging
(100-year)
Existing Condition Junctions Summary table
Dimensions 2-year 10-year 50-year 100-year
CLEN10290 A2 ZCO10457 Cleanout 657.6 665.1 7.5 665.1 0.0 23.0 NO 665.6 0.0 31.6 NO 669.7 0.0 36.8 YES 671.3 0.0 38.8 YES OTLT10023 A2 ZOUT10010 Outlet 745.8 749.8 4.0 746.9 0.0 5.9 NO 747.3 0.0 10.6 NO 751.2 0.0 14.6 YES 752.1 0.0 16.4 YES OTLT10024 A2 ZOUT10011 Outlet 721.0 725.0 4.0 722.4 0.0 3.2 NO 723.8 0.0 5.2 NO 724.6 0.0 7.9 NO 725.3 0.0 9.0 NO OTLT10025 A2 OUT010 Outlet 668.4 672.4 4.0 671.0 0.0 27.5 NO 671.9 0.0 48.8 NO 672.8 0.0 61.9 NO 673.1 0.0 67.6 NO INLT10148 A2 ZINL12821 Inlet 693.3 698.6 5.3 696.2 0.0 32.3 NO 697.5 0.0 46.1 NO 699.2 0.0 52.5 NO 699.8 0.0 51.7 YES INLT10149 A2 ZINL11238 Inlet 699.3 703.3 4.0 703.3 28.1 28.1 NO 711.3 47.9 47.9 YES 728.4 73.9 73.9 YES 737.0 84.3 84.3 YES INLT10150 A2 ZINL11239 Inlet 658.6 662.6 4.0 661.1 0.0 58.7 NO 661.7 0.0 86.4 NO 662.1 0.0 135.6 NO 662.2 0.0 131.4 NO CBIN10382 A2 CI1036 Curb Inlet 669.0 673.0 4.0 671.7 2.2 30.3 NO 673.0 3.5 51.5 NO 673.8 5.3 75.9 NO 674.3 6.0 86.8 YES OTLT10026 A2 OUT007 Outlet 681.1 685.1 4.0 683.6 4.9 84.5 NO 684.3 9.1 127.9 NO 684.7 14.2 171.4 NO 684.8 16.3 180.9 NO OTLT10027 A2 ZOUT10267 Outlet 694.3 702.8 8.5 696.1 0.0 30.9 NO 696.4 0.0 47.8 NO 702.8 0.0 70.2 NO 702.8 0.0 79.2 NO INLT10151 A2 ZINL11240 Inlet 710.2 715.6 5.4 711.1 0.0 6.8 NO 711.5 0.0 11.2 NO 715.6 0.0 17.5 NO 715.6 0.0 19.9 NO CBIN10383 A2 CI1708 Curb Inlet 747.9 751.9 4.0 748.6 5.9 5.9 NO 749.0 10.6 10.6 NO 753.7 16.4 16.4 YES 755.0 18.8 18.8 YES CBIN10384 A2 CI1709 Curb Inlet 746.1 750.7 4.6 747.1 0.0 5.9 NO 747.6 0.0 10.6 NO 751.5 0.0 15.2 NO 752.5 0.0 17.1 YES CBIN10385 A2 ZCI10691 Curb Inlet 721.8 725.8 4.0 722.5 0.0 0.0 NO 723.8 0.0 0.1 NO 724.7 0.0 0.1 NO 725.3 0.0 0.1 NO CBIN10386 A2 ZCI10229 Curb Inlet 721.4 725.4 4.0 722.5 3.3 3.3 NO 723.8 5.3 5.3 NO 724.7 7.9 7.9 NO 725.3 9.0 9.0 NO CBIN10387 A2 CI1035 Curb Inlet 669.6 673.6 4.0 672.8 28.1 28.1 NO 675.8 48.6 48.6 YES 680.4 72.2 72.2 YES 682.9 82.7 82.7 YES CBIN10388 A2 CI0228 Curb Inlet 698.8 702.8 4.0 703.0 1.8 18.1 NO 704.4 2.8 25.3 YES 706.3 4.0 31.9 YES 707.0 4.5 34.9 YES CBIN10389 A2 CI1366 Curb Inlet 712.1 716.1 4.0 712.1 0.0 0.0 NO 712.1 0.0 0.0 NO 712.1 0.0 0.0 NO 712.1 0.0 0.0 NO CBIN10390 A2 CI1365 Curb Inlet 711.4 715.4 4.0 711.4 0.0 0.0 NO 711.4 0.0 0.0 NO 711.4 0.0 0.0 NO 711.4 0.0 0.0 NO CBIN10391 A2 CI10246 Curb Inlet 669.9 675.3 5.4 669.9 0.0 0.0 NO 669.9 0.0 0.0 NO 669.9 0.0 0.0 NO 669.9 0.0 0.0 NO CBIN10392 A2 CI10247 Curb Inlet 658.8 663.2 4.4 660.3 0.0 0.3 NO 663.2 0.0 0.9 NO 663.2 0.0 1.4 NO 663.2 0.0 1.6 NO CBIN10393 A2 CI10668 Curb Inlet 658.6 662.6 4.0 660.1 0.0 0.1 NO 661.7 0.0 0.2 NO 662.6 0.0 0.8 NO 662.6 0.0 0.9 NO CBIN10394 A2 CI1378 Curb Inlet 687.3 693.9 6.6 688.2 9.5 9.5 NO 688.6 16.4 16.4 NO 689.1 24.8 24.8 NO 689.2 28.3 28.3 NO CBIN10395 A2 CI1377 Curb Inlet 687.0 694.1 7.1 687.7 10.2 19.7 NO 687.9 17.9 34.2 NO 688.2 27.5 52.9 NO 688.3 31.3 61.2 NO CBIN10396 A2 CI0255 Curb Inlet 661.6 665.6 4.0 663.3 0.0 21.1 NO 665.7 0.0 39.3 NO 665.8 0.0 53.0 NO 666.5 0.0 58.8 NO CBIN10397 A2 CI10248 Curb Inlet 697.7 701.7 4.0 699.5 3.0 31.5 NO 702.2 5.0 48.5 NO 709.4 7.7 70.6 YES 713.1 8.7 79.3 YES OTLT10028 A2 ZCBO10008 Outlet 708.8 711.8 3.0 709.0 0.0 6.8 NO 709.1 0.0 11.2 NO 709.1 0.0 17.5 NO 709.1 0.0 19.2 NO OTLT10029 A2 ZCBO10009 Outlet 705.6 709.6 4.0 706.1 9.6 9.6 NO 706.2 15.7 15.7 NO 706.3 23.4 23.4 NO 706.3 26.5 26.5 NO OTLT10030 A2 ZCBO10011 Outlet 711.6 715.6 4.0 711.9 0.0 8.4 NO 711.9 0.0 14.4 NO 712.0 0.0 19.7 NO 712.0 0.0 21.4 NO OTHR10231 A2 ZOTHER10245Other 657.6 663.2 5.7 660.2 0.0 58.8 NO 663.3 0.0 90.5 NO 663.3 0.0 138.7 NO 663.3 0.0 135.7 NO OTHR10232 A2 ZOTHER10246Other 657.3 662.8 5.5 660.0 2.9 60.4 NO 661.6 5.5 91.9 NO 662.8 8.8 142.8 NO 662.8 10.1 141.9 NO CBIN10398 A2 CI0459 Curb Inlet 627.6 631.6 4.0 628.1 4.8 4.8 NO 628.3 8.8 8.8 NO 628.5 13.1 13.1 NO 628.6 15.0 15.0 NO CBIN10399 A2 CI0226 Curb Inlet 625.9 630.1 4.1 626.5 0.0 4.8 NO 626.7 0.0 8.8 NO 626.9 0.0 13.1 NO 627.0 0.0 15.1 NO CBIN10400 A2 CI0225 Curb Inlet 625.0 629.0 4.0 625.7 5.7 5.7 NO 625.9 9.4 9.4 NO 626.2 14.3 14.3 NO 626.3 16.2 16.2 NO CBIN10401 A2 CI0224 Curb Inlet 624.0 628.9 4.9 624.9 1.1 11.4 NO 625.2 1.7 19.8 NO 625.5 2.5 29.8 NO 625.6 2.8 33.9 NO CBIN10402 A2 CI0944 Curb Inlet 622.5 629.9 7.4 623.5 4.0 15.3 NO 623.9 6.5 26.1 NO 624.4 9.6 39.1 NO 624.6 10.9 44.5 NO CBIN10403 A2 CI0188 Curb Inlet 722.6 726.9 4.3 722.6 0.0 0.0 NO 722.6 0.0 0.0 NO 722.9 0.0 0.2 NO 723.1 0.0 0.2 NO CBIN10404 A2 CI0190 Curb Inlet 722.1 726.1 4.0 722.5 8.6 8.6 NO 722.6 14.1 14.1 NO 722.9 21.0 21.1 NO 723.1 23.9 23.9 NO CBIN10405 A2 CI0671 Curb Inlet 691.8 696.1 4.3 694.5 9.3 38.1 NO 696.1 16.2 47.4 NO 697.9 24.4 51.0 YES 699.0 28.0 53.2 YES CBIN10406 A2 CI0668 Curb Inlet 690.3 696.2 5.9 692.8 0.0 63.7 NO 693.5 0.0 98.2 NO 696.8 0.0 120.8 NO 698.2 0.0 121.7 YES CBIN10407 A2 CI0429 Curb Inlet 685.7 692.1 6.3 688.1 0.0 64.7 NO 689.3 0.0 98.3 NO 692.9 0.0 124.3 NO 693.6 0.0 132.3 YES CBIN10408 A2 CI0428 Curb Inlet 684.3 688.7 4.4 685.6 0.0 0.2 NO 686.8 0.0 0.1 NO 689.6 0.0 11.7 NO 689.8 0.0 9.4 YES CBIN10409 A2 CI1374 Curb Inlet 690.7 697.0 6.3 697.8 22.2 34.5 NO 708.9 37.7 51.9 YES 726.8 58.4 76.4 YES 735.4 66.3 86.1 YES CBIN10410 A2 CI1373 Curb Inlet 697.3 701.3 4.0 698.5 12.3 12.3 NO 710.3 20.6 20.6 YES 729.2 30.5 30.5 YES 738.4 34.7 34.7 YES CBIN10411 A2 CI0186 Curb Inlet 692.3 696.3 4.1 693.4 0.0 17.5 NO 694.2 0.0 30.6 NO 697.7 0.0 46.0 YES 700.2 0.0 46.6 YES CBIN10412 A2 CI0276 Curb Inlet 718.0 722.0 4.0 718.5 6.8 6.8 NO 718.7 11.3 11.3 NO 718.9 16.9 16.9 NO 719.2 19.1 19.1 NO CBIN10413 A2 CI10251 Curb Inlet 718.3 722.3 4.0 719.9 0.0 27.5 NO 720.6 0.0 46.4 NO 721.3 0.0 66.0 NO 721.5 0.0 76.0 NO CBIN10414 A2 CI0203 Curb Inlet 678.0 685.1 7.1 678.3 0.0 0.0 NO 678.5 0.0 0.0 NO 686.6 0.0 7.9 YES 688.7 0.0 6.8 YES CBIN10415 A2 CI0204 Curb Inlet 677.8 685.2 7.4 678.3 4.1 4.1 NO 678.5 6.8 6.8 NO 686.6 10.2 15.5 YES 688.7 11.6 15.9 YES

APPENDIX E
EXISTING JUNCTIONS: SUMMARY TABLE
City of San Marcos Drainage Master Plan 24 of 132 April 2019 Facility ID Sub
Watershed
Original
Facility ID Type
Invert
Elevation
(feet)
Rim
Elevation
(feet)
Depth
(feet)
Max.

HGL
(2-year)
(feet)
Max.

Lateral
Inflow
(2-year)
(cfs)
Max.

Total
Inflow
(2-year)
(cfs)
Surcharging
(2-year)
Max. HGL
(10-year)
(feet)
Max.

Lateral
Inflow
(10-year)
(cfs)
Max.

Total
Inflow
(10-year)
(cfs)
Surcharging
(10-year)
Max. HGL
(50-year)
(feet)
Max.

Lateral
Inflow
(50-year)
(cfs)
Max. Total
Inflow
(50-year)
(cfs)
Surcharging
(50-year)
Max. HGL
(100-year)
(feet)
Max.

Lateral
Inflow
(100-year)
(cfs)
Max. Total
Inflow
(100-year)
(cfs)
Surcharging
(100-year)
Existing Condition Junctions Summary table
Dimensions 2-year 10-year 50-year 100-year
CBIN10416 A2 CI0588 Curb Inlet 657.8 664.4 6.6 664.4 5.9 5.9 NO 665.9 10.2 10.2 YES 670.1 15.5 15.5 YES 671.8 17.7 17.7 YES CBIN10417 A2 CI0589 Curb Inlet 657.0 664.0 7.0 664.0 4.2 25.8 NO 664.5 6.8 35.8 NO 667.9 10.2 43.0 YES 669.3 11.5 45.8 YES CBIN10418 A2 CI10252 Curb Inlet 672.0 685.8 13.8 672.7 6.1 10.1 NO 676.7 10.6 17.3 NO 686.0 16.2 27.4 NO 688.1 18.5 27.4 YES OTLT10031 A2 ZOUT10278 Outlet 657.3 662.9 5.6 660.0 3.6 63.0 NO 661.4 6.7 183.6 NO 661.6 10.1 210.4 NO 661.7 11.7 205.8 NO OTLT10032 A2 OUT008 Outlet 658.2 662.2 4.0 659.1 0.0 25.5 NO 659.5 0.0 48.9 NO 659.7 0.0 61.7 NO 659.7 0.0 68.3 NO CBIN10419 A2 CI0749 Curb Inlet 618.3 624.1 5.8 620.8 18.0 37.9 NO 624.7 28.2 69.5 NO 628.7 41.0 78.5 YES 629.8 46.1 89.4 YES CLEN10291 A2 ZCO11723 Cleanout 617.5 621.5 4.0 620.4 17.0 53.9 NO 623.2 27.7 92.3 YES 626.3 41.7 125.1 YES 628.2 47.6 134.5 YES CLEN10292 A2 ZCO11724 Cleanout 620.4 626.2 5.8 621.8 5.8 22.4 NO 626.3 9.0 41.9 NO 630.6 13.1 51.9 YES 632.1 14.7 62.7 YES CLEN10293 A2 ZCO12037 Cleanout 626.1 635.0 8.9 627.0 0.0 17.3 NO 627.4 0.0 30.8 NO 635.0 0.0 46.4 NO 635.1 0.0 67.3 NO CBIN10420 A2 CI0824 Curb Inlet 675.8 680.4 4.5 677.1 1.8 47.0 NO 678.5 2.8 79.6 NO 680.4 4.1 115.1 NO 681.0 4.6 124.9 NO CBIN10421 A2 CI0406 Curb Inlet 684.4 690.4 6.0 685.2 0.0 0.1 NO 685.5 0.0 0.1 NO 685.8 0.0 0.2 NO 685.9 0.0 0.5 NO CBIN10422 A2 CI0432 Curb Inlet 717.4 724.6 7.2 718.5 1.8 19.0 NO 719.0 3.0 32.9 NO 719.4 4.4 45.1 NO 724.6 5.0 55.1 NO CBIN10423 A2 CI0431 Curb Inlet 718.0 724.9 6.9 718.5 0.0 0.1 NO 719.0 0.0 0.1 NO 719.4 0.0 0.3 NO 724.9 0.0 0.3 NO CLEN10294 A2 ZCO12582 Cleanout 719.1 725.9 6.8 720.3 0.0 17.2 NO 720.7 0.0 30.0 NO 721.3 0.0 45.1 NO 725.9 0.0 50.6 NO CBIN10424 A2 CI0430 Curb Inlet 723.0 729.9 6.9 723.0 0.0 0.0 NO 723.1 0.0 0.1 NO 729.9 0.0 5.5 NO 729.9 0.0 7.4 NO CLEN10295 A2 ZCO10517 Cleanout 721.6 729.4 7.8 722.6 5.4 17.1 NO 723.1 9.8 30.0 NO 729.4 14.8 48.3 NO 729.4 16.8 53.9 NO CLEN10296 A2 ZCO10518 Cleanout 724.5 735.5 11.0 725.6 1.6 12.4 NO 726.1 2.5 21.5 NO 735.6 3.6 35.3 NO 735.6 4.1 34.7 NO CLEN10297 A2 ZCO11734 Cleanout 715.5 727.9 12.4 716.0 4.6 23.1 NO 716.2 8.9 41.0 NO 716.3 14.0 57.1 NO 716.4 16.1 67.6 NO INLT10152 A2 ZINL11735 Inlet 699.7 714.6 14.9 700.8 0.0 23.1 NO 701.3 0.0 41.0 NO 701.7 0.0 57.1 NO 702.3 0.0 67.5 NO OTLT10033 A2 ZOUT10411 Outlet 699.0 703.5 4.5 700.3 1.1 24.1 NO 700.7 1.8 42.8 NO 701.0 2.8 59.7 NO 701.2 3.2 72.1 NO INLT10153 A2 INL13097 Inlet 687.5 691.5 4.0 690.0 7.5 28.7 NO 693.1 15.2 37.9 YES 695.9 23.9 34.3 YES 697.0 27.5 36.1 YES CBIN10425 A2 CI0638 Curb Inlet 726.6 730.6 4.0 727.5 10.9 10.9 NO 727.9 19.1 19.1 NO 734.5 29.1 29.1 YES 736.7 33.2 33.2 YES CBIN10426 A2 CI0773 Curb Inlet 667.9 672.9 5.0 669.0 0.0 0.0 NO 670.1 0.0 0.1 NO 670.9 0.0 0.0 NO 671.1 0.0 0.0 NO INLT10154 A2 ZINL10983 Inlet 664.3 668.3 4.0 669.0 3.6 281.5 NO 670.1 6.3 465.1 YES 671.0 9.7 631.8 YES 671.2 11.1 683.3 YES OTLT10034 A2 ZOUT10279 Outlet 664.1 668.1 4.0 668.9 1.1 282.3 NO 669.9 1.7 467.1 YES 670.5 2.6 634.1 YES 670.6 2.9 685.8 YES CBIN10427 A2 CI0774 Curb Inlet 667.5 672.5 5.0 668.9 1.8 1.8 NO 669.9 3.4 3.4 NO 670.6 5.0 5.0 NO 670.8 5.8 5.8 NO CBIN10428 A2 CI0635 Curb Inlet 685.0 689.0 4.0 691.9 0.0 29.3 YES 697.6 0.0 40.8 YES 706.6 0.0 54.4 YES 710.8 0.0 59.8 YES INLT10155 A2 ZINL11868 Inlet 651.4 655.4 4.0 651.7 0.7 0.7 NO 651.8 1.1 1.1 NO 655.5 1.6 5.9 NO 656.2 1.8 8.4 NO CLEN10298 A2 ZCO10984 Cleanout 639.4 647.4 8.0 641.1 1.0 39.6 NO 641.6 1.6 58.9 NO 647.8 2.4 68.1 NO 650.5 2.7 72.0 YES OTLT10035 A2 OUT009 Outlet 667.8 674.0 6.2 671.7 0.0 35.6 NO 674.1 0.0 99.7 NO 674.1 0.0 87.8 NO 674.1 0.0 96.7 NO INLT10156 A2 ZINL11257 Inlet 669.8 674.4 4.6 676.4 39.8 39.8 YES 683.7 70.1 70.1 YES 694.9 104.5 104.5 YES 702.6 122.2 122.2 YES OTLT10036 A2 OUT10333 Outlet 668.5 672.5 4.0 671.5 0.0 30.3 NO 672.4 0.0 51.5 NO 672.8 0.0 75.8 NO 672.9 0.0 86.8 NO CBIN10429 A2 CI10682 Curb Inlet 702.2 708.4 6.2 703.3 0.0 6.6 NO 703.8 0.0 10.9 NO 708.6 0.0 18.3 NO 709.9 0.0 18.0 YES CBIN10430 A2 CI10285 Curb Inlet 702.7 708.5 5.8 703.8 6.6 6.6 NO 704.5 10.9 10.9 NO 709.6 16.5 16.5 YES 711.4 18.6 18.6 YES CLEN10299 A2 ZCO10525 Cleanout 701.7 708.9 7.2 703.1 10.0 16.4 NO 703.6 16.9 27.5 NO 708.9 25.0 47.9 NO 709.8 28.4 44.9 NO CLEN10300 A2 ZCO10526 Cleanout 664.0 674.5 10.5 671.6 2.0 32.2 NO 674.6 3.3 56.1 NO 674.6 4.9 62.2 NO 674.7 5.6 67.1 NO CLEN10301 A2 ZCO11547 Cleanout 668.1 679.2 11.1 679.2 15.1 29.4 NO 679.3 24.4 50.0 NO 683.2 36.5 64.5 YES 685.0 41.3 70.3 YES CLEN10302 A2 ZCO11548 Cleanout 677.6 685.9 8.4 678.7 3.3 20.3 NO 686.3 5.3 37.1 NO 694.3 7.8 45.9 YES 698.8 8.8 51.2 YES CLEN10303 A2 ZCO11549 Cleanout 685.0 693.7 8.7 686.2 19.0 19.0 NO 693.8 33.4 33.4 NO 704.7 51.4 51.4 YES 711.6 59.1 59.1 YES INLT10157 A2 ZINL11740 Inlet 680.8 688.9 8.1 680.8 0.0 0.0 NO 680.8 0.0 0.0 NO 680.8 0.0 0.0 NO 680.8 0.0 0.0 NO CBIN10431 A2 CI0822 Curb Inlet 677.5 681.5 4.0 677.5 0.0 0.0 NO 677.5 0.0 0.0 NO 677.5 0.0 0.0 NO 677.5 0.0 0.0 NO CBIN10432 A2 CI0257 Curb Inlet 670.3 674.7 4.4 670.3 0.0 0.0 NO 670.3 0.0 0.0 NO 670.3 0.0 0.0 NO 670.3 0.0 0.0 NO CLEN10304 A2 ZCO10527 Cleanout 671.7 675.8 4.1 671.7 0.0 0.0 NO 671.7 0.0 0.0 NO 671.7 0.0 0.0 NO 671.7 0.0 0.0 NO CLEN10305 A2 ZCO10528 Cleanout 654.8 661.0 6.2 655.4 2.2 10.9 NO 655.6 3.4 17.5 NO 655.7 5.0 25.9 NO 655.8 5.6 29.3 NO CLEN10306 A2 ZCO10529 Cleanout 635.8 642.8 7.0 636.6 0.0 10.8 NO 636.9 0.0 17.4 NO 637.2 0.0 25.7 NO 637.3 0.0 29.0 NO OTHR10233 A2 ZOTHER10287Other 644.6 655.7 11.1 647.6 4.9 777.4 NO 648.7 8.0 1443.8 NO 649.4 12.0 1882.2 NO 650.1 13.6 2379.7 NO CBIN10433 A2 CI1478 Curb Inlet 656.6 660.6 4.0 656.6 0.0 0.0 NO 657.0 0.0 3.2 NO 657.8 0.0 6.4 NO 660.9 0.0 12.1 NO CBIN10434 A2 CI0832 Curb Inlet 659.4 666.9 7.6 661.0 0.0 40.5 NO 661.7 0.0 68.2 NO 669.3 0.0 93.9 YES 671.2 0.0 92.4 YES CBIN10435 A2 CI0113 Curb Inlet 666.7 672.2 5.5 668.1 9.1 37.3 NO 668.7 15.2 63.1 NO 674.7 22.8 85.6 YES 677.7 25.9 94.1 YES

APPENDIX E
EXISTING JUNCTIONS: SUMMARY TABLE
City of San Marcos Drainage Master Plan 25 of 132 April 2019 Facility ID Sub
Watershed
Original
Facility ID Type
Invert
Elevation
(feet)
Rim
Elevation
(feet)
Depth
(feet)
Max.

HGL
(2-year)
(feet)
Max.

Lateral
Inflow
(2-year)
(cfs)
Max.

Total
Inflow
(2-year)
(cfs)
Surcharging
(2-year)
Max. HGL
(10-year)
(feet)
Max.

Lateral
Inflow
(10-year)
(cfs)
Max.

Total
Inflow
(10-year)
(cfs)
Surcharging
(10-year)
Max. HGL
(50-year)
(feet)
Max.

Lateral
Inflow
(50-year)
(cfs)
Max. Total
Inflow
(50-year)
(cfs)
Surcharging
(50-year)
Max. HGL
(100-year)
(feet)
Max.

Lateral
Inflow
(100-year)
(cfs)
Max. Total
Inflow
(100-year)
(cfs)
Surcharging
(100-year)
Existing Condition Junctions Summary table
Dimensions 2-year 10-year 50-year 100-year
CBIN10436 A2 CI0112 Curb Inlet 667.7 671.7 4.0 668.8 12.4 12.4 NO 669.2 20.6 20.6 NO 675.2 31.4 31.4 YES 678.4 35.7 35.7 YES CLEN10307 A2 ZCO10530 Cleanout 668.5 676.0 7.5 676.0 15.9 15.9 NO 676.0 27.5 27.5 NO 684.6 41.9 41.9 YES 690.3 47.8 47.8 YES CBIN10437 A2 CI0814 Curb Inlet 663.8 668.9 5.1 664.8 0.0 37.4 NO 665.2 0.0 63.2 NO 670.5 0.0 81.0 YES 672.7 0.0 89.3 YES CBIN10438 A2 CI0156 Curb Inlet 653.7 657.7 4.0 653.7 0.0 0.0 NO 653.7 0.0 0.0 NO 653.7 0.0 0.0 NO 653.7 0.0 0.0 NO INLT10158 A2 ZINL12826 Inlet 655.2 659.2 4.0 655.2 0.0 0.0 NO 655.2 0.0 0.0 NO 655.2 0.0 0.0 NO 655.2 0.0 0.0 NO CBIN10439 A2 CI0219 Curb Inlet 646.3 650.8 4.5 646.3 0.0 0.0 NO 646.3 0.0 0.0 NO 646.3 0.0 0.0 NO 646.3 0.0 0.0 NO INLT10159 A2 ZINL10531 Inlet 645.3 649.3 4.0 645.3 0.0 0.0 NO 645.3 0.0 0.0 NO 645.3 0.0 0.0 NO 645.3 0.0 0.0 NO OTLT10037 A2 OUT087 Cleanout 635.8 639.8 4.0 636.3 7.8 7.8 NO 636.4 13.6 13.6 NO 636.6 20.7 20.7 NO 636.6 23.6 23.6 NO CBIN10440 A2 CI10302 Curb Inlet 716.8 729.6 12.8 717.9 0.0 9.1 NO 729.6 0.0 23.5 NO 729.6 0.0 24.5 NO 729.6 0.0 25.0 NO CLEN10308 A2 ZCO10533 Cleanout 715.0 720.0 5.0 715.5 0.0 9.1 NO 715.8 0.0 21.2 NO 720.0 0.0 29.7 NO 722.7 0.0 27.8 YES CBIN10441 A2 CI1704 Curb Inlet 751.7 755.7 4.0 751.7 0.0 0.0 NO 751.7 0.0 0.0 NO 751.7 0.0 0.0 NO 751.8 0.0 1.1 NO INLT10160 A2 ZINL11262 Inlet 765.1 769.1 4.0 765.1 0.0 0.0 NO 765.1 0.0 0.0 NO 765.1 0.0 0.0 NO 765.1 0.0 0.0 NO CLEN10309 A2 ZCO11263 Cleanout 755.6 764.5 8.9 755.6 0.0 0.0 NO 755.6 0.0 0.0 NO 755.6 0.0 0.0 NO 755.6 0.0 0.0 NO CBIN10442 A2 CI1705 Curb Inlet 748.4 755.2 6.8 749.3 10.5 10.5 NO 749.6 18.7 18.7 NO 750.0 28.7 28.7 NO 755.2 32.8 32.8 NO OTLT10038 A2 OUT10258 Outlet 744.9 748.9 4.0 745.5 0.0 10.5 NO 745.7 0.0 18.7 NO 745.9 0.0 28.6 NO 745.9 0.0 32.9 NO CBOL10002 A2 ZCBO10022 Curb Outlet 740.7 744.7 4.0 740.9 0.8 9.3 NO 741.0 1.3 18.0 NO 741.0 2.0 27.7 NO 741.1 2.3 31.9 NO CBIN10443 A2 CI10831 Curb Inlet 703.4 709.4 6.1 705.6 28.9 53.1 NO 708.0 51.9 102.6 NO 712.5 76.7 150.1 YES 716.1 87.7 165.4 YES INLT10161 A2 INL071 Inlet 705.5 710.4 4.9 706.0 22.8 22.8 NO 708.1 44.2 44.2 NO 712.6 69.7 69.7 YES 716.2 79.7 79.7 YES CBIN10444 A2 CI10303 Curb Inlet 704.5 708.5 4.0 705.7 2.1 2.1 NO 708.5 3.6 3.6 NO 713.0 5.3 9.7 YES 716.3 6.0 13.2 YES CBIN10445 A2 CI10832 Curb Inlet 702.1 710.0 7.9 703.4 0.0 53.0 NO 704.1 0.0 102.6 NO 710.1 0.0 152.2 NO 712.5 0.0 154.4 YES CBIN10446 A2 CI0906 Curb Inlet 689.0 693.0 4.0 689.9 5.9 5.9 NO 690.3 10.4 10.4 NO 690.9 15.7 15.7 NO 693.0 17.9 17.9 NO CLEN10310 A2 ZCO11054 Cleanout 692.0 699.4 7.3 694.9 0.9 53.8 NO 699.4 1.5 102.6 NO 699.5 2.3 145.7 NO 699.9 2.6 152.8 NO CLEN10311 A2 ZCO11055 Cleanout 688.2 693.0 4.8 689.1 0.0 5.8 NO 689.7 0.0 10.3 NO 690.4 0.0 15.5 NO 693.0 0.0 18.3 NO CBIN10447 A2 CI10305 Curb Inlet 630.5 634.9 4.4 630.5 0.0 0.0 NO 630.7 0.0 3.3 NO 630.8 0.0 4.6 NO 630.8 0.0 4.4 NO OTLT10039 A2 ZOUT10323 Outlet 628.2 632.2 4.0 630.7 0.0 264.2 NO 632.3 0.0 573.8 NO 632.5 0.0 557.8 NO 632.6 0.0 581.0 NO OTHR10234 A2 ZOTHER10302Other 618.2 634.3 16.1 622.0 2.1 276.3 NO 634.5 3.6 713.4 NO 634.6 5.4 692.5 NO 634.6 6.2 638.6 NO INLT10162 A2 ZOTHER11734Inlet 616.7 635.3 18.6 621.8 2.4 1112.0 NO 624.2 3.7 1958.9 NO 626.3 5.4 2828.4 NO 627.0 6.0 3160.7 NO CBIN10448 A2 CI0818 Curb Inlet 624.8 632.5 7.7 624.8 0.0 0.0 NO 625.1 0.0 0.0 NO 629.3 0.0 3.7 NO 630.1 0.0 4.4 NO INLT10163 A2 INL11264 Inlet 627.9 631.9 4.0 630.1 13.9 272.8 NO 632.0 23.0 564.3 NO 632.3 35.1 575.0 NO 632.2 40.3 599.8 NO OTHR10235 A2 ZOTHER10306Other 678.9 682.9 4.0 678.9 0.0 0.0 NO 678.9 0.0 0.0 NO 679.0 0.0 0.3 NO 682.9 0.0 0.9 NO CLEN10312 A2 ZCO12599 Cleanout 674.0 680.4 6.4 676.7 2.0 60.4 NO 677.9 3.1 100.6 NO 680.4 4.6 171.0 NO 680.4 5.1 162.7 NO CBIN10449 A2 CI1602 Curb Inlet 676.1 680.3 4.2 676.8 0.0 0.3 NO 678.1 0.0 0.5 NO 680.4 0.0 8.9 NO 680.4 0.0 1.4 NO CBIN10450 A2 CI0830 Curb Inlet 675.3 681.1 5.8 675.3 0.0 0.0 NO 675.3 0.0 0.0 NO 675.3 0.0 0.0 NO 675.3 0.0 0.0 NO CBIN10451 A2 CI0823 Curb Inlet 704.2 708.2 4.0 704.7 3.4 11.6 NO 704.8 5.4 19.1 NO 704.9 7.8 27.9 NO 704.9 8.8 31.6 NO OTHR10236 A2 ZOTHER10307Other 674.6 680.5 5.9 676.8 2.7 49.1 NO 678.1 4.2 81.6 NO 680.5 6.2 137.9 NO 680.5 7.0 132.3 NO INLT10164 A2 ZINL12059 Inlet 602.8 608.1 5.3 603.6 0.0 0.1 NO 604.5 0.0 0.1 NO 605.9 0.0 0.1 NO 606.7 0.0 0.0 NO INLT10165 A2 INL13091 Inlet 601.0 606.6 5.6 603.3 0.0 225.2 NO 604.3 0.0 353.2 NO 605.4 0.0 566.9 NO 606.0 0.0 643.8 NO OTHR10237 A2 ZOTHER10308Other 600.8 606.4 5.6 603.3 3.0 250.9 NO 604.2 4.7 400.1 NO 605.4 6.8 641.8 NO 605.9 7.6 727.1 NO OTHR10238 A2 ZOTHER10309Other 600.3 606.1 5.7 602.8 1.7 246.7 NO 603.8 2.6 400.3 NO 605.1 3.8 643.1 NO 605.6 4.2 728.8 NO CBIN10452 A2 CI10308 Curb Inlet 613.5 617.5 4.0 614.0 1.9 3.1 NO 614.1 3.1 5.0 NO 614.2 4.7 7.5 NO 614.2 5.4 8.5 NO CBIN10453 A2 CI10309 Curb Inlet 614.4 619.0 4.6 614.7 1.2 1.2 NO 614.8 1.9 1.9 NO 614.9 2.8 2.8 NO 615.0 3.2 3.2 NO INLT10166 A2 ZINL11270 Inlet 617.0 627.1 10.2 617.0 0.0 0.0 NO 617.0 0.0 0.0 NO 617.0 0.0 0.0 NO 617.0 0.0 0.0 NO CLEN10313 A2 ZCO12827 Cleanout 615.2 625.9 10.7 616.0 9.5 9.5 NO 616.3 17.3 17.3 NO 616.6 27.5 27.5 NO 616.7 31.4 31.4 NO INLT10167 A2 ZINL12828 Inlet 616.7 625.7 9.0 616.7 0.0 0.0 NO 616.7 0.0 0.0 NO 616.7 0.0 0.0 NO 616.7 0.0 0.0 NO CBIN10454 A2 CI0812 Curb Inlet 615.8 623.0 7.2 617.0 21.3 21.3 NO 617.4 34.7 34.7 NO 618.1 51.6 51.6 NO 623.0 58.6 58.6 NO CBIN10455 A2 CI0831 Curb Inlet 613.6 623.6 10.1 615.0 2.4 30.3 NO 615.5 3.7 49.4 NO 616.7 5.4 70.3 NO 618.0 6.1 83.9 NO CBIN10456 A2 CI0815 Curb Inlet 622.8 626.8 4.0 624.7 12.3 12.3 NO 629.1 20.2 20.2 YES 634.8 30.5 30.5 YES 637.1 34.7 34.7 YES CBIN10457 A2 CI0834 Curb Inlet 622.0 626.6 4.6 624.5 8.1 19.8 NO 628.5 13.1 31.0 YES 633.2 19.5 45.0 YES 635.3 22.2 51.4 YES CLEN10314 A2 ZCO12062 Cleanout 620.5 627.2 6.7 623.8 1.3 105.5 NO 627.4 1.9 169.6 NO 629.1 2.8 194.1 YES 630.4 3.1 205.1 YES

APPENDIX E
EXISTING JUNCTIONS: SUMMARY TABLE
City of San Marcos Drainage Master Plan 26 of 132 April 2019 Facility ID Sub
Watershed
Original
Facility ID Type
Invert
Elevation
(feet)
Rim
Elevation
(feet)
Depth
(feet)
Max.

HGL
(2-year)
(feet)
Max.

Lateral
Inflow
(2-year)
(cfs)
Max.

Total
Inflow
(2-year)
(cfs)
Surcharging
(2-year)
Max. HGL
(10-year)
(feet)
Max.

Lateral
Inflow
(10-year)
(cfs)
Max.

Total
Inflow
(10-year)
(cfs)
Surcharging
(10-year)
Max. HGL
(50-year)
(feet)
Max.

Lateral
Inflow
(50-year)
(cfs)
Max. Total
Inflow
(50-year)
(cfs)
Surcharging
(50-year)
Max. HGL
(100-year)
(feet)
Max.

Lateral
Inflow
(100-year)
(cfs)
Max. Total
Inflow
(100-year)
(cfs)
Surcharging
(100-year)
Existing Condition Junctions Summary table
Dimensions 2-year 10-year 50-year 100-year
CLEN10315 A2 ZCO12063 Cleanout 590.1 599.6 9.5 592.0 1.6 58.8 NO 592.6 2.6 93.1 NO 593.0 3.8 114.8 NO 593.1 4.3 120.5 NO CLEN10316 A2 ZCO12600 Cleanout 590.9 602.1 11.3 594.1 5.5 57.5 NO 602.1 9.0 90.6 NO 602.1 13.5 111.8 NO 602.4 15.4 119.4 NO INLT10168 A2 ZINL10545 Inlet 587.6 597.0 9.4 589.3 0.0 59.0 NO 589.8 0.0 92.0 NO 590.1 0.0 114.2 NO 590.2 0.0 120.4 NO OTLT10040 A2 OUT030 Outlet 581.3 590.3 9.1 581.6 1.1 12.9 NO 581.6 1.7 20.4 NO 581.7 2.6 29.9 NO 581.7 2.9 33.7 NO CBIN10458 A2 CI10314 Curb Inlet 634.3 638.5 4.3 634.3 0.0 0.0 NO 634.3 0.0 0.0 NO 634.3 0.0 0.0 NO 634.3 0.0 0.0 NO OTHR10239 A2 ZOTHER10315Other 619.1 634.8 15.7 623.8 0.0 938.4 NO 626.1 0.0 1693.2 NO 634.8 0.0 2346.7 NO 634.8 0.0 2686.3 NO OTHR10240 A2 ZOTHER10317Other 574.5 583.7 9.1 578.2 0.0 261.3 NO 578.6 0.0 316.0 NO 579.5 0.0 419.2 NO 579.8 0.0 444.5 NO INLT10169 A2 INL036 Inlet 578.9 582.9 4.0 579.9 13.4 13.4 NO 580.2 22.6 22.6 NO 580.7 34.0 34.0 NO 580.8 38.8 38.8 NO INLT10170 A2 INL10549 Inlet 580.3 584.3 4.0 580.6 2.0 2.0 NO 580.7 3.0 3.0 NO 580.8 4.4 4.4 NO 580.9 4.9 4.9 NO OTHR10241 A2 ZOTHER10318Other 574.9 584.1 9.2 578.5 0.0 251.7 NO 579.0 0.0 306.0 NO 579.9 0.0 405.7 NO 580.1 0.0 427.8 NO CBIN10459 A2 CI0977 Curb Inlet 582.7 587.2 4.5 582.9 0.7 0.7 NO 583.0 1.1 1.1 NO 583.7 1.7 1.7 NO 583.9 1.9 1.9 NO OTHR10242 A2 ZOTHER10319Other 578.6 588.1 9.5 582.1 0.0 244.9 NO 582.5 0.0 304.5 NO 583.4 0.0 390.5 NO 583.7 0.0 411.1 NO OTHR10243 A2 ZOTHER10320Other 579.5 587.3 7.8 582.3 0.4 244.8 NO 582.8 0.7 304.5 NO 583.6 0.9 389.4 NO 583.8 1.1 409.9 NO OTHR10244 A2 ZOTHER10321Other 579.8 587.6 7.8 583.0 0.4 244.1 NO 583.5 0.7 303.5 NO 584.3 1.0 388.4 NO 584.5 1.1 408.3 NO CLEN10317 A2 ZCO12067 Cleanout 586.3 590.3 4.0 586.5 0.5 1.6 NO 586.6 0.8 2.5 NO 586.7 1.2 3.7 NO 586.7 1.3 4.2 NO OTHR10245 A2 ZOTHER10322Other 587.0 592.0 5.0 587.2 1.1 1.1 NO 587.3 1.7 1.7 NO 587.4 2.6 2.6 NO 587.4 2.9 2.9 NO CBIN10460 A2 CI0770 Curb Inlet 625.3 633.9 8.6 625.3 0.0 0.0 NO 625.3 0.0 0.0 NO 625.3 0.0 0.0 NO 625.3 0.0 0.0 NO CLEN10318 A2 ZCO12831 Cleanout 610.3 619.3 9.0 611.1 13.8 13.8 NO 611.3 22.0 22.0 NO 611.6 32.6 32.6 NO 611.8 36.9 36.9 NO CLEN10319 A2 ZCO11550 Cleanout 606.2 618.9 12.7 606.9 0.0 13.8 NO 607.0 0.0 22.0 NO 607.2 0.0 32.5 NO 607.3 0.0 36.8 NO CBIN10461 A2 CI0769 Curb Inlet 597.7 615.3 17.5 598.7 2.3 15.9 NO 599.0 3.5 25.2 NO 599.3 5.0 37.2 NO 599.5 5.7 42.0 NO INLT10171 A2 ZINL10987 Inlet 623.3 627.3 4.0 623.3 0.0 0.0 NO 623.3 0.0 0.0 NO 623.3 0.0 0.0 NO 623.3 0.0 0.0 NO CBIN10462 A2 CI0816 Curb Inlet 668.3 672.3 4.0 668.3 0.0 0.0 NO 668.3 0.0 0.0 NO 668.3 0.0 0.0 NO 668.3 0.0 0.0 NO CBIN10463 A2 CI0809 Curb Inlet 663.8 672.5 8.7 663.8 0.0 0.0 NO 663.8 0.0 0.0 NO 663.8 0.0 0.0 NO 663.8 0.0 0.0 NO OTLT10041 A2 ZOUT10328 Outlet 662.1 666.1 4.0 662.1 0.0 0.0 NO 662.1 0.0 0.0 NO 662.1 0.0 0.0 NO 662.1 0.0 0.0 NO INLT10172 A2 ZINL11277 Inlet 715.3 721.3 6.0 715.5 0.0 0.0 NO 715.9 0.0 0.5 NO 721.4 0.0 8.4 NO 722.7 0.0 8.2 YES CBIN10464 A2 CI1706 Curb Inlet 710.8 721.2 10.4 711.9 13.4 13.4 NO 714.8 24.3 24.3 NO 721.5 37.6 37.6 NO 726.0 42.8 42.8 YES INLT10173 A2 ZINL10563 Inlet 712.3 721.5 9.2 712.3 0.0 0.0 NO 712.3 0.0 0.0 NO 721.6 0.0 16.3 NO 724.5 0.0 16.7 YES CBIN10465 A2 CI0373 Curb Inlet 684.7 689.8 5.1 684.7 0.0 0.0 NO 684.7 0.0 0.0 NO 684.7 0.0 0.0 NO 686.2 0.0 3.7 NO CBIN10466 A2 CI0372 Curb Inlet 682.7 689.9 7.2 683.5 12.5 12.5 NO 683.9 22.9 22.9 NO 684.4 35.3 35.3 NO 689.9 40.5 40.9 NO CLEN10320 A2 ZCO11060 Cleanout 685.0 693.9 8.9 686.9 0.0 89.4 NO 687.9 0.0 161.7 NO 694.0 0.0 257.7 NO 695.3 0.0 266.5 YES INLT10174 A2 INL13152 Inlet 651.8 655.8 4.0 652.9 0.0 42.4 NO 653.2 0.0 65.7 NO 653.5 0.0 82.2 NO 653.6 0.0 90.5 NO INLT10175 A2 ZINL10564 Inlet 652.0 656.0 4.0 652.8 6.1 6.1 NO 653.3 11.8 11.8 NO 653.8 18.4 18.4 NO 654.3 21.2 21.2 NO OTHR10246 A2 ZOTHER10341Other 644.7 657.5 12.8 650.6 0.0 520.1 NO 657.8 0.0 1106.8 NO 658.3 0.0 1666.9 NO 659.9 0.0 2006.2 YES CBIN10467 A2 CI1479 Curb Inlet 653.4 659.7 6.3 653.4 0.0 0.0 NO 653.7 0.0 0.9 NO 660.3 0.0 15.2 NO 661.2 0.0 17.4 YES CBIN10468 A2 CI1472 Curb Inlet 660.6 665.1 4.5 660.6 0.0 0.0 NO 660.6 0.0 0.0 NO 660.6 0.0 0.0 NO 666.1 0.0 12.6 YES OTHR10247 A2 ZOTHER10343Other 653.8 664.9 11.1 656.7 2.5 483.2 NO 658.1 4.0 950.6 NO 660.6 5.8 1586.3 NO 666.0 6.6 1900.2 YES CBIN10469 A2 CI1477 Curb Inlet 651.1 655.9 4.8 651.1 0.0 0.0 NO 655.9 0.0 5.7 NO 656.7 0.0 15.8 NO 657.3 0.0 23.5 YES OTHR10248 A2 ZOTHER10344Other 644.7 655.8 11.1 650.0 0.0 677.7 NO 652.4 0.0 1299.0 NO 657.1 0.0 1791.1 YES 657.7 0.0 2333.4 YES CBIN10470 A2 CI1469 Curb Inlet 667.3 675.2 7.9 667.3 0.0 0.0 NO 667.3 0.0 0.0 NO 667.3 0.0 0.0 NO 675.4 0.0 15.0 NO CBIN10471 A2 CI0582 Curb Inlet 671.8 676.4 4.7 671.8 0.0 0.0 NO 671.8 0.0 0.0 NO 671.8 0.0 0.0 NO 671.8 0.0 0.0 NO CBIN10472 A2 CI0581 Curb Inlet 668.2 676.3 8.0 668.9 10.4 10.4 NO 669.2 18.3 18.3 NO 669.5 27.9 27.9 NO 669.8 31.8 31.8 NO CLEN10321 A2 ZCO10988 Cleanout 664.1 668.6 4.4 664.9 0.0 10.4 NO 665.2 0.0 18.2 NO 665.5 0.0 27.8 NO 669.4 0.0 31.7 NO OTHR10249 A2 ZOTHER10345Other 657.1 668.2 11.1 659.9 0.0 482.9 NO 661.3 0.0 949.5 NO 663.3 0.0 1556.0 NO 669.3 0.0 1884.1 YES OTHR10250 A2 ZOTHER10346Other 664.9 677.7 12.8 665.7 0.0 10.4 NO 666.0 0.0 18.2 NO 666.3 0.0 27.7 NO 677.7 0.0 31.8 NO CBIN10473 A2 CI1476 Curb Inlet 650.2 654.2 4.0 650.2 0.0 0.0 NO 650.2 0.0 0.0 NO 650.2 0.0 0.0 NO 654.3 0.0 14.7 NO OTHR10251 A2 ZOTHER10349Other 647.3 656.3 9.1 647.3 0.0 0.0 NO 647.3 0.0 0.0 NO 647.3 0.0 0.0 NO 649.8 0.0 45.1 NO OTHR10252 A2 ZOTHER10350Other 644.5 658.6 14.1 644.9 0.0 21.0 NO 645.0 0.0 36.4 NO 645.9 0.0 58.6 NO 658.7 0.0 87.6 NO OTHR10253 A2 ZOTHER10351Other 624.7 655.6 30.8 629.6 1.4 682.5 NO 632.0 2.3 1219.0 NO 646.1 3.5 1695.9 NO 649.7 4.0 1980.0 NO CBIN10474 A2 CI1470 Curb Inlet 632.0 639.3 7.3 632.0 0.0 0.0 NO 632.0 0.0 0.0 NO 632.0 0.0 0.0 NO 632.0 0.0 0.0 NO

APPENDIX E
EXISTING JUNCTIONS: SUMMARY TABLE
City of San Marcos Drainage Master Plan 27 of 132 April 2019 Facility ID Sub
Watershed
Original
Facility ID Type
Invert
Elevation
(feet)
Rim
Elevation
(feet)
Depth
(feet)
Max.

HGL
(2-year)
(feet)
Max.

Lateral
Inflow
(2-year)
(cfs)
Max.

Total
Inflow
(2-year)
(cfs)
Surcharging
(2-year)
Max. HGL
(10-year)
(feet)
Max.

Lateral
Inflow
(10-year)
(cfs)
Max.

Total
Inflow
(10-year)
(cfs)
Surcharging
(10-year)
Max. HGL
(50-year)
(feet)
Max.

Lateral
Inflow
(50-year)
(cfs)
Max. Total
Inflow
(50-year)
(cfs)
Surcharging
(50-year)
Max. HGL
(100-year)
(feet)
Max.

Lateral
Inflow
(100-year)
(cfs)
Max. Total
Inflow
(100-year)
(cfs)
Surcharging
(100-year)
Existing Condition Junctions Summary table
Dimensions 2-year 10-year 50-year 100-year
INLT10176 A2 ZINL10568 Inlet 634.3 638.6 4.3 634.3 0.0 0.0 NO 634.3 0.0 0.0 NO 634.3 0.0 0.0 NO 634.3 0.0 0.0 NO INLT10177 A2 ZINL10569 Inlet 635.9 641.0 5.1 635.9 0.0 0.0 NO 635.9 0.0 0.0 NO 635.9 0.0 0.0 NO 635.9 0.0 0.0 NO OTHR10254 A2 ZOTHER10352Other 620.1 639.1 18.9 624.8 0.0 937.6 NO 627.1 0.0 1693.0 NO 629.0 0.0 2402.6 NO 630.6 0.0 2651.8 NO CBIN10475 A2 CI1473 Curb Inlet 636.3 645.8 9.5 636.9 0.0 7.8 NO 637.1 0.0 13.8 NO 637.3 0.0 20.9 NO 637.4 0.0 24.1 NO OTHR10255 A2 ZOTHER10357Other 622.6 646.1 23.5 627.2 4.7 955.4 NO 629.6 8.3 1736.9 NO 631.0 12.8 2980.9 NO 633.1 14.7 3680.4 NO INLT10178 A2 ZINL12081 Inlet 649.1 656.4 7.3 649.2 0.0 0.0 NO 649.2 0.0 0.0 NO 649.2 0.0 0.0 NO 649.4 0.0 1.0 NO INLT10179 A2 ZINL12082 Inlet 672.5 677.6 5.2 672.5 0.0 0.0 NO 672.5 0.0 0.0 NO 672.5 0.0 0.0 NO 672.5 0.0 0.0 NO INLT10180 A2 INL044 Inlet 662.2 666.2 4.0 664.1 0.0 105.9 NO 665.1 0.0 220.7 NO 666.0 0.0 352.5 NO 666.4 0.0 414.8 NO CBIN10476 A2 CI10325 Curb Inlet 685.0 691.6 6.5 685.7 0.0 10.5 NO 686.0 0.0 23.1 NO 686.4 0.0 37.0 NO 686.6 0.0 43.0 NO CBIN10477 A2 CI10326 Curb Inlet 683.5 691.7 8.2 684.5 0.0 10.5 NO 685.2 0.0 23.2 NO 685.7 0.0 37.1 NO 685.9 0.0 43.0 NO OTHR10256 A2 ZOTHER10364Other 661.4 689.3 27.9 663.4 2.7 108.9 NO 664.4 5.7 227.2 NO 665.3 8.9 363.5 NO 665.7 10.2 427.5 NO OTHR10257 A2 ZOTHER10365Other 646.4 666.9 20.6 648.0 0.0 115.4 NO 648.8 0.0 240.5 NO 649.5 0.0 385.7 NO 649.8 0.0 453.2 NO CBIN10478 A2 CI10327 Curb Inlet 661.1 666.9 5.8 661.1 0.0 0.0 NO 661.1 0.0 0.0 NO 661.1 0.0 0.0 NO 661.1 0.0 0.0 NO OTHR10258 A2 ZOTHER10366Other 641.6 656.0 14.4 643.2 2.3 116.8 NO 644.1 4.3 243.3 NO 645.3 7.1 390.5 NO 646.1 8.2 459.1 NO CLEN10322 A2 ZCO10581 Cleanout 666.8 673.3 6.4 668.0 0.9 10.8 NO 668.4 1.5 18.7 NO 673.3 2.3 30.3 NO 673.3 2.5 33.0 NO CBIN10479 A2 CI1188 Curb Inlet 667.6 675.8 8.2 668.0 0.0 0.1 NO 668.4 0.0 0.1 NO 675.8 0.0 4.4 NO 675.8 0.0 1.3 NO CBIN10480 A2 CI10328 Curb Inlet 698.3 703.1 4.8 698.8 10.0 10.6 NO 699.1 18.8 23.2 NO 699.3 29.8 37.1 NO 699.4 34.3 43.1 NO INLT10181 A2 ZINL11061 Inlet 702.8 707.4 4.6 703.0 0.0 2.1 NO 703.1 0.0 5.5 NO 703.2 0.0 8.9 NO 703.3 0.0 10.4 NO INLT10182 A2 ZINL11490 Inlet 717.3 725.3 8.0 717.3 0.0 0.0 NO 717.3 0.0 0.0 NO 717.3 0.0 0.0 NO 717.3 0.0 0.0 NO OTLT10042 A2 ZOUT10344 Outlet 712.3 720.7 8.4 712.5 0.7 0.7 NO 712.5 1.5 1.5 NO 712.6 2.3 2.3 NO 712.6 2.6 2.6 NO OTLT10043 A2 ZOUT10379 Outlet 718.3 722.3 4.0 718.9 0.0 0.1 NO 719.5 0.0 0.2 NO 720.0 0.0 0.4 NO 720.3 0.0 0.4 NO INLT10183 A2 INL11284 Inlet 635.2 640.5 5.3 637.1 34.2 34.2 NO 640.5 61.2 123.5 NO 641.5 93.0 123.4 NO 641.0 107.5 130.9 NO INLT10184 A2 ZINL11285 Inlet 653.5 657.5 4.0 653.5 0.0 0.0 NO 653.5 0.0 0.0 NO 653.5 0.0 0.0 NO 653.5 0.0 0.0 NO OTHR10259 A2 ZOTHER10367Other 660.7 686.3 25.7 662.6 4.8 111.8 NO 663.6 8.7 232.7 NO 664.5 13.9 372.3 NO 664.9 16.1 437.7 NO CLEN10323 A2 ZCO12889 Cleanout 657.7 677.9 20.2 659.3 0.0 111.9 NO 660.1 0.0 232.7 NO 660.8 0.0 372.4 NO 661.1 0.0 437.8 NO CBIN10481 A2 CI10329 Curb Inlet 654.2 659.9 5.7 654.4 0.0 0.1 NO 654.9 0.0 0.1 NO 659.9 0.0 3.9 NO 659.9 0.0 4.7 NO CBIN10482 A2 CI10330 Curb Inlet 653.4 660.0 6.6 654.4 4.2 13.1 NO 654.9 6.9 22.4 NO 660.0 10.1 32.0 NO 660.0 11.5 34.0 NO CLEN10324 A2 ZCO12084 Cleanout 655.6 660.4 4.8 656.5 3.1 9.3 NO 656.9 6.0 16.0 NO 659.3 10.0 23.6 NO 660.4 11.8 30.1 NO INLT10185 A2 ZINL12085 Inlet 656.8 662.6 5.8 657.0 0.0 0.4 NO 657.0 0.0 0.7 NO 658.0 0.0 5.6 NO 658.7 0.0 12.3 NO CLEN10325 A2 ZCO12620 Cleanout 656.5 662.0 5.6 656.8 0.0 0.9 NO 657.0 0.0 1.7 NO 658.0 0.0 2.5 NO 662.1 0.0 4.1 NO INLT10186 A2 ZINL13247 Inlet 657.0 661.0 4.0 657.3 0.9 0.9 NO 657.5 1.8 1.8 NO 658.0 2.6 2.6 NO 661.0 3.0 3.0 NO CLEN10326 A2 ZCO14009 Cleanout 655.7 661.6 5.9 657.0 3.2 5.0 NO 657.3 5.2 8.2 NO 660.7 7.6 11.9 NO 661.6 8.5 14.2 NO CLEN10327 A2 ZCO10989 Cleanout 645.4 668.4 23.0 647.0 7.1 116.3 NO 647.7 11.6 242.1 NO 648.4 17.0 388.5 NO 648.8 19.2 456.3 NO INLT10187 A2 ZINL12086 Inlet 665.4 670.3 4.9 665.4 0.0 0.0 NO 665.4 0.0 0.0 NO 665.4 0.0 0.0 NO 665.4 0.0 0.0 NO OTHR10260 A2 ZOTHER10368Other 641.3 656.6 15.3 643.0 0.0 116.8 NO 644.0 0.0 245.1 NO 645.2 0.0 390.6 NO 646.0 0.0 459.7 NO INLT10188 A2 ZINL10583 Inlet 645.8 656.1 10.3 645.8 0.0 0.0 NO 645.8 0.0 0.0 NO 645.8 0.0 0.0 NO 646.0 0.0 0.2 NO CLEN10328 A2 ZCO12621 Cleanout 638.4 655.6 17.2 641.3 1.0 117.0 NO 642.7 1.6 246.4 NO 644.9 2.3 412.5 NO 645.3 2.6 461.1 NO OTHR10261 A2 ZOTHER10369Other 633.8 640.8 7.1 637.0 3.8 133.6 NO 641.0 6.1 495.3 NO 641.0 9.0 574.8 NO 641.0 10.1 567.3 NO OTHR10262 A2 ZOTHER10370Other 634.3 658.7 24.4 637.3 2.0 120.1 NO 640.7 3.2 319.1 NO 641.3 4.8 430.6 NO 641.5 5.4 467.1 NO CBIN10483 A2 CI10333 Curb Inlet 684.5 688.7 4.2 684.5 0.0 0.0 NO 684.5 0.0 0.0 NO 684.5 0.0 0.0 NO 684.5 0.0 0.0 NO CBIN10484 A2 CI10334 Curb Inlet 682.3 687.8 5.5 682.3 0.0 0.0 NO 682.3 0.0 0.0 NO 682.3 0.0 0.0 NO 682.3 0.0 0.0 NO CBIN10485 A2 CI10335 Curb Inlet 681.1 687.7 6.6 681.5 11.3 11.3 NO 681.7 19.1 19.1 NO 681.8 28.4 28.4 NO 681.8 32.2 32.2 NO INLT10189 A2 ZINL12087 Inlet 650.0 654.8 4.8 650.6 3.0 15.5 NO 650.8 4.8 26.1 NO 650.9 7.0 35.6 NO 651.0 7.9 37.8 NO OTHR10263 A2 ZOTHER10371Other 638.0 656.1 18.0 641.0 2.0 119.8 NO 642.8 3.4 299.0 NO 656.1 5.1 414.6 NO 656.1 5.8 600.0 NO INLT10190 A2 ZINL12622 Inlet 631.4 635.4 4.0 634.1 0.0 133.3 NO 636.0 0.0 495.7 NO 636.1 0.0 574.8 NO 636.5 0.0 567.3 YES CBIN10486 A2 CI10336 Curb Inlet 692.3 698.8 6.5 692.3 0.0 0.0 NO 692.3 0.0 0.0 NO 692.3 0.0 0.0 NO 692.3 0.0 0.0 NO CBIN10487 A2 CI10337 Curb Inlet 690.4 696.0 5.6 690.4 0.0 0.0 NO 690.4 0.0 0.0 NO 690.4 0.0 0.0 NO 690.4 0.0 0.0 NO CBIN10488 A2 CI10338 Curb Inlet 688.7 696.9 8.2 689.2 7.2 7.2 NO 689.5 14.9 14.9 NO 689.7 24.0 24.0 NO 689.8 27.7 27.7 NO CLEN10329 A2 ZCO12623 Cleanout 680.3 684.3 4.0 680.7 0.0 7.2 NO 680.8 0.0 14.9 NO 681.0 0.0 23.9 NO 681.0 0.0 27.7 NO

APPENDIX E
EXISTING JUNCTIONS: SUMMARY TABLE
City of San Marcos Drainage Master Plan 28 of 132 April 2019 Facility ID Sub
Watershed
Original
Facility ID Type
Invert
Elevation
(feet)
Rim
Elevation
(feet)
Depth
(feet)
Max.

HGL
(2-year)
(feet)
Max.

Lateral
Inflow
(2-year)
(cfs)
Max.

Total
Inflow
(2-year)
(cfs)
Surcharging
(2-year)
Max. HGL
(10-year)
(feet)
Max.

Lateral
Inflow
(10-year)
(cfs)
Max.

Total
Inflow
(10-year)
(cfs)
Surcharging
(10-year)
Max. HGL
(50-year)
(feet)
Max.

Lateral
Inflow
(50-year)
(cfs)
Max. Total
Inflow
(50-year)
(cfs)
Surcharging
(50-year)
Max. HGL
(100-year)
(feet)
Max.

Lateral
Inflow
(100-year)
(cfs)
Max. Total
Inflow
(100-year)
(cfs)
Surcharging
(100-year)
Existing Condition Junctions Summary table
Dimensions 2-year 10-year 50-year 100-year
OTHR10264 A2 ZOTHER10372Other 678.9 682.9 4.0 679.3 0.0 7.2 NO 679.5 0.0 14.9 NO 679.6 0.0 23.9 NO 679.7 0.0 27.7 NO CLEN10330 A2 ZCO10584 Cleanout 707.1 713.4 6.3 707.7 2.8 9.0 NO 707.9 4.8 15.2 NO 708.1 7.2 22.9 NO 708.2 8.2 26.1 NO INLT10191 A2 ZINL11747 Inlet 704.2 710.7 6.5 705.0 0.0 9.0 NO 705.3 0.0 15.1 NO 705.6 0.0 22.9 NO 705.7 0.0 26.1 NO CLEN10331 A2 ZCO11748 Cleanout 702.5 712.8 10.4 703.1 1.2 10.1 NO 703.3 2.5 17.6 NO 703.5 4.0 26.7 NO 703.6 4.6 30.4 NO CLEN10332 A2 ZCO12088 Cleanout 715.4 724.4 9.0 715.9 0.0 6.3 NO 716.1 0.0 10.6 NO 716.2 0.0 16.1 NO 716.3 0.0 18.3 NO OTHR10265 A2 ZOTHER10373Other 748.8 755.6 6.8 749.2 6.4 6.4 NO 749.3 10.7 10.7 NO 749.4 16.2 16.2 NO 749.5 18.4 18.4 NO INLT10192 A2 ZINL12089 Inlet 680.3 690.4 10.1 680.9 0.0 10.1 NO 681.1 0.0 17.6 NO 681.3 0.0 26.7 NO 681.5 0.0 30.3 NO CLEN10333 A2 ZCO12624 Cleanout 670.8 678.6 7.8 671.6 0.0 10.1 NO 672.0 0.0 17.5 NO 678.6 0.0 26.5 NO 678.6 0.0 32.6 NO CBIN10489 A2 CI10342 Curb Inlet 574.6 581.0 6.4 575.1 9.8 9.8 NO 575.3 15.5 15.5 NO 575.4 22.7 22.7 NO 575.5 25.6 25.6 NO CLEN10334 A2 ZCO13023 Cleanout 575.1 581.1 6.1 575.1 0.0 0.0 NO 575.3 0.0 0.0 NO 575.4 0.0 0.0 NO 575.5 0.0 0.0 NO CLEN10335 A2 ZCO13024 Cleanout 576.6 581.6 5.0 576.6 0.0 0.0 NO 576.6 0.0 0.0 NO 576.6 0.0 0.0 NO 576.6 0.0 0.0 NO INLT10193 A2 ZINL12092 Inlet 578.1 582.1 4.0 578.1 0.0 0.0 NO 578.1 0.0 0.0 NO 578.1 0.0 0.0 NO 578.1 0.0 0.0 NO INLT10194 A2 INL13212 Inlet 616.5 622.7 6.2 619.3 2.7 2.7 NO 621.6 4.3 4.3 NO 622.7 6.2 6.5 NO 622.7 7.0 7.0 NO CLEN10336 A2 ZCO10595 Cleanout 631.3 636.0 4.7 631.3 0.0 0.0 NO 631.3 0.0 0.0 NO 631.3 0.0 0.0 NO 631.3 0.0 0.0 NO CBIN10490 A2 ZCI10345 Curb Inlet 631.3 635.3 4.0 631.9 5.3 5.3 NO 632.0 8.7 8.7 NO 632.2 12.9 12.9 NO 632.3 14.6 14.6 NO CBIN10491 A2 CI1211 Curb Inlet 638.5 646.1 7.7 639.0 0.0 6.7 NO 639.2 0.0 11.4 NO 639.4 0.0 17.2 NO 639.5 0.0 19.7 NO CBIN10492 A2 CI1210 Curb Inlet 637.7 646.4 8.7 638.3 2.0 7.8 NO 638.5 3.3 13.8 NO 638.7 5.0 20.9 NO 638.8 5.7 24.0 NO INLT10195 A2 ZINL11065 Inlet 643.9 647.9 4.0 644.3 0.0 6.7 NO 644.4 0.0 11.4 NO 644.6 0.0 17.2 NO 644.6 0.0 19.7 NO CLEN10337 A2 ZCO12635 Cleanout 643.0 648.2 5.2 643.4 0.0 6.7 NO 643.5 0.0 11.4 NO 643.6 0.0 17.2 NO 643.7 0.0 19.7 NO CLEN10338 A2 ZCO10596 Cleanout 645.4 651.2 5.7 646.7 32.9 32.9 NO 647.2 56.0 56.0 NO 647.7 84.8 84.8 NO 648.4 96.7 96.7 NO CBIN10493 A2 CI0253 Curb Inlet 646.4 652.1 5.8 646.8 0.0 0.1 NO 647.2 0.0 0.4 NO 647.8 0.0 1.2 NO 648.4 0.0 3.0 NO INLT10196 A2 INL023 Inlet 647.0 651.3 4.3 647.0 0.0 0.0 NO 647.2 0.0 0.1 NO 647.8 0.0 0.4 NO 648.4 0.0 1.1 NO INLT10197 A2 INL019 Inlet 673.3 680.5 7.2 674.9 0.0 138.5 NO 675.5 0.0 226.9 NO 675.8 0.0 291.4 NO 676.0 0.0 324.2 NO CLEN10339 A2 ZCO12100 Cleanout 663.8 677.6 13.9 665.7 8.3 143.6 NO 666.5 14.9 236.0 NO 668.0 23.3 303.6 NO 678.0 26.7 339.1 NO OTHR10266 A2 ZOTHER10420Other 620.4 640.3 19.9 625.1 5.8 938.0 NO 627.4 9.8 1693.8 NO 629.2 14.6 2427.2 NO 630.9 16.6 2673.8 NO INLT10198 A2 ZINL10599 Inlet 700.9 707.5 6.6 700.9 0.0 0.0 NO 700.9 0.0 0.0 NO 708.3 0.0 11.9 NO 712.6 0.0 11.1 YES INLT10199 A2 ZINL10600 Inlet 702.6 708.2 5.6 702.6 0.0 0.0 NO 702.6 0.0 0.0 NO 708.4 0.0 6.9 NO 712.6 0.0 6.3 YES CLEN10340 A2 ZCO12101 Cleanout 686.5 695.9 9.4 686.9 0.0 2.1 NO 687.0 0.0 3.4 NO 687.1 0.0 5.0 NO 687.2 0.0 5.7 NO INLT10200 A2 ZINL12102 Inlet 692.2 696.7 4.4 692.2 0.0 0.0 NO 692.2 0.0 0.0 NO 692.2 0.0 0.0 NO 692.2 0.0 0.0 NO INLT10201 A2 ZINL10603 Inlet 688.2 692.2 4.0 688.6 2.1 2.1 NO 688.7 3.4 3.4 NO 688.9 5.1 5.1 NO 688.9 5.8 5.8 NO CLEN10341 A2 ZCO10604 Cleanout 693.2 697.4 4.2 693.9 0.0 6.1 NO 694.2 0.0 9.8 NO 700.5 0.0 14.7 YES 703.6 0.0 17.4 YES CLEN10342 A2 ZCO11752 Cleanout 683.3 691.7 8.4 683.7 5.7 7.6 NO 683.8 9.2 12.2 NO 683.9 13.6 18.2 NO 683.9 15.5 20.7 NO CLEN10343 A2 ZCO12104 Cleanout 683.8 691.3 7.5 684.1 0.0 2.1 NO 684.2 0.0 3.4 NO 684.3 0.0 5.0 NO 684.4 0.0 5.7 NO CBIN10494 A2 CI0973 Curb Inlet 636.2 642.5 6.3 638.3 1.5 44.2 NO 638.9 2.2 67.8 NO 639.4 3.2 90.0 NO 639.4 3.6 95.1 NO INLT10202 A2 ZINL11296 Inlet 637.2 641.2 4.0 639.3 2.3 44.2 NO 640.5 3.6 67.6 NO 642.2 5.2 90.4 YES 642.7 5.8 94.7 YES INLT10203 A2 ZINL11297 Inlet 648.1 652.6 4.5 649.7 0.0 43.5 NO 650.0 0.0 75.6 NO 650.2 0.0 109.2 NO 650.3 0.0 120.9 NO CBIN10495 A2 CI0974 Curb Inlet 636.0 641.4 5.4 638.0 10.9 53.4 NO 638.7 18.6 81.1 NO 639.2 28.6 109.2 NO 639.2 33.0 116.9 NO OTLT10044 A2 OUT10030 Outlet 634.9 644.5 9.6 634.9 0.0 53.4 NO 634.9 0.0 81.1 NO 634.9 0.0 111.0 NO 634.9 0.0 116.9 NO OTLT10045 A2 OUT10330 Outlet 638.3 644.8 6.5 640.5 1.7 231.7 NO 641.3 2.6 371.7 NO 641.7 3.9 445.9 NO 641.8 4.3 456.8 NO OTHR10267 A2 ZOTHER11733Other 651.3 657.3 6.0 651.3 0.0 0.0 NO 654.0 0.0 0.5 NO 657.3 0.0 0.5 NO 657.7 0.0 0.8 NO CLEN10344 A2 ZCO11755 Cleanout 645.5 656.4 10.8 651.3 9.6 228.0 NO 652.9 15.4 365.5 NO 656.9 22.8 454.6 NO 657.6 25.8 457.7 YES INLT10204 A2 ZINL11756 Inlet 660.8 665.1 4.3 660.8 0.0 0.0 NO 660.8 0.0 0.0 NO 660.8 0.0 0.0 NO 660.8 0.0 0.0 NO CLEN10345 A2 ZCO11757 Cleanout 661.9 675.6 13.6 663.8 9.5 55.2 NO 664.9 15.0 99.7 NO 676.2 22.0 297.4 NO 678.6 24.8 301.5 YES INLT10205 A2 ZINL12112 Inlet 669.0 675.9 6.9 669.0 0.0 0.0 NO 669.0 0.0 0.0 NO 676.6 0.0 130.8 NO 678.7 0.0 114.9 YES CLEN10346 A2 ZCO12113 Cleanout 660.9 674.9 14.0 663.6 1.2 168.4 NO 664.7 1.8 274.3 NO 675.7 2.7 426.1 NO 678.3 3.0 463.4 YES CLEN10347 A2 ZCO12114 Cleanout 652.7 665.3 12.6 655.9 4.8 207.5 NO 657.7 7.6 339.6 NO 665.4 11.3 435.2 NO 666.7 12.8 459.7 YES OTHR10268 A2 ZOTHER10423Other 658.1 664.7 6.5 659.1 0.0 41.7 NO 659.7 0.0 72.7 NO 667.1 0.0 103.0 YES 668.8 0.0 102.8 YES OTHR10269 A2 ZOTHER10424Other 650.3 658.3 8.1 651.3 9.7 43.5 NO 651.8 15.2 75.6 NO 652.3 22.0 110.0 NO 652.5 24.8 121.0 NO CLEN10348 A2 ZCO13026 Cleanout 743.6 752.0 8.4 745.1 7.6 47.5 NO 745.8 14.3 81.1 NO 752.1 21.7 135.6 NO 752.2 24.7 146.3 NO

APPENDIX E
EXISTING JUNCTIONS: SUMMARY TABLE
City of San Marcos Drainage Master Plan 29 of 132 April 2019 Facility ID Sub
Watershed
Original
Facility ID Type
Invert
Elevation
(feet)
Rim
Elevation
(feet)
Depth
(feet)
Max.

HGL
(2-year)
(feet)
Max.

Lateral
Inflow
(2-year)
(cfs)
Max.

Total
Inflow
(2-year)
(cfs)
Surcharging
(2-year)
Max. HGL
(10-year)
(feet)
Max.

Lateral
Inflow
(10-year)
(cfs)
Max.

Total
Inflow
(10-year)
(cfs)
Surcharging
(10-year)
Max. HGL
(50-year)
(feet)
Max.

Lateral
Inflow
(50-year)
(cfs)
Max. Total
Inflow
(50-year)
(cfs)
Surcharging
(50-year)
Max. HGL
(100-year)
(feet)
Max.

Lateral
Inflow
(100-year)
(cfs)
Max. Total
Inflow
(100-year)
(cfs)
Surcharging
(100-year)
Existing Condition Junctions Summary table
Dimensions 2-year 10-year 50-year 100-year
CBIN10496 A2 ZCI10370 Curb Inlet 745.7 752.4 6.8 746.7 0.0 0.0 NO 747.3 0.0 0.0 NO 752.4 0.0 1.6 NO 754.2 0.0 5.9 YES CBIN10497 A2 ZCI10371 Curb Inlet 746.1 752.4 6.3 746.7 0.0 0.0 NO 747.3 0.0 0.1 NO 752.5 0.0 0.6 NO 754.3 0.0 6.1 YES CLEN10349 A2 ZCO12966 Cleanout 745.2 751.9 6.7 746.7 0.0 40.4 NO 747.3 0.0 68.1 NO 752.2 0.0 96.8 NO 754.2 0.0 106.2 YES CLEN10350 A2 ZCO12119 Cleanout 739.4 750.3 10.9 741.0 1.6 49.1 NO 741.7 3.2 84.1 NO 750.3 4.8 119.1 NO 750.3 5.5 127.9 NO CBIN10498 A2 ZCI10372 Curb Inlet 735.0 749.4 14.3 736.0 3.8 52.6 NO 736.3 7.4 90.9 NO 736.5 11.3 128.6 NO 736.6 12.9 137.0 NO CLEN10351 A2 ZCO13027 Cleanout 722.2 739.1 16.9 724.1 0.0 52.6 NO 725.0 0.0 90.9 NO 725.7 0.0 127.0 NO 731.1 0.0 135.4 NO INLT10206 A2 ZINL12120 Inlet 719.8 733.2 13.4 721.7 0.0 52.7 NO 722.4 0.0 90.9 NO 722.9 0.0 125.6 NO 723.2 0.0 133.3 NO CBIN10499 A2 ZCI10373 Curb Inlet 756.5 765.4 8.9 756.8 3.1 3.1 NO 756.9 6.0 6.0 NO 757.0 9.1 9.1 NO 757.0 10.4 10.4 NO INLT10207 A2 ZINL12967 Inlet 740.2 760.1 19.9 740.6 0.0 3.1 NO 740.8 0.0 6.0 NO 740.9 0.0 9.1 NO 741.0 0.0 10.4 NO CBIN10500 A2 ZCI10374 Curb Inlet 737.0 749.6 12.7 737.0 0.0 0.0 NO 737.0 0.0 0.0 NO 737.0 0.0 0.0 NO 737.0 0.0 0.0 NO INLT10208 A2 INL12662 Inlet 681.3 685.3 4.0 682.0 10.8 10.8 NO 682.3 18.4 18.4 NO 682.9 27.7 27.7 NO 682.9 31.5 31.5 NO CBIN10501 A2 CI0976 Curb Inlet 668.2 673.9 5.7 668.2 0.0 0.0 NO 668.2 0.0 0.0 NO 677.1 0.0 7.6 YES 680.0 0.0 7.7 YES CBIN10502 A2 CI0975 Curb Inlet 668.0 674.2 6.2 668.0 0.0 0.0 NO 668.0 0.0 0.0 NO 677.1 0.0 18.2 YES 680.0 0.0 19.7 YES CLEN10352 A2 ZCO12664 Cleanout 666.2 677.7 11.5 667.5 0.0 46.6 NO 667.9 0.0 86.0 NO 678.0 0.0 217.5 NO 680.0 0.0 191.4 YES OTHR10270 A2 ZOTHER10428Other 631.2 635.2 4.0 632.0 0.0 0.9 NO 635.3 0.0 4.6 NO 633.0 0.0 6.4 NO 633.0 0.0 5.6 NO OTHR10271 A2 ZOTHER10429Other 628.5 633.6 5.1 632.0 0.0 264.3 NO 633.6 0.0 582.1 NO 632.9 0.0 557.6 NO 633.0 0.0 581.0 NO CBIN10503 A2 CI0962 Curb Inlet 632.0 636.0 4.0 632.9 0.0 0.1 NO 633.2 0.0 0.3 NO 633.7 0.0 1.0 NO 636.0 0.0 5.4 NO CBIN10504 A2 CI0964 Curb Inlet 631.7 635.8 4.1 632.9 9.9 9.9 NO 633.2 15.8 15.8 NO 633.6 23.3 23.3 NO 635.8 26.4 28.6 NO OTLT10046 A2 OUT10031 Outlet 630.9 634.9 4.0 630.9 0.0 9.7 NO 630.9 0.0 15.5 NO 630.9 0.0 22.1 NO 630.9 0.0 25.1 NO INLT10209 A2 ZINL11310 Inlet 633.4 638.2 4.8 633.4 0.0 0.0 NO 633.4 0.0 0.0 NO 633.8 0.0 0.5 NO 634.7 0.0 2.5 NO CLEN10353 A2 ZCO12127 Cleanout 592.5 600.9 8.3 594.4 0.0 28.6 NO 600.9 0.0 43.4 NO 602.0 0.0 72.4 YES 603.2 0.0 74.0 YES CBIN10505 A2 CI0810 Curb Inlet 592.7 599.7 7.0 594.4 0.0 2.5 NO 599.7 0.0 6.5 NO 602.0 0.0 17.7 YES 603.2 0.0 14.8 YES OTHR10272 A2 ZOTHER10439Other 593.8 600.6 6.8 595.4 0.0 26.4 NO 600.6 0.0 40.9 NO 602.2 0.0 61.0 YES 603.4 0.0 59.3 YES INLT10210 A2 ZINL12676 Inlet 601.9 605.9 4.0 601.9 0.0 0.0 NO 601.9 0.0 0.0 NO 603.2 0.0 0.5 NO 604.5 0.0 0.6 NO CLEN10354 A2 ZCO12677 Cleanout 595.2 601.2 6.0 596.8 10.5 26.4 NO 601.2 17.4 41.8 NO 603.2 25.8 54.2 YES 604.5 29.3 55.2 YES OTHR10273 A2 ZOTHER10440Other 596.7 601.4 4.7 597.7 0.0 16.0 NO 601.5 0.0 27.3 NO 604.3 0.0 33.8 YES 605.7 0.0 34.0 YES INLT10211 A2 ZINL10643 Inlet 601.5 605.5 4.0 602.0 12.3 12.3 NO 602.6 19.9 19.9 NO 605.2 29.6 29.6 NO 606.9 33.7 33.7 YES CLEN10355 A2 ZCO11764 Cleanout 597.2 601.7 4.6 597.9 0.0 4.0 NO 601.8 0.0 9.3 NO 604.4 0.0 19.2 YES 605.8 0.0 19.5 YES CBIN10506 A2 CI0826 Curb Inlet 598.0 602.0 4.0 598.0 0.0 0.0 NO 602.0 0.0 0.6 NO 604.4 0.0 5.8 YES 605.8 0.0 5.4 YES CLEN10356 A2 ZCO11765 Cleanout 598.6 602.6 4.0 599.2 0.0 4.0 NO 600.0 0.0 6.6 NO 604.5 0.0 17.3 YES 606.0 0.0 14.4 YES INLT10212 A2 INL12128 Inlet 599.3 603.3 4.0 599.3 0.0 0.0 NO 600.1 0.0 1.2 NO 604.5 0.0 5.7 YES 606.0 0.0 5.6 YES CBIN10507 A2 CI0827 Curb Inlet 599.3 603.3 4.0 600.0 4.0 4.0 NO 600.2 6.4 6.4 NO 604.5 9.3 9.3 YES 606.0 10.5 10.5 YES CLEN10357 A2 ZCO10644 Cleanout 658.6 664.3 5.6 660.5 1.2 41.8 NO 661.2 1.9 70.5 NO 668.7 2.8 96.4 YES 670.5 3.1 94.4 YES CBIN10508 A2 CI0808 Curb Inlet 661.5 669.2 7.7 662.6 3.0 40.4 NO 663.1 4.8 68.0 NO 670.0 7.1 94.2 NO 672.1 8.0 94.9 YES CBIN10509 A2 CI0829 Curb Inlet 668.1 672.3 4.2 668.7 0.0 0.0 NO 669.0 0.0 0.0 NO 669.3 0.0 0.0 NO 669.5 0.0 0.1 NO CLEN10358 A2 ZCO12129 Cleanout 667.8 672.1 4.3 668.7 2.5 11.7 NO 669.0 4.1 18.9 NO 669.3 6.1 28.1 NO 669.5 7.0 32.8 NO OTLT10047 A2 ZOUT10329 Outlet 665.8 669.8 4.0 665.8 0.0 11.7 NO 665.8 0.0 18.9 NO 665.8 0.0 28.1 NO 665.8 0.0 32.0 NO CBIN10510 A2 CI0813 Curb Inlet 669.3 674.7 5.4 670.2 0.0 9.3 NO 670.5 0.0 15.0 NO 671.0 0.0 22.3 NO 674.7 0.0 25.3 NO INLT10213 A2 ZINL12678 Inlet 669.9 677.6 7.8 671.1 9.3 9.3 NO 671.5 14.9 14.9 NO 672.1 22.3 22.3 NO 676.6 25.3 25.3 NO CBIN10511 A2 CI1603 Curb Inlet 682.8 688.3 5.5 683.6 1.5 5.6 NO 683.9 2.3 8.8 NO 684.2 3.3 13.5 NO 684.2 3.7 15.0 NO INLT10214 A2 INL10645 Inlet 683.7 690.0 6.3 684.2 0.0 0.0 NO 684.4 0.0 0.0 NO 684.6 0.0 0.1 NO 684.7 0.0 0.1 NO CBIN10512 A2 CI0820 Curb Inlet 683.6 687.9 4.3 684.2 4.2 4.2 NO 684.4 6.6 6.6 NO 684.6 9.6 9.7 NO 684.7 10.8 10.8 NO INLT10215 A2 ZOUT10332 Inlet 682.7 686.7 4.0 682.7 0.0 5.6 NO 682.8 0.0 8.8 NO 682.8 0.0 20.9 NO 682.8 0.0 22.4 NO CBIN10513 A2 CI0828 Curb Inlet 692.0 696.0 4.0 692.0 0.0 0.0 NO 692.0 0.0 0.0 NO 692.0 0.0 0.0 NO 692.0 0.0 0.0 NO OTLT10048 A2 ZOUT10327 Outlet 691.1 695.4 4.4 691.1 0.0 0.0 NO 691.1 0.0 0.0 NO 691.1 0.0 0.0 NO 691.1 0.0 0.0 NO CBIN10514 A2 CI0817 Curb Inlet 695.6 699.6 4.0 695.6 0.0 0.0 NO 695.6 0.0 0.0 NO 695.6 0.0 0.0 NO 695.6 0.0 0.0 NO OTLT10049 A2 ZOUT10326 Outlet 694.7 699.4 4.8 694.7 0.0 0.0 NO 694.7 0.0 0.0 NO 694.7 0.0 0.0 NO 694.7 0.0 0.0 NO CBIN10515 A2 CI0737 Curb Inlet 682.2 686.2 4.0 682.9 0.0 0.1 NO 687.1 0.0 3.1 NO 693.7 0.0 4.0 YES 697.1 0.0 5.0 YES CBIN10516 A2 CI0734 Curb Inlet 681.4 685.7 4.3 682.9 15.6 15.6 NO 687.0 28.5 28.5 YES 693.7 44.2 44.2 YES 697.1 50.7 50.7 YES

APPENDIX E
EXISTING JUNCTIONS: SUMMARY TABLE
City of San Marcos Drainage Master Plan 30 of 132 April 2019 Facility ID Sub
Watershed
Original
Facility ID Type
Invert
Elevation
(feet)
Rim
Elevation
(feet)
Depth
(feet)
Max.

HGL
(2-year)
(feet)
Max.

Lateral
Inflow
(2-year)
(cfs)
Max.

Total
Inflow
(2-year)
(cfs)
Surcharging
(2-year)
Max. HGL
(10-year)
(feet)
Max.

Lateral
Inflow
(10-year)
(cfs)
Max.

Total
Inflow
(10-year)
(cfs)
Surcharging
(10-year)
Max. HGL
(50-year)
(feet)
Max.

Lateral
Inflow
(50-year)
(cfs)
Max. Total
Inflow
(50-year)
(cfs)
Surcharging
(50-year)
Max. HGL
(100-year)
(feet)
Max.

Lateral
Inflow
(100-year)
(cfs)
Max. Total
Inflow
(100-year)
(cfs)
Surcharging
(100-year)
Existing Condition Junctions Summary table
Dimensions 2-year 10-year 50-year 100-year
OTLT10050 A2 ZINL11313 Outlet 680.3 684.3 4.0 680.4 0.0 15.5 NO 680.4 0.0 25.8 NO 680.4 0.0 36.4 NO 680.4 0.0 40.8 NO INLT10216 A2 INL13098 Inlet 681.0 711.0 30.0 685.6 0.0 107.7 NO 687.2 0.0 163.2 NO 688.5 0.0 197.2 NO 688.8 0.0 207.1 NO OTLT10051 A2 OUT10291 Outlet 680.7 685.2 4.5 683.3 0.0 106.9 NO 683.8 0.0 162.9 NO 684.1 0.0 197.2 NO 684.2 0.0 207.1 NO CBIN10517 A2 CI10384 Curb Inlet 648.5 654.5 6.0 648.5 0.0 0.0 NO 648.6 0.0 0.1 NO 654.5 0.0 4.0 NO 654.8 0.0 8.7 NO OTHR10274 A2 ZOTHER10441Other 644.5 655.5 11.0 646.4 0.0 0.2 NO 649.4 0.0 0.6 NO 655.5 0.0 1.7 NO 655.5 0.0 6.5 NO CLEN10359 A2 ZCO10648 Cleanout 644.1 654.9 10.8 646.4 0.0 0.8 NO 649.0 0.0 0.9 NO 654.9 0.0 4.4 NO 654.9 0.0 11.4 NO INLT10217 A2 ZINL13151 Inlet 644.0 648.0 4.0 649.4 0.0 391.1 YES 651.6 0.0 640.2 YES 652.3 0.0 888.7 YES 652.3 0.0 920.6 YES OTHR10275 A2 ZOTHER10442Other 643.8 655.7 11.9 649.4 0.0 422.1 NO 651.6 0.0 683.6 NO 653.6 0.0 978.7 NO 655.7 0.0 1030.1 NO OTHR10276 A2 ZOTHER10443Other 640.8 655.8 15.0 646.4 0.0 420.2 NO 648.6 0.0 683.4 NO 655.8 0.0 966.1 NO 655.9 0.0 1043.7 NO INLT10218 A2 ZINL11856 Inlet 647.5 656.3 8.8 647.5 0.0 0.0 NO 648.0 0.0 0.1 NO 656.3 0.0 1.5 NO 656.3 0.0 6.7 NO OTHR10277 A2 ZOTHER10444Other 640.1 655.5 15.4 645.8 17.4 424.3 NO 648.0 30.8 691.4 NO 650.3 48.1 981.4 NO 655.9 55.2 1087.1 NO INLT10219 A2 ZINL11315 Inlet 661.0 665.0 4.0 662.8 6.3 59.3 NO 663.0 10.6 85.1 NO 663.3 16.1 115.5 NO 663.4 18.2 129.8 NO CBIN10518 A2 CI1182 Curb Inlet 669.2 674.3 5.1 669.7 0.0 0.1 NO 669.9 0.0 0.1 NO 670.1 0.0 0.1 NO 670.2 0.0 0.1 NO INLT10220 A2 INL027 Inlet 671.3 675.3 4.0 677.3 1.2 247.7 YES 678.3 2.2 335.3 YES 680.6 3.2 411.4 YES 681.8 3.7 438.4 YES OTLT10052 A2 OUT10245 Outlet 667.3 673.1 5.8 671.5 0.0 313.9 NO 672.3 0.0 480.3 NO 672.8 0.0 532.6 NO 672.9 0.0 538.0 NO OTHR10278 A2 ZOTHER10448Other 664.1 672.8 8.7 668.9 0.0 282.0 NO 669.9 0.0 466.7 NO 670.6 0.0 633.4 NO 670.8 0.0 685.1 NO OTHR10279 A2 ZOTHER10449Other 664.2 673.1 8.9 669.0 0.0 281.3 NO 670.1 0.0 465.6 NO 670.9 0.0 631.9 NO 671.1 0.0 683.3 NO CBIN10519 A2 CI0187 Curb Inlet 669.3 673.9 4.6 673.9 0.0 0.5 NO 673.9 0.0 2.2 NO 673.9 0.0 1.8 NO 673.9 0.0 2.1 NO CBIN10520 A2 CI10394 Curb Inlet 669.3 673.8 4.5 673.8 0.0 0.4 NO 674.2 0.0 5.5 NO 674.4 0.0 5.2 NO 674.3 0.0 5.2 NO INLT10221 A2 ZINL13031 Inlet 669.8 673.8 4.0 673.8 0.0 0.3 NO 674.2 0.0 3.3 NO 674.3 0.0 2.7 NO 674.3 0.0 3.5 NO OTHR10280 A2 ZOTHER10450Other 667.7 673.5 5.9 673.8 0.0 304.1 NO 674.7 0.0 456.6 YES 674.9 0.0 505.0 YES 675.0 0.0 537.6 YES OTHR10281 A2 ZOTHER10451Other 667.4 674.1 6.8 674.2 0.0 313.0 NO 674.2 0.0 480.3 NO 674.2 0.0 532.6 NO 674.3 0.0 538.0 NO OTHR10282 A2 ZOTHER10452Other 668.4 674.6 6.1 671.0 1.1 27.6 NO 671.9 1.7 48.5 NO 672.8 2.4 61.9 NO 673.3 2.7 67.5 NO CBIN10521 A2 CI0185 Curb Inlet 689.3 695.9 6.6 689.3 0.0 0.0 NO 689.3 0.0 0.0 NO 690.0 0.0 0.4 NO 695.9 0.0 5.9 NO CBIN10522 A2 CI0063 Curb Inlet 695.0 699.0 4.0 695.0 0.0 0.0 NO 695.3 0.0 0.0 NO 699.1 0.0 3.6 NO 701.7 0.0 3.8 YES CBIN10523 A2 CI0061 Curb Inlet 693.7 697.7 4.1 694.7 17.5 17.5 NO 695.2 30.7 30.7 NO 699.1 47.1 49.4 YES 701.7 53.8 53.8 YES CBIN10524 A2 CI0062 Curb Inlet 694.7 698.7 4.0 694.8 0.0 0.0 NO 695.3 0.0 0.1 NO 699.1 0.0 2.5 NO 701.7 0.0 4.1 YES CLEN10360 A2 ZCO10658 Cleanout 668.7 674.9 6.2 671.0 7.0 26.7 NO 672.0 11.4 46.0 NO 673.0 16.9 58.9 NO 674.9 19.2 64.5 NO INLT10222 A2 ZINL10659 Inlet 671.3 675.3 4.0 671.3 0.0 0.0 NO 672.0 0.0 0.3 NO 675.3 0.0 0.6 NO 675.3 0.0 2.5 NO OTHR10283 A2 ZOTHER10453Other 691.2 697.5 6.3 692.1 0.0 17.5 NO 692.5 0.0 30.7 NO 697.5 0.0 44.7 NO 698.0 0.0 46.0 NO OTHR10284 A2 ZOTHER10454Other 684.9 695.5 10.7 685.8 3.3 20.6 NO 686.3 5.1 35.5 NO 689.9 7.4 48.9 NO 695.5 8.3 53.1 NO INLT10223 A2 ZINL13096 Inlet 668.1 674.3 6.2 674.3 0.0 265.7 NO 675.1 0.0 357.5 NO 675.5 0.0 418.1 YES 675.4 0.0 443.3 YES OTHR10285 A2 ZOTHER10456Other 700.3 705.9 5.6 701.4 26.9 26.9 NO 702.0 51.5 51.5 NO 710.9 81.3 81.3 YES 716.6 94.8 94.8 YES INLT10224 A2 ZINL13093 Inlet 657.6 661.6 4.0 663.8 3.7 273.8 YES 665.5 6.3 881.0 YES 665.5 9.9 880.9 YES 665.5 11.4 866.7 YES OTLT10053 A2 ZOUT10260 Outlet 657.3 661.3 4.0 661.0 0.0 280.7 NO 662.6 0.0 935.0 YES 662.6 0.0 937.9 YES 662.6 0.0 941.9 YES CBIN10525 A2 CI1484 Curb Inlet 659.5 663.5 4.0 663.7 18.7 18.7 NO 665.5 31.9 31.9 YES 665.8 48.4 48.4 YES 666.3 55.2 55.2 YES CBIN10526 A2 CI1483 Curb Inlet 659.6 663.6 4.0 663.6 0.0 0.1 NO 665.2 0.0 10.3 YES 665.2 0.0 10.2 YES 665.2 0.0 10.3 YES OTHR10286 A2 ZOTHER10457Other 658.8 663.6 4.8 663.7 1.3 280.7 NO 665.5 2.2 936.4 YES 665.4 3.2 937.2 YES 665.4 3.7 939.6 YES OTHR10287 A2 ZOTHER10458Other 657.7 663.0 5.3 663.6 0.0 280.7 NO 665.2 0.0 935.5 YES 665.2 0.0 937.6 YES 665.2 0.0 940.4 YES CBIN10527 A2 CI0878 Curb Inlet 662.8 666.8 4.0 666.5 13.1 13.1 NO 668.3 22.1 22.1 YES 671.8 33.4 33.4 YES 673.3 38.0 38.0 YES CLEN10361 A2 ZCO12687 Cleanout 671.1 681.4 10.2 673.0 0.0 115.5 NO 673.6 0.0 177.7 NO 681.4 0.0 241.5 NO 681.4 0.0 247.1 NO CBIN10528 A2 CI0427 Curb Inlet 683.0 687.3 4.3 684.3 0.0 0.2 NO 685.3 0.0 0.1 NO 687.4 0.0 6.1 NO 687.4 0.0 6.7 NO CBIN10529 A2 CI0426 Curb Inlet 682.7 687.3 4.7 684.4 0.0 0.4 NO 685.1 0.0 0.2 NO 687.4 0.0 7.6 NO 687.5 0.0 9.4 NO OTHR10288 A2 ZOTHER10460Other 681.6 688.2 6.6 684.3 1.7 79.3 NO 685.1 2.8 120.7 NO 688.2 4.3 161.3 NO 688.2 4.8 168.0 NO CBIN10530 A2 CI1464 Curb Inlet 662.0 667.0 5.0 662.8 3.0 3.0 NO 663.3 4.7 4.7 NO 666.3 7.0 7.0 NO 667.0 8.0 8.0 NO CLEN10362 A2 ZCO12139 Cleanout 652.4 656.4 4.0 656.4 5.2 29.2 NO 656.5 8.4 32.1 NO 656.9 12.3 36.8 NO 657.3 13.9 38.7 NO CLEN10363 A2 ZCO10664 Cleanout 652.3 659.0 6.7 654.2 0.0 30.5 NO 654.8 0.0 33.5 NO 654.7 0.0 36.4 NO 654.9 0.0 38.2 NO CLEN10364 A2 ZCO11557 Cleanout 652.1 660.1 8.0 653.9 18.1 42.8 NO 654.4 30.4 62.2 NO 654.5 46.4 82.1 NO 654.6 53.0 90.3 NO CBIN10531 A2 CI10397 Curb Inlet 652.3 656.3 4.0 654.0 0.0 2.4 NO 656.3 0.0 1.2 NO 654.5 0.0 1.3 NO 654.6 0.0 0.8 NO

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