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.

APPENDIX C
Existing Deficient Systems, 100 Year Results - Sheet 147 Major River / Stream
Sub-Catchments
Existing Inventory
Channel Confluence
Cleanout
Curb Inlet
Curb Outlet
Detention Basin
Inlet
Outlet
Other
Separator
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
50-YR Flood Inundation
10-YR Flood Inundation
100-YR Flood Inundation
Storm Detention Basin
Surcharging Junctions
Surcharging Conduits
Only Upstream Surcharging
Only Downstream
Surcharging
Both Upstream and
Downstream Surcharging
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 134
SEE SHEET 146SEE SHEET 148

BBOORRDDEENN RRDD

BBAANNYYAANN CCTT

PRIVATE RD

NN DDEELL AAVV

PPRRIIVVAATTEERRDD

RICHLAND RD

PRIVATE RD PRIVATE RD

WASATCH PL WASATCH PL

PRIVATE RD

LORI CT

DEL SOL AV

FULTON RD FULTON RD

LACEBARK ST

PRIVATE RD PRIVATE RD

CATHERINE AV CATHERINE AV

RICHLAND RD
VVII

SSTTAA VVEERRDDEE

WULFF ST

PRIVATE RD

DEL FRESNO AV

CALLE CABRILLO

CALLE CERRO CALLE CERRO

RREEDDHHIILLLL LLNN

PPRRIIVVAATTEE
DDYY

GINA LN

DOROTHEA AV

RIVER RUN CR

ROSE RANCH RD
800' 800'
790'
780'
780'
770' 770'
760' 760'
750' 750'
740' 740'
730' 730'
720' 720'
710' 710'
700' 700'
690' 690'
780'
780'
770'
770'
760' 760'
750'
750'
740'
740'
730' 730'
720'
720'
710'
710'
760' 760'
750'
750'
740' 740'
730' 730'
720' 720'
710' 710'
750' 750'
740'
740'
730' 730'
720' 720'
710'
710'
710'
710'
700' 700'
700' 700'
690' 690'
680'
680'
750'
740'
710'
710'
700' 700'
700'
700'
700' 700'
760' 760'
720' 720'
740'
740'
720' 720'
730'
730'
700' 700'
700' 700'
750'
750'
750'
750'
750' 750'
730' 730'
720'
720'
700'
700'
700' 700'
700'
700'
760'
760'
750' 750'
710' 710'
700'
700'
CBIN10001
CBIN10002
CLEN10282
INLT10148
CBIN10388
CBIN10405
OTHR10285
CBIN10533
CLEN10378
CLEN10379
OTHR10297
OTHR10298
OTHR10299
CBIN10557
CBIN10558
CBIN10559
CBIN10560
INLT10232
OTHR10304
CLEN10396
CLEN10397
CLEN10398
CLEN10399
CLEN10400
CBIN10595
CLEN10401
CLEN10402
CLEN10403
INLT10243
CBIN10596
OTLT10064
OTHR10324
OTHR10325
OTLT10070
OTHR10379
OTLT10071
OTHR10380
OTLT10072
OTHR10403
OTHR10429
OTHR10430
OTHR10499
OTHR10500
OTHR10501

SAN MARCOS SAN MARCOS
PIPE11308
PIPE11226
CHAN10016
PIPE10026
PIPE10787
CULV10107
PIPE11235
CULV10109
CHAN10093
PIPE11300
PIPE11310
PIPE11229
PIPE11232
CHAN10040
PIPE11305
CULV10108
PIPE11298
CHAN10091 CHAN10090
PIPE11309
PIPE11230
PIPE11304
PIPE11227
PIPE11299
CHAN10041
PIPE11233
PIPE10788
DTCH10236
PIPE10025
PIPE10784
PIPE11302
PIPE10783
PIPE11231
PIPE11306
PIPE11301
PIPE11303
FLOW10016
W:\17729_SanMarcosDMP\GIS\DeliverableMaps\SMDMP_C_100yrResultsMaps_11x17.mxd City of San Marcos - Drainage Master Plan

APPENDIX C
Existing Deficient Systems, 100 Year Results - Sheet 148 Major River / Stream
Sub-Catchments
Existing Inventory
Channel Confluence
Cleanout
Curb Inlet
Curb Outlet
Detention Basin
Inlet
Outlet
Other
Separator
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
50-YR Flood Inundation
10-YR Flood Inundation
100-YR Flood Inundation
Storm Detention Basin
Surcharging Junctions
Surcharging Conduits
Only Upstream Surcharging
Only Downstream
Surcharging
Both Upstream and
Downstream Surcharging
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 135
SEE SHEET 147SEE SHEET 149

AMBER DR

PRIVATE DY PRIVATE DY

PRIVATE DY

PRIVATE DY

WOODLAND PY WOODLAND PY

PRIVATE RD

PRIVATE RD PRIVATE RD

PRIVATE RD PRIVATE RD

PRIVATE RD PRIVATE RD

FFUULLTTOONN RRDD

PRIVATE RD PRIVATE RD PRIVATE RD PRIVATE RD

PRIVATE RD PRIVATE RD

PPRRIIVVAATTEE
DDYY

DDAAVVEEYY
WWYY

PRIVATE DY PRIVATE DY

BRIANT ST

LACEBARK ST

MMAANNGGOO CCTT

JADE PL JADE PL
JJ

NOREEN CT

NOREEN CT

AANNEETT PPLL

HARWICH DR

DDAALLEE CCTT

PALOMINO CT

FFLLAAGGSSTTOONNEE CCTT

HHAASSTTININGGSS CCTT

PRIVATE RD PRIVATE RD

PRIVATE RD PRIVATE RD

TTIIEERR
RR AA

DDUU RRAA
RR
DD

BORDEN RD BORDEN RD
KKAA

RREENN CCTT

MMEERRLLININ CCTT

PRIVATE RD PRIVATE RD
720' 720'
700' 700'
690' 690'
680' 680'
730' 730'
710'
710'
740' 740'
730' 730'
710' 710'
700' 700'
740'
740'
720'
720'
720'
720'
710'
710'
710' 710'
700' 700'
700'
700'
690'
690'
710' 710'
700' 700'
670'
670'
720' 720'
690' 690'
690'
690'
690'
720'
720'
710'
710'
710' 710'
700'
700'
700'
700'
700' 700'
690'
690'
690' 690'
710'
710'
690'
690'
CLEN10257
CLEN10258
CLEN10259
CBIN10359
CBIN10360
INLT10141
CBIN10362
CLEN10283
CLEN10284 CLEN10285 OTLT10026
CBIN10405
CBIN10406
CBIN10407
CBIN10408
CBIN10446
CLEN10310
CLEN10311
CBIN10465
CBIN10466
CLEN10320
CBIN10470
CBIN10471
CBIN10472
CLEN10321
OTHR10249
OTHR10250
INLT10179
INLT10197
CLEN10339
CLEN10340
INLT10200
INLT10201
CLEN10341
CLEN10342
CBIN10528
CBIN10529
CLEN10391
INLT10253
CBIN10615
OTHR10345
INLT10264
OTHR10347
OTHR10353
OTHR10460
OTHR10461
OTHR10463
OTHR10583 OTHR10584 OTHR10585
OTHR10586
OTHR10601

SAN MARCOS SAN MARCOS

ESCONDIDO ESCONDIDO
CHAN10056
PIPE11158
PIPE11081
PIPE11184
CHAN10145
PIPE11003
PIPE10787
PIPE11013
PIPE10790
CHAN10060
PIPE11083
PIPE10860
PIPE11011
PIPE11157
PIPE11079
PIPE11014
PIPE11001
PIPE10859
CHAN10061
PIPE11366
PIPE11187
PIPE11012
PIPE11185
PIPE10966
PIPE11159
PIPE10965
PIPE10963
PIPE11002
PIPE11005
PIPE10784
CHAN10140
PIPE10789
CHAN10141
CHAN10057 CHAN10058
CHAN10142 CHAN10144 CHAN10143
PIPE11281
PIPE10857
PIPE11078
PIPE11080
PIPE10785
PIPE10690
PIPE10788
PIPE10689
PIPE11004
PIPE11186
PIPE10964
PIPE11367
PIPE11183
W:\17729_SanMarcosDMP\GIS\DeliverableMaps\SMDMP_C_100yrResultsMaps_11x17.mxd City of San Marcos - Drainage Master Plan

APPENDIX C
Existing Deficient Systems, 100 Year Results - Sheet 149 Major River / Stream
Sub-Catchments
Existing Inventory
Channel Confluence
Cleanout
Curb Inlet
Curb Outlet
Detention Basin
Inlet
Outlet
Other
Separator
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
50-YR Flood Inundation
10-YR Flood Inundation
100-YR Flood Inundation
Storm Detention Basin
Surcharging Junctions
Surcharging Conduits
Only Upstream Surcharging
Only Downstream
Surcharging
Both Upstream and
Downstream Surcharging
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 136
SEE SHEET 148SEE SHEET 150

FOXFIRE PL

BBEENNNNEETTTT AAVV

SUNBURY ST SUNBURY ST

CCOOUUNNTTRRYY CCLLUUBBLLNN

PRIVATE RD

WWOOOODDBBRRIIDDGGEERRDD

COUNTRY CLUB LN COUNTRY CLUB LN

PRIVATE RD

PPIINNEEHHUURRSSTTAAVV

FULTON RD FULTON RD

BURLINGTON PL BURLINGTON PL

PRIVATE RD PRIVATE RD

TAWNY PL TAWNY PL

RRUUBBYY
RRDD

PRIVATE RD

FOXFIRE CT FOXFIRE CT

FFIIRREESSTTOONNEE DDRR

KATY PL KATY PL

PRIVATE RD PRIVATE RD

CCOOTTTTOONNWWOOOODDPPLL

EL NORTE PY

CHESHIRE WY CHESHIRE WY

EDGEBROOK PL EDGEBROOK PL

HHAARROOLLDD RRDD

PRIVATE RD PRIVATE RD

CCAAPPISISTTRRAANNOO GGLLEENN

QQUU EIEI TT HHILILLLSS DDRR

KKRRYYSSTTAALL PPLL

CHERRY CT CHERRY CT

ARROYO GLEN

CCAASSAA RREEAALL LLNN

W EL NORTE PY

PRIVATE RD PRIVATE RD

PRIVATE RD PRIVATE RD
770'
770'
750' 750'
740'
740'
730'
730'
720'
720'
750'
750'
730' 730'
720'
720'
710'
710'
730'
730'
720'
720'
750' 750'
710'
710'
740'
740'
700' 700'
760'
750'
740' 740'
750' 750'
740' 740'
730' 730'
720'
720'
740' 740'
730'
760'
750' 750'
760'
760'
750' 750'
770' 770'
760' 760'
740' 740'
730' 730'
740' 740'
730'
730'
710'
700' 700'
710'
740'
740'
770'
770'
750' 750'
740'
730'
720' 720'
720'
720'
710' 710'
720' 720'
710' 710'
700' 700'
690' 690'
750'
750'
720'
720'
720'
720'
700'
700'
CBIN10429
CBIN10430
CLEN10299
CBIN10576
CBIN10577
OTHR10310
CLEN10392
CBIN10586
OTHR10312
INLT10241
OTHR10313
CBIN10587
CLEN10393
CBIN10588
OTLT10063
OTHR10318
OTHR10580
OTHR10581
OTHR10582

SAN MARCOS SAN MARCOS

ESCONDIDO ESCONDIDO
PIPE11457
CHAN10137
PIPE11271
PIPE11273
PIPE11461
PIPE11288
PIPE10941
CULV10090
PIPE11456
PIPE11460
PIPE11334
CHAN10140
CULV10095
CULV10093
CHAN10139 CHAN10138
PIPE11459
PIPE11458
PIPE11333
CULV10094
W:\17729_SanMarcosDMP\GIS\DeliverableMaps\SMDMP_C_100yrResultsMaps_11x17.mxd City of San Marcos - Drainage Master Plan

APPENDIX C
Existing Deficient Systems, 100 Year Results - Sheet 150 Major River / Stream
Sub-Catchments
Existing Inventory
Channel Confluence
Cleanout
Curb Inlet
Curb Outlet
Detention Basin
Inlet
Outlet
Other
Separator
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
50-YR Flood Inundation
10-YR Flood Inundation
100-YR Flood Inundation
Storm Detention Basin
Surcharging Junctions
Surcharging Conduits
Only Upstream Surcharging
Only Downstream
Surcharging
Both Upstream and
Downstream Surcharging
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 137
SEE SHEET 149SEE SHEET 151

SSUUNNSSEETT HHEEIIGGHHTTSS RRDD

FOXFIRE PL

CCOORRTTEEZZ GGLLEENN

PRIVATE RD PRIVATE RD

CCOORRTTEEZZ AAVV

LLAA HHAABBRRAA

GGLLEENN

LLAA HHAABBRRAA SSTT

VIZCAINO CT

FOXFIRE CT FOXFIRE CT

LOS CEDROS LN

LLAA PPAALLOOMMAA GGLLEENN

PPIINNEEHHUURRSSTTAAVV

MMIIRRAAFFLLOORREESSGGLLEENN

BBOOLLSSAA

CCHHICICAA

GGLLEENN
LLAA

BBRREEAA
SSTT

CCOOUUNNTTRRYYCCLLUUBBLLNN

LLAA MIRIRAADDAA
WWYY
EELL

RROOSSAALL
PPLL

PPOORRTTOOLLAA AAVV

FIRESTONE DR FIRESTONE DR

SSAANN CCAARRLLOOSS PPLL

LLAA PPAALLOOMMAA AAVV

PIZARRO LN PIZARRO LN

LLAA MMIIRRAADDAA AAVV
870'
870'
860' 860'
850' 850'
840' 840'
830'
830'
820'
820'
810'
810'
750'
750'
740'
740'
800'
800'
790' 790'
750' 750'
740' 740'
770' 770'
760'
760'
790' 790'
780'
780'
770'
770'
760' 760'
750' 750'
730' 730'
720' 720'
750'
750'
740' 740'
770' 770'
760' 760'
810'
810'
800' 800'
790' 790'
780' 780'
770'
770'
760' 760'
760'
750'
790' 790'
780' 780'
760' 760'
770' 770'
750'
750'
740' 740'
880'
770'
770'
740'
800'
800'
730'
800'
800'
780' 780'
780' 780'
750' 750'
750'
750'
730'
730'
790'
790'
770' 770'
770'
770'
760' 760'
770' 770'
740' 740'
730' 730'
730'
730'
780' 780'
760'
760'
740'
740'
S.D. COUNTY S.D. COUNTY

ESCONDIDO ESCONDIDO
W:\17729_SanMarcosDMP\GIS\DeliverableMaps\SMDMP_C_100yrResultsMaps_11x17.mxd City of San Marcos - Drainage Master Plan

APPENDIX C
Existing Deficient Systems, 100 Year Results - Sheet 151 Major River / Stream
Sub-Catchments
Existing Inventory
Channel Confluence
Cleanout
Curb Inlet
Curb Outlet
Detention Basin
Inlet
Outlet
Other
Separator
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
50-YR Flood Inundation
10-YR Flood Inundation
100-YR Flood Inundation
Storm Detention Basin
Surcharging Junctions
Surcharging Conduits
Only Upstream Surcharging
Only Downstream
Surcharging
Both Upstream and
Downstream Surcharging
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 138
SEE SHEET 150SEE SHEET 152

SSUUNNSSEETT HHEEIIGGHHTTSSRRDD

JANA PL JANA PL

LLAA HHAABBRRAA GGLLEENN

FOUNTAIN PL FOUNTAIN PL

SONIA PL SONIA PL

LLAA HHAABBRRAA SSTT

MIRAMONTE GLEN MIRAMONTE GLEN

SSAANN JJAACCIINNTTOOGGLLEENN

LOOKOUT PT PL LOOKOUT PT PL

SSKKYYHHILILLL PPLL

N NUTMEG ST

IMPERIAL DR IMPERIAL DR

EEAAGGLLEESSUUM

MITIT PPLL

GGRRAANNDDVVIIEEWCCTT

HHEERRMMOOSSIILLLLOOGGLLEENN TURTLE DOVE LN TURTLE DOVE LN

LOOKOUT PT PL LOOKOUT PT PL

VIA SCOTT

VIA SCOTT

LA PALOMA AV LA PALOMA AV
VVIAIA

AALLEEXXAANNDDRRAA

CCHHEERROOKKEEEELLNN

LLEEOO CCTT

PRIVATE RD PRIVATE RD

MMEEMMOORRYY LLNN

BELLINDA ST

CCAARRAAWWAAYY SSTT
15 880'
880'
870'
870'
860' 860'
840' 840'
830'
830'
820'
820'
850'
850'
800'
800'
790' 790'
780' 780'
770'
770'
760' 760'
850' 850'
840'
840'
830' 830'
820'
820'
810' 810'
800'
800'
780' 780'
770' 770'
760'
760'
750'
750'
860' 860'
790' 790'
850'
850'
840'
840'
830' 830'
820'
820'
810' 810'
800' 800'
790' 790'
780'
780'
770'
770'
750' 750'
740'
740'
850'
850'
840' 840'
830' 830'
820' 820'
810' 810'
800' 800'
840'
840'
820' 820'
810'
810'
800' 800'
790'
790'
780' 780'
770' 770'
760' 760'
750' 750'
880' 880'
870' 870'
860'
860'
810' 810'
800' 800'
800'
800'
790'
790'
840' 840'
830'
830'
810'
810'
750'
750'
740'
740'
730' 730'
760'
760'
790' 790'
790'
770' 770'
850'
850'
840' 840'
830' 830'
810'
780' 780'
740'
740'
890' 890'
880'
880'
S.D. COUNTY S.D. COUNTY

ESCONDIDO ESCONDIDO
W:\17729_SanMarcosDMP\GIS\DeliverableMaps\SMDMP_C_100yrResultsMaps_11x17.mxd City of San Marcos - Drainage Master Plan

APPENDIX C
Existing Deficient Systems, 100 Year Results - Sheet 152 Major River / Stream
Sub-Catchments
Existing Inventory
Channel Confluence
Cleanout
Curb Inlet
Curb Outlet
Detention Basin
Inlet
Outlet
Other
Separator
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
50-YR Flood Inundation
10-YR Flood Inundation
100-YR Flood Inundation
Storm Detention Basin
Surcharging Junctions
Surcharging Conduits
Only Upstream Surcharging
Only Downstream
Surcharging
Both Upstream and
Downstream Surcharging
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 139
SEE SHEET 151

CCAASSAA LLIINNDDAA WWYY

SMILAX RD SMILAX RD

PPOOININSSEETTTTIAIA
AAVV

MMIIMMOOSSAA
AAVV

PRIVATE RD

PRIVATE RD

OLEANDER AV

CALHOUN CT

MATTE LN

PRIVATE RD

PRIVATE RD

PRIVATE RD

ADELINE CT

PRIVATE RD

POINSETTIA AV
78 Agua Hedionda Creek
480'
480'
470'
470'
460'
460'
450' 450'
440'
440'
430'
430'
490'
490'
420'
420'
470'
470'
450'
450'
440'
440'
430' 430'
480'
470'
460'
460'
450' 450'
440' 440'
450'
450'
440'
440'
450'
450'
440'
440'
410' 410'
450'
450'
490'
470' 470'
460'
460'
460'
460' 460'
440' 440'
440' 440'
440'
440'
430'
430'
430' 430'
430' 430'
430' 430'
430'
430'
420' 420'
410' 410' 410'
410'
CBIN11818
INLT10891 INLT10892
INLT10893
CLEN11524
CLEN11525
OTHR11544
OTHR11545
OTHR11546
OTLT10284
INLT10935
OTHR11597
OTHR11598
OTHR11599
OTHR11600
OTHR11601

SAN MARCOS SAN MARCOS

VISTA VISTA
S.D. COUNTY S.D. COUNTY
CHAN10693
PIPE14646
PIPE14776
CULV10257
CHAN10688
PIPE14679
PIPE14591
CHAN10687
CULV10255
CHAN10694
PIPE14590
PIPE14647
PIPE14778
CHAN10692
CBIN11889
OTLT10356
W:\17729_SanMarcosDMP\GIS\DeliverableMaps\SMDMP_C_100yrResultsMaps_11x17.mxd City of San Marcos - Drainage Master Plan

APPENDIX C
Existing Deficient Systems, 100 Year Results - Sheet 153 Major River / Stream
Sub-Catchments
Existing Inventory
Channel Confluence
Cleanout
Curb Inlet
Curb Outlet
Detention Basin
Inlet
Outlet
Other
Separator
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
50-YR Flood Inundation
10-YR Flood Inundation
100-YR Flood Inundation
Storm Detention Basin
Surcharging Junctions
Surcharging Conduits
Only Upstream Surcharging
Only Downstream
Surcharging
Both Upstream and
Downstream Surcharging
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 166
SEE SHEET 140
SEE SHEET 154

HYDRA CT
SS

SSAANN TTAA
FFEE
AAVV

LAS FLORES DR LAS FLORES DR

CCAASSAA LLIINNDDAA WWYY

PRIVATE RD

PRIVATE RD

AAVVNNDDAA
DDEE

SSUUEERRTTEE

PPRRIIVVAATTEE RRDD

EL TIGRE EL TIGRE

HOLLENCREST RD

NN LLAASS FFLLOORREESS DDRR

PRIVATE RD PRIVATE RD

PRIVATE RD PRIVATE RD

PRIVATE RD

PRIVATE RD PRIVATE RD

PRIVATE RD PRIVATE RD

DDEE LLEEOONNEE RRDD

PRIVATE RD PRIVATE RD
VVIIAA
LLAA

VVEENNTTAA

PRIVATE RD
78 620'
620'
600'
600'
610'
610'
530'
540' 540'
530'
520' 520'
510'
510'
500' 500'
480'
480'
490'
490'
550' 550'
560' 560'
570'
570'
580'
580'
470' 470'
640'
630'
590' 590'
580'
580'
560'
560'
550' 550'
570'
570'
540'
540'
530'
530'
480'
480'
470'
470'
510'
510'
500'
500'
620' 620'
610' 610'
600' 600'
520' 520'
500' 500'
490' 490'
480'
470'
490'
490'
480'
640'
640'
630'
630'
590' 590'
460'
460'
520'
520'
460'
460'
590' 590'
460' 460'
470'
590' 590'
590'
590'
540'
540'
540'
540'
540' 540'
490' 490'
480' 480'
470' 470'
460'
460' 460'
540' 540'
CLEN11381
INLT10803 CBIN11725
CBIN11726
INLT10804
CLEN11386
INLT10806
CBIN11729
CLEN11389
INLT10807
CLEN11390
CLEN11391
INLT10808
CLEN11392
INLT10809
CLEN11393
INLT10810
CLEN11394
INLT10811
CLEN11395
CLEN11396
CLEN11407
CBIN11735
INLT10819
CLEN11421
INLT10824
OTLT10225
CLEN11423 CBIN11752
CLEN11424 CLEN11425
CBIN11754
CBIN11755
CLEN11426
CBIN11757
OTLT10226
CLEN11427
INLT10826
INLT10827
CLEN11434
CLEN11435
CLEN11436
CLEN11437
CLEN11438
CLEN11439
CLEN11440
CLEN11441
CLEN11442
CLEN11443
CLEN11445 CLEN11444
CLEN11446
CLEN11447
CLEN11448
CLEN11449
OTHR11494 INLT10830
INLT10831
INLT10832
INLT10834
INLT10838
INLT10839
INLT10841 CLEN11488
CBIN11803
CBIN11804
CBIN11805
CLEN11491
CLEN11492
CBIN11806
CBIN11807 CLEN11493
INLT10879
CBIN11812
INLT10881
CBOL10006
INLT10882
CBIN11814
OTHR11502
OTHR11503 SEPR10033
INLT10885
CLEN11502
INLT10886
OTLT10242 INLT10887
OTHR11505
INLT10892
OTHR11506
OTHR11507
INLT10908
INLT10909
CLEN11526
OTHR11512
CBIN11848
CBIN11849
INLT10910
CLEN11527
INLT10911
CBIN11850
OTLT10254
CBIN11851
OTLT10283
CBIN11882
OTHR11593
OTHR11594
OTHR11595
OTHR11596

SAN MARCOS SAN MARCOS
PIPE14537
PIPE14280
PIPE14567
PIPE14286
PIPE14430
PIPE14282
PIPE14398
PIPE14565
PIPE14422
PIPE14434 PIPE14423
PIPE14660
PIPE14288
PIPE14306
PIPE14297
PIPE14421
PIPE14378
PIPE14294
PIPE14366
PIPE14407
PIPE14329
PIPE14574
FLOW10071
PIPE14532
PIPE14412
PIPE14287
PIPE14326
PIPE14393
PIPE14404
PIPE14529
PIPE14525
PIPE14395
PIPE14303
PIPE14533
PIPE14570
PIPE14305
PIPE14396
CHAN10683
PIPE14780
PIPE14283
PIPE14579
PIPE14281
PIPE14534
PIPE14284
PIPE14377
PIPE14420
PIPE14302
PIPE14679
PIPE14411
PIPE14397
PIPE14367
PIPE14304
PIPE14542
PIPE14658
PIPE14417
PIPE14531
PIPE14571
PIPE14429
PIPE14328
PIPE14289
PIPE14539
PIPE14566
PIPE14643
PIPE14300
PIPE14299
PIPE14358
PIPE14425
CHAN10686
CHAN10685 CHAN10684
PIPE14564
CHAN10687
PIPE14308
PIPE14538
PIPE14388
CULV10253
PIPE14357
PIPE14528
PIPE14530
PIPE14524
DTCH10439
PIPE14307
PIPE14435
PIPE14379
PIPE14540
PIPE14642
PIPE14527
FLOW10061
PIPE14781
W:\17729_SanMarcosDMP\GIS\DeliverableMaps\SMDMP_C_100yrResultsMaps_11x17.mxd City of San Marcos - Drainage Master Plan

APPENDIX C
Existing Deficient Systems, 100 Year Results - Sheet 154 Major River / Stream
Sub-Catchments
Existing Inventory
Channel Confluence
Cleanout
Curb Inlet
Curb Outlet
Detention Basin
Inlet
Outlet
Other
Separator
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
50-YR Flood Inundation
10-YR Flood Inundation
100-YR Flood Inundation
Storm Detention Basin
Surcharging Junctions
Surcharging Conduits
Only Upstream Surcharging
Only Downstream
Surcharging
Both Upstream and
Downstream Surcharging
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 141
SEE SHEET 153SEE SHEET 155

WW BBOORRDDEENN RRDD

CAM DEL SOL
HH
YY
DD
RRAA
CCTT

MARTINGALE LN

ALTA CT

CTE ENCANTO CTE ENCANTO

AAVVNNDDAA

RREEGGIINNAA

CTE FAMOSA CTE FAMOSA
C

AVNDA CORDOBA AVNDA CORDOBA

CAASSITITAA LLNN

CTE LOREN CTE LOREN

CURRY COMB DR CURRY COMB DR

CTE GALANTE CTE GALANTE

PEGASUS WY

CTE RAQUEL CTE RAQUEL

N LAS POSAS RD N LAS POSAS RD

AVNDA BLANCO AVNDA BLANCO

AVNDA VERDE

AVNDA VERDE

AVNDA AZUL

AVNDA AZUL
LLOO
MM
AA

AA LLTTAA DDRR
660'
660'
650' 650'
640' 640'
630' 630'
620' 620'
610' 610'
600' 600'
590'
590'
580' 580'
570' 570'
710' 710'
700'
700'
690'
690'
680'
680'
670'
670'
640' 640'
630' 630'
620'
620'
610'
610'
600'
600'
710' 710'
700'
700'
690'
690'
730'
730'
720' 720'
680'
680'
670' 670'
700'
700'
690' 690'
680' 680'
670' 670'
660' 660'
650' 650'
640' 640'
630' 630'
620' 620'
670' 670'
650' 650'
660' 660'
640' 640'
630' 630'
620' 620'
720'
710'
700'
690'
690'
730'
730'
720'
720'
720'
730'
730'
720'
660'
660'
650'
650'
600'
600'
590'
590'
660' 660'
680'
680'
720' 720'
710' 710'
710' 710'
710' 710'
710' 710'
700'
680' 680'
680' 680'
670' 670'
660' 660'
650'
650'
610' 610'
CBIN10728
CLEN10459
CBIN10729
CLEN10460
INLT10309
CBIN10742
INLT10316
CLEN10464
CLEN10465
CBIN10744 CBIN10747
CLEN10482 CBIN10753
CBIN10765
CLEN10483
OTHR10637
INLT10324
CBIN10778
INLT10325 CLEN10485
CLEN10486
CBIN10779
CBIN10795
CLEN10496
CBIN10796
CBIN10797 CBIN10798
CLEN10497 CBIN10799
CBIN10801 CLEN10498
CBIN10803
CLEN10500 CLEN10501
CLEN10502
CBIN10804
CLEN10503
CLEN10504
CBIN10807
CBIN10811 CLEN10508
CLEN10509
OTLT10089
INLT10345
INLT10381 CLEN10582
OTHR10836
OTHR10837
OTHR10838
OTHR10839
OTHR10840 OTHR10841
OTHR10843
OTHR10844
OTHR10845
CBIN11736
CBIN11737
CBIN11738
CBIN11739
CBIN11740
CLEN11408 INLT10820
CLEN11410 CLEN11411
CLEN11412
INLT10821
CBIN11742
OTLT10226
CLEN11427
CBIN11760
CLEN11428
CBIN11761
CLEN11429
CLEN11430
CLEN11431
CBIN11762
CBIN11763
INLT10825
CLEN11433
OTLT10227 INLT10828
INLT10846 OTLT10228
CLEN11528

SAN MARCOS SAN MARCOS
PIPE14385
PIPE11694
PIPE11757
PIPE14441
PIPE11762
PIPE14336
PIPE11645 PIPE11754
PIPE14334
PIPE14371
PIPE14338
PIPE14660
PIPE11749
PIPE11756
PIPE11766
PIPE14424
PIPE14341
PIPE14373
PIPE11666
PIPE14370
PIPE11771
PIPE11663
PIPE11639
PIPE14340
PIPE14344
PIPE11758
PIPE11644
PIPE11753
PIPE14356
PIPE14346
PIPE11855
PIPE11684
PIPE11752
PIPE14339
PIPE11776
PIPE11662
PIPE11648
PIPE14353
CHAN10316
PIPE14345
PIPE11683
PIPE12241
PIPE11682
PIPE11765
FLOW10061
PIPE12055
PIPE14342
DTCH10439
PIPE11620
PIPE11710
PIPE11763
PIPE11711
PIPE11751
CHAN10315
CHAN10308
PIPE14343
CHAN10306 CHAN10307
CHAN10314
CHAN10309
PIPE11669
PIPE14430
PIPE14335
PIPE12043
PIPE11750
PIPE11642
PIPE14375
PIPE14365
PIPE14386
PIPE11681
PIPE12054
PIPE11747
PIPE11761
PIPE11670
PIPE11709
PIPE11643
CHAN10313
PIPE11621
PIPE11767
PIPE11712
PIPE11661
CHAN10305
PIPE11664
PIPE14333
PIPE14337
W:\17729_SanMarcosDMP\GIS\DeliverableMaps\SMDMP_C_100yrResultsMaps_11x17.mxd City of San Marcos - Drainage Master Plan

APPENDIX C
Existing Deficient Systems, 100 Year Results - Sheet 155 Major River / Stream
Sub-Catchments
Existing Inventory
Channel Confluence
Cleanout
Curb Inlet
Curb Outlet
Detention Basin
Inlet
Outlet
Other
Separator
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
50-YR Flood Inundation
10-YR Flood Inundation
100-YR Flood Inundation
Storm Detention Basin
Surcharging Junctions
Surcharging Conduits
Only Upstream Surcharging
Only Downstream
Surcharging
Both Upstream and
Downstream Surcharging
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 142
SEE SHEET 154SEE SHEET 156

CCAAMM DDEELL SSOOLL

TTEESSOORROOAAVV
VVIIAA
DDEE

PPLLAATTAA

AAVVNNDDAA

AAGGUULILI AA

WW BBOORRDDEENN RRDD

CTE ENCANTO CTE ENCANTO

CALLE CAPISTRANO CALLE CAPISTRANO

CCTTEEFFAAMMOOSSAA

BIRD CT BIRD CT

CTE GALANTE CTE GALANTE
JJAAYY
CCTT
VVIIAA
BB
AA
RR

QQUUEERR OO

FEATHER DR FEATHER DR

CALLE EMPARRADO

CC AAMM MM
AA

GG NNIIFFII CC
OO

CAMTO AMARILLO
830'
810' 810'
800' 800'
790' 790'
770' 770'
760' 760'
750' 750'
740' 740'
720'
730'
730'
710'
720'
700'
710'
690'
700'
680' 680'
690'
670' 670'
660'
660'
640'
640'
820'
820'
780' 780'
750' 750'
740' 740'
730'
730'
720'
720'
710'
710'
700'
700'
690' 690'
680'
680'
760' 760'
750' 750'
740' 740'
730'
730'
750' 750'
740' 740'
730'
730'
720' 720'
720'
730' 730'
700'
710' 710'
720'
690' 690'
700'
680'
680'
670' 670'
670' 670'
650'
650'
640'
640'
630' 630'
620' 620'
610' 610'
600' 600'
650'
630' 630'
620' 620'
660'
660'
690' 690'
660'
660'
750'
750'
730'
730'
680'
680'
670' 670'
670' 670'
770' 770' 740' 740'
710'
710'
690' 690'
680'
680'
640' 640'
CBIN10657
CLEN10434
CBIN10658
CBIN10660
CLEN10435 CBIN10661
CLEN10436 CLEN10437
CBIN10663
CLEN10438
CBIN10732
CBIN10733 CBIN10734 CBIN10737
CBIN10738
OTHR10631
INLT10313
CBIN10759
CBIN10766
CBIN10767
CBIN10768
CBIN10769
CBIN10770
CBIN10771
CBIN10772
INLT10322
INLT10323
CBIN10773
CBIN10774
CBIN10775 CBIN10776
CBIN10777
CLEN10489
INLT10326
CBIN10781
CLEN10505
CLEN10506
CBIN10808
CBIN10809
CBIN10810
CLEN10507
CLEN10509
CLEN10565
INLT10376
CBIN10944
CLEN10567
CLEN10568 CBIN10945
INLT10377
CLEN10569
CLEN10570
INLT10378
INLT10379
CLEN10571
CLEN10572
CLEN10573
INLT10382 CLEN10580
CLEN10581 CLEN10582
CBIN10977

SAN MARCOS SAN MARCOS
PIPE12037
PIPE11507
PIPE11518
PIPE12045
PIPE11743
PIPE12032
PIPE11742
PIPE11733
PIPE12057
PIPE11514
PIPE11738
PIPE11722
PIPE11729
PIPE11769
PIPE12036
PIPE11731
PIPE11504
PIPE11509
PIPE11629
PIPE11598
PIPE11508
PIPE12055
PIPE11736
PIPE11597
PIPE11737
PIPE11768
PIPE11637
PIPE12243
PIPE11512
PIPE11734
PIPE11516
PIPE11505
PIPE12039
PIPE11596
PIPE11740
PIPE11770
PIPE12043
PIPE11635
PIPE12040
PIPE11771
PIPE12031
PIPE12041
PIPE12042
PIPE12030
PIPE11741
PIPE11727
PIPE12044
PIPE11517
PIPE12056
PIPE11764
PIPE12053
PIPE11730
PIPE11767
PIPE11728
PIPE12034
PIPE11515
PIPE11739
PIPE11726
PIPE12035
PIPE12029
PIPE11735
PIPE11732
PIPE11513
W:\17729_SanMarcosDMP\GIS\DeliverableMaps\SMDMP_C_100yrResultsMaps_11x17.mxd City of San Marcos - Drainage Master Plan

APPENDIX C
Existing Deficient Systems, 100 Year Results - Sheet 156 Major River / Stream
Sub-Catchments
Existing Inventory
Channel Confluence
Cleanout
Curb Inlet
Curb Outlet
Detention Basin
Inlet
Outlet
Other
Separator
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
50-YR Flood Inundation
10-YR Flood Inundation
100-YR Flood Inundation
Storm Detention Basin
Surcharging Junctions
Surcharging Conduits
Only Upstream Surcharging
Only Downstream
Surcharging
Both Upstream and
Downstream Surcharging
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 143
SEE SHEET 155SEE SHEET 157

WW BBOORRDDEENN
RRDD
1130' 1130'
1120'
1120'
1110' 1110'
1100' 1100'
1090' 1090'
1080' 1080'
1070'
1070'
1060'
1060'
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'
890'
880'
860'
850'
840'
830'
820'
810'
800'
790'
780'
770'
760'
760'
750' 750'
1190' 1190'
1180' 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'
1000'
990'
980'
970'
960'
950'
950'
930' 930'
920' 920'
910' 910'
900' 900'
890'
890'
850'
850'
840'
840'
880'
820' 820'
810' 810'
800' 800'
790'
1010'
1010'
980'
990' 990'
1000' 1000'
980'
960' 960'
970'
970'
940' 940'
950'
950'
930'
920' 920'
910'
910'
890' 890'
880' 880'
870'
870'
860' 860'
840' 840'
830' 830'
820' 820'
810' 810'
800' 800'
850'
790' 790'
780' 780'
1110'
1110'
1100' 1100' 1090' 1090'
1080' 1080'
1070' 1070'
1060' 1060'
1050' 1050'
1040' 1040'
1030' 1030'
1020' 1020'
1010' 1010'
1000' 1000'
1070' 1070'
1060' 1060'
1050'
1040'
1030'
1020'
1020'
1010'
1010'
1000'
1000'
940'
940'
930'
930'
920'
920'
910'
910'
900' 900'
890'
890'
880'
880'
870'
870'
1140'
1140'
1130' 1130'
1120' 1120'
1110' 1110'
1100'
1100'
1090' 1090'
960' 960'
950'
950'
940'
940'
930'
930'
920'
920'
910'
910'
830' 830'
820'
810'
800'
790'
790'
780'
780'
770'
760'
1130' 1130'
1120'
1120'
1110' 1110'
1100' 1100'
990'
990'
980'
970'
970'
960' 960'
950' 950'
860' 860'
850' 850'
840' 840'
1130' 1130'
1120' 1120'
1110'
1110'
1100' 1100'
1060'
1060'
1050'
1050'
1040'
1040'
1030'
1030'
990' 990'
980' 980'
970'
970'
960'
960'
950'
950'
950' 950'
940' 940'
930' 930'
920' 920'
1080' 1080'
1070' 1070'
1000' 1000'
980' 980'
940' 940'
930' 930'
840'
840'
830'
830'
760'
760'
770'
770'
750'
740' 740'
750' 750'
740' 740'
1150' 1150'
1140' 1140'
770'
760'
750' 750'
740'
740'
990'
990'
980' 980'
870' 870'
860'
860'
1050' 1050'
870'
870'
740' 740'
730'
1010' 1010'
940' 940'
830' 830'
1020' 1020'
900' 900'
1090' 1090'
1000'
1090' 1090'
1150'
1150'
1010' 1010'
960' 960'
730' 730'
740'
740'
CBIN10654
CLEN10430
CBIN10655
CBIN10657
CBIN10658
CBIN10661
INLT10300
INLT10314
INLT10315
CLEN10524
CLEN10525
INLT10338

SAN MARCOS SAN MARCOS
PIPE11503
PIPE12172
PIPE11514
PIPE11508
PIPE11831
PIPE11506
PIPE11829
PIPE11597
PIPE11505
PIPE11509
PIPE11510
PIPE11515
PIPE11830
W:\17729_SanMarcosDMP\GIS\DeliverableMaps\SMDMP_C_100yrResultsMaps_11x17.mxd City of San Marcos - Drainage Master Plan

APPENDIX C
Existing Deficient Systems, 100 Year Results - Sheet 157 Major River / Stream
Sub-Catchments
Existing Inventory
Channel Confluence
Cleanout
Curb Inlet
Curb Outlet
Detention Basin
Inlet
Outlet
Other
Separator
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
50-YR Flood Inundation
10-YR Flood Inundation
100-YR Flood Inundation
Storm Detention Basin
Surcharging Junctions
Surcharging Conduits
Only Upstream Surcharging
Only Downstream
Surcharging
Both Upstream and
Downstream Surcharging
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 144
SEE SHEET 156SEE SHEET 158

LEGACY DR LEGACY DR
WW
BBEELL

EESSPPRRIITT CCRR

PPRRIIVVAATTEE RRDD
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'
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'
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'
860'
860'
850'
850'
840'
840'
830' 830'
820' 820'
810' 810'
820'
820'
810'
810'
800'
800'
780'
780'
770' 770'
990' 990'
980' 980'
970'
970'
960'
960'
820'
820'
810'
810'
800' 800'
790'
780'
780'
810' 810'
800' 800'
790'
790'
770' 770'
760' 760'
750' 750'
740' 740'
730'
730'
710' 710'
700' 700'
690' 690'
720'
720'
710' 710'
700' 700'
690' 690'
680'
680'
720' 720'
710'
710'
700' 700'
690' 690'
680' 680'
690'
670'
840'
840'
830'
830'
820'
820'
810' 810'
800' 800'
790'
790'
780'
780'
780' 780'
770'
770'
760'
760'
750'
750'
740' 740'
730'
730'
720' 720'
680' 680'
670' 670'
660'
660'
840'
840'
830' 830'
690'
690'
680' 680'
880'
880'
730'
850' 850'
640'
640'
790'
790'
810'
810'
790' 790'
980' 980' 820' 820'
790'
790'
760'
760'
740'
740'
740' 740' 740' 740'
720'
720'
700' 700'
680'
680'
680'
680'
680'
680'
680'
670' 670'
670'
670'
650' 650'
CBIN10018 CBIN10019
CLEN10012 CLEN10013
CLEN10014
CLEN10015
CLEN10016 CBIN10020
CBIN10021
INLT10008
CLEN10023
OTLT10013

SAN MARCOS SAN MARCOS
PIPE10033
PIPE10031
PIPE10074
PIPE10073
PIPE10041
PIPE10032
PIPE10675
PIPE10134
W:\17729_SanMarcosDMP\GIS\DeliverableMaps\SMDMP_C_100yrResultsMaps_11x17.mxd City of San Marcos - Drainage Master Plan

APPENDIX C
Existing Deficient Systems, 100 Year Results - Sheet 158 Major River / Stream
Sub-Catchments
Existing Inventory
Channel Confluence
Cleanout
Curb Inlet
Curb Outlet
Detention Basin
Inlet
Outlet
Other
Separator
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
50-YR Flood Inundation
10-YR Flood Inundation
100-YR Flood Inundation
Storm Detention Basin
Surcharging Junctions
Surcharging Conduits
Only Upstream Surcharging
Only Downstream
Surcharging
Both Upstream and
Downstream Surcharging
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 145
SEE SHEET 157SEE SHEET 159

DANE DR

N TWIN OAKS VALLEY RD N TWIN OAKS VALLEY RD

SUNSET CT SUNSET CT

ROSE CT ROSE CT

CHESTERFIELD CR CHESTERFIELD CR

LLAANNDDMMAARRKK PPLL

LLAANNDDMMAARRKK
CCTT

PEACH WY PEACH WY

WOODWARD ST

WOODWARD ST

MMAAYYBBRRITITTT CCRR

LEGACY DR LEGACY DR

PPRRIIVVAATTEE RRDD

KK EENNTTFFIIEELLDD DDRR

LLAAWWNNSSDDAALLEE PPLL

MMAAYYBBRRITITTT CCRR

GOLF GLEN DR GOLF GLEN DR
730' 730'
720'
720'
710'
710'
700' 700'
690'
690'
680' 680'
670' 670'
650'
660' 660'
640' 640'
650'
670' 670'
660' 660'
650' 650'
700' 700'
690' 690'
670' 670'
660'
660'
650'
650'
640'
640'
630'
630'
720'
710'
700'
690' 690'
680' 680'
740'
730'
720'
710'
700'
640' 640'
630' 630'
630' 630'
620' 620'
690' 690'
680'
680'
690' 690'
680'
680'
690'
690'
680' 680'
640' 640'
630'
630'
640'
630'
630' 630'
620' 620'
620'
620'
610'
610'
620' 620'
610' 610'
610'
650' 650'
690' 690' 690' 690'
690'
690'
640'
640'
700' 700'
690' 690'
690' 690'
660' 660'
650'
650'
650' 650'
640' 640'
640' 640'
630' 630'
610' 610'
680'
680'
640'
640'
INLT10022
CBIN10083
CLEN10047
CLEN10048
CLEN10049
CBIN10084
CBIN10085
CBIN10086 CBIN10087
CBIN10088 CLEN10050
CBIN10090
CLEN10052
INLT10023
OTHR10020
CLEN10053
CLEN10054
CBIN10091
CLEN10055
CBIN10092
CBIN10093
INLT10024
CBIN10095
CBIN10096
CBIN10097
CBIN10098
OTHR10021
CLEN10057
CBIN10107
CBIN10108
CBIN10118
INLT10031
INLT10032
CBIN10119
CLEN10169
CLEN10170 CLEN10171
OTHR10084
CLEN10172
OTHR10085
CBIN10260
CBIN10261
CBIN10282
CBIN10296
CBIN10297

SAN MARCOS SAN MARCOS
PIPE10165
PIPE10194
PIPE10583
PIPE10155
PIPE10169
PIPE10182
PIPE10189
PIPE10637
PIPE10582
PIPE10008
PIPE10176 PIPE10173
PIPE10009
PIPE10007
PIPE10020
PIPE10196
PIPE10178
PIPE10195
PIPE10167
PIPE10580
PIPE10174
PIPE10578
PIPE10321
PIPE10584
PIPE10192
PIPE10197
PIPE10011
PIPE10179
PIPE10049
PIPE10181
PIPE10576
PIPE10577
PIPE10177
PIPE10172
CULV10003
PIPE10171
PIPE10198
PIPE10156
PIPE10183
OTLT10299
OTLT10311
OTLT10312
W:\17729_SanMarcosDMP\GIS\DeliverableMaps\SMDMP_C_100yrResultsMaps_11x17.mxd City of San Marcos - Drainage Master Plan

APPENDIX C
Existing Deficient Systems, 100 Year Results - Sheet 159 Major River / Stream
Sub-Catchments
Existing Inventory
Channel Confluence
Cleanout
Curb Inlet
Curb Outlet
Detention Basin
Inlet
Outlet
Other
Separator
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
50-YR Flood Inundation
10-YR Flood Inundation
100-YR Flood Inundation
Storm Detention Basin
Surcharging Junctions
Surcharging Conduits
Only Upstream Surcharging
Only Downstream
Surcharging
Both Upstream and
Downstream Surcharging
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 146
SEE SHEET 158SEE SHEET 160

LLAAMMPPLLIIGGHHTTEERRRRDD

DDAANNEEDDRR

PPRRIIVVAATTEEDDYY

SHADY CREST RD SHADY CREST RD

FLORAL CT FLORAL CT

CARRIAGE DR CARRIAGE DR

MULBERRY DR MULBERRY DR

DDAANN EE
DDRR

ORLA ST

ORLA ST

CANDLELITE DR CANDLELITE DR

GREEN HILL CT GREEN HILL CT

LLAANNTTAANNAA
CCTT

PPRRIVIVAATTEE
DDYY

CCRRIMIMSSOONNDDRR

ALLEY ALLEY

SALET PL

ELM TREE LN ELM TREE LN

AARRIIAANNAA RRDD

PRIVATE DY PRIVATE DY

RROOBBININ

HHILILLL
DDRR

VIKING LN VIKING LN

BANYAN CT

CCOOLLLLAADDOO LL NN

TTUURRTTLLEE PPOOIINNTTWWYY
770'
760'
750'
750'
740' 740'
730'
730'
720' 720'
710' 710'
700' 700'
690'
680' 680'
800' 800'
790'
790'
780' 780'
740'
740'
730' 730'
720'
720'
700'
700'
730' 730'
720' 720'
710' 710'
710' 710'
700' 700'
780'
780'
770' 770'
760' 760'
750' 750'
740'
740' 740'
730' 730'
720' 720'
730'
720'
720'
720'
700'
700'
710' 710'
720'
710'
710'
710' 710'
700'
700' 700'
660'
660'
650' 650'
670' 670'
710'
710'
740'
740'
700'
700'
730'
730'
790'
790'
740'
690'
690'
690' 690'
680' 680'
790'
790'
690' 690'
660'
660'
650'
650'
CBIN10003
CLEN10001
CBIN10004
CBIN10005
CLEN10002
CLEN10003 INLT10001
CBIN10028
CBIN10032
CLEN10021
CBIN10033
CBIN10034 CBIN10035
CBIN10052
INLT10043
CBIN10143
CBIN10144
CBIN10145
OTHR10042
OTHR10043
CBIN10178
CBIN10179
INLT10052
CLEN10109 OTHR10057
OTHR10059
CBIN10182
CBIN10183
CBIN10184
OTHR10060
CLEN10175 CLEN10176
CLEN10177
OTHR10096
CBIN10271
CBIN10273 CLEN10185
CBIN10284
CBIN10285
CBIN10288
CBIN10290
CBIN10291
CBIN10292
OTHR10104
INLT10115
OTHR10184
OTHR10185
OTHR10186

SAN MARCOS SAN MARCOS
PIPE10354
PIPE10646
PIPE10639
PIPE10027
PIPE10643
PIPE10076
PIPE10079
PIPE10642
PIPE10136
PIPE10016
PIPE10640
PIPE10029
PIPE10364
PIPE10363
FLOW10002
PIPE10617
PIPE10645
PIPE10637
PIPE10615
PIPE10138
PIPE10071
DTCH10097
PIPE10362
DTCH10096
PIPE10359
PIPE10369
PIPE10025
PIPE10023
PIPE10663
PIPE10644
PIPE10139
PIPE10367
PIPE10082
PIPE10075
PIPE10365
PIPE10366
PIPE10356
PIPE10638
PIPE10024
PIPE10142
PIPE10068
PIPE10360
PIPE10022
PIPE10618
PIPE10616
PIPE10358
PIPE10019
FLOW10006
W:\17729_SanMarcosDMP\GIS\DeliverableMaps\SMDMP_C_100yrResultsMaps_11x17.mxd City of San Marcos - Drainage Master Plan

APPENDIX C
Existing Deficient Systems, 100 Year Results - Sheet 160 Major River / Stream
Sub-Catchments
Existing Inventory
Channel Confluence
Cleanout
Curb Inlet
Curb Outlet
Detention Basin
Inlet
Outlet
Other
Separator
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
50-YR Flood Inundation
10-YR Flood Inundation
100-YR Flood Inundation
Storm Detention Basin
Surcharging Junctions
Surcharging Conduits
Only Upstream Surcharging
Only Downstream
Surcharging
Both Upstream and
Downstream Surcharging
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 147
SEE SHEET 159SEE SHEET 161

RICHLAND RD RICHLAND RD

PPOONNDDEERROOSSAA AAVV

CCRRIMIMSSOONN DDRR

LACEBARK ST

PRIVATE RD

PRIVATE RD PRIVATE RD

HOPPER AV HOPPER AV

PRIVATE RD PRIVATE RD

PRIVATE RD PRIVATE RD

PRIVATE RD

PRIVATE RD PRIVATE RD

SSAALLEETTPPLL

CYPRESS CR CYPRESS CR

PPRRIVIVAATTEERRDD

TTUUSSCCAANNYY AAVV

PPAASSCCAALLII CCTT

PRIVATE DY PRIVATE DY

RRUUSSKKIINN PPLL

PPRRIIVVAATTEE RRDD

ROSE RANCH RD

PRIVATE DY

CARMEN CT CARMEN CT

PPII NNOONN SSTT

WULFF ST

PPRRIIVVAATTEE RRDD
950'
950'
940'
940'
930'
930'
920'
920'
910' 910'
900' 900'
890' 890'
880' 880'
870'
870'
860' 860'
850' 850'
840' 840'
820'
820'
810'
810'
800' 800'
790' 790'
780'
780'
770'
770'
750' 750'
730' 730'
720'
720'
840'
830'
820'
820'
810'
800'
790'
780'
760'
810'
810'
800' 800'
790'
790'
780' 780'
770'
770'
760' 760'
750'
750'
730' 730'
720'
720'
750' 750'
740' 740'
780'
780'
770' 770'
800'
800'
790'
790'
780'
780'
760'
760'
790'
790'
780' 780'
770'
770'
840' 840'
830' 830'
750'
740'
760'
760'
750'
750'
740' 740'
740' 740'
730'
830'
820'
820'
830' 830'
820' 820'
790' 790'
780' 780'
770' 770'
760' 760'
760'
750'
760' 760'
750'
750'
710' 710'
710' 710'
730' 730'
770' 770'
790' 790'
760' 760'
760' 760'
760'
740'
740'
840'
840'
800' 800'
790' 790'
790'
790'
770' 770'
730'
730'
730' 730'
730' 730'
730'
730'
720'
720'
720' 720'
710'
710'
730' 730'
CBIN10028
CBIN10029
OTLT10023
OTLT10024
CBIN10383
CBIN10384
CBIN10385
CBIN10386
CBIN10599
OTHR10315
CBIN10600
CLEN10404
OTHR10316
INLT10246
INLT10247
OTHR10317
CBIN10602
CLEN10405
INLT10250
CBIN10603 CLEN10406
CBIN10604 CLEN10407
OTLT10062
OTHR10352
OTHR10426
OTHR10427
OTHR10428
OTHR10429
S.D. COUNTY S.D. COUNTY

SAN MARCOS SAN MARCOS

ESCONDIDO ESCONDIDO
PIPE11319
PIPE11331
PIPE11316
CHAN10037
PIPE10917
PIPE11329
PIPE10920
PIPE11330
CHAN10015
PIPE11323
PIPE11318
PIPE10025
PIPE11327
PIPE11332
PIPE10071
PIPE11324
PIPE11325
CHAN10038
CHAN10039
PIPE11320
CHAN10040
PIPE11321
DTCH10236
PIPE11322
DTCH10235
W:\17729_SanMarcosDMP\GIS\DeliverableMaps\SMDMP_C_100yrResultsMaps_11x17.mxd City of San Marcos - Drainage Master Plan

APPENDIX C
Existing Deficient Systems, 100 Year Results - Sheet 161 Major River / Stream
Sub-Catchments
Existing Inventory
Channel Confluence
Cleanout
Curb Inlet
Curb Outlet
Detention Basin
Inlet
Outlet
Other
Separator
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
50-YR Flood Inundation
10-YR Flood Inundation
100-YR Flood Inundation
Storm Detention Basin
Surcharging Junctions
Surcharging Conduits
Only Upstream Surcharging
Only Downstream
Surcharging
Both Upstream and
Downstream Surcharging
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 148
SEE SHEET 160SEE SHEET 162

PRIVATE DY
WW
OO

OODDLLAANNDD PPYY

BORDEN RD BORDEN RD

PONDEROSA AV PONDEROSA AV

EL NORTE PY

CCAALLLLEE MMAARRIIAA

LLAA CCIIEENNEEGGAA RRDD

AMBER DR

PPRR VIVI AATTEE DDYY

PRIVATE DY PRIVATE DY

PPRRIIVVAATTEE RRDD

PRIVATE DY PRIVATE DY

BRIANT ST

PINON ST

PPRRIVIVAATTEEDDYY

CYPRESS CR CYPRESS CR

DANCER PL

DANCER PL

PRIVATE DY

DDAANNCCEERRCCTT

ROSEMARY CT ROSEMARY CT

FOOTHILL VIEW WY FOOTHILL VIEW WY

PALOMINO CT

PPRRIIVVAATTEE
DDYY

PALOMINO DR

FOOTHILL VIEW PL FOOTHILL VIEW PL

PRIVATE DY PRIVATE DY

ALEGRIA PL

ALEGRIA PL

TTIIEERR
RR AA

DDUU RRAA
RR
DD

PPII NN OONN SSTT

PINTO CT PINTO CT

PPRR IIVVAATTEE RRDD

TOPAZ PL TOPAZ PL

PRIVATE DY

PRIVATE DY

PRIVATE RD

EL TORO LN
UNNAMED 9E ST

ANNA LN ANNA LN
PPRRII

VVAATTEE DDYY

PPRRIVIVAATTEE
DDYY

PPRRIIVVAATTEE DDYY
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'
760' 760'
750' 750'
720'
720'
710'
700' 700'
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'
840' 840'
830'
830'
820' 820'
810' 810'
800'
800'
790'
790'
930'
920'
920'
910'
910'
900'
900'
830' 830'
820' 820'
810' 810'
820'
820'
810' 810'
800' 800'
800'
800'
790' 790'
780'
780'
780' 780'
770' 770'
780' 780'
770' 770'
950'
950'
740' 740'
730'
730'
710'
710'
840' 840'
830'
830'
930' 930'
790'
760' 760'
740'
740'
720'
720'
720'
720' 720'
710' 710'
710'
710'
700'
720'
720'
710' 710'
OTHR10222
CLEN10257
CBIN10361
CLEN10260
INLT10141
CBIN10440
CBIN10441
INLT10160
CLEN10309
CBIN10442
OTLT10038
CBOL10002
CBIN10443
INLT10161
CBIN10444 CBIN10445
INLT10173
INLT10198
INLT10199
OTHR10326
CBIN10608
OTHR10480
OTHR10481
OTHR10482
OTHR10483
OTHR10484
S.D. COUNTY S.D. COUNTY

SAN MARCOS SAN MARCOS

ESCONDIDO ESCONDIDO
PIPE10997 PIPE11000
DTCH10149
DTCH10152
PIPE10858
PIPE10962
PIPE11005
PIPE11356
DTCH10155
PIPE11182
PIPE10957
DTCH10151
DTCH10154
DTCH10150
PIPE11077
PIPE11390
PIPE10862
PIPE11076
PIPE10956
PIPE10963
PIPE10961
PIPE10856
PIPE11484
W:\17729_SanMarcosDMP\GIS\DeliverableMaps\SMDMP_C_100yrResultsMaps_11x17.mxd City of San Marcos - Drainage Master Plan

APPENDIX C
Existing Deficient Systems, 100 Year Results - Sheet 162 Major River / Stream
Sub-Catchments
Existing Inventory
Channel Confluence
Cleanout
Curb Inlet
Curb Outlet
Detention Basin
Inlet
Outlet
Other
Separator
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
50-YR Flood Inundation
10-YR Flood Inundation
100-YR Flood Inundation
Storm Detention Basin
Surcharging Junctions
Surcharging Conduits
Only Upstream Surcharging
Only Downstream
Surcharging
Both Upstream and
Downstream Surcharging
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 149
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_C_100yrResultsMaps_11x17.mxd City of San Marcos - Drainage Master Plan

APPENDIX C
Existing Deficient Systems, 100 Year Results - Sheet 163 Major River / Stream
Sub-Catchments
Existing Inventory
Channel Confluence
Cleanout
Curb Inlet
Curb Outlet
Detention Basin
Inlet
Outlet
Other
Separator
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
50-YR Flood Inundation
10-YR Flood Inundation
100-YR Flood Inundation
Storm Detention Basin
Surcharging Junctions
Surcharging Conduits
Only Upstream Surcharging
Only Downstream
Surcharging
Both Upstream and
Downstream Surcharging
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 150
SEE SHEET 162SEE SHEET 164

GARY LN GARY LN

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

VVEERRAA LLNN

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'
930'
930'
920'
920'
910'
910'
900'
900'
890'
890'
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'
880' 880'
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_C_100yrResultsMaps_11x17.mxd City of San Marcos - Drainage Master Plan

APPENDIX C
Existing Deficient Systems, 100 Year Results - Sheet 164 Major River / Stream
Sub-Catchments
Existing Inventory
Channel Confluence
Cleanout
Curb Inlet
Curb Outlet
Detention Basin
Inlet
Outlet
Other
Separator
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
50-YR Flood Inundation
10-YR Flood Inundation
100-YR Flood Inundation
Storm Detention Basin
Surcharging Junctions
Surcharging Conduits
Only Upstream Surcharging
Only Downstream
Surcharging
Both Upstream and
Downstream Surcharging
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 151
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

AAMM 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'
850'
850'
840' 840'
830'
820'
810'
810'
800' 800'
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_C_100yrResultsMaps_11x17.mxd City of San Marcos - Drainage Master Plan

APPENDIX C
Existing Deficient Systems, 100 Year Results - Sheet 165 Major River / Stream
Sub-Catchments
Existing Inventory
Channel Confluence
Cleanout
Curb Inlet
Curb Outlet
Detention Basin
Inlet
Outlet
Other
Separator
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
50-YR Flood Inundation
10-YR Flood Inundation
100-YR Flood Inundation
Storm Detention Basin
Surcharging Junctions
Surcharging Conduits
Only Upstream Surcharging
Only Downstream
Surcharging
Both Upstream and
Downstream Surcharging
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 152
SEE SHEET 164

SS SSAANNTTAA FFEE AAVV

PPRRIIMM RROOSSEE AAVV

PPRRIIVVAATTEE
DRRD

PPOOININSSEETTTTIAIA
AAVV

SMILAX RD SMILAX RD

CALINDA DR

PPLLUUMMOOSSAA
AAVV

PLUMOSA AV

PPLLUUMMOOSSAA AAVV

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
78 Agua Hedionda Creek
560' 560'
550'
550'
540' 540'
530'
530'
520'
520'
510'
500'
490'
490'
480'
470'
470'
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_C_100yrResultsMaps_11x17.mxd City of San Marcos - Drainage Master Plan

APPENDIX C
Existing Deficient Systems, 100 Year Results - Sheet 166 Major River / Stream
Sub-Catchments
Existing Inventory
Channel Confluence
Cleanout
Curb Inlet
Curb Outlet
Detention Basin
Inlet
Outlet
Other
Separator
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
50-YR Flood Inundation
10-YR Flood Inundation
100-YR Flood Inundation
Storm Detention Basin
Surcharging Junctions
Surcharging Conduits
Only Upstream Surcharging
Only Downstream
Surcharging
Both Upstream and
Downstream Surcharging
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

VVIIAA AANNAACCAAPPAA

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
Agua Hedionda Creek
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'
530' 530'
540' 540'
540'
540'
540' 540'
530' 530'
510' 510'
520'
520' 520'
520'
520'
500' 500'
490' 490'
490'
490'
530' 530'
460' 460'
CLEN11386
CLEN11387
CLEN11388
INLT10806
INLT10808
CLEN11397
CBIN11731
CLEN11398
INLT10812
INLT10813 CLEN11399
CLEN11400
INLT10814
CLEN11402
INLT10815
CLEN11403
CLEN11404
INLT10817
CLEN11405
CLEN11407
INLT10818
OTLT10221
OTHR11492
CLEN11414
CBIN11745
CBIN11746
CLEN11416
SEPR10030
OTLT10223
CLEN11417
CLEN11418
CLEN11419 CBIN11748 CLEN11420
CBIN11749
CBIN11750 CBIN11751
INLT10835 INLT10836
INLT10837
CLEN11450
INLT10883
INLT10936
CLEN11551
INLT10937
OTHR11636

SAN MARCOS SAN MARCOS
S.D. COUNTY S.D. COUNTY
PIPE14332
PIPE14310
PIPE14426
PIPE14391
PIPE14382
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
OTHR11749
W:\17729_SanMarcosDMP\GIS\DeliverableMaps\SMDMP_C_100yrResultsMaps_11x17.mxd City of San Marcos - Drainage Master Plan

APPENDIX C
Existing Deficient Systems, 100 Year Results - Sheet 167 Major River / Stream
Sub-Catchments
Existing Inventory
Channel Confluence
Cleanout
Curb Inlet
Curb Outlet
Detention Basin
Inlet
Outlet
Other
Separator
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
50-YR Flood Inundation
10-YR Flood Inundation
100-YR Flood Inundation
Storm Detention Basin
Surcharging Junctions
Surcharging Conduits
Only Upstream Surcharging
Only Downstream
Surcharging
Both Upstream and
Downstream Surcharging
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 179
SEE SHEET 154
SEE SHEET 166SEE SHEET 168

VVIIAA 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
Agua Hedionda Creek
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'
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'
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'
610' 610'
620'
620'
590' 590'
600' 600'
580'
580'
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'
550' 550'
570' 570'
630' 630'
570' 570'
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' CBIN10742
INLT10316
CBIN10743
CLEN10467
CLEN10468
CLEN10469
CBIN10748 CLEN10470
CBIN10749
CLEN10471
CLEN10472
CBIN10750
INLT10317
OTHR10636
CLEN10494
CBIN10788 CBIN10789
CBIN10805
CBIN10806
CBIN10961
CBIN11664 CLEN11359
CBIN11666
CBIN11677
CLEN11364
CBIN11678
CBIN11679 CBIN11680
CBIN11681
CBIN11682
CBIN11683
CBIN11684
CBIN11685
CBIN11686 CBIN11687
CBIN11688
CBIN11689
OTLT10215
CLEN11365
CLEN11366
CBIN11696
CLEN11367
CBIN11697
CBIN11698 CBIN11699
INLT10796
CBIN11702
CBIN11703
CBIN11704
CBIN11714
OTLT10217
INLT10797
CLEN11372
CBIN11716
CLEN11373 OTLT10218
CBIN11717
INLT10823
CBIN11843
DETB10014
INLT10942
INLT10943
INLT10945
OTHR11634
OTHR11635
OTHR11636
OTHR11643
OTHR11679
OTHR11680
OTHR11681
OTHR11682
OTHR11683
OTHR11684

SAN MARCOS SAN MARCOS
S.D. COUNTY S.D. COUNTY
PIPE12123
PIPE11650
PIPE11716
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
W:\17729_SanMarcosDMP\GIS\DeliverableMaps\SMDMP_C_100yrResultsMaps_11x17.mxd City of San Marcos - Drainage Master Plan

APPENDIX C
Existing Deficient Systems, 100 Year Results - Sheet 168 Major River / Stream
Sub-Catchments
Existing Inventory
Channel Confluence
Cleanout
Curb Inlet
Curb Outlet
Detention Basin
Inlet
Outlet
Other
Separator
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
50-YR Flood Inundation
10-YR Flood Inundation
100-YR Flood Inundation
Storm Detention Basin
Surcharging Junctions
Surcharging Conduits
Only Upstream Surcharging
Only Downstream
Surcharging
Both Upstream and
Downstream Surcharging
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 155
SEE SHEET 167SEE SHEET 169

AAVVNNDDAA AARRAANNAA

VVIAIA BBAARRQQUUEERROO
CCAAMM

MMAAGGNNIFIFICICOO

VVIIAA CCOONNTTEESSSSAA

VVIAIA DDEE PPLLAATTAA

CCAALLLLEEPPRROOSSPPEERROO

CCTTEE PPEESSCCAADDOO

AAVVNNDDAA AABBEEJJAA

VIA CALIENTE

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
VVIIAA

BBAARRQQUUEERROO

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
780'
780'
770'
760'
750'
740'
730'
730'
720'
710'
700'
640'
690'
690'
680' 680'
660' 660'
650' 650'
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'
670' 670'
630' 630'
710'
720' 720'
690'
690'
680' 680'
800'
800'
760' 760'
740' 740'
720' 720'
720'
720'
710'
650'
650'
630' 630'
630'
630'
710'
710'
640'
640'
CLEN10437
CBIN10663
CLEN10439
CBIN10664
CBIN10665
CBIN10666
CBIN10667 CLEN10441 CLEN10442
CBIN10668
CBIN10669
CBIN10670
CBIN10671 CBIN10672
CBIN10673
CLEN10444
CLEN10445 CLEN10446
CBIN10678
CBIN10680
CBIN10683
CLEN10449
CBIN10684
CLEN10450 CBIN10685
CBIN10686
CLEN10451 CBIN10687
CBIN10689 CBIN10690
CBIN10692
CBIN10693
CBIN10694 CLEN10452
CBIN10695
CBIN10698 CBIN10697
CBIN10700
CBIN10701
CBIN10702
CLEN10454
CLEN10455
CBIN10703
CBIN10706 CBIN10704 CBIN10707
CBIN10711 CLEN10456
CBIN10712
CBIN10713
CBIN10714
CLEN10457
CBIN10718 CBIN10719
INLT10310
CBIN10732
CBIN10735
OTHR10627
INLT10312
OTHR10629
CLEN10463
CBIN10740
CBIN10757
CLEN10477
CBIN10758
CBIN10759
OTHR10635
INLT10320
OTHR10636 CBIN10780
CLEN10491
CLEN10492
CLEN10493
CBIN10783
CBIN10784
CBIN10785
CBIN10787
CBIN10789
CBIN10790
CBIN10791
CBIN10792
CLEN10495
CBIN10793
CBIN10794
CLEN11358
CBIN11663
CBIN11665
CBIN11667
CBIN11668 CLEN11360 CLEN11361
CBIN11669
CBIN11670
CBIN11671
CBIN11672
CLEN11368
CBIN11700
CBIN11701
CLEN11369
CLEN11370
CLEN11371
CBIN11703
CBIN11704
CBIN11715
CBIN11843
CBIN11844
CBIN11845

SAN MARCOS SAN MARCOS
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
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
W:\17729_SanMarcosDMP\GIS\DeliverableMaps\SMDMP_C_100yrResultsMaps_11x17.mxd City of San Marcos - Drainage Master Plan

APPENDIX C
Existing Deficient Systems, 100 Year Results - Sheet 169 Major River / Stream
Sub-Catchments
Existing Inventory
Channel Confluence
Cleanout
Curb Inlet
Curb Outlet
Detention Basin
Inlet
Outlet
Other
Separator
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
50-YR Flood Inundation
10-YR Flood Inundation
100-YR Flood Inundation
Storm Detention Basin
Surcharging Junctions
Surcharging Conduits
Only Upstream Surcharging
Only Downstream
Surcharging
Both Upstream and
Downstream Surcharging
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 156
SEE SHEET 168SEE SHEET 170

VVIAIA BBAARRQQUUEERROO

AVNDA AMISTAD

AAVVNNDDAA PPAANNTTEERRAA
CCTTEE

ZZ AAFFIIRROO
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'
790'
780' 780'
770' 770'
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'
1050'
1050'
1040'
1040'
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'
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'
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'
1020'
1010'
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'
1190'
1030'
1030'
810' 810'
950' 950'
1010' 1010'
840'
1050'
1050'
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'
INLT10301
CBIN10670
CBIN10674
CBIN10675
CBIN10676
CLEN10446
CBIN10677 INLT10303
CBIN10679
CLEN10447
CBIN10681
CLEN10448
CBIN10682
INLT10304
CBIN10685
CBIN10687
CBIN10691
CLEN10453
INLT10305
CBIN10705
CBIN10709
CBIN10710 CBIN10713
INLT10306

SAN MARCOS SAN MARCOS
PIPE11535
PIPE11608
PIPE11538
PIPE11575
PIPE11583
PIPE11531
PIPE11574
PIPE11603
PIPE11606
PIPE11601
PIPE11536
PIPE11527
PIPE11576
PIPE11607
PIPE11533
PIPE11550
PIPE11539
PIPE11604
PIPE11564
PIPE11532
PIPE11541
PIPE11568
W:\17729_SanMarcosDMP\GIS\DeliverableMaps\SMDMP_C_100yrResultsMaps_11x17.mxd City of San Marcos - Drainage Master Plan

APPENDIX C
Existing Deficient Systems, 100 Year Results - Sheet 170 Major River / Stream
Sub-Catchments
Existing Inventory
Channel Confluence
Cleanout
Curb Inlet
Curb Outlet
Detention Basin
Inlet
Outlet
Other
Separator
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
50-YR Flood Inundation
10-YR Flood Inundation
100-YR Flood Inundation
Storm Detention Basin
Surcharging Junctions
Surcharging Conduits
Only Upstream Surcharging
Only Downstream
Surcharging
Both Upstream and
Downstream Surcharging
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 157
SEE SHEET 169SEE SHEET 171

PPRRIIVVAATTEERRDD

DEERBROOK DR

DUCKWALK RD DUCKWALK RD

PRIVATE RD

PPRR IIVVAATTEE RRDD

PPRRIIVVAATTEE
RD
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' 1000'990'
990'
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'
860'
900'
900'
680' 680'
680' 680'
1150'
1150'
1110'
1110'
700'
700'
660' 660'
660'
660'
650'
650'
650'
CBIN10046
INLT10010
OTHR10006
OTHR10007
CLEN10025
OTHR10009
OTHR10010 OTHR10011
CBIN10048
CBIN10049
CBIN10050
INLT10011 CLEN10117

SAN MARCOS SAN MARCOS
PIPE10110
PIPE10394
PIPE10112 PIPE10092
PIPE10104
PIPE10109
PIPE10091
PIPE10099
PIPE10097
PIPE10093
PIPE10393
PIPE10095
PIPE10096
PIPE10106
PIPE10090
PIPE10111
W:\17729_SanMarcosDMP\GIS\DeliverableMaps\SMDMP_C_100yrResultsMaps_11x17.mxd City of San Marcos - Drainage Master Plan

APPENDIX C
Existing Deficient Systems, 100 Year Results - Sheet 171 Major River / Stream
Sub-Catchments
Existing Inventory
Channel Confluence
Cleanout
Curb Inlet
Curb Outlet
Detention Basin
Inlet
Outlet
Other
Separator
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
50-YR Flood Inundation
10-YR Flood Inundation
100-YR Flood Inundation
Storm Detention Basin
Surcharging Junctions
Surcharging Conduits
Only Upstream Surcharging
Only Downstream
Surcharging
Both Upstream and
Downstream Surcharging
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 158
SEE SHEET 170SEE SHEET 172

PEBBLE BEACH DR PEBBLE BEACH DR

NN TTWWININOOAAKKSSVVAALLLLEEYY RRDD

CHESTERFIELD CR CHESTERFIELD CR

WENTWORTH PL

CCOONNCCOORRDD PPLL

AARRCCAADDIIAA

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
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'
CBIN10036
CLEN10022
CBIN10039 CBIN10038
CBIN10040 CBIN10041
CBIN10042
CBIN10043
INLT10017
CLEN10039
CLEN10040 INLT10019
CLEN10041
CLEN10042
CLEN10043
CBIN10073
CBIN10074 CBIN10075
CBIN10076
CBIN10077
CBIN10078
CBIN10079
OTHR10018 CBIN10080
CLEN10044
CLEN10045
CLEN10046
INLT10020
CBIN10081 INLT10021
CBIN10094
INLT10030
CBIN10116
CBIN10117
INLT10056
CLEN10116
OTHR10062
CBIN10192
CBIN10194
CLEN10148
CBIN10299 CBIN10298
CBIN10300

SAN MARCOS SAN MARCOS
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
OTLT10298
OTLT10309
OTLT10310
W:\17729_SanMarcosDMP\GIS\DeliverableMaps\SMDMP_C_100yrResultsMaps_11x17.mxd City of San Marcos - Drainage Master Plan

APPENDIX C
Existing Deficient Systems, 100 Year Results - Sheet 172 Major River / Stream
Sub-Catchments
Existing Inventory
Channel Confluence
Cleanout
Curb Inlet
Curb Outlet
Detention Basin
Inlet
Outlet
Other
Separator
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
50-YR Flood Inundation
10-YR Flood Inundation
100-YR Flood Inundation
Storm Detention Basin
Surcharging Junctions
Surcharging Conduits
Only Upstream Surcharging
Only Downstream
Surcharging
Both Upstream and
Downstream Surcharging
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 159
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
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'
860'
860'
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'
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'
CBIN10012
CBIN10013
CBIN10014
CBIN10015
CLEN10018
CLEN10019
CBIN10022
INLT10004
INLT10005
CBIN10023
CBIN10024
CBIN10025
CBIN10026
CBIN10027
SEPR10002
CBIN10031
OTHR10001
CLEN10020
INLT10007
INLT10013
INLT10030
OTLT10004
OTHR10092
DETB10002
OTLT10016
OTHR10115
OTHR10116
OTHR10118
OTHR10119
S.D. COUNTY S.D. COUNTY

SAN MARCOS SAN MARCOS

ESCONDIDO ESCONDIDO
PIPE10056
PIPE10035
DTCH10017
DTCH10012
PIPE10048
PIPE10060
PIPE10051
PIPE10036
PIPE10047
PIPE10038
PIPE10055
DTCH10013
DTCH10015
DTCH10014
DTCH10016
PIPE10199
PIPE10067
PIPE10034
PIPE10072
PIPE10127
PIPE10039
PIPE10057
PIPE10065
PIPE10064
PIPE10068
PIPE10066
PIPE10062
FLOW10006
W:\17729_SanMarcosDMP\GIS\DeliverableMaps\SMDMP_C_100yrResultsMaps_11x17.mxd City of San Marcos - Drainage Master Plan

APPENDIX C
Existing Deficient Systems, 100 Year Results - Sheet 173 Major River / Stream
Sub-Catchments
Existing Inventory
Channel Confluence
Cleanout
Curb Inlet
Curb Outlet
Detention Basin
Inlet
Outlet
Other
Separator
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
50-YR Flood Inundation
10-YR Flood Inundation
100-YR Flood Inundation
Storm Detention Basin
Surcharging Junctions
Surcharging Conduits
Only Upstream Surcharging
Only Downstream
Surcharging
Both Upstream and
Downstream Surcharging
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 160
SEE SHEET 172SEE SHEET 174

WWOOOO DDLLAANNDD

HHEEIIGGHHTTSS
GGLLEE

CRIMSON DR

MMOOOONNLLI

IGGHHTTGGLLEENN

HHAACCII

EENNDDAA GGLLEENN

TIDE WY TIDE WY

RICHLAND RD

SSUUMMMMIITT CCIIRRCCLLEEGGLLEENN

CCOOUUNNTTRRYYVVIIEEWWGGLLEENN

PPRRII VVAATTEE RRDD
1280' 1280'
1270' 1270'
1260' 1260'
1250'
1240'
1230' 1230'
1220' 1220'
1210' 1210'
1200'
1190'
1180'
1170'
1160'
1150'
1140'
1130'
1120'
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'
950' 950'
940' 940'
930' 930'
920'
920'
910'
910'
900'
900'
890' 890'
880'
880'
870'
870'
860' 860'
850'
840' 840'
830' 830'
820'
1110'
1120'
1130'
1090'
1090'
1100'
1100'
1110'
1080'
1080'
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'
980' 980'
970'
970'
850'
850'
840' 840'
820' 820'
800'
800'
790'
780' 780'
810'
800'
790'
780'
1290'
1290'
960' 960'
810'
810'
940' 940'
1260'
1260' 1260' 1260'
1260' 1260'
990'
990'
1260'
990'
990'
830'
830'
810'
810'
810'
810'
1200'
1200'
980' 980'
940' 940'
INLT10006
CBIN10030
INLT10244
INLT10245
S.D. COUNTY S.D. COUNTY

SAN MARCOS SAN MARCOS

ESCONDIDO ESCONDIDO
PIPE10037
PIPE10071
PIPE10070
PIPE11326
PIPE11327
W:\17729_SanMarcosDMP\GIS\DeliverableMaps\SMDMP_C_100yrResultsMaps_11x17.mxd City of San Marcos - Drainage Master Plan

APPENDIX C
Existing Deficient Systems, 100 Year Results - Sheet 174 Major River / Stream
Sub-Catchments
Existing Inventory
Channel Confluence
Cleanout
Curb Inlet
Curb Outlet
Detention Basin
Inlet
Outlet
Other
Separator
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
50-YR Flood Inundation
10-YR Flood Inundation
100-YR Flood Inundation
Storm Detention Basin
Surcharging Junctions
Surcharging Conduits
Only Upstream Surcharging
Only Downstream
Surcharging
Both Upstream and
Downstream Surcharging
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 161
SEE SHEET 173SEE SHEET 175

PRIVATE RD PRIVATE RD

WOODLAND PY

WOODLAND PY
PPRRII

VVAATTEE RRDD

SSUUMMMMIITTCCIIRRCCLLEE GGLLEENN

VVAALLLLEEYY

RRIIMM GGLLEENN

WWOOOODDLLAANNDD

HHEEIGIGHHTTSSGGLLEE

CCOOUUNNTTRRYYVVIIEEWWGGLLEENN

VVIIEEWW CCRREESSTT GGLLEENN

AA CCCCEESSSS
RR DD
MMIICC

HH AAEELL

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'
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'
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'
1190' 1190'
1180'
1180'
1170'
1170'
1160'
1160'
1150' 1150'
1210'
1210'
1200'
1200'
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'
1140'
1140'
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_C_100yrResultsMaps_11x17.mxd City of San Marcos - Drainage Master Plan

APPENDIX C
Existing Deficient Systems, 100 Year Results - Sheet 175 Major River / Stream
Sub-Catchments
Existing Inventory
Channel Confluence
Cleanout
Curb Inlet
Curb Outlet
Detention Basin
Inlet
Outlet
Other
Separator
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
50-YR Flood Inundation
10-YR Flood Inundation
100-YR Flood Inundation
Storm Detention Basin
Surcharging Junctions
Surcharging Conduits
Only Upstream Surcharging
Only Downstream
Surcharging
Both Upstream and
Downstream Surcharging
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 162
SEE SHEET 174SEE SHEET 176
BBAA

RRBBAARRAA DDRR

SAWGRASS GLEN SAWGRASS GLEN

MMUUIIRRFFIIEELLDDGGLLEENN

GOLDEN CIRCLE DR

TTOORRRREEYY GGLLEENN

PPAAMMEELLAA LLNN

LARKHAVEN GLEN LARKHAVEN GLEN

JJAASSOONN GGLLEENN

DAVID GLEN

WWII NN

GGEEDD FFOO

OOTT GGLLEENN

SSTTIILLLLWWAATTEERR GGLLEENN

NNAATTII

OONNAALL GGLLEENN

BBIILLLLYY 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
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'
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' 820'
820'
810' 810'
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'
880' 880'
870'
870'
800'
800'
790' 790'
780' 780'
760'
760'
790' 790'
780' 780'
800' 800'
840' 840'
830'
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. S.D.

COUNTY COUNTY

ESCONDIDO ESCONDIDO
W:\17729_SanMarcosDMP\GIS\DeliverableMaps\SMDMP_C_100yrResultsMaps_11x17.mxd City of San Marcos - Drainage Master Plan

APPENDIX C
Existing Deficient Systems, 100 Year Results - Sheet 176 Major River / Stream
Sub-Catchments
Existing Inventory
Channel Confluence
Cleanout
Curb Inlet
Curb Outlet
Detention Basin
Inlet
Outlet
Other
Separator
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
50-YR Flood Inundation
10-YR Flood Inundation
100-YR Flood Inundation
Storm Detention Basin
Surcharging Junctions
Surcharging Conduits
Only Upstream Surcharging
Only Downstream
Surcharging
Both Upstream and
Downstream Surcharging
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 163
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
1190' 1190'
1180' 1180'
1160' 1160'
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'
920' 920'
910' 910'
900'
900'
890' 890'
880'
880'
870' 870'
860'
860'
850'
850'
840' 840'
830'
830'
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'
1170'
1160'
1150'
1060'
1030'
1030'
1020'
1160'
1160'
1150' 1150'
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'
1200'
1200'
1210'
1210'
930'
930'
820'
820'
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_C_100yrResultsMaps_11x17.mxd City of San Marcos - Drainage Master Plan

APPENDIX C
Existing Deficient Systems, 100 Year Results - Sheet 177 Major River / Stream
Sub-Catchments
Existing Inventory
Channel Confluence
Cleanout
Curb Inlet
Curb Outlet
Detention Basin
Inlet
Outlet
Other
Separator
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
50-YR Flood Inundation
10-YR Flood Inundation
100-YR Flood Inundation
Storm Detention Basin
Surcharging Junctions
Surcharging Conduits
Only Upstream Surcharging
Only Downstream
Surcharging
Both Upstream and
Downstream Surcharging
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 164
SEE SHEET 176SEE SHEET 178

N NUTMEG ST

AMBER LN

NN CCEENN TTRREE CC IITTYY PPYY

WWOOOODDSSIIDDEEPPLL

NIELSON LN NIELSON LN

ROCKHOFF RD ROCKHOFF RD

SSKKYYRRIIDDGGEE LLNN

WILDFLOWER PL WILDFLOWER PL

NNUUTTMMEEGGTTRR

RROOCCKKHHOOFFFF RRDD
NN
CCEE

NNTT RREE

CCIITTYY
PPYY
15 1030' 1030'
1020' 1020'
1000' 1000'
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'
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'
1010'
1010'
990' 990'
950' 950'
830' 830'
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_C_100yrResultsMaps_11x17.mxd City of San Marcos - Drainage Master Plan

APPENDIX C
Existing Deficient Systems, 100 Year Results - Sheet 178 Major River / Stream
Sub-Catchments
Existing Inventory
Channel Confluence
Cleanout
Curb Inlet
Curb Outlet
Detention Basin
Inlet
Outlet
Other
Separator
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
50-YR Flood Inundation
10-YR Flood Inundation
100-YR Flood Inundation
Storm Detention Basin
Surcharging Junctions
Surcharging Conduits
Only Upstream Surcharging
Only Downstream
Surcharging
Both Upstream and
Downstream Surcharging
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 190
SEE SHEET 165
SEE SHEET 177

ESTRELITA DR ESTRELITA DR APPLE BLOSSOM LN

EELL CCOORRTTOO

SS SSAANNTTAA FFEE AAVV

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

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_C_100yrResultsMaps_11x17.mxd City of San Marcos - Drainage Master Plan

APPENDIX C
Existing Deficient Systems, 100 Year Results - Sheet 179 Major River / Stream
Sub-Catchments
Existing Inventory
Channel Confluence
Cleanout
Curb Inlet
Curb Outlet
Detention Basin
Inlet
Outlet
Other
Separator
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
50-YR Flood Inundation
10-YR Flood Inundation
100-YR Flood Inundation
Storm Detention Basin
Surcharging Junctions
Surcharging Conduits
Only Upstream Surcharging
Only Downstream
Surcharging
Both Upstream and
Downstream Surcharging
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

EENNTTRRAADDAA AAVV

PPRRIVIVAATTEE RRDD
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'
620'
620'
610'
610'
600' 600'
590'
590'
740'
740'
730'
730'
720' 720'
710'
710'
700' 700'
690'
690'
680'
680'
670' 670'
660' 660'
650'
650'
640'
640'
630'
630'
620'
620'
610' 610'
600'
600'
590'
590'
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'
770' 770'
760' 760'
580' 580'
570' 570'
580'
580'
570' 570'
780'
780'
750' 750'
580' 580'
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'
CBIN11676
OTLT10215
OTLT10216
OTHR11488
OTLT10219
OTHR11489
DETB10015 OTLT10266
OTLT10267
INLT10944
INLT10945
OTHR11637
OTHR11638
OTHR11641
OTHR11642

SAN MARCOS SAN MARCOS
S.D. COUNTY S.D. COUNTY
CHAN10735
PIPE14210
FLOW10079
PIPE14265
FLOW10065
PIPE14260
PIPE14189
FLOW10069
FLOW10068
CHAN10739
CHAN10738
CHAN10734
CHAN10737
CHAN10733
PIPE14793
W:\17729_SanMarcosDMP\GIS\DeliverableMaps\SMDMP_C_100yrResultsMaps_11x17.mxd City of San Marcos - Drainage Master Plan

APPENDIX C
Existing Deficient Systems, 100 Year Results - Sheet 180 Major River / Stream
Sub-Catchments
Existing Inventory
Channel Confluence
Cleanout
Curb Inlet
Curb Outlet
Detention Basin
Inlet
Outlet
Other
Separator
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
50-YR Flood Inundation
10-YR Flood Inundation
100-YR Flood Inundation
Storm Detention Basin
Surcharging Junctions
Surcharging Conduits
Only Upstream Surcharging
Only Downstream
Surcharging
Both Upstream and
Downstream Surcharging
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 168
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
Agua Hedionda Creek
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'
730'
720'
710'
710'
700' 700'
690' 690'
680' 680'
670'
670'
650' 650'
630' 630'
620' 620'
610' 610'
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'
700'
690'
680' 680'
670'
670'
910'
910'
920'
920'
930'
930'
700'
690' 690'
680' 680'
670' 670'
610'
610'
590' 590'
850'
850'
840' 840'
690' 690'
700' 700'
680' 680'
670'
660' 660'
670'
660'
720' 720'
710'
710'
720'
700'
700'
640'
640'
600'
600'
620' 620'
970' 970'
980' 980'
710' 710'
700' 700'
690'
690'
710' 710'
720'
720'
710' 710'
660'
CBIN10718 CBIN10719
CBIN10720
CBIN10721 INLT10307
INLT10308
CBIN10722
CBIN10723 CBIN10724
CBIN10725
CBIN10726
CBIN11672
CLEN11362
CBIN11673
CBIN11674 CBIN11675
CBIN11676
INLT10794
INLT10795
CLEN11363
CBIN11690
CBIN11691
CBIN11692
CBIN11693
CBIN11695 CBIN11694
CBIN11705 CBIN11706
CBIN11707
CBIN11708 CBIN11709
CBIN11710
CBIN11711
CBIN11712 CBIN11713
OTLT10216
OTHR11487
OTHR11488
INLT10798
OTLT10219
OTHR11489
OTLT10220
CBIN11718
CBIN11719 INLT10799
OTLT10222
INLT10822

SAN MARCOS SAN MARCOS
S.D. COUNTY S.D. COUNTY
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
W:\17729_SanMarcosDMP\GIS\DeliverableMaps\SMDMP_C_100yrResultsMaps_11x17.mxd City of San Marcos - Drainage Master Plan

APPENDIX C
Existing Deficient Systems, 100 Year Results - Sheet 181 Major River / Stream
Sub-Catchments
Existing Inventory
Channel Confluence
Cleanout
Curb Inlet
Curb Outlet
Detention Basin
Inlet
Outlet
Other
Separator
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
50-YR Flood Inundation
10-YR Flood Inundation
100-YR Flood Inundation
Storm Detention Basin
Surcharging Junctions
Surcharging Conduits
Only Upstream Surcharging
Only Downstream
Surcharging
Both Upstream and
Downstream Surcharging
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 169
SEE SHEET 180SEE SHEET 182
1240'
1240'
1230' 1230'
1210'
1220' 1220'
1210'
1200' 1200'
1180'
1190' 1190'
1170' 1170'
1180'
1150'
1160'
1160'
1140' 1140'
1150'
1120'
1130'
1130'
1110' 1110'
1120'
1100' 1100'
1090' 1090'
1070'
1080' 1080'
1070'
1050' 1050'
1060'
1060'
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'
860' 860'
850' 850'
840'
840'
830'
830'
820' 820'
810'
810'
790' 790'
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'
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'
1070' 1070'
950' 950'
940' 940'
930' 930'
920' 920'
910' 910'
900'
900'
890'
890'
880'
880'
870' 870'
860' 860'
840' 840'
850' 850'
830' 830'
820' 820'
810' 810'
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'
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'
870'
870'
860'
860'
850'
850'
1300'
1300'
1290'
1290'
980' 980'
970'
970'
940'
940'
930' 930'
1280' 1280'
1270'
1270'
1260'
1260'
1250' 1250'
800' 800'
1210' 1210'
1200'
1200'
800'
1010' 1010'
1030' 1030'
1020' 1020'
1110'
1110'
1070'
1070'
1080' 1080'
830'
830'
INLT10308

SAN MARCOS SAN MARCOS
S.D. COUNTY S.D. COUNTY
W:\17729_SanMarcosDMP\GIS\DeliverableMaps\SMDMP_C_100yrResultsMaps_11x17.mxd City of San Marcos - Drainage Master Plan

APPENDIX C
Existing Deficient Systems, 100 Year Results - Sheet 182 Major River / Stream
Sub-Catchments
Existing Inventory
Channel Confluence
Cleanout
Curb Inlet
Curb Outlet
Detention Basin
Inlet
Outlet
Other
Separator
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
50-YR Flood Inundation
10-YR Flood Inundation
100-YR Flood Inundation
Storm Detention Basin
Surcharging Junctions
Surcharging Conduits
Only Upstream Surcharging
Only Downstream
Surcharging
Both Upstream and
Downstream Surcharging
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 170
SEE SHEET 181SEE SHEET 183

DDEELL RROOYY DDRR

DDEEEERRBBRROOOOKK DDRR
VVIIAA

MMOONNTTEECCIILLLLOO
MM

AA LLOONNEEYY SSTT

RROOBBIINNHHOOOODDRRDD
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'
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'
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'
720'
720'
710'
710'
710'
710'
700' 700'
1300' 1300'
700'
700'
670'
670'
710'
710'
700'
700'
810' 810'
930'
910' 910'
860'
860'
700'
700'
INLT10009
CLEN10024
OTHR10002
OTHR10003
OTHR10004 OTHR10005
CLEN10029
CBIN10236
CBIN10237
CLEN10149
INLT10081

SAN MARCOS SAN MARCOS
PIPE10108
PIPE10504
PIPE10103 PIPE10101
PIPE10098
PIPE10090
PIPE10505
PIPE10503
PIPE10102
PIPE10502
PIPE10091
W:\17729_SanMarcosDMP\GIS\DeliverableMaps\SMDMP_C_100yrResultsMaps_11x17.mxd City of San Marcos - Drainage Master Plan

APPENDIX C
Existing Deficient Systems, 100 Year Results - Sheet 183 Major River / Stream
Sub-Catchments
Existing Inventory
Channel Confluence
Cleanout
Curb Inlet
Curb Outlet
Detention Basin
Inlet
Outlet
Other
Separator
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
50-YR Flood Inundation
10-YR Flood Inundation
100-YR Flood Inundation
Storm Detention Basin
Surcharging Junctions
Surcharging Conduits
Only Upstream Surcharging
Only Downstream
Surcharging
Both Upstream and
Downstream Surcharging
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 171
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
800'
800'
790' 790'
780'
780'
770'
770'
760'
760'
750' 750'
730'
730'
720' 720'
710'
710'
700' 700'
690'
690'
680' 680'
670'
670'
660' 660'
730' 730'
720' 720'
710' 710'
700' 700'
690' 690'
680' 680'
660' 660'
740' 740'
670'
670'
810' 810'
800' 800'
790' 790'
780'
780'
770'
770'
760' 760'
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'
680'
670'
670'
670'
650' 650'
660'
660'
650' 650'
740' 740'
650' 650'
750'
750'
670' 670'
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'
INLT10015
CBIN10065 INLT10016
CBIN10066
CBIN10067
CBIN10068
CBIN10069 CLEN10037 CLEN10038
CBIN10199
OTHR10063
INLT10058
CLEN10119 CLEN10134
CBIN10218
CBIN10221
CLEN10136
CBIN10222
CLEN10137
CLEN10138
CLEN10139
CLEN10147
CLEN10150
CLEN10151
CLEN10152
CBIN10241
CBIN10242
INLT10083
CLEN10154
OTLT10008
CBIN10301
OTHR10106
OTHR10142
OTHR10143
OTHR10144
OTHR10146 OTHR10145
OTHR10147
OTHR10148
OTHR10150
OTHR10151
OTHR10152
OTHR10153
OTHR10154

SAN MARCOS SAN MARCOS
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
INLT10952
OTLT10307
OTLT10308
OTLT10314
W:\17729_SanMarcosDMP\GIS\DeliverableMaps\SMDMP_C_100yrResultsMaps_11x17.mxd City of San Marcos - Drainage Master Plan

APPENDIX C
Existing Deficient Systems, 100 Year Results - Sheet 184 Major River / Stream
Sub-Catchments
Existing Inventory
Channel Confluence
Cleanout
Curb Inlet
Curb Outlet
Detention Basin
Inlet
Outlet
Other
Separator
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
50-YR Flood Inundation
10-YR Flood Inundation
100-YR Flood Inundation
Storm Detention Basin
Surcharging Junctions
Surcharging Conduits
Only Upstream Surcharging
Only Downstream
Surcharging
Both Upstream and
Downstream Surcharging
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 172
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
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'
820' 820'
810'
810'
800'
800'
790' 790'
780'
780'
770' 770'
760'
760'
750'
750'
740'
740'
730' 730'
710'
710'
700'
700'
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'
940' 940'
930' 930'
920'
920'
910'
910'
820'
820'
810'
810'
800' 800'
790'
790'
820' 820'
810' 810'
800' 800'
790' 790'
690' 690'
680'
680'
830' 830'
720' 720'
720' 720'
740' 740'
810' 810'
720' 720'
680'
690'
690'
690'
690'
CBIN10007
CLEN10120
CBIN10200
CLEN10121
CLEN10122
CBIN10201
CLEN10123
CBIN10225
CLEN10140
CBIN10226
CBIN10227
CBIN10230
CLEN10145
CBIN10231
CLEN10146
CBIN10232
INLT10076
CBIN10233
INLT10077
CLEN10147
CBIN10243
CBIN10244
INLT10084
SEPR10005
CLEN10154
INLT10102
INLT10103
OTLT10012
OTLT10014
OTHR10097
OTHR10098
OTHR10111
OTHR10113
OTHR10174
OTHR10175
OTHR10176
OTHR10177
OTHR10178
OTHR10179
OTHR10180
OTHR10181
OTHR10182
OTHR10183
S.D. COUNTY S.D. COUNTY

SAN MARCOS SAN MARCOS

ESCONDIDO ESCONDIDO
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
W:\17729_SanMarcosDMP\GIS\DeliverableMaps\SMDMP_C_100yrResultsMaps_11x17.mxd City of San Marcos - Drainage Master Plan

APPENDIX C
Existing Deficient Systems, 100 Year Results - Sheet 185 Major River / Stream
Sub-Catchments
Existing Inventory
Channel Confluence
Cleanout
Curb Inlet
Curb Outlet
Detention Basin
Inlet
Outlet
Other
Separator
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
50-YR Flood Inundation
10-YR Flood Inundation
100-YR Flood Inundation
Storm Detention Basin
Surcharging Junctions
Surcharging Conduits
Only Upstream Surcharging
Only Downstream
Surcharging
Both Upstream and
Downstream Surcharging
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 173
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
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'
890'
890'
830' 830'
820' 820'
810'
810'
800' 800'
920'
920'
910'
910'
900' 900'
890'
890'
880'
880'
870'
870'
860'
860'
850'
850'
990' 990'
980' 980'
970' 970'
960' 960'
950' 950'
940' 940'
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'
800' 800'
790' 790'
1300' 1300'
1290' 1290'
870'
870'
860' 860'
1280' 1280'
900' 900'
880' 880'
860' 860'
840' 840'
930' 930'
1300' 1300'
950'
950'
830' 830'
830' 830'
1310' 1310'
1290'
1290'
1270'
1270'
840' 840'
S.D. COUNTY S.D. COUNTY

ESCONDIDO ESCONDIDO
W:\17729_SanMarcosDMP\GIS\DeliverableMaps\SMDMP_C_100yrResultsMaps_11x17.mxd City of San Marcos - Drainage Master Plan

APPENDIX C
Existing Deficient Systems, 100 Year Results - Sheet 186 Major River / Stream
Sub-Catchments
Existing Inventory
Channel Confluence
Cleanout
Curb Inlet
Curb Outlet
Detention Basin
Inlet
Outlet
Other
Separator
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
50-YR Flood Inundation
10-YR Flood Inundation
100-YR Flood Inundation
Storm Detention Basin
Surcharging Junctions
Surcharging Conduits
Only Upstream Surcharging
Only Downstream
Surcharging
Both Upstream and
Downstream Surcharging
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 174
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

MMOOOONNLLII

GGHHTT GGLLEENN

VVIIEEWWCCRREESSTT GGLLEENN
MMII

CCHHAAEELL 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_C_100yrResultsMaps_11x17.mxd City of San Marcos - Drainage Master Plan

APPENDIX C
Existing Deficient Systems, 100 Year Results - Sheet 187 Major River / Stream
Sub-Catchments
Existing Inventory
Channel Confluence
Cleanout
Curb Inlet
Curb Outlet
Detention Basin
Inlet
Outlet
Other
Separator
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
50-YR Flood Inundation
10-YR Flood Inundation
100-YR Flood Inundation
Storm Detention Basin
Surcharging Junctions
Surcharging Conduits
Only Upstream Surcharging
Only Downstream
Surcharging
Both Upstream and
Downstream Surcharging
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 175
SEE SHEET 186SEE SHEET 188

BBAALLTTUUSSRROOLL GGLLEENN

CCOONNGGRREESSSSIIOONNAALL GGLLEENN

SSAAWWGGRRAASSSS

GGLLEENN

HHIILLTTOONN HHEEAADD GGLLEENN

TORREY GLEN TORREY GLEN

MMEEDDININAA GGLLEENN
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'
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'
970'
960'
950'
930'
930'
920' 920'
910' 910'
900'
900'
890'
880' 880'
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'
1370'
1360' 1360'
810' 810'
820'
1380' 1380'
1370'
1370'
1350' 1350'
1160' 1160'
940' 940'
860' 860'
850' 850'
890' 890'
1110' 1110'
1320' 1320'
1030' 1030'
900'
900'
870' 870'
860' 860'
S.D. COUNTY S.D. COUNTY

ESCONDIDO ESCONDIDO
W:\17729_SanMarcosDMP\GIS\DeliverableMaps\SMDMP_C_100yrResultsMaps_11x17.mxd City of San Marcos - Drainage Master Plan

APPENDIX C
Existing Deficient Systems, 100 Year Results - Sheet 188 Major River / Stream
Sub-Catchments
Existing Inventory
Channel Confluence
Cleanout
Curb Inlet
Curb Outlet
Detention Basin
Inlet
Outlet
Other
Separator
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
50-YR Flood Inundation
10-YR Flood Inundation
100-YR Flood Inundation
Storm Detention Basin
Surcharging Junctions
Surcharging Conduits
Only Upstream Surcharging
Only Downstream
Surcharging
Both Upstream and
Downstream Surcharging
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 176
SEE SHEET 187SEE SHEET 189

PPRRIIVVAATTEERRDD
PPRRI

IVVAATTEERRDD
15 1310'
1300'
1290'
1280' 1280'
1270' 1270'
1260' 1260'
1250'
1240'
1230'
1230'
1220'
1220'
1210' 1210'
1200'
1200'
1190' 1190'
1180'
1170'
1150'
1150'
1140'
1140'
1130' 1130'
1120' 1120'
1110'
1110'
1100'
1080'
1080'
1070'
1070'
1060' 1060'
1050'
1050'
1040'
1040'
1030' 1030' 1020'
1020'
1010'
1010'
1000'
1000'
990' 990'
950'
950'
940' 940'
930'
930'
1340'
1330'
1320'
1160' 1160'
970' 970'
960'
960'
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'
1140'
1140'
1130'
1130'
1120' 1120'
1110' 1110'
1100' 1100'1090'
1090'
1070'
1070'
1060' 1060'
1050' 1050'
1040'
1040'
1030' 1030'
1020' 1020'
1010'
1010'
1000'
1000'
990' 990'
970' 970'
960' 960'
950' 950'
1320'
1310'
1300'
1290'
1280'
1270'
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'
1080'
1080'
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'
1010' 1010'
1000'
1000'
1370'
1360'
1350'
1350'
1210' 1210'
1200' 1200'
1070'
1070'
1060'
1060'
1070'
1070'
1060'
1060'
1040' 1040'
1030' 1030'
1090'
1090'
980'
980'
890' 890'
1190'
980' 980'
1160'
1160'
1140' 1140'
1170'
1170'
1110' 1110'
1380' 1380'
1020'
1020'
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_C_100yrResultsMaps_11x17.mxd City of San Marcos - Drainage Master Plan

APPENDIX C
Existing Deficient Systems, 100 Year Results - Sheet 189 Major River / Stream
Sub-Catchments
Existing Inventory
Channel Confluence
Cleanout
Curb Inlet
Curb Outlet
Detention Basin
Inlet
Outlet
Other
Separator
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
50-YR Flood Inundation
10-YR Flood Inundation
100-YR Flood Inundation
Storm Detention Basin
Surcharging Junctions
Surcharging Conduits
Only Upstream Surcharging
Only Downstream
Surcharging
Both Upstream and
Downstream Surcharging
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 200
SEE SHEET 177
SEE SHEET 188SEE SHEET 190

NNNNUUTTMMEEGG SSTT

PPRRIIVVAATTEE RRDD

PPRRIIVVAATTEE RRDD

PRIVATE RD

IVY DELL LN IVY DELL LN

NN CCEENN TT

RR EE CCIITTYY PPYY

PPRRIIVVAATTEE RRDD

OOAAKKWWIINNDD 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'
890'
870' 870'
900'
880'
880'
1070'
1070'
1060'
1060'
910'
910'
900'
900'
890'
890'
890' 890'
880'
880'
1100' 1100'
1110' 1110'
950'
950'
910' 910'
860'
860'
910'
910'
910'
880' 880'
870'
870' 870'
S.D. COUNTY S.D. COUNTY

ESCONDIDO ESCONDIDO
W:\17729_SanMarcosDMP\GIS\DeliverableMaps\SMDMP_C_100yrResultsMaps_11x17.mxd City of San Marcos - Drainage Master Plan

APPENDIX C
Existing Deficient Systems, 100 Year Results - Sheet 190 Major River / Stream
Sub-Catchments
Existing Inventory
Channel Confluence
Cleanout
Curb Inlet
Curb Outlet
Detention Basin
Inlet
Outlet
Other
Separator
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
50-YR Flood Inundation
10-YR Flood Inundation
100-YR Flood Inundation
Storm Detention Basin
Surcharging Junctions
Surcharging Conduits
Only Upstream Surcharging
Only Downstream
Surcharging
Both Upstream and
Downstream Surcharging
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'
740'
730'
720' 720'
710' 710'
700' 700'
690' 690'
680' 680'
670' 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'
770'
760'
750'
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'
630'
630'
760' 760'
660' 660'
710' 710'
780' 780'
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_C_100yrResultsMaps_11x17.mxd City of San Marcos - Drainage Master Plan

APPENDIX C
Existing Deficient Systems, 100 Year Results - Sheet 191 Major River / Stream
Sub-Catchments
Existing Inventory
Channel Confluence
Cleanout
Curb Inlet
Curb Outlet
Detention Basin
Inlet
Outlet
Other
Separator
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
50-YR Flood Inundation
10-YR Flood Inundation
100-YR Flood Inundation
Storm Detention Basin
Surcharging Junctions
Surcharging Conduits
Only Upstream Surcharging
Only Downstream
Surcharging
Both Upstream and
Downstream Surcharging
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 201
SEE SHEET 180
SEE SHEET 192
J ST

B ST B ST

ROBINHOOD LN ROBINHOOD LN

PRIVATE RD PRIVATE RD
Agua Hedionda
Creek
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'
680'
680'
670'
670'
660'
660'
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'
830' 830'
820' 820'
810' 810'
800'
800'
790'
790'
780'
780'
770'
770'
760'
760'
740' 740'
690' 690'
730'
720'
710' 710'
700'
680'
670'
670'
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'
640' 640'
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'
660'
660'
650'
650'
650'
650'
680'
680'
670'
670'
880' 880'
650' 650'
750'
790' 790'
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_C_100yrResultsMaps_11x17.mxd City of San Marcos - Drainage Master Plan

APPENDIX C
Existing Deficient Systems, 100 Year Results - Sheet 192 Major River / Stream
Sub-Catchments
Existing Inventory
Channel Confluence
Cleanout
Curb Inlet
Curb Outlet
Detention Basin
Inlet
Outlet
Other
Separator
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
50-YR Flood Inundation
10-YR Flood Inundation
100-YR Flood Inundation
Storm Detention Basin
Surcharging Junctions
Surcharging Conduits
Only Upstream Surcharging
Only Downstream
Surcharging
Both Upstream and
Downstream Surcharging
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 181
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'
1060'
1060'
1070'
1070'
1080'
1080'
1050' 1050'
1040' 1040'
1020' 1020'
1030' 1030'
1000' 1000'
1010' 1010'
990' 990'
980' 980'
970' 970'
960'
960'
950' 950'
940' 940'
920' 920'
930'
930'
910'
910'
900' 900'
890' 890'
880' 880'
870'
870'
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'
860'
860'
850'
850'
840' 840'
850'
840' 840'
740' 740'
730'
730'
1250'
1250'
1240'
1240'
1220'
1220'
750'
750'
740'
1090'
850'
850'
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
W:\17729_SanMarcosDMP\GIS\DeliverableMaps\SMDMP_C_100yrResultsMaps_11x17.mxd S.D. COUNTY S.D. COUNTY
City of San Marcos - Drainage Master Plan

APPENDIX C
Existing Deficient Systems, 100 Year Results - Sheet 193 Major River / Stream
Sub-Catchments
Existing Inventory
Channel Confluence
Cleanout
Curb Inlet
Curb Outlet
Detention Basin
Inlet
Outlet
Other
Separator
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
50-YR Flood Inundation
10-YR Flood Inundation
100-YR Flood Inundation
Storm Detention Basin
Surcharging Junctions
Surcharging Conduits
Only Upstream Surcharging
Only Downstream
Surcharging
Both Upstream and
Downstream Surcharging
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 182
SEE SHEET 192SEE SHEET 194
VVIIAA
LLAASS

BBRRISISAASS

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_C_100yrResultsMaps_11x17.mxd City of San Marcos - Drainage Master Plan

APPENDIX C
Existing Deficient Systems, 100 Year Results - Sheet 194 Major River / Stream
Sub-Catchments
Existing Inventory
Channel Confluence
Cleanout
Curb Inlet
Curb Outlet
Detention Basin
Inlet
Outlet
Other
Separator
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
50-YR Flood Inundation
10-YR Flood Inundation
100-YR Flood Inundation
Storm Detention Basin
Surcharging Junctions
Surcharging Conduits
Only Upstream Surcharging
Only Downstream
Surcharging
Both Upstream and
Downstream Surcharging
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 183
SEE SHEET 193SEE SHEET 195

EE LLAA CCIIEENNEEGGAA RRDD

VV IICCTTOO 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

W LLAA CCIIEENNEEGGAA RRDD

VICTORIA WY VICTORIA WY

MEDINAH RD

BBAAYY HHILILLL DDRR

VVIIAA LLAASS BBRRIISSAASS

SYCAMORE DR SYCAMORE DR
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'
CBIN10055
CLEN10032
CLEN10033
INLT10014
CBIN10060
CBIN10061
CBIN10062
CBIN10063
CBIN10064
CBIN10114
INLT10027
INLT10028
CBIN10115
INLT10029 OTHR10025
OTHR10027
OTHR10028
INLT10057
CLEN10118 CBIN10195
CBIN10196
CBIN10197
CBIN10214
CBIN10215
CBIN10216
CBIN10217
CLEN10133
OTLT10007
INLT10082
OTHR10073
INLT10104
CBIN10269
CBIN10304
OTHR10213
OTHR10214
OTLT10017

SAN MARCOS SAN MARCOS
S.D. COUNTY S.D. COUNTY
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
OTLT10297
OTLT10305
OTLT10315
OTLT10317
W:\17729_SanMarcosDMP\GIS\DeliverableMaps\SMDMP_C_100yrResultsMaps_11x17.mxd City of San Marcos - Drainage Master Plan

APPENDIX C
Existing Deficient Systems, 100 Year Results - Sheet 195 Major River / Stream
Sub-Catchments
Existing Inventory
Channel Confluence
Cleanout
Curb Inlet
Curb Outlet
Detention Basin
Inlet
Outlet
Other
Separator
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
50-YR Flood Inundation
10-YR Flood Inundation
100-YR Flood Inundation
Storm Detention Basin
Surcharging Junctions
Surcharging Conduits
Only Upstream Surcharging
Only Downstream
Surcharging
Both Upstream and
Downstream Surcharging
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 184
SEE SHEET 194SEE SHEET 196

VICTORIA WY

MULBERRY DR

MULBERRY DR

MARILYN LN

MARILYN LN

PRIVATE RD

HEIDEN CT
COX RD

CCAAMMDDEENN
PPLL

SSAAVVAANNNNAAHHWWYY

ROGERS CT ROGERS CT

PPAARRSSOONNSSLLNN

VICTORIA WY
770'
770'
780'
780'
790' 790'
800' 800'
810' 810'
750' 750'
720' 720'
700' 700'
730' 730'
710' 710'
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'
760' 760'
740'
740'
740'
740'
730'
730'
760' 760'
740'
740'
750'
750'
720' 720'
720'
720'
700'
690'
690'
680' 680'
680'
690'
690'
CBIN10055
SEPR10004
OTLT10006 INLT10075
CBIN10224
CLEN10142
CBIN10228
CBIN10229
CLEN10144
INLT10078
OTHR10079 INLT10095
OTLT10010
INLT10103
OTLT10011
OTHR10089
OTHR10090
OTHR10091
INLT10118
INLT10119
INLT10120
INLT10121
OTHR10107
OTHR10112
OTHR10120
OTHR10121
OTHR10122
OTHR10123
OTHR10131
OTHR10132
OTHR10133
OTHR10134
OTHR10135
OTHR10136
OTHR10137
OTHR10138
OTHR10139
OTHR10140
OTHR10156
OTHR10157
OTHR10158
OTHR10159
OTHR10160
OTHR10161
OTHR10162
OTHR10163
OTHR10164
OTHR10165
OTHR10168
OTHR10169
OTHR10170
OTHR10171
OTHR10172
OTHR10174
OTHR10187
OTHR10188
OTHR10189
OTHR10190
OTHR10191
OTHR10192
OTHR10193
OTHR10194
OTHR10195
S.D. COUNTY S.D. COUNTY

SAN MARCOS SAN MARCOS
PIPE10669
PIPE10474
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
DTCH10101
DTCH10034
DTCH10001
PIPE10485
PIPE10466
DTCH10063
PIPE10468
PIPE10411
PIPE10470
PIPE10484
PIPE10473
W:\17729_SanMarcosDMP\GIS\DeliverableMaps\SMDMP_C_100yrResultsMaps_11x17.mxd City of San Marcos - Drainage Master Plan

APPENDIX C
Existing Deficient Systems, 100 Year Results - Sheet 196 Major River / Stream
Sub-Catchments
Existing Inventory
Channel Confluence
Cleanout
Curb Inlet
Curb Outlet
Detention Basin
Inlet
Outlet
Other
Separator
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
50-YR Flood Inundation
10-YR Flood Inundation
100-YR Flood Inundation
Storm Detention Basin
Surcharging Junctions
Surcharging Conduits
Only Upstream Surcharging
Only Downstream
Surcharging
Both Upstream and
Downstream Surcharging
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 185
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'
1060'
1070' 1070'
1080' 1080'
1100'
1050' 1050'
1060'
1030' 1030'
1040'
1040'
1010' 1010'
990'
990'
980'
980'
970'
970'
950'
950'
960' 960'
940'
940'
930' 930'
920'
920'
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'
1000'
1000'
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_C_100yrResultsMaps_11x17.mxd City of San Marcos - Drainage Master Plan

APPENDIX C
Existing Deficient Systems, 100 Year Results - Sheet 197 Major River / Stream
Sub-Catchments
Existing Inventory
Channel Confluence
Cleanout
Curb Inlet
Curb Outlet
Detention Basin
Inlet
Outlet
Other
Separator
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
50-YR Flood Inundation
10-YR Flood Inundation
100-YR Flood Inundation
Storm Detention Basin
Surcharging Junctions
Surcharging Conduits
Only Upstream Surcharging
Only Downstream
Surcharging
Both Upstream and
Downstream Surcharging
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 186
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
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' 950' 950' 940' 940' 930' 930'
920' 920'
910'
910'
900'
900'
890' 890'
990' 990'
980' 980'
970'
960' 960'
1310' 1310' 1300' 1300' 1290' 1290'
1280' 1280'
1290' 1290'
1300' 1300'
1290' 1290' 1280' 1280'
960' 960'
880' 880'
1320' 1320'
1300' 1300'
S.D. COUNTY S.D. COUNTY

ESCONDIDO ESCONDIDO
W:\17729_SanMarcosDMP\GIS\DeliverableMaps\SMDMP_C_100yrResultsMaps_11x17.mxd City of San Marcos - Drainage Master Plan

APPENDIX C
Existing Deficient Systems, 100 Year Results - Sheet 198 Major River / Stream
Sub-Catchments
Existing Inventory
Channel Confluence
Cleanout
Curb Inlet
Curb Outlet
Detention Basin
Inlet
Outlet
Other
Separator
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
50-YR Flood Inundation
10-YR Flood Inundation
100-YR Flood Inundation
Storm Detention Basin
Surcharging Junctions
Surcharging Conduits
Only Upstream Surcharging
Only Downstream
Surcharging
Both Upstream and
Downstream Surcharging
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 187
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_C_100yrResultsMaps_11x17.mxd City of San Marcos - Drainage Master Plan

APPENDIX C
Existing Deficient Systems, 100 Year Results - Sheet 199 Major River / Stream
Sub-Catchments
Existing Inventory
Channel Confluence
Cleanout
Curb Inlet
Curb Outlet
Detention Basin
Inlet
Outlet
Other
Separator
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
50-YR Flood Inundation
10-YR Flood Inundation
100-YR Flood Inundation
Storm Detention Basin
Surcharging Junctions
Surcharging Conduits
Only Upstream Surcharging
Only Downstream
Surcharging
Both Upstream and
Downstream Surcharging
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 188
SEE SHEET 198SEE SHEET 200

MMEESSAA RROOCCKK RRDD
NN

CCEENNTTRREE

CCIITTYY
PPYY
UNNAMED 4D ST
UNNAMED 4D ST
15 1340'
1340'
1330'
1330'
1320' 1320'
1310' 1310'
1300' 1300'
1290' 1290' 1280'
1270'
1260' 1260'
1250'
1240'
1230' 1230'
1220'
1210' 1210'
1200' 1200'
1190' 1190'
1180' 1180'
1170'
1170'
1160' 1160'
1150'
1150'
1140' 1140'
1130'
1130'
1120'
1100' 1100'
1080'
1080'
1060' 1060'
1050' 1050'
1040' 1040'
1030' 1030'
1020'
1020'
1010' 1010'
1000'
1000'
1330' 1330'
1320'
1320'
970' 970'
960' 960'950' 950'
1330' 1330'
1320' 1320'
1080' 1080'
1070' 1070'
980' 980'
1310' 1310'
1330' 1330'
1320'
1320'
1320' 1320'
S.D. COUNTY S.D. COUNTY
W:\17729_SanMarcosDMP\GIS\DeliverableMaps\SMDMP_C_100yrResultsMaps_11x17.mxd City of San Marcos - Drainage Master Plan

APPENDIX C
Existing Deficient Systems, 100 Year Results - Sheet 200 Major River / Stream
Sub-Catchments
Existing Inventory
Channel Confluence
Cleanout
Curb Inlet
Curb Outlet
Detention Basin
Inlet
Outlet
Other
Separator
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
50-YR Flood Inundation
10-YR Flood Inundation
100-YR Flood Inundation
Storm Detention Basin
Surcharging Junctions
Surcharging Conduits
Only Upstream Surcharging
Only Downstream
Surcharging
Both Upstream and
Downstream Surcharging
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

HHOOLLLLYY
LLNN

GOLDEN YARRO RD GOLDEN YARRO RD

HHIGIGHHVVIEIEWW TTLL
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'
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'
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'
630'
630'
620' 620'
600'
600'
590' 590'
1000' 1000'
810'
810'
800'
800'
790' 790'
780'
780'
640' 640'
790' 790'
820'
820'
800' 800'
980'
980'
950' 950'
620' 620'
650' 650'
620'
620'
S.D. COUNTY S.D. COUNTY
W:\17729_SanMarcosDMP\GIS\DeliverableMaps\SMDMP_C_100yrResultsMaps_11x17.mxd City of San Marcos - Drainage Master Plan

APPENDIX C
Existing Deficient Systems, 100 Year Results - Sheet 201 Major River / Stream
Sub-Catchments
Existing Inventory
Channel Confluence
Cleanout
Curb Inlet
Curb Outlet
Detention Basin
Inlet
Outlet
Other
Separator
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
50-YR Flood Inundation
10-YR Flood Inundation
100-YR Flood Inundation
Storm Detention Basin
Surcharging Junctions
Surcharging Conduits
Only Upstream Surcharging
Only Downstream
Surcharging
Both Upstream and
Downstream Surcharging
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
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'
830'
830'
820' 820'
810'
810'
800'
800'
780' 780'
770' 770'
760' 760'
750' 750'
840'
840'
790' 790'
740'
740'
730'
730'
1050'
1050'
1040'
1040'
1030'
1030'
1020' 1020'
1010'
1000' 1000'
990' 990'
980'
970'
960'
950'
940'
1000' 1000'
990' 990'
980' 980'
970' 970'
960' 960'
950' 950'
940' 940'
930' 930'
920' 920'
910' 910'
900' 900'
890'
890'
910' 910'
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' 1120'
1110' 1110'
1100' 1100'
1090'
1090'
1080' 1080'
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'
870' 870'
860' 860'
1070'
1070'
1060'
1060'
720'
720'
930' 930'
920'
920'
880'
720'
720'
800'
880'
880'
790'
790'
930' 930'
700' 700'
S.D. COUNTY S.D. COUNTY
W:\17729_SanMarcosDMP\GIS\DeliverableMaps\SMDMP_C_100yrResultsMaps_11x17.mxd City of San Marcos - Drainage Master Plan

APPENDIX C
Existing Deficient Systems, 100 Year Results - Sheet 202 Major River / Stream
Sub-Catchments
Existing Inventory
Channel Confluence
Cleanout
Curb Inlet
Curb Outlet
Detention Basin
Inlet
Outlet
Other
Separator
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
50-YR Flood Inundation
10-YR Flood Inundation
100-YR Flood Inundation
Storm Detention Basin
Surcharging Junctions
Surcharging Conduits
Only Upstream Surcharging
Only Downstream
Surcharging
Both Upstream and
Downstream Surcharging
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 210
SEE SHEET 192
SEE SHEET 201SEE SHEET 203

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

EEAASSYY SSTT

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_C_100yrResultsMaps_11x17.mxd City of San Marcos - Drainage Master Plan

APPENDIX C
Existing Deficient Systems, 100 Year Results - Sheet 203 Major River / Stream
Sub-Catchments
Existing Inventory
Channel Confluence
Cleanout
Curb Inlet
Curb Outlet
Detention Basin
Inlet
Outlet
Other
Separator
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
50-YR Flood Inundation
10-YR Flood Inundation
100-YR Flood Inundation
Storm Detention Basin
Surcharging Junctions
Surcharging Conduits
Only Upstream Surcharging
Only Downstream
Surcharging
Both Upstream and
Downstream Surcharging
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 193
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
830' 830'
820' 820'
810'
810'
800' 800'
790'
790'
780'
780'
760'
750'
750'
740'
730'
730'
720'
720'
840'
840'
770' 770'
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'
710' 710'
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_C_100yrResultsMaps_11x17.mxd City of San Marcos - Drainage Master Plan

APPENDIX C
Existing Deficient Systems, 100 Year Results - Sheet 204 Major River / Stream
Sub-Catchments
Existing Inventory
Channel Confluence
Cleanout
Curb Inlet
Curb Outlet
Detention Basin
Inlet
Outlet
Other
Separator
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
50-YR Flood Inundation
10-YR Flood Inundation
100-YR Flood Inundation
Storm Detention Basin
Surcharging Junctions
Surcharging Conduits
Only Upstream Surcharging
Only Downstream
Surcharging
Both Upstream and
Downstream Surcharging
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 194
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
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'
CBIN10212
CLEN10125
CBIN10213
CLEN10126
INLT10066
INLT10067
CLEN10127
OTHR10067
OTHR10068
OTHR10069
CLEN10128
OTHR10070
CLEN10129
INLT10068
INLT10069
INLT10070
INLT10071
INLT10072
CLEN10130
INLT10073
CLEN10167
INLT10106
INLT10107

SAN MARCOS SAN MARCOS
S.D. COUNTY S.D. COUNTY
PIPE10587
PIPE10661
PIPE10490
PIPE10489
PIPE10432
PIPE10491
PIPE10569
PIPE10437
PIPE10492
PIPE10438
PIPE10440
PIPE10442
PIPE10574
PIPE10441
PIPE10444
PIPE10434
PIPE10435
PIPE10439
PIPE10443
PIPE10433
PIPE10573
PIPE10568
PIPE10575
OTLT10303
OTLT10305
OTHR11733
W:\17729_SanMarcosDMP\GIS\DeliverableMaps\SMDMP_C_100yrResultsMaps_11x17.mxd City of San Marcos - Drainage Master Plan

APPENDIX C
Existing Deficient Systems, 100 Year Results - Sheet 205 Major River / Stream
Sub-Catchments
Existing Inventory
Channel Confluence
Cleanout
Curb Inlet
Curb Outlet
Detention Basin
Inlet
Outlet
Other
Separator
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
50-YR Flood Inundation
10-YR Flood Inundation
100-YR Flood Inundation
Storm Detention Basin
Surcharging Junctions
Surcharging Conduits
Only Upstream Surcharging
Only Downstream
Surcharging
Both Upstream and
Downstream Surcharging
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 195
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
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'
INLT10053
OTLT10009 OTHR10079
INLT10094
INLT10095
OTHR10081
OTHR10088
OTHR10102
OTHR10124
OTHR10125
OTHR10126
OTHR10127
OTHR10197
OTHR10198
OTHR10199
OTHR10200
OTHR10201
OTHR10202
OTHR10203
OTHR10204
OTHR10205 OTHR10206

SAN MARCOS SAN MARCOS
S.D. COUNTY S.D. COUNTY
CULV10010
PIPE10553
CHAN10005
CHAN10012
DTCH10026
DTCH10024 DTCH10025
CHAN10010
CHAN10006
CHAN10007
CHAN10011
CHAN10009
CHAN10008
CHAN10002
CHAN10003
CHAN10004
CHAN10001
OTLT10302
OTHR11733
W:\17729_SanMarcosDMP\GIS\DeliverableMaps\SMDMP_C_100yrResultsMaps_11x17.mxd City of San Marcos - Drainage Master Plan

APPENDIX C
Existing Deficient Systems, 100 Year Results - Sheet 206 Major River / Stream
Sub-Catchments
Existing Inventory
Channel Confluence
Cleanout
Curb Inlet
Curb Outlet
Detention Basin
Inlet
Outlet
Other
Separator
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
50-YR Flood Inundation
10-YR Flood Inundation
100-YR Flood Inundation
Storm Detention Basin
Surcharging Junctions
Surcharging Conduits
Only Upstream Surcharging
Only Downstream
Surcharging
Both Upstream and
Downstream Surcharging
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 196
SEE SHEET 205SEE SHEET 207

MARILYN LN

EEUUCCAALLYYPPTTUUSSWWOOOODDSS RRDD

LOW CHAPARRAL DR LOW CHAPARRAL DR

BIRCHWOOD DR

FFLLYYNNNNHHEEIIGGHHTTSS DDRR

YYUUCCCCAA RRIIDDGGEE LLNN
OOLLII

VVEESSTT

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'
760'
760'
730' 730'
730' 730'
730' 730'
730' 730'
730' 730'
730' 730'
730'
740' 740'
730'
730'

SAN MARCOS SAN MARCOS
S.D. COUNTY S.D. COUNTY
W:\17729_SanMarcosDMP\GIS\DeliverableMaps\SMDMP_C_100yrResultsMaps_11x17.mxd City of San Marcos - Drainage Master Plan

APPENDIX C
Existing Deficient Systems, 100 Year Results - Sheet 207 Major River / Stream
Sub-Catchments
Existing Inventory
Channel Confluence
Cleanout
Curb Inlet
Curb Outlet
Detention Basin
Inlet
Outlet
Other
Separator
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
50-YR Flood Inundation
10-YR Flood Inundation
100-YR Flood Inundation
Storm Detention Basin
Surcharging Junctions
Surcharging Conduits
Only Upstream Surcharging
Only Downstream
Surcharging
Both Upstream and
Downstream Surcharging
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 197
SEE SHEET 206SEE SHEET 208

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_C_100yrResultsMaps_11x17.mxd City of San Marcos - Drainage Master Plan

APPENDIX C
Existing Deficient Systems, 100 Year Results - Sheet 208 Major River / Stream
Sub-Catchments
Existing Inventory
Channel Confluence
Cleanout
Curb Inlet
Curb Outlet
Detention Basin
Inlet
Outlet
Other
Separator
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
50-YR Flood Inundation
10-YR Flood Inundation
100-YR Flood Inundation
Storm Detention Basin
Surcharging Junctions
Surcharging Conduits
Only Upstream Surcharging
Only Downstream
Surcharging
Both Upstream and
Downstream Surcharging
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 198
SEE SHEET 207SEE SHEET 209

HHAAMMPPTTOONN GGLLEENN

KKEENNSSIINNGGTTOONN GGLLEENN FFOOXXBBUURRYY GGLLEENN

WWOOOODDLLAANNDD HHEEIGIGHHTTSSGGLLEE

WWOOOODDLLAANNDD

HHEEIIGGHHTTSSGGLLEE

ESCONDIDO ESCONDIDO
W:\17729_SanMarcosDMP\GIS\DeliverableMaps\SMDMP_C_100yrResultsMaps_11x17.mxd City of San Marcos - Drainage Master Plan

APPENDIX C
Existing Deficient Systems, 100 Year Results - Sheet 209 Major River / Stream
Sub-Catchments
Existing Inventory
Channel Confluence
Cleanout
Curb Inlet
Curb Outlet
Detention Basin
Inlet
Outlet
Other
Separator
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
50-YR Flood Inundation
10-YR Flood Inundation
100-YR Flood Inundation
Storm Detention Basin
Surcharging Junctions
Surcharging Conduits
Only Upstream Surcharging
Only Downstream
Surcharging
Both Upstream and
Downstream Surcharging
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 199
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'
1040' 1040'
1030'
1030'
1020' 1020'
1010'
1010'
1000'
1000'
990' 990'
980'
980'
970' 970'
960'
960'
950'
950'
940'
940'
930'
930'
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'
1050'
1050'
920' 920'
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_C_100yrResultsMaps_11x17.mxd City of San Marcos - Drainage Master Plan

APPENDIX C
Existing Deficient Systems, 100 Year Results - Sheet 210 Major River / Stream
Sub-Catchments
Existing Inventory
Channel Confluence
Cleanout
Curb Inlet
Curb Outlet
Detention Basin
Inlet
Outlet
Other
Separator
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
50-YR Flood Inundation
10-YR Flood Inundation
100-YR Flood Inundation
Storm Detention Basin
Surcharging Junctions
Surcharging Conduits
Only Upstream Surcharging
Only Downstream
Surcharging
Both Upstream and
Downstream Surcharging
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

SIDDALL DR SIDDALL DR

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_C_100yrResultsMaps_11x17.mxd City of San Marcos - Drainage Master Plan

APPENDIX C
Existing Deficient Systems, 100 Year Results - Sheet 211 Major River / Stream
Sub-Catchments
Existing Inventory
Channel Confluence
Cleanout
Curb Inlet
Curb Outlet
Detention Basin
Inlet
Outlet
Other
Separator
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
50-YR Flood Inundation
10-YR Flood Inundation
100-YR Flood Inundation
Storm Detention Basin
Surcharging Junctions
Surcharging Conduits
Only Upstream Surcharging
Only Downstream
Surcharging
Both Upstream and
Downstream Surcharging
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 203
SEE SHEET 210SEE SHEET 212

BBUUEENNAA CCRREEEEKK RRDD

EDWIN LN EDWIN LN

PPRRIIVVAATTEERRDD

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 RRDD

TAMARA LN TAMARA LN
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'
790' 790'
780' 780'
770'
770'
760' 760'
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'
750'
750'
740' 740'
1100'
1100'
820' 820'
770'
770'
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_C_100yrResultsMaps_11x17.mxd City of San Marcos - Drainage Master Plan

APPENDIX C
Existing Deficient Systems, 100 Year Results - Sheet 212 Major River / Stream
Sub-Catchments
Existing Inventory
Channel Confluence
Cleanout
Curb Inlet
Curb Outlet
Detention Basin
Inlet
Outlet
Other
Separator
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
50-YR Flood Inundation
10-YR Flood Inundation
100-YR Flood Inundation
Storm Detention Basin
Surcharging Junctions
Surcharging Conduits
Only Upstream Surcharging
Only Downstream
Surcharging
Both Upstream and
Downstream Surcharging
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 204
SEE SHEET 211
SEE SHEET 213

BBUUEENNAA CCRREEEEKK RRDD

COUNTRY CREEK COUNTRY CREEK

N TWIN OAKS VALLEY RD N TWIN OAKS VALLEY RD

EQUESTRIAN CT

SSPPRRIINNGG CCRREEEEKK

OLIVE ST

PRIVATE DY PRIVATE DY

PRIVATE DY PRIVATE DY
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'
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'
720' 720'
710' 710'
800'
800'
800' 800'
700'
700'
700'
700'
700'
700'
720'
720'
710'
710'
CLEN10161
CLEN10162
INLT10092
CLEN10163
INLT10099
INLT10100
INLT10108

SAN MARCOS SAN MARCOS
S.D. COUNTY S.D. COUNTY
PIPE10572
PIPE10571
CULV10013
PIPE10547
PIPE10549
PIPE10546
PIPE10550
OTLT10316
W:\17729_SanMarcosDMP\GIS\DeliverableMaps\SMDMP_C_100yrResultsMaps_11x17.mxd City of San Marcos - Drainage Master Plan

APPENDIX C
Existing Deficient Systems, 100 Year Results - Sheet 213 Major River / Stream
Sub-Catchments
Existing Inventory
Channel Confluence
Cleanout
Curb Inlet
Curb Outlet
Detention Basin
Inlet
Outlet
Other
Separator
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
50-YR Flood Inundation
10-YR Flood Inundation
100-YR Flood Inundation
Storm Detention Basin
Surcharging Junctions
Surcharging Conduits
Only Upstream Surcharging
Only Downstream
Surcharging
Both Upstream and
Downstream Surcharging
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 205
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
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'
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'
730' 730'
720' 720'
720' 720'
INLT10089
INLT10090
CLEN10158
INLT10091
CLEN10159
CLEN10160
OTHR10078
INLT10117

SAN MARCOS SAN MARCOS
S.D. COUNTY S.D. COUNTY
CULV10035
PIPE10543
PIPE10542
PIPE10552
PIPE10545
PIPE10548
PIPE10549
PIPE10544
PIPE10541
OTLT10301
OTLT10304
OTLT10306
W:\17729_SanMarcosDMP\GIS\DeliverableMaps\SMDMP_C_100yrResultsMaps_11x17.mxd City of San Marcos - Drainage Master Plan

APPENDIX C
Existing Deficient Systems, 100 Year Results - Sheet 214 Major River / Stream
Sub-Catchments
Existing Inventory
Channel Confluence
Cleanout
Curb Inlet
Curb Outlet
Detention Basin
Inlet
Outlet
Other
Separator
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
50-YR Flood Inundation
10-YR Flood Inundation
100-YR Flood Inundation
Storm Detention Basin
Surcharging Junctions
Surcharging Conduits
Only Upstream Surcharging
Only Downstream
Surcharging
Both Upstream and
Downstream Surcharging
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 206
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_C_100yrResultsMaps_11x17.mxd City of San Marcos - Drainage Master Plan

APPENDIX C
Existing Deficient Systems, 100 Year Results - Sheet 215 Major River / Stream
Sub-Catchments
Existing Inventory
Channel Confluence
Cleanout
Curb Inlet
Curb Outlet
Detention Basin
Inlet
Outlet
Other
Separator
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
50-YR Flood Inundation
10-YR Flood Inundation
100-YR Flood Inundation
Storm Detention Basin
Surcharging Junctions
Surcharging Conduits
Only Upstream Surcharging
Only Downstream
Surcharging
Both Upstream and
Downstream Surcharging
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 207
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'
1450'
1450'
1430'
1410' 1410'
1400'
1400'
1390' 1390'
1380'
1380'
1360' 1360'
1340'
1340'
1310'
1300'
1290'
1280' 1280'
1250'
1230'
1220' 1220'
1210' 1210'
1200' 1200'
1190' 1190'
1180' 1180'
1170' 1170'
1160' 1160'
1150' 1150'
1130'
1120' 1120'
1110'
1370'
1370'
1350'
1330'
1330'
1320'
1320'
1260' 1260'
1240'
1140'
1100'
1090' 1090'
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'
1500' 1500'
1490' 1490'
1440' 1440'
1420'
1420'
1270' 1270'
1080' 1080'
1070' 1070'
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_C_100yrResultsMaps_11x17.mxd City of San Marcos - Drainage Master Plan

APPENDIX C
Existing Deficient Systems, 100 Year Results - Sheet 216 Major River / Stream
Sub-Catchments
Existing Inventory
Channel Confluence
Cleanout
Curb Inlet
Curb Outlet
Detention Basin
Inlet
Outlet
Other
Separator
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
50-YR Flood Inundation
10-YR Flood Inundation
100-YR Flood Inundation
Storm Detention Basin
Surcharging Junctions
Surcharging Conduits
Only Upstream Surcharging
Only Downstream
Surcharging
Both Upstream and
Downstream Surcharging
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 208
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'
1470' 1470'
1460' 1460'
1450' 1450'
1440' 1440'
1430' 1430'
1420' 1420'
1410' 1410'
1400' 1400'
1390' 1390'
1380' 1380'
1370' 1370'
1360' 1350' 1350' 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'
1480' 1480'
1510' 1510'
1470' 1470'
1470' 1470'
1460'
1430' 1430'
1420'
1390' 1390'
1340'
1440'
1440'
S.D. COUNTY S.D. COUNTY

ESCONDIDO ESCONDIDO
W:\17729_SanMarcosDMP\GIS\DeliverableMaps\SMDMP_C_100yrResultsMaps_11x17.mxd City of San Marcos - Drainage Master Plan

APPENDIX C
Existing Deficient Systems, 100 Year Results - Sheet 217 Major River / Stream
Sub-Catchments
Existing Inventory
Channel Confluence
Cleanout
Curb Inlet
Curb Outlet
Detention Basin
Inlet
Outlet
Other
Separator
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
50-YR Flood Inundation
10-YR Flood Inundation
100-YR Flood Inundation
Storm Detention Basin
Surcharging Junctions
Surcharging Conduits
Only Upstream Surcharging
Only Downstream
Surcharging
Both Upstream and
Downstream Surcharging
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 209
SEE SHEET 216
PPRRII

VVAATTEERRDD HHOOLLLLYYBBEERRRRYY TTLL

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'
940'
940'
930'
930'
910'
910'
900'
900'
890'
890'
880'
880'
860'
860'
840'
840'
830' 830'
820'
820'
810'
810'
800'
800'
780'
780'
770' 770'
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'
920' 920'
850' 850'
790'
790'
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_C_100yrResultsMaps_11x17.mxd City of San Marcos - Drainage Master Plan

APPENDIX C
Existing Deficient Systems, 100 Year Results - Sheet 218 Major River / Stream
Sub-Catchments
Existing Inventory
Channel Confluence
Cleanout
Curb Inlet
Curb Outlet
Detention Basin
Inlet
Outlet
Other
Separator
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
50-YR Flood Inundation
10-YR Flood Inundation
100-YR Flood Inundation
Storm Detention Basin
Surcharging Junctions
Surcharging Conduits
Only Upstream Surcharging
Only Downstream
Surcharging
Both Upstream and
Downstream Surcharging
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 211
SEE SHEET 219

PPRRIIVVAATTEERRDD

PPRRIIVVAATTEE RRDD

TTAAMMAARRAA
LLNN

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

BECKY LN BECKY LN
1300' 1300'
1290'
1290'
1280'
1280'
1270'
1270'
1260' 1260'
1250' 1250'
1240' 1240'
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'
1020' 1020'
1010'
1010' 1000'
1000'
990' 990'
970'
950'
940'
930' 930'
920' 920'
910'
910'
900'
890'
880'
1060'
1060'
1050'
1050'
1040'
1040'
1030'
1030'
1020'
1020'
1010'
1010'
1000'
1000'
990'
990'
980' 980'
970' 970'
960' 960'
950'
950'
1220'
1210'
1210'
1200' 1200'
1190' 1190'
1180' 1180'
1170'
1170'
1160' 1160'
1150' 1150'
1140' 1140'
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'
1310' 1310'
1300' 1300'
1290' 1290'
1280'
1280'
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'
1080'
1070'
1070'
1060'
1050'
1050'
1040'
1040'
1030'
1030'
1020'
1010'
1010'
1000'
1000'
990' 990'
970' 970'
980' 980'
960' 960'
1080' 1080'
1070' 1070'
1060' 1060'
1050' 1050'
1040'
1040'
1030'
1030'
1020' 1020'
1010'
1010'
1000' 1000'
990' 990'
980' 980'
970'
970'
1250'
1250'
1240'
1240'
1230'
1230'
1220' 1220'
1210' 1210'
1200' 1200'
1190' 1190'
1180'
1180'
1170'
1170'
1160'
1160'
1200' 1200'
1190' 1190'
1180' 1180'
1170' 1170'
1160' 1160'
1150' 1150'
1140' 1140'
1130'
1130'
1120'
1120'
1110'
1110'
1210' 1210'
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'
1060' 1060'
1050' 1050'
1030' 1030'
1030'
1030'
1020'
1020'
1030' 1030'
1020'
1020'
1030'
1030'
1020' 1020'
950'
950'
940'
940'
940'
940'
930'
930'
930' 930'
910' 910'
920' 920'
940' 940'
930'
930'
1310' 1310'
1230' 1230'
980'
980'
1090'
960' 960'
1090'
1070'
940' 940'
1290' 1290'
1090' 1090'
1080'
1080'
950' 950'
960' 960'
940' 940'
1270' 1270'
1260' 1260'
1050'
1050'
1190'
1190'
1030'
1030'
940' 940'
1310'
1310'
1210' 1210'
1180' 1180'
1170' 1170'
1160'
1070' 1070'
1010'
1010'
960' 960'
950' 950'
940' 940'
920' 920'
900' 900'
S.D. COUNTY S.D. COUNTY
W:\17729_SanMarcosDMP\GIS\DeliverableMaps\SMDMP_C_100yrResultsMaps_11x17.mxd City of San Marcos - Drainage Master Plan

APPENDIX C
Existing Deficient Systems, 100 Year Results - Sheet 219 Major River / Stream
Sub-Catchments
Existing Inventory
Channel Confluence
Cleanout
Curb Inlet
Curb Outlet
Detention Basin
Inlet
Outlet
Other
Separator
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
50-YR Flood Inundation
10-YR Flood Inundation
100-YR Flood Inundation
Storm Detention Basin
Surcharging Junctions
Surcharging Conduits
Only Upstream Surcharging
Only Downstream
Surcharging
Both Upstream and
Downstream Surcharging
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 212
SEE SHEET 218SEE SHEET 220

PRIVATE RD

PPRRIIVVAATTEE DDYY

N TWIN OAKS VALLEY RD N TWIN OAKS VALLEY RD

DEER SPRINGS RD DEER SPRINGS RD
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'
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'
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'
800'
800'
790'
790'
740' 740'
730' 730'
750'
750'
740'
740'
740' 740'
730' 730'
740' 740'
730' 730'
740'
740'
730'
730'
1160'
1160'
1170' 1170'
810' 810'
1020' 1020'
1030'
1030'
740' 740'
INLT10099

SAN MARCOS SAN MARCOS
S.D. COUNTY S.D. COUNTY
W:\17729_SanMarcosDMP\GIS\DeliverableMaps\SMDMP_C_100yrResultsMaps_11x17.mxd City of San Marcos - Drainage Master Plan

APPENDIX C
Existing Deficient Systems, 100 Year Results - Sheet 220 Major River / Stream
Sub-Catchments
Existing Inventory
Channel Confluence
Cleanout
Curb Inlet
Curb Outlet
Detention Basin
Inlet
Outlet
Other
Separator
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
50-YR Flood Inundation
10-YR Flood Inundation
100-YR Flood Inundation
Storm Detention Basin
Surcharging Junctions
Surcharging Conduits
Only Upstream Surcharging
Only Downstream
Surcharging
Both Upstream and
Downstream Surcharging
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 213
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_C_100yrResultsMaps_11x17.mxd City of San Marcos - Drainage Master Plan

APPENDIX C
Existing Deficient Systems, 100 Year Results - Sheet 221 Major River / Stream
Sub-Catchments
Existing Inventory
Channel Confluence
Cleanout
Curb Inlet
Curb Outlet
Detention Basin
Inlet
Outlet
Other
Separator
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
50-YR Flood Inundation
10-YR Flood Inundation
100-YR Flood Inundation
Storm Detention Basin
Surcharging Junctions
Surcharging Conduits
Only Upstream Surcharging
Only Downstream
Surcharging
Both Upstream and
Downstream Surcharging
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 214
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'
1350'
1340'
1330'
1320'
1310'
1300'
1290'
1280' 1280'
1270'
1260'
1250'
1240'
1240'
1230'
1230'
1220'
1220'
1210'
1210'
1200'
1200'
1190'
1190'
1180'
1180'
1170' 1170'
1160'
1150' 1150'
1120'
1120'
1100'
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'
930'
920'
890'
890' 880'
1130'
1130'
950'
950'
940' 940'
910'
910'
900'
900'
870'
860' 860'
850'
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'
1140'
1140'
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_C_100yrResultsMaps_11x17.mxd City of San Marcos - Drainage Master Plan

APPENDIX C
Existing Deficient Systems, 100 Year Results - Sheet 222 Major River / Stream
Sub-Catchments
Existing Inventory
Channel Confluence
Cleanout
Curb Inlet
Curb Outlet
Detention Basin
Inlet
Outlet
Other
Separator
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
50-YR Flood Inundation
10-YR Flood Inundation
100-YR Flood Inundation
Storm Detention Basin
Surcharging Junctions
Surcharging Conduits
Only Upstream Surcharging
Only Downstream
Surcharging
Both Upstream and
Downstream Surcharging
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 215
SEE SHEET 221SEE SHEET 223

PP RRIIVVAATTEE 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'
1460'
1360' 1360'
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'
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_C_100yrResultsMaps_11x17.mxd City of San Marcos - Drainage Master Plan

APPENDIX C
Existing Deficient Systems, 100 Year Results - Sheet 223 Major River / Stream
Sub-Catchments
Existing Inventory
Channel Confluence
Cleanout
Curb Inlet
Curb Outlet
Detention Basin
Inlet
Outlet
Other
Separator
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
50-YR Flood Inundation
10-YR Flood Inundation
100-YR Flood Inundation
Storm Detention Basin
Surcharging Junctions
Surcharging Conduits
Only Upstream Surcharging
Only Downstream
Surcharging
Both Upstream and
Downstream Surcharging
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 216
SEE SHEET 222SEE SHEET 224

PRIVATE RD

JJEESS MMOONNDD DDEENNEE RRDD
PPRRII

VVAATTEE RRDD
NN

CCEENN TTRREE

CCII TTYY
PPYY

PPRRIIVVAATTEE RRDD

PRIVATE RD

WWIINN DD
SS

OONNGG 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_C_100yrResultsMaps_11x17.mxd City of San Marcos - Drainage Master Plan

APPENDIX C
Existing Deficient Systems, 100 Year Results - Sheet 224 Major River / Stream
Sub-Catchments
Existing Inventory
Channel Confluence
Cleanout
Curb Inlet
Curb Outlet
Detention Basin
Inlet
Outlet
Other
Separator
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
50-YR Flood Inundation
10-YR Flood Inundation
100-YR Flood Inundation
Storm Detention Basin
Surcharging Junctions
Surcharging Conduits
Only Upstream Surcharging
Only Downstream
Surcharging
Both Upstream and
Downstream Surcharging
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 217
SEE SHEET 223

VVIIAA CCOONNCCAA DDOORROO

SSAALLEEMMSSTT

EEMMMMAA RRDD

VVIAIA RRAANNCCHHOO PPAACC FIFI CICI AA

VIA PARADISO

PACIFIC VISTA WY PACIFIC VISTA WY
1160'
1160'
1150'
1150'
1140' 1140'
1130'
1130'
1120' 1120'
1110'
1110'
1100' 1100'
1090'
1090'
1080'
1080'
1070'
1070'
1060'
1060'
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'
890' 890'
900' 900'
880' 880'
870'
870'
860' 860'
850' 850'
830'
830'
820' 820'
1120'
1110'
1100'
1090'
1080'
1070' 1070'
1060'
1050'
1050'
1030'
1020'
1020'
1010'
1010'
1000'
990'
980'
970' 970'
960'
950'
940' 940'
1150'
1150'
1140'
1130'
1130'
1120' 1120'
1110'
1100'
1090'
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'
1170' 1170'
1160' 1160'
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'
810'
810'
800' 800'
1050'
1050'
990'
840'
810'
810'
1040'
1040'
1000'
1000'
830'
830'
820'
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_C_100yrResultsMaps_11x17.mxd City of San Marcos - Drainage Master Plan

APPENDIX C
Existing Deficient Systems, 100 Year Results - Sheet 225 Major River / Stream
Sub-Catchments
Existing Inventory
Channel Confluence
Cleanout
Curb Inlet
Curb Outlet
Detention Basin
Inlet
Outlet
Other
Separator
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
50-YR Flood Inundation
10-YR Flood Inundation
100-YR Flood Inundation
Storm Detention Basin
Surcharging Junctions
Surcharging Conduits
Only Upstream Surcharging
Only Downstream
Surcharging
Both Upstream and
Downstream Surcharging
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 218
SEE SHEET 226

TTAAMMAARRAA
LLNN

PPRR VIVI AATTEERRDD

PRIVATE RD PRIVATE RD

PPRRIIVVAATTEEDDYY

PPAACCIIFFIICC VVIISSTTAA WWYY

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'
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'
920' 920'
910' 910'
900'
900'
890'
890'
880'
880'
870'
870'
860' 860'
850'
850'
840' 840'
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'
1220'
1220'
1210'
1210'
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'
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'
1220'
1220'
1210' 1210'
1200'
1200'
1190' 1190'
1180' 1180'
1170' 1170'
1160' 1160'
1150' 1150'
1140'
1140'
1130' 1130'
1120'
1120'
1110'
1110'
1180' 1180'
1170'
1170'
1160' 1160'
1150' 1150'
960'
960'
950'
950'
940' 940'
930' 930'
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'
1080' 1080'
1070'
1070'
1060'
1060'
920'
920'
910'
910'
1240' 1240'
1230' 1230'
1220' 1220'
1180'
1180'
1170' 1170'
840'
840'
830' 830'
1100'
1100'
1090'
1090'
810'
810'
800' 800'
930'
930'
830' 830'
820'
950' 950'
860' 860'
850'
850'
830' 830'
920' 920'
1020'
1100' 1100'
1190'
1190'
1180' 1180'
1170'
1170'
1170' 1170'
1170'
1230'
1230'
1230' 1230'
1200'
1190'
1190'
980' 980'
970'
970'
830'
800'
800'
S.D. COUNTY S.D. COUNTY
W:\17729_SanMarcosDMP\GIS\DeliverableMaps\SMDMP_C_100yrResultsMaps_11x17.mxd City of San Marcos - Drainage Master Plan

APPENDIX C
Existing Deficient Systems, 100 Year Results - Sheet 226 Major River / Stream
Sub-Catchments
Existing Inventory
Channel Confluence
Cleanout
Curb Inlet
Curb Outlet
Detention Basin
Inlet
Outlet
Other
Separator
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
50-YR Flood Inundation
10-YR Flood Inundation
100-YR Flood Inundation
Storm Detention Basin
Surcharging Junctions
Surcharging Conduits
Only Upstream Surcharging
Only Downstream
Surcharging
Both Upstream and
Downstream Surcharging
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 219
SEE SHEET 225SEE SHEET 227
SS
OOLLAA

RR 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'
1060' 1060'
1050'
1050'
1040'
1030'
1020' 1020'
1010'
1000'
990'
980'
970'
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'
790' 790'
780'
780'
900'
900'
890'
880'
870'
860'
850'
840' 840'
830' 830'
820'
820'
810' 810'
800' 800'
790' 790'
960' 960'
950' 950'
940' 940'
930' 930'
920'
920'
910' 910'
820'
820'
810' 810'
800'
800'
790'
790'
1190'
1190'
1180'
1180'
1170' 1170'
1160' 1160'
1150' 1150'
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'
1140' 1140'
950' 950'
780' 780'
770' 770'
900' 900'
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_C_100yrResultsMaps_11x17.mxd City of San Marcos - Drainage Master Plan

APPENDIX C
Existing Deficient Systems, 100 Year Results - Sheet 227 Major River / Stream
Sub-Catchments
Existing Inventory
Channel Confluence
Cleanout
Curb Inlet
Curb Outlet
Detention Basin
Inlet
Outlet
Other
Separator
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
50-YR Flood Inundation
10-YR Flood Inundation
100-YR Flood Inundation
Storm Detention Basin
Surcharging Junctions
Surcharging Conduits
Only Upstream Surcharging
Only Downstream
Surcharging
Both Upstream and
Downstream Surcharging
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 220
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_C_100yrResultsMaps_11x17.mxd City of San Marcos - Drainage Master Plan

APPENDIX C
Existing Deficient Systems, 100 Year Results - Sheet 228 Major River / Stream
Sub-Catchments
Existing Inventory
Channel Confluence
Cleanout
Curb Inlet
Curb Outlet
Detention Basin
Inlet
Outlet
Other
Separator
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
50-YR Flood Inundation
10-YR Flood Inundation
100-YR Flood Inundation
Storm Detention Basin
Surcharging Junctions
Surcharging Conduits
Only Upstream Surcharging
Only Downstream
Surcharging
Both Upstream and
Downstream Surcharging
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 221
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_C_100yrResultsMaps_11x17.mxd City of San Marcos - Drainage Master Plan

APPENDIX C
Existing Deficient Systems, 100 Year Results - Sheet 229 Major River / Stream
Sub-Catchments
Existing Inventory
Channel Confluence
Cleanout
Curb Inlet
Curb Outlet
Detention Basin
Inlet
Outlet
Other
Separator
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
50-YR Flood Inundation
10-YR Flood Inundation
100-YR Flood Inundation
Storm Detention Basin
Surcharging Junctions
Surcharging Conduits
Only Upstream Surcharging
Only Downstream
Surcharging
Both Upstream and
Downstream Surcharging
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 222
SEE SHEET 228SEE SHEET 230
PPRR

VIVI AATTEE RRDD

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'
1190'
1190'
1180' 1180'
1170'
1170'
1150'
1150'
1140' 1140'
1130' 1130'
1100' 1100'
1080'
1080'
1070' 1070'
1060'
1060'
1230'
1230'
1220'
1220'
1210'
1210'
1200'
1200'
1160' 1160'
1120'
1120'
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'
1130'
1130'
1120'
1120'
1120'
1120'
1110'
1110'
1100'
1100'
1090'
1090'
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'
1050' 1050'
1040'
1040'
1030'
1030'
1010' 1010'
1020' 1020'
1000' 1000'
900'
900'
850' 850'
840'
970'
970'
1350'
1350'
1310'
1310'
1130'
1130'
1140'
1140'
1130'
1130'
1130' 1130'
1130' 1130'
1110'
1110'
1090' 1090'
1340'
1270' 1270'
1270'
1090'
920'
920'
820'
820'
S.D. COUNTY S.D. COUNTY
W:\17729_SanMarcosDMP\GIS\DeliverableMaps\SMDMP_C_100yrResultsMaps_11x17.mxd City of San Marcos - Drainage Master Plan

APPENDIX C
Existing Deficient Systems, 100 Year Results - Sheet 230 Major River / Stream
Sub-Catchments
Existing Inventory
Channel Confluence
Cleanout
Curb Inlet
Curb Outlet
Detention Basin
Inlet
Outlet
Other
Separator
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
50-YR Flood Inundation
10-YR Flood Inundation
100-YR Flood Inundation
Storm Detention Basin
Surcharging Junctions
Surcharging Conduits
Only Upstream Surcharging
Only Downstream
Surcharging
Both Upstream and
Downstream Surcharging
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 237
SEE SHEET 223
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

PRIVATE RD PRIVATE RD

PPRROOTTEEAA GGAARRDDEENNSS RRDD

MMEESSAA

RROOCCKK
RRDD
15 1180' 1180'
1160' 1160'
1150' 1150'
1140' 1140'
1130' 1130'
1120'
1120'
1110'
1110'
1100'
1100'
1090'
1090'
1080'
1080'
1070' 1070'
1060' 1060'
1040' 1040'
1030' 1030'
1020'
1020'
1000' 1000'
1270'
1260'
1260'
1250'
1250'
1240'
1240'
1230'
1220' 1220'
1200' 1200'
1190' 1190'
1170' 1170'
970'
970'
1070'
1060'
1050'
1040'
1030'
1020' 1020'
1010'
1000' 1000'
1000' 1000'
990' 990'
1210'
1210'
1050' 1050'
1010'
1010'
980'
980'
1280'
1280'
1060' 1060'
1020'
1020'
1020'
1020'
1020'
1020'
S.D. COUNTY S.D. COUNTY
W:\17729_SanMarcosDMP\GIS\DeliverableMaps\SMDMP_C_100yrResultsMaps_11x17.mxd City of San Marcos - Drainage Master Plan

APPENDIX C
Existing Deficient Systems, 100 Year Results - Sheet 231 Major River / Stream
Sub-Catchments
Existing Inventory
Channel Confluence
Cleanout
Curb Inlet
Curb Outlet
Detention Basin
Inlet
Outlet
Other
Separator
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
50-YR Flood Inundation
10-YR Flood Inundation
100-YR Flood Inundation
Storm Detention Basin
Surcharging Junctions
Surcharging Conduits
Only Upstream Surcharging
Only Downstream
Surcharging
Both Upstream and
Downstream Surcharging
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 238
SEE SHEET 224
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'
1020' 1020'
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'
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_C_100yrResultsMaps_11x17.mxd City of San Marcos - Drainage Master Plan

APPENDIX C
Existing Deficient Systems, 100 Year Results - Sheet 232 Major River / Stream
Sub-Catchments
Existing Inventory
Channel Confluence
Cleanout
Curb Inlet
Curb Outlet
Detention Basin
Inlet
Outlet
Other
Separator
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
50-YR Flood Inundation
10-YR Flood Inundation
100-YR Flood Inundation
Storm Detention Basin
Surcharging Junctions
Surcharging Conduits
Only Upstream Surcharging
Only Downstream
Surcharging
Both Upstream and
Downstream Surcharging
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 225
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_C_100yrResultsMaps_11x17.mxd City of San Marcos - Drainage Master Plan

APPENDIX C
Existing Deficient Systems, 100 Year Results - Sheet 233 Major River / Stream
Sub-Catchments
Existing Inventory
Channel Confluence
Cleanout
Curb Inlet
Curb Outlet
Detention Basin
Inlet
Outlet
Other
Separator
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
50-YR Flood Inundation
10-YR Flood Inundation
100-YR Flood Inundation
Storm Detention Basin
Surcharging Junctions
Surcharging Conduits
Only Upstream Surcharging
Only Downstream
Surcharging
Both Upstream and
Downstream Surcharging
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 226
SEE SHEET 232SEE SHEET 234

PPRRIIVVAATTEE RRDD

SOLAR LN SOLAR LN

HOMESTEAD DR

SSOOLLAARR VV EIEI WW DDRR
1170' 1170' 1160' 1160' 1150' 1150' 1140' 1140' 1130' 1130' 1120' 1120' 1110' 1110' 1100' 1100' 1090' 1090' 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' 840' 840' 830' 830'
820' 820'
810' 810'
800' 800'
1090' 1090'
1080' 1080'
1070' 1070'
1060' 1060'
1050' 1050'
1040' 1040'
1030' 1030'
1020' 1020'
1000' 1000'
990' 990'
980' 980'
970' 970'
950' 950'
940' 940'
1040' 1040' 1030' 1030' 1020' 1020' 1010' 1010'
990' 980'
940' 940'
930' 930'
920' 920' 910' 910'
900' 900'
960' 960' 950' 950'
910' 910' 900' 900'
890'
890' 880' 880'
850'
850' 840' 840' 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'
1000' 1000' 810' 810' 800' 800' 790' 790'
810' 810'
800' 800'
790'
1070' 1060'
930' 930' 920' 920'
930' 930'
920'
920'
930' 930' 920' 920'
860' 860'
850' 850'
1180' 1180'
1080' 1080'
850' 850'
790' 790'
1010' 1010'
960' 960'
1050' 1050'
970' 970'
890' 890'
870' 870' 860' 860'
920' 920'
1180' 1180'
1030' 1030'
1030' 1030'
990'
1000' 1000'
870' 870'
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_C_100yrResultsMaps_11x17.mxd City of San Marcos - Drainage Master Plan

APPENDIX C
Existing Deficient Systems, 100 Year Results - Sheet 234 Major River / Stream
Sub-Catchments
Existing Inventory
Channel Confluence
Cleanout
Curb Inlet
Curb Outlet
Detention Basin
Inlet
Outlet
Other
Separator
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
50-YR Flood Inundation
10-YR Flood Inundation
100-YR Flood Inundation
Storm Detention Basin
Surcharging Junctions
Surcharging Conduits
Only Upstream Surcharging
Only Downstream
Surcharging
Both Upstream and
Downstream Surcharging
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 227
SEE SHEET 233SEE SHEET 235

PRIVATE RD PRIVATE RD

GGISISTT RRDD

PPRRIIVVAATTEERRDD

PPRRIIVVAATTEE RRDD

HOMESTEAD DR HOMESTEAD DR

CCOOUUNNTTRRYY GGAARRDDEENN LLNN

PPRRIIVVAATTEERRDD

SARVER LN SARVER LN

NNDDEEEERR SSPPRRIINNGGSSPPLL
1200' 1200'
1190'
1190'
1180' 1180'
1170'
1170'
1160'
1160'
1150'
1150'
1140'
1140'
1110' 1110'
1100'
1100'
1090'
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'
910'
910'
900'
900'
880'
870'
870'
860' 860'
850'
850'
840'
840'
830'
810'
810'
1130'
1080'
1060'
1060'
1040' 1040'
1030' 1030'
1020' 1020'
1010'
1000'
990'
980'
970'
960'
950'
940'
930'
920'
910'
900'
890' 890'
880'
870'
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'
830'
830'
820'
820'
810' 810'
800' 800'
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'
840' 840'
830'
830'
1070'
1070'
1060' 1060'
850' 850'
840' 840'
850' 850'
840' 840'
840' 840'
830' 830'
820'
820'
810'
810'
800'
800'
790' 790'
1210'
1210'
1120'
1070' 1070'
920' 920'
890' 890'
820' 820'
1080'
1080'
1050' 1050'
980'
980'
1060'
1060'
850'
850'
940' 940'
1070' 1070'
870' 870'
1140' 1140'
940'
940'
870' 870'
860'
860'
830' 830'
820'
820'
800' 800'
800'
780' 780'
S.D. COUNTY S.D. COUNTY
W:\17729_SanMarcosDMP\GIS\DeliverableMaps\SMDMP_C_100yrResultsMaps_11x17.mxd City of San Marcos - Drainage Master Plan

APPENDIX C
Existing Deficient Systems, 100 Year Results - Sheet 235 Major River / Stream
Sub-Catchments
Existing Inventory
Channel Confluence
Cleanout
Curb Inlet
Curb Outlet
Detention Basin
Inlet
Outlet
Other
Separator
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
50-YR Flood Inundation
10-YR Flood Inundation
100-YR Flood Inundation
Storm Detention Basin
Surcharging Junctions
Surcharging Conduits
Only Upstream Surcharging
Only Downstream
Surcharging
Both Upstream and
Downstream Surcharging
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 228
SEE SHEET 234SEE SHEET 236

NN DDEEEERR SSPPRRII NNGGSS PPLL

PPRRIIVVAATTEE
RRDD
1400' 1400' 1340' 1340' 1330' 1330' 1320' 1320' 1310' 1310' 1300' 1300' 1280' 1280' 1260' 1260' 1250' 1250' 1240' 1240' 1220' 1220' 1210' 1210' 1200' 1200' 1190' 1190' 1180' 1180' 1150' 1150' 1100' 1100' 1090' 1090' 1080' 1080' 1070' 1060' 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' 880' 880' 870' 870' 860' 860' 850' 850'
1440' 1440'
1430' 1430'
1420' 1420'
1410' 1410'
1390' 1390' 1380' 1380' 1370' 1370'
1110'
1110'
890'
890'
840' 840' 830' 830'
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'
1290'
1290'
1280'
1280' 1270' 1270' 1260' 1260' 1250' 1250' 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'
1320' 1320'
1310'
1310'
1240' 1240' 1230' 1230' 1220' 1220'
1150' 1130' 1130'
1090' 1090' 1080' 1080' 1060' 1060'
900' 900' 890' 890' 880' 880'
870'
870'
1310' 1310'
1300' 1300'
1280' 1280' 1270' 1270' 1260' 1260'
1180' 1180'
1170' 1170'
1310' 1310'
1300'
1300'
1270'
1270'
1260' 1260'
1140' 1140' 1130' 1130'
860' 860' 850' 850'
860' 860' 850' 850'
1220' 1220'
1210' 1210'
1160' 1160'
1150' 1150'
1360' 1360'
1350' 1350'
1290' 1290'
1270' 1270'
1230'
1230' 1170'
1160' 1160'
1140' 1140'
1130'
1130'
1120' 1120'
1130' 1130'
940' 940'
1320' 1320'
1110' 1110'
1130' 1130'
1120' 1120'
1330' 1330'
1070' 1070'
1140' 1140'
1320'
1290' 1290'
1260' 1260'
1180'
1130' 1130'
1090' 1090'
840' 840'
1410' 1410' 1410' 1410'
1380' 1380'
1190' 1190'
1110'
840' 840'
840' 840'
830' 830'
S.D. COUNTY S.D. COUNTY
W:\17729_SanMarcosDMP\GIS\DeliverableMaps\SMDMP_C_100yrResultsMaps_11x17.mxd City of San Marcos - Drainage Master Plan

APPENDIX C
Existing Deficient Systems, 100 Year Results - Sheet 236 Major River / Stream
Sub-Catchments
Existing Inventory
Channel Confluence
Cleanout
Curb Inlet
Curb Outlet
Detention Basin
Inlet
Outlet
Other
Separator
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
50-YR Flood Inundation
10-YR Flood Inundation
100-YR Flood Inundation
Storm Detention Basin
Surcharging Junctions
Surcharging Conduits
Only Upstream Surcharging
Only Downstream
Surcharging
Both Upstream and
Downstream Surcharging
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 229
SEE SHEET 235SEE SHEET 237

MMEESSAA

RROOCCKK
RRDD

DEER SPRINGS RD DEER SPRINGS RD

PRIVATE RD

SSEERREENNDDIIPPIITTYY 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'
1110' 1110'
1070'
1070'
1050'
1050'
1010'
1010'
990'
980'
980'
940'
940'
930'
930'
870' 870'
860'
860'
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'
1130'
1090'
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'
1250'
1240'
1240'
1230'
1220'
1210'
1200'
1200'
1190'
1190'
1180'
1170'
1160'
1150' 1150'
1140' 1140'
1130'
1130'
1120'
1120'
1110'
1110'
1100'
1100'
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'
1270' 1270'
1250' 1250'
1180' 1180'
1170' 1170'
1050' 1050'
1030'
1030'
1040' 1040'
1020' 1020'
1010'
1010'
1000'
1000'
990' 990'
1290'
1280'
1260' 1260'
1250'
1250'
1070' 1070'
1060' 1060'
1290' 1290'
1280' 1280'
1270'
1260'
1170' 1170'
1160'
1160'
1010'
1010'
1000' 1000'
1350' 1350'
1340'
1190' 1190'
880'
880'
1230'
1230'
1080'
1080'
1040'
1040'
920'
920'
1090'
1090'
1020'
1020'
1180'
1210'
1210'
1150' 1150'
1140'
1140'
1140'
1140'
1100' 1100'
1100'
1100'
1070' 1070'
1080' 1080'
1070'
1040'
1040'
1300'
1300'
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_C_100yrResultsMaps_11x17.mxd City of San Marcos - Drainage Master Plan

APPENDIX C
Existing Deficient Systems, 100 Year Results - Sheet 237 Major River / Stream
Sub-Catchments
Existing Inventory
Channel Confluence
Cleanout
Curb Inlet
Curb Outlet
Detention Basin
Inlet
Outlet
Other
Separator
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
50-YR Flood Inundation
10-YR Flood Inundation
100-YR Flood Inundation
Storm Detention Basin
Surcharging Junctions
Surcharging Conduits
Only Upstream Surcharging
Only Downstream
Surcharging
Both Upstream and
Downstream Surcharging
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

MM EESSAA 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_C_100yrResultsMaps_11x17.mxd City of San Marcos - Drainage Master Plan

APPENDIX C
Existing Deficient Systems, 100 Year Results - Sheet 238 Major River / Stream
Sub-Catchments
Existing Inventory
Channel Confluence
Cleanout
Curb Inlet
Curb Outlet
Detention Basin
Inlet
Outlet
Other
Separator
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
50-YR Flood Inundation
10-YR Flood Inundation
100-YR Flood Inundation
Storm Detention Basin
Surcharging Junctions
Surcharging Conduits
Only Upstream Surcharging
Only Downstream
Surcharging
Both Upstream and
Downstream Surcharging
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

HHAARR DDEELLLL LLNN

PPRRIIVVAATTEE RRDD

EELLPPAASSOOAALLTTOONNOORRTTEE

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' 1040' 1040' 1030' 1030' 1020'
1010' 1010' 1000' 1000'
990' 990'
980' 980'
970'
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'
960' 960'
950' 950'
940' 940'
1200' 1200'
1190' 1190'
960' 960' 950' 950'
1160' 1160'
1020' 1020'
880'
980' 980'
1180' 1180'
1180' 1180'
1030' 1030'
950' 950'
S.D. COUNTY S.D. COUNTY
W:\17729_SanMarcosDMP\GIS\DeliverableMaps\SMDMP_C_100yrResultsMaps_11x17.mxd City of San Marcos - Drainage Master Plan

APPENDIX C
Existing Deficient Systems, 100 Year Results - Sheet 239 Major River / Stream
Sub-Catchments
Existing Inventory
Channel Confluence
Cleanout
Curb Inlet
Curb Outlet
Detention Basin
Inlet
Outlet
Other
Separator
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
50-YR Flood Inundation
10-YR Flood Inundation
100-YR Flood Inundation
Storm Detention Basin
Surcharging Junctions
Surcharging Conduits
Only Upstream Surcharging
Only Downstream
Surcharging
Both Upstream and
Downstream Surcharging
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

VV SISI TTAA PPAACCIFIFICICAA

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'
1010'
1010'
1000'
1000'
990'
990'
980' 980'
970'
970'
960'
960'
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'
970' 970'
960'
960'
1180'
1180'
1170' 1170'
1160' 1160'
1150' 1150'
1050'
1050'
1040'
1040'
940' 940'
930' 930'
950' 950'
940'
940'
1210' 1210'
1060'
1060'
1020' 1020'
1300'
1190'
1190'
1090' 1090'
1000'
1000' 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_C_100yrResultsMaps_11x17.mxd City of San Marcos - Drainage Master Plan

APPENDIX C
Existing Deficient Systems, 100 Year Results - Sheet 240 Major River / Stream
Sub-Catchments
Existing Inventory
Channel Confluence
Cleanout
Curb Inlet
Curb Outlet
Detention Basin
Inlet
Outlet
Other
Separator
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
50-YR Flood Inundation
10-YR Flood Inundation
100-YR Flood Inundation
Storm Detention Basin
Surcharging Junctions
Surcharging Conduits
Only Upstream Surcharging
Only Downstream
Surcharging
Both Upstream and
Downstream Surcharging
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 232
SEE SHEET 239SEE SHEET 241

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_C_100yrResultsMaps_11x17.mxd City of San Marcos - Drainage Master Plan

APPENDIX C
Existing Deficient Systems, 100 Year Results - Sheet 241 Major River / Stream
Sub-Catchments
Existing Inventory
Channel Confluence
Cleanout
Curb Inlet
Curb Outlet
Detention Basin
Inlet
Outlet
Other
Separator
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
50-YR Flood Inundation
10-YR Flood Inundation
100-YR Flood Inundation
Storm Detention Basin
Surcharging Junctions
Surcharging Conduits
Only Upstream Surcharging
Only Downstream
Surcharging
Both Upstream and
Downstream Surcharging
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 233
SEE SHEET 240SEE SHEET 242

HHOOMMEESSTTEEAADDDDRR

SSOOLLAARR LLNN
PPRRI

IVVAATTEE RRDD

PRIVATE RD PRIVATE RD

JJOONNIILLNN

LYNN LN

HOMESTEAD DR

HOMESTEAD DR HOMESTEAD DR
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'
1020'
1020'
1000'
1000'
990' 990'
980' 980'
970' 970'
1030'
1030'
1010' 1010'
960' 960'
950' 950'
940' 940'
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'
1050'
1050'
1040'
1040'
1030' 1030'
1020' 1020'
1010' 1010'
1000'
1000'
990' 990'
980' 980'
970' 970'
960'
960' 1090' 1090'
1080' 1080'
1070' 1070'
1060'
1060'
1130'
1120'
1120'
1110' 1110'
1090' 1090'
1080'
1080'
1070'
1060'
1050' 1050'
1030'
1020'
1020'
1010' 1010'
1000' 1000'
1100'
990'
1160'
1160'
1150' 1150'
1060' 1060'
1050' 1050'
1040' 1040'
1030' 1030'
1020'
1020'
1010'
1010'
1000'
1000'
990'
990'
980' 980'
970' 970'
960'
960'
950' 950'
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'
1040' 1040'
1030' 1030'
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'
920'
920'
900' 900'
900'
900'
890'
890'
1070'
1070'
1060' 1060'
1190' 1190'
1170'
1170'
970' 970'
960' 960'
940' 940'
930' 930'
1040'
1040'
940'
940'
930'
930'
1050'
1050'
1020'
1160'
1160'
1110' 1110'
1040'
1040'
1170'
1070'
1070'
1040' 1040'
950'
950'
1070'
1070'
1010'
1010'
1000' 1000' 1000' 1000'
980'
980'
970' 970'
970' 970'
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_C_100yrResultsMaps_11x17.mxd City of San Marcos - Drainage Master Plan

APPENDIX C
Existing Deficient Systems, 100 Year Results - Sheet 242 Major River / Stream
Sub-Catchments
Existing Inventory
Channel Confluence
Cleanout
Curb Inlet
Curb Outlet
Detention Basin
Inlet
Outlet
Other
Separator
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
50-YR Flood Inundation
10-YR Flood Inundation
100-YR Flood Inundation
Storm Detention Basin
Surcharging Junctions
Surcharging Conduits
Only Upstream Surcharging
Only Downstream
Surcharging
Both Upstream and
Downstream Surcharging
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 234
SEE SHEET 241SEE SHEET 243

GGIISSTT RRDD

JJOONNII LLNN
1170' 1170'
1160' 1160'
1130'
1140'
1140'
1150' 1150'
1090'
1100'
1100'
1110'
1110'
1120' 1120'
1130'
1050'
1060'
1060'
1080'
1080'
1090'
1020' 1020'
1040' 1040'
1050'
1010' 1010'
1000' 1000'
990' 990'
950'
960' 960'
970' 970'
980'
980'
930' 930'
940'
940'
950'
900' 900'
910' 910'
890'
890'
870'
880' 880'
850'
860' 860'
870'
840' 840'
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'
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'
930'
920'
910'
1130'
1130'
1120'
1120'
1100'
1100'
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'
1070'
1070'
1030' 1030'
920' 920'
1090' 1090'
1080'
1070'
960' 960'
840'
900'
900'
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_C_100yrResultsMaps_11x17.mxd City of San Marcos - Drainage Master Plan

APPENDIX C
Existing Deficient Systems, 100 Year Results - Sheet 243 Major River / Stream
Sub-Catchments
Existing Inventory
Channel Confluence
Cleanout
Curb Inlet
Curb Outlet
Detention Basin
Inlet
Outlet
Other
Separator
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
50-YR Flood Inundation
10-YR Flood Inundation
100-YR Flood Inundation
Storm Detention Basin
Surcharging Junctions
Surcharging Conduits
Only Upstream Surcharging
Only Downstream
Surcharging
Both Upstream and
Downstream Surcharging
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 235
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'
1590' 1590'
1580' 1580'
1560'
1560'
1570'
1570'
1550' 1550'
1540'
1540'
1500'
1510'
1510'
1520' 1520'
1530'
1530'
1500'
1490' 1490'
1470' 1470'
1480' 1480'
1450' 1450'
1460'
1460'
1440' 1440'
1420' 1420'
1380'
1390' 1390'
1400'
1370' 1370'
1380'
1360' 1360'
1350'
1350'
1330' 1330'
1340' 1340'
1310' 1310'
1320' 1320'
1290' 1290'
1300'
1300'
1270'
1270'
1280' 1280'
1250' 1250'
1260' 1260'
1220' 1220'
1230' 1230'
1240'
1240'
1200' 1200'
1210'
1210'
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'
1180'
1170'
1160'
1160'
980'
1140' 1140'
1120'
1120'
1100' 1100'
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'
1190'
1190'
1170' 1170'
1160'
1160'
1130'
1130'
1110'
1090'
1080'
1560'
1550'
1550'
1540'
1530'
1520'
1510'
1500'
1500'
1490' 1490'
1480'
1480'
1450' 1450'
1440' 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'
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'
1200' 1200'
1210' 1210'
1170' 1170'
1160' 1160'
920'
920'
910' 910'
1590' 1590'
1580' 1580'
1430' 1430'
1420' 1420'
1150' 1150'
1140' 1140'
1130'
1130'
1120' 1120'
950'
950'
940' 940'
930'
930'
920' 920'
1600'
1090' 1090'
1030' 1030'
970' 970'
960'
950' 950'
1430'
1430'
1410' 1410'
1190'
1190'
940'
940'
930'
920' 920'
1010' 1010'
1570'
1570'
1470' 1470'
1460' 1460'
1040' 1040'
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_C_100yrResultsMaps_11x17.mxd City of San Marcos - Drainage Master Plan

APPENDIX C
Existing Deficient Systems, 100 Year Results - Sheet 244 Major River / Stream
Sub-Catchments
Existing Inventory
Channel Confluence
Cleanout
Curb Inlet
Curb Outlet
Detention Basin
Inlet
Outlet
Other
Separator
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
50-YR Flood Inundation
10-YR Flood Inundation
100-YR Flood Inundation
Storm Detention Basin
Surcharging Junctions
Surcharging Conduits
Only Upstream Surcharging
Only Downstream
Surcharging
Both Upstream and
Downstream Surcharging
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 236
SEE SHEET 243

HHAARRDDEELLLL
LLNN

PRIVATE RD PRIVATE RD
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_C_100yrResultsMaps_11x17.mxd City of San Marcos - Drainage Master Plan

APPENDIX C
Existing Deficient Systems, 100 Year Results - Sheet 245 Major River / Stream
Sub-Catchments
Existing Inventory
Channel Confluence
Cleanout
Curb Inlet
Curb Outlet
Detention Basin
Inlet
Outlet
Other
Separator
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
50-YR Flood Inundation
10-YR Flood Inundation
100-YR Flood Inundation
Storm Detention Basin
Surcharging Junctions
Surcharging Conduits
Only Upstream Surcharging
Only Downstream
Surcharging
Both Upstream and
Downstream Surcharging
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 251
SEE SHEET 239
SEE SHEET 246

EL PASO ALTO EL PASO ALTO

PRIVATE RD PRIVATE RD

EELLPPAASSOOAALLTTOONNOORRTTEE

VALLE PASO VALLE PASO

BRIDLE CREEK LN BRIDLE CREEK LN
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'
1010' 1010'
1000' 1000'
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'
1000'
1000'
990'
990'
980' 980'
970'
970'
1420' 1420'
1410' 1410'
1050'
1050'
1040' 1040'
1030'
1020'
970' 970'
960' 960'
950' 950'
940'
940'
1400'
1400'
970'
970'
1050' 1050'
1010'
1010'
1000' 1000' 1000'
1000' 1000' 1000'
1000'
1000'
970'
970'
1170'
1060' 1060'
1020' 1020'
1010' 1010'
980' 980'
980' 980'
970' 970'
950' 950'
1000' 1000'
S.D. COUNTY S.D. COUNTY
W:\17729_SanMarcosDMP\GIS\DeliverableMaps\SMDMP_C_100yrResultsMaps_11x17.mxd City of San Marcos - Drainage Master Plan

APPENDIX C
Existing Deficient Systems, 100 Year Results - Sheet 246 Major River / Stream
Sub-Catchments
Existing Inventory
Channel Confluence
Cleanout
Curb Inlet
Curb Outlet
Detention Basin
Inlet
Outlet
Other
Separator
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
50-YR Flood Inundation
10-YR Flood Inundation
100-YR Flood Inundation
Storm Detention Basin
Surcharging Junctions
Surcharging Conduits
Only Upstream Surcharging
Only Downstream
Surcharging
Both Upstream and
Downstream Surcharging
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 252
SEE SHEET 240
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'
1310'
1310'
1300'
1290'
1280'
1270' 1270'
1260'
1260'
1250' 1250'
1220'
1220'
1200'
1200'
1190'
1190'
1180'
1170'
1170'
1160'
1150'
1140'
1030'
1030'
1020' 1020'
1010'
1010'
1000'
1000'
990'
990'
970'
970'
1130' 1130'
1100' 1100'
1090'
1090'
1080' 1080'
1070'
1070'
980'
980'
960'
960'
950' 950'
940'
940'
1240'
1230' 1230'
1210'
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'
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'
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'
1120' 1120'
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_C_100yrResultsMaps_11x17.mxd City of San Marcos - Drainage Master Plan

APPENDIX C
Existing Deficient Systems, 100 Year Results - Sheet 247 Major River / Stream
Sub-Catchments
Existing Inventory
Channel Confluence
Cleanout
Curb Inlet
Curb Outlet
Detention Basin
Inlet
Outlet
Other
Separator
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
50-YR Flood Inundation
10-YR Flood Inundation
100-YR Flood Inundation
Storm Detention Basin
Surcharging Junctions
Surcharging Conduits
Only Upstream Surcharging
Only Downstream
Surcharging
Both Upstream and
Downstream Surcharging
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 241
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_C_100yrResultsMaps_11x17.mxd City of San Marcos - Drainage Master Plan

APPENDIX C
Existing Deficient Systems, 100 Year Results - Sheet 248 Major River / Stream
Sub-Catchments
Existing Inventory
Channel Confluence
Cleanout
Curb Inlet
Curb Outlet
Detention Basin
Inlet
Outlet
Other
Separator
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
50-YR Flood Inundation
10-YR Flood Inundation
100-YR Flood Inundation
Storm Detention Basin
Surcharging Junctions
Surcharging Conduits
Only Upstream Surcharging
Only Downstream
Surcharging
Both Upstream and
Downstream Surcharging
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 242
SEE SHEET 247SEE SHEET 249
1290'
1290'
1280'
1280'
1270'
1270'
1260'
1260'
1250'
1250'
1240'
1240'
1230'
1230'
1220' 1220'
1210'
1210'
1190'
1190'
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'
1000'
1000'
990'
990'
980' 980'
970' 970'
950'
950'
940' 940'
930' 930'
910' 910'
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'
1190'
1190'
1180'
1170'
1170'
1080'
1080'
1070'
1070'
1060'
1060'
1050'
1050'
1040'
1040'
1030' 1030'
1020'
1020'
1010'
1010'
1000'
1000'
1090'
1090'
980' 980'
1250'
1250'
1160'
1160'
1150'
1140' 1140'
1110'
1110'
1100' 1100'
1080' 1080'
1070' 1070'
1060'
1060'
1050'
1050'
1040' 1040'
1020'
1020'
1010'
1010'
1000'
1000'
990' 990'
980' 980'
970'
970'
960' 960'
1220' 1220'
1210'
1210'
1200'
1200'
1190'
1190'
1180'
1180'
1170' 1170'
1160'
1160'
1150'
1150'
1140' 1140'
1120'
1120'
1110' 1110'
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'
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'
1300' 1300'
1140'
1140'
920'
920'
900'
900'
890' 890'
880'
880'
1130'
1130'
1120' 1120'
1100'
990' 990'
970'
970'
1090' 1090'
1030' 1030'
1130'
1310' 1310'
1190'
1190'
1170' 1170'
1110'
1110'
1090'
1090'
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_C_100yrResultsMaps_11x17.mxd City of San Marcos - Drainage Master Plan

APPENDIX C
Existing Deficient Systems, 100 Year Results - Sheet 249 Major River / Stream
Sub-Catchments
Existing Inventory
Channel Confluence
Cleanout
Curb Inlet
Curb Outlet
Detention Basin
Inlet
Outlet
Other
Separator
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
50-YR Flood Inundation
10-YR Flood Inundation
100-YR Flood Inundation
Storm Detention Basin
Surcharging Junctions
Surcharging Conduits
Only Upstream Surcharging
Only Downstream
Surcharging
Both Upstream and
Downstream Surcharging
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 255
SEE SHEET 243
SEE SHEET 248SEE SHEET 250

PPRRIIVVAATTEE
RRDD
1420'
1420'
1430'
1430'
1440'
1440'
1380'
1380'
1390' 1390'
1400' 1400'
1410' 1410'
1360' 1360'
1370'
1370'
1350'
1350'
1300' 1300'
1310'
1310'
1320'
1320'
1270'
1270'
1280'
1280'
1290' 1290'
1260' 1260'
1220'
1240' 1240'
1250' 1250'
1170'
1180' 1180'
1190' 1190'
1200' 1200'
1210'
1210'
1220'
1100'
1100'
1110'
1110'
1120' 1120'
1130' 1130'
1140'
1140'
1150'
1150'
1170'
1060'
1060'
1070'
1080'
1080'
1090' 1090'
1490' 1490'
1480' 1480'
1470' 1470'
1460' 1460'
1450' 1450'
1340'
1340'
1530'
1520'
1520'
1510' 1510'
1490' 1490'
1480' 1480'
1470'
1460'
1460'
1450' 1450'
1440' 1440'
1430'
1430'
1420'
1420'
1410'
1410'
1400'
1400'
1390'
1390'
1380'
1380'
1370' 1370'
1360'
1360'
1350'
1340'
1330'
1310'
1300'
1300'
1290'
1290'
1280' 1280'
1270'
1260'
1250'
1240'
1230'
1220'
1210'
1200'
1190'
1300' 1300'
1290'
1280'
1270'
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'
1100'
1100'
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'
1380' 1380'
1240' 1240'
1230'
1230'
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'
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'
1290' 1290'
1280'
1280'
1290' 1290'
1280'
1280'
1250'
1250'
1240'
1240'
1250'
1250'
1230'
1230'
1180'
1170'
1180'
1180'
1170' 1170'
1160'
1160'
1150'
1150'
1040' 1040'
1030' 1030'
1020' 1020'
1010'
1010'
1330'
1330'
1160' 1160'
1050'
1050'
1320'
1110' 1110'
1080'
1080'
1160'
1160'
1220' 1220'
1500' 1500'
1390'
1270' 1270'
1260' 1260'
1250' 1250'
1500'
1330'
1330'
1320' 1320'
1290'
1290' 1290'
1280'
1290'
1290'
1280'
1280'
1250'
1250'
1240'
1230' 1230'
1390'
1390'
1380'
1380'
1370'
1370'
1360'
1360'
1350' 1350'
1330'
1330'
1310'
1310'
1300' 1300'
1300' 1300'
1270' 1270'
1270' 1270'
1250' 1250'
1220'
1220'
1280' 1280'
S.D. COUNTY S.D. COUNTY
W:\17729_SanMarcosDMP\GIS\DeliverableMaps\SMDMP_C_100yrResultsMaps_11x17.mxd City of San Marcos - Drainage Master Plan

APPENDIX C
Existing Deficient Systems, 100 Year Results - Sheet 250 Major River / Stream
Sub-Catchments
Existing Inventory
Channel Confluence
Cleanout
Curb Inlet
Curb Outlet
Detention Basin
Inlet
Outlet
Other
Separator
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
50-YR Flood Inundation
10-YR Flood Inundation
100-YR Flood Inundation
Storm Detention Basin
Surcharging Junctions
Surcharging Conduits
Only Upstream Surcharging
Only Downstream
Surcharging
Both Upstream and
Downstream Surcharging
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 256
SEE SHEET 244
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_C_100yrResultsMaps_11x17.mxd City of San Marcos - Drainage Master Plan

APPENDIX C
Existing Deficient Systems, 100 Year Results - Sheet 251 Major River / Stream
Sub-Catchments
Existing Inventory
Channel Confluence
Cleanout
Curb Inlet
Curb Outlet
Detention Basin
Inlet
Outlet
Other
Separator
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
50-YR Flood Inundation
10-YR Flood Inundation
100-YR Flood Inundation
Storm Detention Basin
Surcharging Junctions
Surcharging Conduits
Only Upstream Surcharging
Only Downstream
Surcharging
Both Upstream and
Downstream Surcharging
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
RR
DD

PRIVATE RD PRIVATE RD

CCAALLLLEE DDEECCRRIISSTTOO

TWIN OAKS CREST DR TWIN OAKS CREST DR

PPRRIIVVAATTEERRDD

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_C_100yrResultsMaps_11x17.mxd City of San Marcos - Drainage Master Plan

APPENDIX C
Existing Deficient Systems, 100 Year Results - Sheet 252 Major River / Stream
Sub-Catchments
Existing Inventory
Channel Confluence
Cleanout
Curb Inlet
Curb Outlet
Detention Basin
Inlet
Outlet
Other
Separator
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
50-YR Flood Inundation
10-YR Flood Inundation
100-YR Flood Inundation
Storm Detention Basin
Surcharging Junctions
Surcharging Conduits
Only Upstream Surcharging
Only Downstream
Surcharging
Both Upstream and
Downstream Surcharging
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
1380' 1380'
1370' 1370'
1360' 1360'
1350'
1340'
1330'
1320'
1320'
1300'
1300'
1310'
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'
1110' 1110'
1100' 1100'
1090' 1090'
1080' 1080'
1070' 1070'
1060'
1060'
1050'
1050'
1040' 1040'
1030'
1030'
1020'
1020'
1010' 1010'
1000' 1000'
1480'
1470'
1460' 1460'
1440'
1430'
1420'
1410'
1400'
1390'
1380'
1370'
1360'
1350'
1340'
1330'
1320'
1310' 1310'
1300' 1300'
1290'
1280'
1270'
1270'
1260'
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'
1390' 1390'
1120'
1120'
990' 990'
1250'
1250'
1240'
1240'
1410'
1410'
1310' 1310'
1350'
1350'
990' 990'
1350'
1350'
1330'
1330'
1370'
1320'
1320'
970'
1360'
1360'
1330' 1330'
1310'
1310'
1260' 1260'
1260' 1260'
1240' 1240'
1230' 1230'
1120' 1120'
1070'
1070'
1030' 1030'
1030'
1030'
990' 990'
S.D. COUNTY S.D. COUNTY
W:\17729_SanMarcosDMP\GIS\DeliverableMaps\SMDMP_C_100yrResultsMaps_11x17.mxd City of San Marcos - Drainage Master Plan

APPENDIX C
Existing Deficient Systems, 100 Year Results - Sheet 253 Major River / Stream
Sub-Catchments
Existing Inventory
Channel Confluence
Cleanout
Curb Inlet
Curb Outlet
Detention Basin
Inlet
Outlet
Other
Separator
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
50-YR Flood Inundation
10-YR Flood Inundation
100-YR Flood Inundation
Storm Detention Basin
Surcharging Junctions
Surcharging Conduits
Only Upstream Surcharging
Only Downstream
Surcharging
Both Upstream and
Downstream Surcharging
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 257
SEE SHEET 247
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_C_100yrResultsMaps_11x17.mxd City of San Marcos - Drainage Master Plan

APPENDIX C
Existing Deficient Systems, 100 Year Results - Sheet 254 Major River / Stream
Sub-Catchments
Existing Inventory
Channel Confluence
Cleanout
Curb Inlet
Curb Outlet
Detention Basin
Inlet
Outlet
Other
Separator
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
50-YR Flood Inundation
10-YR Flood Inundation
100-YR Flood Inundation
Storm Detention Basin
Surcharging Junctions
Surcharging Conduits
Only Upstream Surcharging
Only Downstream
Surcharging
Both Upstream and
Downstream Surcharging
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 258
SEE SHEET 248
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'
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'
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'
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_C_100yrResultsMaps_11x17.mxd City of San Marcos - Drainage Master Plan

APPENDIX C
Existing Deficient Systems, 100 Year Results - Sheet 255 Major River / Stream
Sub-Catchments
Existing Inventory
Channel Confluence
Cleanout
Curb Inlet
Curb Outlet
Detention Basin
Inlet
Outlet
Other
Separator
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
50-YR Flood Inundation
10-YR Flood Inundation
100-YR Flood Inundation
Storm Detention Basin
Surcharging Junctions
Surcharging Conduits
Only Upstream Surcharging
Only Downstream
Surcharging
Both Upstream and
Downstream Surcharging
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'
1200' 1200'
1130' 1130'
1060'
1050' 1050'
1040' 1040'
1030' 1030'
1020'
1020'
900'
900'
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'
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'
1370'
1370'
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_C_100yrResultsMaps_11x17.mxd City of San Marcos - Drainage Master Plan

APPENDIX C
Existing Deficient Systems, 100 Year Results - Sheet 256 Major River / Stream
Sub-Catchments
Existing Inventory
Channel Confluence
Cleanout
Curb Inlet
Curb Outlet
Detention Basin
Inlet
Outlet
Other
Separator
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
50-YR Flood Inundation
10-YR Flood Inundation
100-YR Flood Inundation
Storm Detention Basin
Surcharging Junctions
Surcharging Conduits
Only Upstream Surcharging
Only Downstream
Surcharging
Both Upstream and
Downstream Surcharging
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_C_100yrResultsMaps_11x17.mxd City of San Marcos - Drainage Master Plan

APPENDIX C
Existing Deficient Systems, 100 Year Results - Sheet 257 Major River / Stream
Sub-Catchments
Existing Inventory
Channel Confluence
Cleanout
Curb Inlet
Curb Outlet
Detention Basin
Inlet
Outlet
Other
Separator
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
50-YR Flood Inundation
10-YR Flood Inundation
100-YR Flood Inundation
Storm Detention Basin
Surcharging Junctions
Surcharging Conduits
Only Upstream Surcharging
Only Downstream
Surcharging
Both Upstream and
Downstream Surcharging
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

CCAA MM

MMAAYYOORR
S.D. COUNTY S.D. COUNTY
W:\17729_SanMarcosDMP\GIS\DeliverableMaps\SMDMP_C_100yrResultsMaps_11x17.mxd City of San Marcos - Drainage Master Plan

APPENDIX C
Existing Deficient Systems, 100 Year Results - Sheet 258 Major River / Stream
Sub-Catchments
Existing Inventory
Channel Confluence
Cleanout
Curb Inlet
Curb Outlet
Detention Basin
Inlet
Outlet
Other
Separator
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
50-YR Flood Inundation
10-YR Flood Inundation
100-YR Flood Inundation
Storm Detention Basin
Surcharging Junctions
Surcharging Conduits
Only Upstream Surcharging
Only Downstream
Surcharging
Both Upstream and
Downstream Surcharging
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 D
Recommendation Improvements Maps
78 15
5 78
15 1 2 3 4
5 6 7 8 9 10 11
12 13 14 15 16 17 18 19
20 21 22 23 24 25 26 27 28
29 30 31 32 33 34 35 36 37
38 39 40 41 42 43 44 45 46 47
48 49 50 51 52 53 54 55 56 57 58
59 60 61 62 63 64 65 66 67 68 69 70
71 72 73 74 75 76 77 78 79 80 81 82 83
84 85 86 87 88 89 90 91 92 93 94 95 96
97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152
153 154 155 156 157 158 159 160 161 162 163 164 165
166 167 168 169 170 171 172 173 174 175 176 177 178
179 180 181 182 183 184 185 186 187 188 189 190
191 192 193 194 195 196 197 198 199 200
201 202 203 204 205 206 207 208 209
210 211 212 213 214 215 216 217
218 219 220 221 222 223 224
225 226 227 228 229 230 231
232 233 234 235 236 237 238
239 240 241 242 243 244
245 246 247 248 249 250
251 252 253 254 255 256
257 258
W:\17729_SanMarcosDMP\GIS\DeliverableMaps\SMDMP_D_RecFac_Index_11x17.mxd City of San Marcos - Drainage Master Plan

APPENDIX D
Recommended Improvements - 11x17 Index
Legend
Sheet Index
Major River / Stream
Recommended Storm Drain
Existing Storm Drain
Sub-Catchements
April, 2019
Source: City of San Marcos, Rick Engineering Company,
SANGIS/USGS Aerial Imagery: 11/2014
0 6,000 12,000
Scale in Feet
North

DENNING DR DENNING DR
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'
700'
700'
690'
690'
680'
680'
670'
670'
660'
660'
650' 650'
640'
640'
630' 630'
620' 620'
610' 610'
1020' 1020'
1000'
1000'
990' 990'
980' 980'
970'
970'
960'
960'
950' 950'
940' 940'
930'
930'
920' 920'
910'
910'
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'
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'
620'
600'
590'
1020' 1020'
1010' 1010'
600' 600'
590' 590'
580'
570' 570'
900' 900'
800' 800'
830'
830'

CARLSBAD CARLSBAD
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 1
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 6
SEE SHEET 2

HIDDEN CANYON RD HIDDEN CANYON RD

HH IIDD
DDEENN

CCAANNYYOONN
RRDD

DD EE NNNN IINNGG
DD
RR
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'
710' 710'
700' 700'
690' 690'
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'
520'
520'
510'
510'
500'
500'
490'
490'
890'
880'
870'
860'
850'
840'
830'
820'
820'
810'
800'
790'
780' 780'
770'
760'
750'
750'
740'
730'
720'
710'
710'
700'
690' 690'
680'
670'
660'
650' 650'
640'
630'
620'
610'
600' 600'
910' 910'
900' 900'
590'
580'
570'
560'
560'
550'
540'
810'
530'
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'
660' 660'
650' 650'
640'
630' 630'
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'
530' 530'
540' 540'
510' 510'
520' 520'
490' 490'
500' 500'
970' 970'
950' 950'
940' 940'
670' 670'
660'
580'
580'
570'
570'
560'
560'
930'
930'
920' 920'
550' 550'
540'
540'
1000'
1000'
990'
980'
980'
970'
900'
900'
480' 480'
520'
680' 680'
620' 620'
960'
960'
930'
930'
930' 930'
830' 830'
660'
650'
650'
640' 640'
630' 630'
490' 490'
480' 480'
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 2
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 7
SEE SHEET 1SEE SHEET 3

HHIDIDDDEENN CCAANNYYOONN RRDD

PRIVATE RD

PPRRIVIVAATTEE RRDD
INLT10505 OTHR10294 INLT10506 CULV10246
PIPE13923
CULV10245
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'
640' 640'
630' 630'
620' 620'
610' 610'
600' 600'
590' 590'
500' 500'
510' 510'
490' 490'
550' 550' 540' 540' 580' 580' 570' 570'
780' 780'
760' 760'
750' 750'
740' 740'
730' 730'
720' 720'
710' 710'
700' 700'
690' 690'
680' 680'
670' 670'
640' 640'
650' 650'
620' 620'
630' 630'
600' 600'
610' 610'
580' 580'
590' 590'
570' 570'
560' 560'
550' 550'
690' 690'
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' 520' 520' 510' 510' 500' 500'
590' 590' 580' 580' 570' 570' 560' 560' 550' 550'
520' 520' 510' 510'
490' 490'
540' 540' 530' 530'
540' 540'
530' 530'
520' 520'
510' 510'
500' 500'
800' 800' 790' 790' 780' 780' 770'
810' 810' 800' 800'
530' 530' 520' 520'
520' 520'
510'
510' 510'
500' 500'
710' 710'
700' 700'
520' 520'
510' 510'
520' 520'
510' 510'
510' 510'
500' 500'
490' 490'
480' 480'
790' 790'
650' 650'
530' 530'
770' 770'
660' 660'
540' 540'
530' 530'
500' 500'
790' 790'
760' 760'
760' 760'
750' 750'
750' 750'
560' 560'
490' 490'
480' 480'
770'
770'
760'
760'
500' 500'
OTLT10355
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 3
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 8
SEE SHEET 2SEE SHEET 4
E

PRIVATE RD

ELLFFIINN

FFOORREESSTT
RRDD

CCAAMM CC EIEI LLOOAAZZUULL

CCAAMM CCIIEELLOOAAZZUULL

RRAANNCCHHOO SSUUMMMMITITDDRR
770'
770'
760'
760'
740'
740'
730'
730'
720' 720'
710'
710'
700' 700'
680'
680'
660'
660'
650' 650'
640'
640'
630' 630'
760'
760'
750' 750'
730' 730'
720'
720'
710'
710'
700'
690'
680' 680'
720' 720'
710' 710'700' 700'
690' 690'
670' 670'
650'
650'
640'
800' 800'
790' 790'
780' 780'
770'
770'
760'
760'
750' 750'
740'
740'
730'
730'
800'
800'
790'
790'
780'
770'
770'
760'
760'
750' 750'
740'
740'
730' 730'
770' 770'
760'
750'
750'
740' 740'
730' 730'
720' 720'
740'
740'
730'
720'
750'
710' 710'
750' 750'
730'
730'
740'
740'
730' 730'
720' 720'
670' 670'
660'
660'
650'
650'
640'
640'
790' 790'
780' 780'
770' 770'
760' 760'
760'
750'
730'
730'
720' 720'
710' 710'
780' 780'
770' 770'
740' 740'
730' 730'
620' 620' 610'
610'
600' 600'
790'
790'
780' 780'
670' 670'
660' 660'
750'
750'
690' 690'
740' 740'
710' 710'
740'
660' 660'
790'
790'
770' 770'
770'
770'
760'
750' 750'
750'
750'
750'
750' 750'
710' 710'
710'
710'
660' 660'
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 4
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 9
SEE SHEET 3

AAVVNNDDAA

SSOOLLEE DDAADD

CALLE COBRE

CCAALLLLEE HHIIEERRRROO

ESFERA ST ESFERA ST

TRAIL EASEMENT

BAJO CT

CTE PANORAMA CTE PANORAMA
FFII
RREE

SSTTAATTIIOONN
66 DDYY

RRAANNCCHHOO SSAANNTTAA FFEE RRDD

DENNING DR DENNING DR

DDEENNNNININGGDDRR

PUBLIC TRAIL PUBLIC TRAIL
730' 730' 720' 720'
710' 710' 700' 700'
690'
690'
680'
680'
670' 670'
660' 660' 650' 650' 640' 640' 630' 630'
620'
620' 610' 610'
600' 600'
590' 590' 580' 570' 530' 530' 520' 520' 550' 550' 590' 590' 580' 580'

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

APPENDIX D
Recommended Improvements - Sheet 5
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 12
SEE SHEET 6

CTE SEGURA CTE SEGURA

CCTTEE CCAASSEERRAA

AAVVNNDDAA

SSOOLLEEDDAADD

TTRRAAIILL EEAASSEEMMEENNTT

CTE VINO CTE VINO

SSIITTIIOOMMOONNTTILILLLAA

SSITITIOIO AARRAAGGOO

TRAIL EASEMENT TRAIL EASEMENT

DDEENNNNIINNGG DDRR

PASEO PLOMO

DDOOVVEE TTAAIILL DDRR

FFAALLLLSSVVIIEEWWRRDD

SSITITIOIO CCAASSTTAANNOO

BURBURY WY BURBURY WY

SHERIDAN WY SHERIDAN WY
CLEN10393
INLT10151
CBIN10515
CBIN10516
CBIN10520
INLT10152
CBIN10524
CBIN10528
CBIN10533
CLEN10394
INLT10153
CLEN10395
CBIN10537
CLEN10439
INLT10201
OTHR10116
OTHR10117
OTHR10118
OTHR10119
OTHR10125
OTHR10126
OTHR10129
CLEN10449
PIPE12577
PIPE12555
PIPE12766
PIPE12729
PIPE12718
PIPE12700
PIPE12719
PIPE12695
PIPE12737
PIPE12696
PIPE12738
PIPE12623
PIPE12732
PIPE12699
PIPE12721
PIPE12734
PIPE12733
PIPE12728
PIPE12659
PIPE12720
PIPE12736
PIPE12739
PIPE12730
PIPE12658
PIPE12740
PIPE12735
PIPE12615
820'
820'
810'
810'
800'
800'
790'
780' 780'
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'
620' 620'
610'
610'
600'
600'
580' 580'
530' 530'
520' 520'
510'
480' 480'
460' 460'
450' 450'
440' 440'
470' 470'
430'
620' 620'
610' 610'
600' 600'
590' 590'
580' 580'
570'
570'
560' 560'
550'
550'
540' 540'
580' 580'
570' 570'
560' 560'
550' 550'
540' 540'
530' 530'
520' 520'
510' 510'
640' 640'
630' 630'
620' 620'
610' 610'
630' 630'
620' 620'
600' 600'
590' 590'
560'
560'
550'
550'
540' 540'
500' 500'
490'
490'
480'
480'
840' 840'
830'
830'
640' 640'
630'
630'
590' 590'
580' 580'
550'
550'
540' 540'
590' 590'
580'
580'
550' 550'
540' 540'
550' 550'
540'
540'
770' 770'
590' 590'
570' 570'
500'
500'
490' 490'
420'
420'
630'
630'
610' 610'
580' 580'
750'
750'
690'
690'
650' 650'
620' 620'
600' 600'
490' 490'
450' 450'
620'
620'

CARLSBAD CARLSBAD
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 6
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 1
SEE SHEET 13
SEE SHEET 5SEE SHEET 7

SSAANN EELLI

IJJOORRDD

PPRRIIVVAATTEE
RRDD

SSHHAADDOOWWBBRROOOOKKWWYY

PPRRIIVVAATTEE RRDD

FALLSVIEW RD FALLSVIEW RD

DDOOVVEE TTAAIILL
DDRR

WWEEAATTHHEERRWWOOOODD
CCTT

HHIDIDDDEENN CCAANNYYOONN
RRDD

BBUURRBBUURRYY WWYY

SSHHEERRIIDDAANNWWYY

DDEENNNNIINNGGDDRR
INLT10148
INLT10149
CBIN10514
CBIN10521
CBIN10525
CBIN10528
CBIN10532
INLT10155 INLT10156 CLEN10397
CBIN10538 CBIN10539 CLEN10398 CBIN10540
CBIN10541 INLT10158
CLEN10400
CLEN10402
INLT10160 INLT10159
CBIN10542
INLT10199
INLT10200
OTHR10115
OTHR10127 OTHR10128
CLEN10453
CLEN11546
CBIN12080
CBIN12081
INLT11177
CBIN12082
CBIN12083
CLEN11548
OTLT10306
INLT11178
CLEN11549
CBIN12084
INLT11179
CLEN11550
CBIN12088
OTLT10307
OTHR11508
PIPE13398
PIPE13400
PIPE12688
PIPE12555
PIPE12678
PIPE12727
PIPE12677
PIPE12659
PIPE12726
PIPE13396
PIPE12744
PIPE12645
FLOW10027
PIPE12686
PIPE12577
PIPE12685
PIPE13403
PIPE12687
PIPE12661
PIPE12682
CULV10225
PIPE12623
PIPE12676
CULV10223
PIPE12576
PIPE12698
PIPE12725
PIPE12683
CULV10224
PIPE13395
PIPE12722
PIPE12718
PIPE12741
PIPE12612
PIPE12660
PIPE12596
PIPE12723
PIPE13401
FLOW10026
650' 650'
640' 640'
630' 630'
620' 620'
610' 610'
570' 570'
550'
550'
540' 540'
500'
500'
490' 490'
480'
480'
470' 470'
460' 460'
450' 450'
440' 440'
430' 430'
600'
600'
590'
590'
560' 560'
530' 530'
610'
610'
600' 600'
590'
590'
580' 580'
570' 570'
550' 550'
540' 540'
530' 530'
520' 520'
510' 510'
600' 600'
590' 590'
580' 580'
570' 570'
560' 560'
550' 550'
630'
630'
620' 620'
560' 560'
540' 540'
530' 530'
520' 520'
510' 510'
500'
500'
490' 490'
480' 480'
460'
460'
450'
450'
440'
440'
560'
550'
540'
540'
520'
520'
510' 510'
500' 500'
490'
490'
490'
490'
480'
480'
470'
470'
650'
650'
640' 640'
650' 650'
640'
640'
530'
520'
500' 500'
490' 490'
460'
460'
450'
590' 590'
580' 580'
520' 520'
510'
510'
560'
500' 500'
610'
610'
470'
530' 530'
560'
560'
560'
560'
520'
520'
490' 490'
660' 660'
640' 640'
610' 610'
600'
600'
530' 530'
520' 520'
520' 520'
520'
490' 490' 490' 490'
450' 450' 450' 450'
440'
610' 610'
450'
450'
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 7
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 2
SEE SHEET 14
SEE SHEET 6SEE SHEET 8

BOUNDARY ST

ELFIN FOREST RD

SAN ELIJO RD SAN ELIJO RD

DANDELION WY DANDELION WY

PPRRIIVVAATTEERRDD

CATTAIL CT

ABBEY LN

HHIDIDDDEENN CCAANNYYOONN RRDD

PPRRIIVVAATTEE RRDD

PPRRIIVVAATTEERRDD

PPRRIIVVAATTEERRDD
CLEN11549
CBIN12085
CBIN12087
INLT11180
CLEN10163
CBIN10177 CLEN10180
CLEN10184
CBIN10191
CBIN10192 CBIN10193
CBIN10205
OTHR10040
OTHR10057
OTHR10058
CBIN11220
CBIN11221
INLT10495
OTHR10298
CLEN10992
CLEN10993
INLT10618
INLT11044
CBIN12086
OTHR11040
OTHR11371
OTHR11372
OTHR11373
PIPE13404
PIPE14154
PIPE13407
PIPE13716
CHAN10491
PIPE14172
DTCH10434
PIPE13680
DTCH10437
PIPE13920
PIPE13706
CULV10248
PIPE13827
PIPE13405
CHAN10488
CHAN10485 CHAN10486
CHAN10484
CHAN10487
DTCH10432 DTCH10431
DTCH10430
DTCH10436
DTCH10433
DTCH10438
PIPE13402
CHAN10492
CHAN10480
PIPE13927
CHAN10604
CHAN10603
FLOW10050
PIPE13833
PIPE13717
PIPE13690
CHAN10605
PIPE13928
CHAN10489 CHAN10490
FLOW10049
PIPE13715
CHAN10482
CHAN10481
DTCH10435
PIPE13921
CHAN10483
CULV10245
770' 770'
710' 710'
700' 700'
690'
690'
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'
760' 760'
750' 750'
740' 740'
730' 730'
720'
720'
670' 670'
650' 650'
640'
640'
630'
630'
620'
620'
610' 610'
600'
600'
590' 590'
560' 560'
550'
550'
700'
700'
690' 690'
680' 680'
660' 660'
610'
610'
600'
600'
590'
590'
580' 580'
570' 570'
560'
560'
550' 550'
540' 540'
530'
530'
670'
660' 660'
650'
640'
640'
630'
630'
640' 640'
630'
630'
620' 620'
610'
610'
670' 670'
660' 660'
650' 650'
640' 640'
620' 620'
610'
610'
610' 610'
600'
600'
590'
590'
540'
530'
720' 720'
710' 710'
720'
720'
710' 710'
650' 650'
640' 640'
600'
600'
590' 590'
580'
580'
540'
530'
540'
540'
530' 530'
520' 520'
530'
530'
520' 520'
540' 540'
530' 530'
630' 630'
620'
620'
610'
610'
600' 600'
540' 540'
530'
530'
530'
530'
520' 520'
530'
530'
520' 520'
520'
510' 510'
530'
530'
570'
570'
540' 540'
700'
700'
570' 570'
610' 610'
540'
540'
720' 720'
710'
710'
710'
710'
650' 650'
580'
570' 570'
540'
540'
540'
540'
540'
540'
530'
530'
540'
540'
520'
520'
510'
510'
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 8
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 3
SEE SHEET 15
SEE SHEET 7SEE SHEET 9

PPRRIIVVAATTEE RRDD

KENWOOD PL

EELLFFIINN

FFOORREESSTT
RRDD

RR AANN CCHHOO SSUUMMMMIITT DDRR

TTRREENNTTOONNWWYY
CLEN10221
PIPE13887
CBIN10231
PIPE13886
900' 900'
890' 890'
880'
870'
860'
850'
840'
830'
820'
810'
800'
790'
780'
770'
770'
760'
760'
750'
750'
730' 730'
720' 720'
710'
710'
700'
680' 680'
670'
670'
660'
660'
860' 860'
850' 850'
840' 840'
830' 830'
820'
820'
810' 810'
800' 800'
790'
790'
780'
770'
760'
750'
740'
770'
770'
760'
760'
750'
750'
740' 740'
730'
730'
720'
720'
710'
710'
700'
700'
690' 690'
790' 790'
780'
780'
770' 770'
760'
760'
750'
750'
740'
740'
740' 740'
730' 730'
720' 720'
710'
710'
700'
700'
690' 690'
720' 720'
710' 710'
700'
890' 890'
880' 880'
870' 870'
860'
860'
840' 840'
850' 850'
860' 860'
730'
730'
720'
720'
710'
710'
710' 710'
700' 700'
690' 690'
690' 690'
680'
670' 670'
660'
660'
650'
650'
780' 780'
770' 770'
760' 760'
730'
720'
720' 720'
710'
780' 780'
770' 770'
760' 760'
750' 750'
720'
710'
720' 720'
710' 710'
710'
710'
700'
700'
650' 650'
640' 640'
630' 630'
720'
710' 710'
690' 690'
680' 680'
640'
640'
630'
930'
930'
910' 910'
740'
740'
730'
720' 720'
680'
680'
800' 800'
760'
760'
740' 740'
870' 870'
870'
870'
770' 770'
760' 760'
750'
710'
710'
710' 710'
700' 700'
680' 680'
680'
680'
660'
660'
660'
630'
630'
880' 880'

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 9
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 4
SEE SHEET 16
SEE SHEET 8
SEE SHEET 10

QQUUEESSTTHHAAVVEENN RRDD

OLD GLEN ST

OLD GLEN ST

TTUULLAARROOSSAALLNN

TARA WY TARA WY
LLI

IQQUUIIDD AAMMBBEERR WWYY

AVALON WY AVALON WY

TTHHOORRLLEEYY WYY
CBIN10043 CBIN10045
CLEN10051
CBIN10080
CLEN10498 CLEN10499
CBIN10639
CLEN10500
CLEN10501
CBIN10640
CBIN10642 CLEN10502
OTLT10039
OTLT10040
CLEN10505
INLT10241
CLEN10506
CBIN10651
CBIN10652
CBIN10653
SEPR10020
DETB10003
SEPR10063
OTHR11506
PIPE13909
PIPE13904
PIPE14178
PIPE13895
PIPE13667
PIPE13892
PIPE13898
PIPE13900
PIPE13648
PIPE13905
CHAN10537
PIPE14181
PIPE13899
PIPE13912
PIPE13906
PIPE13649
PIPE13913 PIPE13896
PIPE14159
PIPE13916
PIPE13897
PIPE13908
PIPE13902
960'
960'
940'
940'
930' 930'
920' 920'
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'
950'
940'
930'
920'
910'
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'
950' 950'
940'
940'
930' 930'
920'
920'
910'
910'
900' 900'
890' 890'
880'
880'
870'
870'
860' 860'
850'
850'
840' 840'
940' 940'
920' 920'
910' 910'
900'
900'
890' 890'
870'
870'
860'
860'
840'
850' 850'
830'
830'
950'
950'
930'
930'
920'
920'
910' 910'
900' 900'
890' 890'
880'
880'
800'
800'
790'
790'
780'
780'
770' 770'
760' 760'
750' 750'
930' 930'
910' 910'
940' 940'
930' 930'
920'
920'
910' 910'
890'
890'
880' 880'
780'
780'
770'
770'
750' 750'
740'
740'
730' 730'
900' 900'
890'
760'
760'
750'
950'
950'
960'
960'
830' 830'
880'
880' 900'
900'
920'
900'
900' 900'
900'
850' 850'
890' 890'
880'
880'
880' 880'
860'
860'
780' 780'
890' 890'
890'
890'
OTLT10354

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 10
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 17
SEE SHEET 9
SEE SHEET 11

PPRRIIVVAATTEE RRDD

PPRRIIVVAATTEE RRDD

QQUUEESSTTHHAAVVEE NN
RRDD

PPRRIIVVAATTEE RRDD

PPRRIIVVAATTEE RR
DD
PIPE13894 PIPE13904
CHAN10537
990' 990'
980' 980'
970' 970'
960' 960'
950'
950'
940' 940'
930' 930'
920'
920'
910'
910'
900' 900'
890'
880'
870'
870'
860'
860'
850'
850'
840'
830'
820'
810'
810'
800' 800'
790' 790'
780' 780'
770' 770'
760' 760'
750' 750'
1060'
1060'
1050' 1050'
1040' 1040'
1030' 1030'
1020' 1020'
1010' 1010'
940'
940'
930' 930'
920' 920'
910' 910'
900' 900'
890' 890'
880'
880'
870'
870'
860'
850'
850'
910' 910'
900'
900'
890'
890'
880'
880'
870'
870'
860' 860'
850' 850'
840'
840'
840' 840'
830'
830'
820'
820'
810' 810'
780'
780'
770'
770'
760' 760'
750'
750'
700'
700'
690' 690'
680' 680'
790'
790'
780' 780'
1100'
1100'
1090' 1090'
1000'
740' 740'
730' 730'
720'
720'
710'
1080'
1070'
1070'
850'
850'
850'
850'
800' 800'
900' 900'
880' 880'
830' 830'
770'
770'

SAN SAN

MARCOS 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 11
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 18
SEE SHEET 10

PASEO PLOMO AVNDA SERENA

RRAANNCCHHOO SSAANNTTAA FFEE RRDD CCAALLLLEE PPLLAATTAA

AVNDA SOLEDAD

CCTTEE PPAANNOORRAAMMAA

CCTTEEFFOORRTTUUNNAA

SSIITTIIOO CCAALLIIEENNTTEE

SITIO BAHIA SITIO BAHIA

SAN ELIJO RD SAN ELIJO RD
CCTTEE

PPAANNOORRAAMMAA

RRAA NNCCHHOO SSAA NNTTAA FFEE RRDD

SSIITTIIOO FF RROONNTTEERRAA

SSITITIOIOCCOORRAAZZOONN

CCTTEE AALLTTUURRAA

SSIITTIIOO CCOOLLIINNAA

SSITITIOIO DDEESSTTININOO
San
Marcos
Creek
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' 520' 520' 510' 510' 500' 500' 490' 490' 480' 480' 470' 470' 460' 460' 450' 450' 440' 440' 430' 430' 420'
420'
410'
410' 400' 400' 390' 390'
380'
380'
370'
370' 360' 360'
540' 540'
520' 520'
530' 530'
490' 490' 500' 500'
510' 510'
460' 460' 470' 470' 480' 480'
430' 430' 440' 440' 450' 450'
410' 410' 420' 420'
380' 380' 390' 390' 400' 400'
360' 360' 370' 370'
330' 330' 340' 340' 350' 350'
310' 310' 320' 320' 300' 300'
530' 530'
510' 510'
500' 500'
490' 490'
480' 480'
470' 470'
460' 460'
460' 460' 450' 450' 440' 440' 430' 430'
360' 360' 350' 350'
500' 500' 490' 490'
440'
430' 430'
420' 420'
410'
340' 340'
330' 330'
320' 320'
310' 310'
300' 300'
450' 450'
320' 320'
630' 630'
470' 470'
480' 480'
460' 460'
430'
430' 430'
500'
500' 420' 420'

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

APPENDIX D
Recommended Improvements - Sheet 12
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 5
SEE SHEET 20
SEE SHEET 13

LLOONNGGSSTTAAFFFF CCTT

PRIVATE RD PRIVATE RD

AVNDA SERENA

SSHHAADD EETTRREEEE
DD
RR

SSAANN EELLIIJJOORRDD

WWEEAATTHHEERRWWOOOODD CCTT

PRIVATE RD PRIVATE RD

PASEO PLOMO

INDUS WY INDUS WY

LYNX WY LYNX WY

CCOORRBBEELL
WWYY

AAMMBBEERRHHIILLLL TTRR

COSMO WY COSMO WY

AVNDA PLATINO

BBLLUUEE OOAAKK PPLL

PRIVATE RD PRIVATE RD

NNOORRTTHHSSTTAARR
WWYY

NORTHSTAR WY NORTHSTAR WY

PRIVATE RD PRIVATE RD

RRAANNCCHHOO SSAANNTTAA FFEE RRDD
DD
OO

VVEE TTAAIILL DD
RR

FALLSVIEW RD

MMEELLRROOSSEE DDRR

SSTTAA RR

CCRREESSTT
PPLL

PASEO PLOMO PASEO PLOMO
CLEN10404
CBIN10543
CBIN10546
CBIN10548 CBIN10549
CBIN10553
INLT10162
INLT10163
CBIN10556
CBIN10560
CBIN10562
CBIN10564
CLEN10409
CLEN10410 CLEN10411
CLEN10412
CLEN10413 INLT10166
CBIN10566 CLEN10414
CBIN10567
CBIN10568 CBIN10569 CBIN10570
CLEN10419 CLEN10418 CBIN10572
CLEN10420
CBIN10573
CBIN10576 CBIN10574 CBIN10575
CBIN10577
CLEN10421 CBIN10578
CLEN10422 CLEN10423
OTLT10027
CBIN10599
OTHR10111
CLEN10440 OTHR10120
CLEN10450
INLT10210
OTLT10032
OTLT10033
OTLT10034
OTHR10135
CLEN10465
CLEN10466
CLEN10468
INLT11056
CLEN11395 CLEN11396
CLEN11397
CLEN11398
CLEN11399
INLT11057
INLT11058
CLEN11402
INLT11062
INLT11063
CLEN11405 CLEN11404
INLT11065
SEPR10039
OTLT10331
INLT11280
OTLT10378
OTHR11347
OTHR11649
San Marcos Creek
PIPE13303
PIPE13310
PIPE12656
PIPE12657
PIPE12592
PIPE12590
PIPE12665
PIPE12585
PIPE13309
PIPE12582
PIPE13305
PIPE12570
PIPE12783
PIPE12580
PIPE13315 PIPE12756
FLOW10025
PIPE12666
PIPE12768
PIPE12529
PIPE12648
PIPE12743
PIPE13593
PIPE12490
PIPE13308
PIPE12621
PIPE12591
CULV10181
PIPE13307
PIPE12615
PIPE12609
FLOW10035
PIPE12765
PIPE12583
PIPE12650
PIPE12619
PIPE12574
PIPE13306
PIPE12668
PIPE12613
PIPE12655
CULV10182
PIPE12567
PIPE12785
PIPE13311
PIPE12610
PIPE13299
PIPE12492
PIPE12581
PIPE12784
PIPE12595
PIPE13560
PIPE12667
PIPE13453
PIPE12584
PIPE13314
PIPE13452
PIPE12611
PIPE13313
PIPE13304
PIPE12586
PIPE12571
PIPE13432
FLOW10024
PIPE13316
PIPE12649
PIPE12646 PIPE12647
PIPE12620
PIPE12669
PIPE12575
PIPE12630
PIPE12608
PIPE12569
PIPE12572
570' 570'
540' 540'
530'
530'
520' 520'
510' 510'
500' 500'
480'
480'
460' 460'
450' 450'
440' 440'
430' 430'
420' 420'
410' 410'
400' 400'
390' 390'
380' 380'
370' 370'
360' 360'
350' 350'
490'
490'
470'
470'
430'
430'
440'
440'
450'
450'
460' 460'
470' 470'
480' 480'
490' 490'
500' 500'
390'
390'
400'
400'
410'
410'
420' 420'
440' 440'
430'
430'
420' 420'
510' 510'
500' 500'
450' 450'
440' 440'
410' 410'
400' 400'
430' 430'
420' 420'
560'
560'
550'
550'
340' 340'
410' 410'
420'
420'
430' 430'
390' 390'
390'
390'
580' 580'
470'
470'
420'
420'
420' 420'
410'
410'
400' 400'
390' 390'
390' 390'
390' 390'
390' 390'
390'
390'
360'
360'
500' 500'
430'
430'
420' 420'
400'
400'
390' 390'
390' 390'
380'
380'
CINT10002
OTHR11735
OTHR11736
OTHR11737

CARLSBAD CARLSBAD

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 13
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 6
SEE SHEET 21
SEE SHEET 12SEE SHEET 14

SSHHAADDEETTRREEEE DDRR

CCOOPPPPEERR CCTT

ARCHER RD ARCHER RD

CRESCENT PL CRESCENT PL

STAR CREST PL

BBOOXXWWOOOODD CCTT

SSAAGGEEWWOOOODDWWYY

BBEEEECCHHTTRREEEERRDD

OLIVE GROVE LN OLIVE GROVE LN

RRIIVVEERR CCRREESSTT RRDD

BBLLAACCKK WWAALLNNUUTT
DDRR

GGOOLLDDEENNSSUUNNSSEETTDDRR

WWEEAATTHHEERRWWOOOODD CCTT

BBRROOOOKKSSIIDDEE CCTT

EEDDEENN CCTT

EELLFFIINN FFOORREESSTT RRDD

SSUUNNDDAANNCCEE AAVV

SAN ELIJO RD
INLT10040
CLEN10091
CLEN10092
CLEN10093
CLEN10105
CLEN10106
CBIN10102
CLEN10109
CBIN10107
CLEN10117
CLEN10119
CLEN10124
CBIN10132
CLEN10148
CLEN10149
CBIN10154
CBIN10542
CLEN10405
CBIN10545
CBIN10547
CBIN10550
INLT10161 CBIN10551
CLEN10407
CBIN10555
CLEN10408
INLT10164
CBIN10561
CBIN10563
INLT10165
CLEN10414
CLEN10415
INLT10167
OTHR10114
PIPE12626
PIPE12576
PIPE12491
PIPE12617
PIPE12387
PIPE12616
PIPE12614
PIPE12356
PIPE12618
PIPE12414
PIPE12490
PIPE12625
PIPE12624
PIPE12359
PIPE12413
PIPE12374
PIPE12380
PIPE12375
PIPE12442
PIPE12597
PIPE12575
PIPE12355
PIPE12628
PIPE12357
PIPE12673
PIPE12674
PIPE12352
PIPE12358
PIPE12353
PIPE12612
PIPE12381
PIPE12675
PIPE12369
PIPE12598
PIPE12627
PIPE12629
620'
610'
610'
600' 600'
590' 590'
580'
580'
570'
570'
560' 560'
550' 550'
540' 540'
530' 530'
520'
520'
510' 510'
500'
500'
490'
480'
480'
450'
450'
440'
430'
420'
590'
600' 600'
570'
580' 580'
590'
560'
570'
550' 550'
560'
520' 520'
530'
530'
540' 540'
490'
490'
500'
500'
510' 510'
480' 480'
470'
470'
460' 460'
450' 450'
440' 440'
560'
530' 530'
520' 520'
510'
500'
500'
490'
490'
480'
480'
670' 670'
660'
660'
650'
650'
640'
640'
630'
630'
620'
620'
660'
650'
640'
630'
620'
610'
620'
620'
610'
610'
630' 630'
620' 620'
460'
460'
450'
450'
440'
440'
430'
430'
430'
420'
610'
610'
600'
600'
550' 550'
540' 540'
470'
470'
460' 460'
450'
430'
470'
460'
430'
420'
470'
460'
540' 540'
640'
640'
600'
600'
460' 460'
440' 440'
660' 660'
620'
620'
610' 610'
580'
580'
560' 560'
560'
560'
550' 550'
460' 460'
430'
430'
410' 410'

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 14
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 7
SEE SHEET 22
SEE SHEET 13SEE SHEET 15

MORGANS AV MORGANS AV

COOKE ST

RED OAK CT

RED OAK CT

BBOOUUNNDDAARRYY SSTT

ELFIN FOREST RD

SSCCHHOO OOLLHHOOUUSSEE WWYY

GGOODDDDAARRDD SSTT

AARRCCHHEERR RRDD

SAN ELIJO RD SAN ELIJO RD

BEECHTREE RD

GGOOLLDDEENN SSUUNNSSEETT DDRR

AVERY RD AVERY RD

ELFIN FOREST RD

SAN ELIJO RD SAN ELIJO RD

MMAARRKKEETTSSTT

SAN ELIJO RD SAN ELIJO RD

SSUUNNDDAANNCCEE AAVV

SSCCHHOOOOLLHHOOUUSSEEWWYY

CCOORRAALL WWYY

EELLFFIINN FFOORREESSTTRRDD
CBIN10099
CBIN10106
CBIN10108
CLEN10145
CLEN10147
CBIN10156
CLEN10158
CLEN10159
CLEN10161
CLEN10162
CBIN10173
CBIN10175
CBIN10176
CBIN10178
CBIN10180
CBIN10181
CBIN10186
INLT10060
CBIN10187
CLEN10164
CLEN10165
CLEN10166
CLEN10168
CLEN10169
CLEN10170
CLEN10172
CLEN10174
INLT10063
CLEN10176
CLEN10178
CBIN10188
CBIN10189
CLEN10181
OTLT10011
CLEN10183
OTLT10012
CLEN10184
CBIN10191
CLEN10185
CBIN10197
OTLT10013
CBIN10198
CBIN10199
CBIN10204
CLEN10193
OTHR10037
CLEN10196
CLEN10199
CBIN10213
CLEN10202
INLT10075
CLEN10203
CLEN10204
INLT10079
OTHR10044
OTHR10045
CLEN10206
CBIN10221
CLEN10207
CLEN10208
OTHR10052
OTHR10053
OTHR10054
OTHR10055
OTHR10059
CLEN10214
CBIN10225
CLEN10217
CLEN10218
CLEN10219
CLEN10887
CBIN11207
SEPR10026
INLT10611
CLEN10992
CBIN11910
OTHR10747
OTHR10748
CLEN11377
CBIN11919
OTHR10757
CBIN11921
OTHR10758
INLT11044
INLT11045
CBIN11923
CBIN11924
CBIN11926
CLEN11381
CBIN11928
CLEN11392
INLT11050
CBIN11940
CBIN11941
OTHR11257
OTHR11260
OTHR11268
OTHR11373
OTHR11375
OTHR11377
OTHR11378
PIPE14174
PIPE13858
PIPE14175
PIPE13860
PIPE13712
PIPE13878
PIPE14119
PIPE13686
PIPE13818
PIPE14116
PIPE13811
PIPE13696
PIPE13809
PIPE13816
PIPE13814
PIPE13684
CHAN10479
PIPE13813
CHAN10500
PIPE13788
PIPE14130
PIPE14164
PIPE14122
PIPE13636
PIPE14126
PIPE13868
PIPE13711
PIPE13807
PIPE13880
PIPE13685
PIPE14176
PIPE13918
CULV10247
PIPE13701
PIPE13867
PIPE13719
PIPE13702
PIPE13689
PIPE13688
PIPE13824
PIPE13834
PIPE13873
PIPE13704
PIPE13691
CHAN10495
PIPE13926
PIPE13825
CHAN10492
PIPE14135
PIPE13881
PIPE13876
PIPE14127
PIPE13828
PIPE13699
PIPE14131
PIPE13678
PIPE13700
PIPE14124
CHAN10601
PIPE14129
CHAN10619
PIPE13697
PIPE14133
PIPE13677
CHAN10617
PIPE13687
PIPE13717
CHAN10616
CHAN10602
PIPE13882
PIPE13927
PIPE13925
PIPE14132
PIPE13806
PIPE13874
CULV10244
PIPE14115
PIPE13718
PIPE13676
PIPE14128
PIPE13635
PIPE14120
PIPE13804
PIPE14121
PIPE14114
PIPE14118
PIPE13694
PIPE14123
PIPE13822
PIPE13835
PIPE13810
PIPE13826
PIPE13831
PIPE13713
PIPE13705
PIPE13709
PIPE13830
PIPE13812
PIPE13829
PIPE13698
PIPE13693
730' 730'
720' 720'
710'
700' 700'
690'
690'
680' 680'
670' 670'
650'
640' 640'
630' 630'
620' 620'
610'
610'
600' 600'
690'
690'
680'
680'
670'
670'
660'
660'
650'
650'
640'
640'
620'
620'
610'
610'
650' 650'
640' 640'
640'
640'
630'
620'
620'
610' 610'
600'
600'
590'
590'
730'
730'
720'
720'
650'
650'
640'
640'
650' 650'
640' 640'
630' 630'
640' 640'
630'
630'
600' 600'
590'
590'
580'
570'
580' 580'
570'
670' 670'
660' 660'
630'
630'
620' 620'
660'
660'
590'
590'
700' 700'
640' 640'
640'
640'
640' 640'
630'
630'
670' 670'
650' 650'
650'
650' 650'
630' 630'
630'
630'
620' 620'
580'
580'
580'
580'
700' 700'
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 15
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 8
SEE SHEET 23
SEE SHEET 14SEE SHEET 16

SSUUNNNNYYSSIIDDEEAAVV

CCAALLIISSTTOOGGAA WWYY

HHOOPPEE SSTT

BBAAYYLLOORR DDRR

VVEENNIICCEEAAVV
TT
RREENN
TTOO
NN
WWYY

GLEN ELLEN PL GLEN ELLEN PL

GGEENNOOAA WWYY

BRIGHTWOOD DR

MMILILAANN WWYY

SSCCHHOOOOLLHHOOUUSSEE WWYY
CLEN10009
CLEN10015
CLEN10017
CLEN10018
CLEN10019
CBIN10018
CBIN10019
CBIN10021
CBIN10035
CLEN10034
CBIN10050
CLEN10035
CLEN10036
CBIN10062
OTLT10003
OTHR10005
INLT10019
INLT10020
OTLT10004
CLEN10041
CLEN10044
CLEN10045
CLEN10046
CLEN10055
CLEN10057
OTLT10005
CBIN10079
CLEN10098
INLT10071
CLEN10198
OTLT10015
CLEN10200
INLT10074
OTHR10051
CLEN10213
OTHR10061 OTHR10065
OTLT10018
CBIN10225
CLEN10217
CLEN10218
CBIN10226
CLEN10219
CLEN10220
CBIN10231
OTHR10070
INLT11195
OTLT10309
OTHR11379
OTHR11380
OTHR11381
OTHR11382
OTHR11383
PIPE13753
PIPE13884
PIPE13638
PIPE14171
PIPE13843
CHAN10500
PIPE13640
PIPE13651
PIPE13880
PIPE13854
PIPE14155
PIPE13883
CHAN10501
PIPE13845
PIPE13672
PIPE13849
PIPE13652
CHAN10498
CHAN10504
CHAN10515
CHAN10516
CHAN10506
CHAN10499
CHAN10508
CHAN10510
CHAN10505
CHAN10513
CHAN10509
CHAN10497
CHAN10512
PIPE13643
PIPE13660
PIPE13886
PIPE13881
PIPE13736
CHAN10612
CHAN10621
PIPE13657
PIPE13754
CHAN10620
CHAN10611
CHAN10614
PIPE13882
CHAN10615
PIPE13659
PIPE13888
PIPE13885
PIPE13877
PIPE13750
PIPE13836
PIPE13639
PIPE14169
PIPE13631
PIPE13721
PIPE13630
PIPE13720
PIPE13632
PIPE13726
PIPE13735
PIPE13734
PIPE13629
PIPE13624
PIPE13842
PIPE14167
PIPE13628
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'
750'
760' 760'
740'
750'
740'
730' 730' 720' 720'
710' 710'
660'
660'
650' 650'
640'
640'
880' 880'
870' 870'
860' 860'
850'
850'
840'
840'
830'
830'
820'
820'
810'
810'
800'
800'
810'
810'
800'
800'
790'
790'
780' 780'
770'
770'
760'
760'
750' 750'
740'
730'
730'
720'
720'
790'
790'
780'
780'
770'
770'
760'
760'
740'
740'
730'
730'
720' 720'
800' 800'
790' 790'
780' 780'
770' 770'
760' 760'
750'
750'
740' 740'
730'
730'
900' 900'
890' 890'
880' 880'
870' 870'
860' 860'
850' 850'
900'
900'
890' 890'
880'
880'
870'
870'
860'
860'
850' 850'
710' 710'
700' 700'
690'
690'
680'
680'
680' 680'
670' 670'
920'
920'
900'
900'
890' 890'
710'
710'
700' 700'
690' 690'
690' 690'
680' 680'
690'
690'
680'
680'
670'
670'
910'
910'
900' 900'
890'
890'
750'
750'
740'
740'
730'
730'
710'
700'
870'
860'
850'
670' 670'
660'
660'
660'
660'
650' 650'
700' 700'
690'
690'
680' 680'
670' 670'
630'
630'
790'
790'
750'
750'
700' 700'
660' 660'
650' 650'
880' 880'
880' 880'
800' 800'
720' 720'
720' 720'
660' 660'
950'
950'
890' 890'
850'
850'
820'
820'
700'
700'
700'
700'
700'
700'
670'
670'
660' 660'
640'
640'
890' 890'
860'
860'

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 16
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 9
SEE SHEET 24
SEE SHEET 15SEE SHEET 17

TTAANNGGLLEEWWOOOODD DDRR

BBAAYYLLOORR DDRR

WWININDDRRIVIVEERR SSTT

EECCLLIIPPSSEE DDRR

RREEFFLLEECCTTIIOONN SSTT

WWEEAATTHHEERRSSTTOONNEEWWYY

GRAIN MILL RD

GRAIN MILL RD

BBRRIIGGHHTTWWOOOODD DDRR

TARA WY TARA WY

LLIIQQUUIIDDAAMMBBEERRWWYY

WWAAVVEERRLLYY LLNN

HHOOLLLLOOWWBBRROOOOKK CCTT

AAVVAALLOONNWWYY

QUESTHAVEN RD QUESTHAVEN RD

LLEEMMOONN TTRREEEE CCTT

PRISM DR PRISM DR

CCIITTRRIINNEEWWYY

GGEENNOOAA WWYY

SSUUMMMMEERRMMOOOONNRRDD

OORRIIOONN WWYY

TTHHOORRLLEEYY WWYY

CCLLIIFFFFTTOOPP AAVV

HHOORRIIZZOONN CCTT

FFIIRRSSTTLLIIGGHHTT RRDD

AANNCCHH
OO
RR
PPLL

LEEWARD AV LEEWARD AV

BLUE WATER LN BLUE WATER LN
CBIN10010
CLEN10001
CLEN10002
CLEN10013
INLT10005
CLEN10014
CBIN10016
CLEN10017
CLEN10020
INLT10013
CLEN10021
CLEN10022 CLEN10023
CLEN10024
CBIN10017
CLEN10026
CLEN10027
CLEN10028
CBIN10036
CBIN10037
CBIN10038
CLEN10032
CLEN10033
CBIN10043 CBIN10045
CBIN10046
CBIN10048 CBIN10049
CBIN10051
CBIN10052
CBIN10053
CBIN10054
CBIN10056
CBIN10058
CBIN10059
CBIN10063
CLEN10042
CLEN10043
CBIN10071
CLEN10047
CLEN10048
CLEN10049
CLEN10052
CLEN10053
CBIN10080
CBIN10081
CBIN10083
CBIN10087
CBIN10088
CLEN10059
CBIN10091
OTHR10048
CBIN10642
CBIN10644
CBIN10645
CLEN10503
CLEN10504
CBIN10646
CBIN10650
CBIN10651
CBIN10652
CLEN10507
INLT10242
CLEN10508
CLEN11570
PIPE13725
PIPE13634
PIPE13622
PIPE13626
PIPE13890
PIPE13735
PIPE13848
PIPE13891
PIPE13655
PIPE13631
PIPE13724
PIPE13893
PIPE13910
PIPE13620
PIPE13731
PIPE13906
PIPE14161
PIPE13912
CHAN10533
PIPE13644
PIPE13733
PIPE13656
PIPE13730
PIPE13654
PIPE14157
CHAN10534
CHAN10536
PIPE13847
PIPE13903
PIPE13771
PIPE13889
PIPE13749
PIPE13901
PIPE13728
PIPE13722
PIPE13851
PIPE13746
PIPE14156
PIPE14159
PIPE13726
PIPE13729
PIPE13911
PIPE13646
PIPE13915
PIPE13846
PIPE13744
PIPE13743
PIPE13776
PIPE13621
PIPE13736
PIPE13775
PIPE13738
PIPE13732
PIPE13740
PIPE13647
PIPE13739
PIPE13850
PIPE13900
PIPE13619
PIPE13852
PIPE13741
PIPE13625
PIPE13745
PIPE13633
PIPE13742
PIPE13645
PIPE13737
PIPE13623
PIPE13652
1050'
1050'
1040' 1040'
1030' 1030'
1020'
1020'
1010'
1010'
1000' 1000'
990'
990'
960' 960'
950' 950'
940' 940'
930' 930'
920' 920'
910' 910'
980'
980'
970' 970'
900'
900'
890'
890'
880' 880'
950' 950'
940'
940'
930' 930'
920'
920'
910'
890' 890'
880' 880'
870' 870'
980'
980'
970'
1000'
990'
990'
980'
980'
970'
970'
960'
980' 980'
970' 970'
930'
930'
920'
920'
900'
900'
850' 850'
840' 840'
830' 830'
870' 870'
860' 860'
960'
960'
950'
950'
940'
940'
890'
890'
880'
880'
870'
870'
860'
860'
1050'
1040' 1040'
860'
850'
900' 900'
960'
960'
910' 910'
930'
930' 930' 930'
850' 850'
1040'
1030' 1030'
1010'
1010'
940'
940'
980'
980'
900'
900'
900'
900'
900' 900'
890'
890'
880' 880'
870' 870'
870'
870'

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 17
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 10
SEE SHEET 25
SEE SHEET 16SEE SHEET 18

QQUUEESSTTHHAAVVEENN RRDD

PP RRIIVVAATTEE RRDD

HOLLOWBROOK CT

HOLLOWBROOK CT

AATTTTEEBBUURRYY
RRDD

WWEEAATTHHEERRSSTTOONNEEWWYY

PPRRIVIVAATTEERRDD

LLEEEEWWAARRDD AAVV

GOLDEN EAGLE TL

GOLDEN EAGLE TL

PRIVATE RD PRIVATE RD
CLEN10025
CLEN10037
CBIN10086
CLEN10509
OTHR11652
OTHR11653
FLOW10045
CHAN10556
CHAN10533
CHAN10555
CHAN10530
CHAN10544
CHAN10552
CHAN10582
CHAN10554
CHAN10579
CHAN10540
CHAN10548
CHAN10534
CHAN10535
CHAN10584
CHAN10549
CHAN10553
CHAN10580
CHAN10529
CHAN10581
CHAN10539
CHAN10551
CHAN10583
CHAN10545
CHAN10528
CHAN10585
CHAN10547
CHAN10536
CHAN10550
CHAN10546
CHAN10532
CHAN10608
CHAN10610
CHAN10531
CHAN10586
PIPE13914
PIPE13847
PIPE13748
PIPE13747
PIPE13915
1100'
1090' 1090'
1080'
1070'
1060' 1060'
1050'
1050'
1040'
1040'
1030'
1030'
1020'
1020'
1010'
1010'
1000'
1000'
990'
990'
980'
980'
960'
960'
950' 950'
940' 940'
930' 930'
920' 920'
910'
910'
900'
880' 880'
870' 870'
860'
850'
840'
830'
820'
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'
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'
850' 850'
840' 840'
830' 830'
820'
820'
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'
890' 890'
880' 880'
870' 870'
860'
860'
850' 850'
840'
840'
830'
820' 820'
980'
980'
990' 990'
970'
970'
960' 960'
950'
950'
940'
940'
980' 980'
950'
960' 960'
970' 970'
940' 940'
950'
920' 920'
930' 930'
910'
910'
870'
870'
860'
860'
850'
850'
840'
840'
830'
830'
820' 820'
810' 810'
800' 800'
960' 960'
950' 950'
930' 930'
920' 920'
920' 920'
910' 910'
900'
900'
890' 890'
880' 880'
870'
870'
1020' 1020'
1010' 1010'
1000'
1000'
990' 990'
1000'
1000'
990'
990'
980' 980'
970' 970'
980'
980'
970'
970'
960'
960'
900' 900'
890' 890'
790' 790'
780'
780'
770' 770'
760'
760'
750' 750'
1090' 1090'
1080'
1080'
960' 960'
950' 950'
910'
910'
900' 900'
890' 890'
880' 880'
960' 960'
950' 950'
1020' 1020'
1010'
1010'
1010'
1010'
1000' 1000'
870'
870'
860' 860'
830'
840' 840'
830'
810' 810'
800' 800'
970' 970'
890' 890'
850'
850'
860' 860'
810'
810'
1010'
1010'
960' 960'
960'
960'
950' 950' 950' 950'
1050'
1050'
950' 950'
930'
910'
910'
890'
890'
880'
880'
880' 880'
870'
870'
850'
850'
830' 830'
790'
790'

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 18
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 11
SEE SHEET 26
SEE SHEET 17SEE SHEET 19

PPRRIIVVAATTEE RRDD

PRIVATE RD

PRIVATE RD PRIVATE RD

DDEEAADDWWOOOODDDDRR

PRIVATE RD PRIVATE RD

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

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 19
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 27
SEE SHEET 18

FILOLI CR FILOLI CR

FILOLI CR FILOLI CR

VVIAIA BBOORRRREEGGOOSS

LLAA CCOOSSTTAA MMEEAADDOOWWSS DDRR

CTE TERRAL

CCOORRIINNTTIIAA SSTT

SSITITIOIO TTOORRTTUUGGAA

FILOLI CR FILOLI CR

AVNDA PARADA AVNDA PARADA

SSIITTIIOO CCOORRAAZZOONN

SITIO AVELLANA SITIO AVELLANA

SSIITTIIOO

FFRROONNTTEERRAA
SS

RRAANN CCHH OO
SSAANN

TTAA FFEE
RRDD

SITIO CABALLERO

PPRRIIVVAATTEE RRDD

RANCHO SANTA FE RD
INLT10211 CBIN10603
San Marcos Creek
PIPE12771
PIPE12780
590'
580' 580'
570'
570'
560' 560'
550' 550'
540' 540'
530' 530'
520' 520'
510' 510'
500' 500'
490' 490'
480' 480'
470' 470'
460' 460'
450' 450' 440' 440'
430' 430'
420' 420'
410' 410'
400' 400'
390' 390'
380' 380'
370' 370'
360' 360'350' 350'
340' 340'
330' 330'
320' 320'
530'
530'
520'
520'
510'
510'
500'
500'
490' 490'
480'
480'
470'
470'
460'
460'
450'
450'
440'
440'
420' 420'
410' 410'
390' 390'
380' 380'
370'
370'
360'
360'
350' 350'
340'
410'
410'
400' 400'
390'
390'
360' 360'
350'
350'
630' 630'
620'
620'
610'
610'
600'
600'
590'
590'
580'
580'
450' 450'
440'
440'
430' 430'
420' 420'
380'
380'
370' 370'
360' 360'
350' 350'
340' 340'
350' 350'
340'
340'
370'
370'
360'
360'
570' 570'
560' 560'
470' 470'
460'
460'
450' 450'
440' 440'
380'
380'
370' 370'
360' 360' 350' 350'
350' 350'
340'
340'
340' 340'
330' 330'
440' 440'
430'
430'
340'
340'
330' 330'
330'
330'
320' 320'
620' 620'
610'
610'
310'
310'
400'
400'
370'
370'
460'
460'
340' 340'
350'
640' 640'
530'
460'
460'
430'
430'
390' 390'
380'
370' 370'
360' 360'
360'
360'
350' 350'
350' 350'
350' 350'
340'
340'
330' 330'
330' 330'
330'
330'
330' 330'
310'
310'
370'
370'
350'
350'
340'
340'
330' 330'
INLT10953

CARLSBAD CARLSBAD

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 20
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 12
SEE SHEET 29
SEE SHEET 21

MMEELLRROOSSEEDDRR

DIAMOND ST

DIAMOND ST

LLOONNGGSSTTAAFFFF
CC TT

LLAA CCOOSSTTAA MMEEAADDOOWWSS DDRR

PRIVATE RD

OPAL DR

PPRRIIVVAATTEE RRDD

SPARROW LN SPARROW LN
INLT10168
CBIN10579
CBIN10580
CBIN10581
INLT10172 OTLT10028
INLT10173
INLT10174
CBIN10582
INLT10175
INLT10176 INLT10177
CBIN10583
CLEN10424
INLT10178 INLT10179
CBIN10584
CBIN10585
CBIN10586
OTHR10107
INLT10189
INLT10190
CLEN10427
SEPR10005
INLT10202
OTHR10122
OTHR10124
CBIN10604
OTLT10030
OTLT10031
CBIN10612
CBIN10613
CLEN10452
CBIN10614
OTLT10035
INLT10213
INLT10214
OTLT10036
CLEN10459
CLEN10460 CBIN10621
CLEN10461
CLEN10462
CBIN10623
CLEN10463 OTHR10140
CBIN10626
CBIN10627
INLT10218
OTLT10037
SEPR10007
CLEN10465 CLEN10466
San Marcos Creek
San Marcos Creek
PIPE12763
PIPE12747
PIPE12641
PIPE12752
PIPE12781
PIPE12789
PIPE12787
PIPE12664
PIPE12483
PIPE12724
PIPE12637
PIPE12714
PIPE12479
PIPE12478
PIPE12786
PIPE12565
PIPE12745
PIPE13452
PIPE12712
PIPE12757
PIPE12783
PIPE13431
PIPE12750
PIPE13453
PIPE12753
FLOW10024
PIPE12636
PIPE12518
PIPE12742
PIPE12579
PIPE12640
PIPE12553
PIPE12710
PIPE13594
PIPE12784
PIPE12516
PIPE12482
PIPE12717
PIPE13595
PIPE12748
PIPE12593
PIPE12635
PIPE12755
PIPE12716
PIPE12749
PIPE12715
PIPE12554
PIPE12517
PIPE12654
PIPE12731
500'
500'
510' 510'
490'
490'
480'
480'
470'
470'
460'
460'
450'
450'
440'
440'
430'
430'
420'
420'
410'
410'
400' 400'
390'
390'
380'
380'
360' 360'
350'
350'
470' 470'
460' 460'
450'
450'
440' 440'
430' 430'
420' 420'
400' 400'
390'
380'
410'
380'
370'
360'
350'
340'
400' 400'
390' 390'
380' 380'
370' 370'
360' 360'
350' 350'
340' 340'
410' 410'
400' 400'
390' 390'
380'
380'
450' 450'
440' 440'
410'
410'
400'
400'
370'
370'
360' 360'
370'
370'
360'
360'
350'
350'
340'
340'
420'
410'
370'
370'
470'
470'
340'
340'
440' 440'
410' 410'
410'
410'
410' 410'
400' 400'
390'
390'
390'
390'
390'
390' 390'
390'
390'
380' 380'
380'
380'
370' 370'
350' 350'
350'
350'
380'
380'
360'
360'
360'
360'
350' 350'
350' 350'
CINT10001
OTHR11736
OTHR11737
OTHR11738
OTHR11739 OTHR11740
CINT10006

CARLSBAD CARLSBAD

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 21
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 13
SEE SHEET 30
SEE SHEET 20SEE SHEET 22

PORTSIDE PL PORTSIDE PL

WWIINNDDEEMMEERREE DDRR

CCRREESSCCEENNTTPPLL

SSAANNDD
DDUU
NN
EE
WWYY

SSAANNDDBBAARR
DDRR

ARCHER RD ARCHER RD

RIVER CREST RD RIVER CREST RD

SAGEWOOD WY SAGEWOOD WY

CCOOPPPPEERR CCTT

SSTTAARRGGAAZZEE CCTT
CLEN10102
CLEN10104 INLT10045
CLEN10105 CLEN10106
CLEN10107 CLEN10108
OTHR10025
OTHR10026
CLEN10113
CLEN10114
CLEN10115
CLEN10116
INLT10046
CBIN10107
CLEN10118
CLEN10120
CBIN10109
INLT10047
CBIN10110
CLEN10127
CLEN10129
CLEN10130
CBIN10121
CBIN10142 CBIN10143
CBIN10146
CBIN10152
CBIN10155
INLT10050
CBIN10172
OTLT10010 INLT10067 CLEN10186
CLEN10187
CBIN10196
CLEN10195
OTLT10014
INLT10081
INLT10082
San Marcos Creek
PIPE12423
PIPE12329
PIPE12410
PIPE12428
PIPE12419
PIPE12412
PIPE12374
PIPE12378
PIPE12332
PIPE12420
PIPE12364
PIPE12320
PIPE12386
PIPE12440
PIPE12429
PIPE12367
PIPE12368
PIPE12373
PIPE12363
PIPE12385
PIPE12331
PIPE12383
PIPE12411
DTCH10315
DTCH10313 DTCH10314
DTCH10312 DTCH10311
PIPE13605
PIPE12390
PIPE12371
PIPE12392
PIPE12357
PIPE12382
PIPE12376
PIPE12355
PIPE12434
PIPE12350
PIPE12354
PIPE12408
PIPE12366
PIPE12369
PIPE12362
PIPE12391
PIPE12365
PIPE12370
PIPE12409
PIPE12351
PIPE13435
PIPE13436
710' 710'
700' 700'
690' 690'
680' 680'
670' 670'
660'
660'
650' 650'
620'
620'
610'
600'
590'
580'
530'
530'
520'
520'
510'
510'
500' 500'
480'
480'
460'
460'
450'
450'
560' 560'
550' 550'
540' 540'
490' 490'
440' 440'
430'
430'
610' 610'
600'
600'
590'
580'
570' 570'
550'
550'
530'
530'
520'
520'
500'
480'
480'
450'
450'
420' 420'
540' 540'
510'
510'
490'
620'
620'
600'
600'
610' 610'
580' 580'
590'
590'
550'
550'
530'
530'
510'
510'
520' 520'
490'
490'
500'
500'
470'
470'
480' 480'
450'
450'
460' 460'
440' 440'
430' 430'
660' 660'
650'
650'
640'
640'
570'
580'
580'
570' 570'
560' 560'
550' 550'
540' 540'
530' 530'
520' 520'
510' 510'
500'
500'
490' 490'
480'
480'
420' 420'
410'
410'
460'
460'
450'
450'
440'
440'
430' 430'
400' 400'
390'
390'
520' 520'
510' 510'
500' 500'
490' 490'
480' 480'
470'
470'
460' 460'
450' 450'
440' 440'
430' 430'
530' 530'
520'
520'
510'
510'
500'
500'
490'
490'
480' 480'
470' 470'
460'
460'
450' 450'
440'
440'
550'
550'
530' 530'
540' 540'
520' 520'
510' 510'
500' 500'
490' 490'
460' 460'
470'
470'
480' 480'
700'
690' 690'
680'
670'
660'
680' 680'
690' 690'
660' 660'
670' 670'
650' 650'
640'
640'
570'
560'
550'
460' 460'
450'
450'
440' 440'
430'
430'
410'
400'
390'
380'
410' 410'
400'
400'
590' 590'
560' 560'
510'
510'
500' 500'
510' 510'
500' 500'
480'
470'
460'
460'
400'
400'
390'
390'
380'
380'
690'
680'
590' 590'
580' 580'
570'
560' 560'
550' 550'
560' 560'
550'
550'
410' 410'
400' 400'
390'
390'
380' 380'
630' 630'
570'
470'
470'
620'
620'
560' 560'
630'
630'
560'
540'
540'
470' 470'
380' 380'
430' 430'
420'
420'
430'
430'
420' 420'
540' 540'
680' 680'
580'
400' 400'
680'
680'
670' 670'
580'
580'
580' 580'
560' 560'
540' 540'
380'
380'
380'
OTHR11741
OTHR11742

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 22
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 14
SEE SHEET 31
SEE SHEET 21SEE SHEET 23

CLEARVIEW WY CLEARVIEW WY

CLEARVIEW WY CLEARVIEW WY

SKY RIDGE CT SKY RIDGE CT

CCLLEEAARRVVIEIEWWWWYY

AARRCCHHEERR RRDD

CORAL WY

PPEEAARRLL DDRR

SAN ELIJO RD SAN ELIJO RD

GLENCREST DR

GLENCREST DR

CLEARVIEW WY CLEARVIEW WY

KKIINNGGSSPPOORRTT WWYY

CCRRYYSSTTAALLCCTT

SSCCHHOOOOLLHHOOUUSSEE WWYY

MISTY SEA WY

MISTY SEA WY

DOLPHIN CT
OTHR10011
OTHR10012
OTLT10007 CLEN10070
CLEN10078
CLEN10079
CLEN10081
CBIN10093
INLT10037
CLEN10085
CBIN10097
CLEN10089
CLEN10096
CLEN10125
CLEN10126
CLEN10136
CLEN10138
CLEN10139
CLEN10140
CLEN10141
CLEN10142
CLEN10143
CBIN10147
CLEN10154
CBIN10166
INLT10051
CBIN10167
CLEN10156
INLT10053
INLT10058
CLEN10191 CLEN10192
CLEN10201
OTHR10039
INLT10077
OTHR10041
INLT10082
OTHR10062
CBIN10077
CLEN10063
CLEN10069
CLEN10072
OTHR10022
CLEN10110
CBIN10106
CLEN10112
CLEN10146
CLEN10147
CBIN10213
OTHR10050
PIPE13782
PIPE13807
PIPE12431
PIPE13813
PIPE12325
PIPE12334
DTCH10279
PIPE12367
DTCH10278
PIPE12377
PIPE12448
DTCH10311
PIPE12425
PIPE13804
PIPE12344 PIPE12343
PIPE12342
PIPE12340
PIPE13779
PIPE12336
DTCH10309
DTCH10306
DTCH10304
PIPE12384
DTCH10303
DTCH10308
DTCH10305
DTCH10310
DTCH10307
PIPE12433
PIPE12447
PIPE13788
PIPE12400
PIPE12432
PIPE13802
PIPE13780
PIPE12402
PIPE12401
PIPE12399
PIPE13803
PIPE12348
PIPE12337
PIPE12335
PIPE12327
PIPE12346
PIPE12338
PIPE12349
PIPE12396
PIPE12323
PIPE12405
PIPE12324
PIPE12398
1170' 1170'
1160' 1160'
1150' 1150'
1140' 1140'
1120' 1120'
1130'
1130'
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'
950' 950'
960' 960'
940' 940'
920' 920'
930' 930'
910' 910'
900' 900'
880'
880'
890' 890'
870' 870'
860' 860'
850' 850'
840'
840'
830'
810'
810'
820' 820'
790'
800' 800'
790'
780' 780'
770' 770'
760' 760'
750'
750'
740'
740'
710'
720'
720'
730'
730'
700'
700'
710'
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'
760'
760'
770'
760'
750' 750'
740' 740'
730' 730'
720' 720'
710'
700'
700'
690'
680'
660'
650'
710' 710'
700' 700'
690'
690'
680' 680'
670' 670'
670' 670'
660' 660'
690' 690'
680' 680'
1070' 1070'
1060' 1060'
1050'
1050'
780' 780'
770' 770'
760' 760'
720'
720'
700'
700'
700'
700'
690' 690'
750' 750'
740' 740'
680'
680'
670'
670'
670' 670'
660'
660' 660'
650' 650'
1100' 1100'
690'
690'
670' 670'
740'
730'
690'
690'
680'
680'
780'
780'
690'
690'
810'
770'
770'
770'
770'
770'
730' 730'
710'
710'
690'
690'
680'
640' 640'

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 23
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 15
SEE SHEET 32
SEE SHEET 22SEE SHEET 24
LLUU

MM IINN AARRAA
WWYY

HIGHBLUFF AV HIGHBLUFF AV

HHIIGGHHBBLLUUFFFF AAVV

WWIILLDD

CC AANNYYOONN DDRR

SSTTEEPPHHAANNIIEE
SSTT

FFEESSTTIIVVAALL RRDD

WWEE SSTTII NN WW YY

HOPE ST

HOPE ST

HHGIGI HHBBLLUUFFFF AAVV
SS

KKYY RRIIDDGGEE CCTT

ROCK CT ROCK CT

SSKKYYRRII

DDGGEE CCTT

CAPRISE DR

SSUUNNNNYYSSIIDDEE AAVV

IDIDYYLLLLWWILILDDWWYY

CCLLIIFFFFTTOOPPAAVV

SSTTEEPPHHAANNIIEE CCTT

SPRINGFIELD RD SPRINGFIELD RD

PEARL DR PEARL DR

PPEEAARRLL DDRR

WWIILLDD IIRRIISS CCTT

SSAANN EELLIIJJOO RRDD
CLEN10090
INLT10039
CBIN10014
CBIN10015
INLT10002
CLEN10007
OTHR10002
CLEN10008
OTHR10003
OTHR10004
CLEN10030
INLT10017
CLEN10039 CLEN10040
CLEN10055
CLEN10068
CLEN10097
CLEN10098
CLEN10099
CBIN10100
CBIN10101
INLT10041
CLEN10100
CLEN10101
INLT10042
OTHR10038
CBIN10212
CBIN10215
CLEN10209
INLT10084
OTHR10050
OTLT10017
OTHR10060
CLEN10216
INLT10088
INLT10089
CLEN11100 CLEN11102
CBIN11603
CLEN11139
CBIN11606
CBIN11608
CBIN11610
CLEN11140
SEPR10028
CBIN11611
CLEN11141
CLEN11142
CBIN11612
SEPR10029
CLEN11143 INLT10758
CLEN11144
CBIN11615
CLEN11145
PIPE14024
PIPE13762
PIPE13864
PIPE14090
PIPE14112
PIPE13837
PIPE14163
PIPE13657
PIPE14003
PIPE13857
PIPE14013
PIPE14017
PIPE13839
PIPE14111
PIPE13752
PIPE14023
PIPE13794
PIPE13865
PIPE14058
CHAN10518
PIPE13872
CHAN10520
CHAN10523
PIPE13650
PIPE13841
PIPE12347
CHAN10526
CHAN10525
CHAN10519
PIPE13763
PIPE14018
PIPE13793
PIPE13791
PIPE12346
PIPE13778
PIPE14019
PIPE13844
PIPE13795
PIPE13675
CHAN10522
CHAN10521
PIPE14016
PIPE13792
PIPE13843
PIPE14057
PIPE14083
CHAN10524
PIPE14098
PIPE14070
PIPE13642
PIPE14014
PIPE13933
PIPE14015
PIPE13871
PIPE13838
PIPE14059
PIPE14089
PIPE14062
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'
810'
810'
800'
790'
790'
770'
780'
780'
760'
750'
740' 740'
1220'
1220'
1200' 1200'
1190'
1190'
1180'
1180'
1170' 1170'
1160' 1160'
1150' 1150'
1140' 1140'
1130'
1130'
1120' 1120'
1110' 1110'
1100' 1100'
1080' 1080'
1060' 1060'
1050'
1050'
1020' 1020'
1010' 1010'
1230' 1230'
1210' 1210'
1090'
1090'
1070'
1070'
1040'
1040'
990'
990'
980'
980'
970'
970'
960' 960'
950' 950'
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'
940'
940'
930' 930'
920' 920'
1110' 1110'
1100' 1100'
1090' 1090'
1080'
1080'
1070' 1070'
1060' 1060'
1050'
1050'
1040'
1040'
1030'
1030'
1020'
1020'
970' 970'
960' 960'
950'
950'
940'
940'
1110'
1110'
1100' 1100'
1090' 1090'
1080' 1080'
820' 820'
810' 810'
800' 800'
1010' 1010'
1000'
1000'
1010' 1010'
1000' 1000'
990' 990'
980'
980'
1060' 1060'
1050' 1050'
720'
720'
710'
710'
820'
820'
730'
730'
1030'
1030'
1160'
1160'
1070' 1070' 1070'
1070'
1020' 1020'
1000'
1000'
930'
930'
860' 860'
820' 820'
1240'
1240'
1030' 1030'
1030'
1030'
870'
870'
870'
820' 820'

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 24
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 16
SEE SHEET 33
SEE SHEET 23SEE SHEET 25

LLUUMMIINNAARRAA WWYY

CHERT DR CHERT DR

CHERT DR CHERT DR

EECCLLII PPSSEE DDRR

RREEGGAATTTTAA

CCTT QUESTHAVEN RD QUESTHAVEN RD

ORION WY

ORION WY

CCHHEERRTT DDRR

HORIZON CT
AANN
CC

HH OORR
PPLL

CCLLIIFFFFTTOOPPAAVV

TTRRZZAA MMAARR

FFEESSTTIIVVAALL RRDD

WWIILLDD CCAANNYYOONN DDRR

CHANDELIER CT

SAN ELIJO RD SAN ELIJO RD

FFEESSTTIIVVAALL RRDD

REFLECTION ST

DDOOLLOOMIITTEE WWYY

AATTHHEERRTTOONN SSTT

HHOOLL MM
GG

RROO VVEE
DDRR

AANNTTIILLLLAA WWYY
CLEN10004
CLEN10005
CBIN10011
CBIN10012
CLEN10006
CBIN10022
CBIN10023
CBIN10024
CBIN10025
CBIN10026
CBIN10027
CLEN10030
CBIN10059
CBIN10060
CBIN10082
CLEN10060
CLEN10215
OTHR10068
CLEN11145
CBIN11616
CBIN11617 CLEN11146
CLEN11147
CBIN11618
CLEN11148
CBIN11622 CBIN11623
CBIN11624 CLEN11149
INLT10759
INLT10760
CLEN11150
OTHR10465
CLEN11151
CBIN11625 CBIN11626
CLEN11153
INLT10763
CBIN11630
CBIN11631
CLEN11154
CBIN11632
CBIN11633
CBIN11634
CBIN11635
CLEN11156
CBIN11636 CBIN11637
CLEN11157
CLEN11158
CLEN11159
CBIN11638
CBIN11639
CLEN11160
OTHR10469
CLEN11434
CLEN11436
CLEN11438
CLEN11439 CLEN11440
CLEN11441
CBIN11979
INLT11098 CLEN11442
CLEN11443
CLEN11444 CBIN11980
CLEN11445
SEPR10053
INLT11100
CBIN11981
CBIN11982
PIPE13770
PIPE14148
PIPE14141
PIPE13776
PIPE14005
PIPE14006
PIPE13990
PIPE14094
PIPE13992
PIPE13986
PIPE14137
PIPE14084
PIPE13997
PIPE14091
PIPE14143
PIPE14144
PIPE14001
PIPE14145
PIPE14074
PIPE13792
PIPE14023
PIPE13755
PIPE13756
PIPE14071
PIPE13767
PIPE13999
PIPE13764
PIPE13757
PIPE14095
PIPE13995
CHAN10589
CHAN10588
CHAN10587
PIPE13994
PIPE14101
PIPE14140
PIPE13998
PIPE13984
PIPE13777
PIPE14000
PIPE14008
CHAN10625
PIPE14136
PIPE14149
PIPE13727
PIPE13772
PIPE14151
PIPE14147
PIPE14010
PIPE14020
PIPE14009
PIPE14139
PIPE14011
PIPE14142
PIPE14012
PIPE13982
PIPE14072
PIPE14013
PIPE13983
PIPE14007
PIPE13989
PIPE13991
PIPE13987
PIPE13993
PIPE13766
PIPE14138
PIPE13761
PIPE13790
PIPE13765
PIPE13769
PIPE13760
PIPE13768
1170'
1150'
1140'
1140'
1130'
1120'
1110'
1110'
1100'
1100'
1090'
1080'
1080'
1070'
1060'
1050'
1040'
1030'
1020'
1010'
1000'
990'
990'
1330' 1330'
1320' 1320'
1310'
1310'
1300' 1300'
1290'
1290'
1280'
1280'
1270'
1270'
1260' 1260'
1250' 1250'
1240'
1240'
1230'
1230'
1220'
1220'
1170' 1170'
1160'
1160'
1150'
1150'
1140'
1140'
1130'
1130'
1120' 1120'
1110'
1100'
1090'
1080' 1080'
1070' 1070'
1060'
1060'
1050'
1050'
1040' 1040'
1030' 1030'
1180'
1180'
1170'
1170'
1160'
1160'
1150'
1150'
1140'
1140'
1130'
1130'
1120'
1120'
1110'
1110'
1100' 1100'
1090'
1090'
1080'
1080'
1070'
1070'
930'
930'
920' 920'
910' 910'
970' 970'
960'
960'
950' 950'
940' 940'
1210'
1200'
1190'
1180'
1170'
1160'
1040'
1040'
1030'
1030'
1020'
1020'
1060'
1050'
1050'
1370'
1370'
1360'
1360'
1350'
1350'
1340'
1340'
1060'
1060'
1040'
1040'
1020'
1010'
1010'
1000'
1000'
1020' 1020'
1010' 1010'
1000' 1000'
1190'
1190'
1180'
1180'
1390'
1390'
1380'
1380'
1150'
1150'
1140'
1140'
1050'
1050'
1040'
1040'
1040'
1040'
1030'
1030'
1020'
1020'
1010'
1010'
900' 900'
890' 890'
1210'
1200' 1200'
1190' 1190'
1180'
1180'
980' 980'
1180' 1180'
1190'
1190'
1120'
1120'
1050'
1050'
1220'
1190'
1190'
1180'
1180'
1170'
1170'
1170' 1170'
1080'
1080'
1050' 1050'
1000' 1000'
980' 980'
980' 980'
980'
1200'
1200'
990' 990'
970' 970'

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 25
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 17
SEE SHEET 34
SEE SHEET 24SEE SHEET 26

AATTTTEEBBUURRYY
RRDD

LAUREN PL

SAN ELIJO RD SAN ELIJO RD

ANTILLA WY

ANTILLA WY

LEXI CT

OORRIIOONN WWYY

GOLDEN EAGLE TL

GOLDEN EAGLE TL

PPRRIVIVAATTEE RRDD
CLEN10003
CLEN10038
CBIN10065
CBIN10066
OTHR10006
CBIN10067
CBIN10068
CBIN10069
INLT10021
CLEN10056
CBIN10072
CBIN10073
CLEN10058
OTLT10006
CBIN10076
OTHR10009
OTHR10069
CLEN11160
SEPR10030
CLEN11163 CLEN11164
OTLT10230
CBIN11842
OTHR11183
DETB10022
OTHR11594
INLT11540
OTHR11655
PIPE14162
PIPE13799
PIPE13978
CHAN10571
PIPE13801
PIPE13661
PIPE14113
PIPE13668
PIPE14182
PIPE13758
PIPE13674
CHAN10579
PIPE13669
CHAN10574
CHAN10568
CHAN10563
PIPE13800
CHAN10562
CHAN10569
CHAN10559
CHAN10557
CHAN10565
CHAN10560
CHAN10595
CHAN10577
CHAN10543
CHAN10578
CHAN10573
CHAN10564
CHAN10596
CHAN10594
CHAN10566
CHAN10542
CHAN10558
CHAN10561
CHAN10576
PIPE14158
CHAN10575
CHAN10626
PIPE13977
CHAN10787
CHAN10607
PIPE13976
PIPE14000
CHAN10627
CHAN10606
CHAN10625
CHAN10572
FLOW10047
PIPE13664
PIPE13665
PIPE13768
PIPE13666
PIPE13673
1390' 1390'
1380' 1380'
1360'
1360'
1350'
1350'
1340'
1340'
1330' 1330'
1320' 1320'
1310'
1310'
1300'
1300'
1290' 1290'
1280' 1280'
1270' 1270'
1250' 1250'
1240'
1240'
1230'
1230'
1220'
1220'
1210'
1210'
1200'
1200'
1190'
1190'
1180'
1180'
1170'
1170'
1160'
1160'
1150'
1150'
1260' 1260'
1140'
1140'
1130'
1130'
1110' 1110'
1100' 1100'
1090' 1090'
1080'
1080' 1210' 1210'
1200'
1200'
1190' 1190'
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'
1240'
1240'
1230' 1230'
1220' 1220'
1260'
1260'
1250' 1250'
1240' 1240'
1220'
1220'
1210'
1210'
1190'
1190'
1180' 1180'
1170' 1170'
1140' 1140'
1130' 1130'
1120'
1120'
1110' 1110'
1100' 1100'
1090'
1090'
1080'
1080'
1070'
1130'
1130'
1120' 1120'
1110' 1110'
1100' 1100'
1090' 1090'
1080' 1080'
1070'
1070'
1120' 1120'
1110' 1110'
1100' 1100'
1080'
1080'
1090'
1090'
1070'
1070'
1050' 1050'
1040' 1040'
1030' 1030'
1020' 1020'
1010'
1010'
1000' 1000'
1180'
1170'
1160'
1150'
1140'
1130' 1130'
1140'
1130'
1120'
1110'
1100'
1200'
1200'
1190'
1190'
1140' 1140'
1130'
1130'
1120'
1120'
1120'
1110'
1100'
1090'
1260'
1250'
1250'
1240'
1240'
980' 980'
970' 970'
960'
960'
970' 970'
960'
960'
950' 950'
1200' 1200'
1190'
1190'
1150'
1150'
1140'
1140'
1130' 1130'
1120' 1120'
1100' 1100'
1090' 1090'
1070' 1070'
1060' 1060'
1010'
1010'
1000'
990'
1240'
1240'
1230'
1230'
1150'
1140'
1100' 1100'
1090'
1090'
1040'
1040'
1030' 1030'
1010'
1010'
1000'
1000'
1020'
1020'
1010' 1010'
960' 960'
950' 950'
940'
940'
1400'
1400'
1370' 1370'
1230'
1230'
1140' 1140'
1060' 1060'
1060' 1060'
1060' 1060'
1180' 1180'
1230' 1230'
1150' 1150'
1080'
1080'
1010'
1010'
1210'
1200' 1200'
1200'
1130' 1130'
1100' 1100'
1070'
1020'
1020'
990'
1240'
1240'
1070'
1070'
1060'
1060'
OTLT10353

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 26
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 18
SEE SHEET 35
SEE SHEET 25SEE SHEET 27

AATTTTEEBBUURRYY RRDD

DDEEAADDWWOOOODD
DDRR

PRIVATE RD PRIVATE RD

VVAALLBBOORRGG
DD
RR
DETB10029
OTHR11655
OTHR11656
CHAN10595
CHAN10597
CHAN10600
CHAN10596
CHAN10598
CHAN10599
CHAN10787
CHAN10786
FLOW10048
FLOW10046
FLOW10047
1420' 1420'
1410' 1410'
1400' 1400'
1390' 1390'
1380' 1380'
1370'
1370'
1360'
1360'
1350' 1350'
1340'
1340'
1320' 1320'
1330' 1330'
1310' 1310'
1300' 1300'
1280' 1280'
1290' 1290'
1260'
1260'
1270' 1270'
1210'
1210'
1200' 1200'
1190'
1190'
1170' 1170'
1180' 1180'
1160' 1160'
1150'
1150'
1140' 1140'
1130' 1130'
1310' 1310'
1300' 1300'
1290'
1290'
1280'
1280'
1270'
1270'
1250' 1250'
1260' 1260'
1230' 1230'
1240' 1240'
1210' 1210'
1220' 1220'
1190' 1190'
1200' 1200'
1170' 1170'
1160' 1160'
1150' 1150'
1140' 1140'
1130' 1130'
1120' 1120'
1110' 1110'
1330'
1330'
1100'
1100'
1090' 1090'
1260' 1260'
1250'
1250'
1240' 1240'
1230' 1230'
1220' 1220'
1210'
1210'
1200'
1200'
1190' 1190'
1180' 1180'
1170'
1170'
1160'
1160'
1150'
1150'
1330'
1330'
1320' 1320'
1310'
1310'
1300' 1300'
1290' 1290' 1280'
1280'
1180'
1180'
1170'
1170'
1160'
1150'
1140'
1130'
1120'
1110'
1100' 1100'
1090' 1090'
1080'
1080'
1280' 1280'
1270' 1270'
1260' 1260'
1250'
1250'
1240' 1240'
1230' 1230'
1150'
1140'
1130'
1120'
1110'
1100'
1250' 1250'
1200'
1210' 1210'
1220' 1220'
1230' 1230'
1240' 1240'
1180' 1180'
1190' 1190'
1200'
1210'
1210'
1200'
1200'
1190'
1190'
1180'
1180'
1170' 1170'
1160' 1160'
1370'
1370'
1360' 1360'
1350' 1350'
1340' 1340'
1330' 1330'
1320' 1320'
1180' 1180'
1170'
1160'
1150' 1150'
1140' 1140'
1130'
1130'
1320'
1320'
1310'
1310'
1300'
1300'
1290'
1290'
1160' 1160'
1150' 1150'
1140' 1140'
1130' 1130'
1120'
1120'
1080'
1080'
1070' 1070'
1060' 1060'
1050' 1050'
1040'
1040'
1240' 1240'
1230' 1230'
1220'
1220'
1340' 1340'
1320' 1320'
1210' 1210'
1200' 1200'
1330'
1330'
1320' 1320'
1220' 1220'
1210' 1210'
1160'
1160'
1150'
1150'
1090' 1090'
1080'
1080'
1240' 1240'
1230' 1230'
1110'
1110'
1100'
1070' 1070'
1060' 1060'
1250'
1250'
1230' 1230'
1270'
1270'
1140'
1140'
1130'
1130'
1190'
1190'
1220' 1220'
1390' 1390'
1320'
1320'
1320' 1320'
1320'
1320'
1310'
1220'
1220'
1190'
1190'
1110'
1110'
1320'
1310' 1310'
1260'
1260'
1250' 1250'
1170' 1170'
1070' 1070'
1070' 1070'
1060'
1060' 1060'
1060'
1060'
1060' 1060'
1060'
1060'

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