San Marcos City Council
February 25, 2025

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 27
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 19
SEE SHEET 36
SEE SHEET 26SEE SHEET 28

PPRRIIVVAATTEE
RR
DD
1670'
1660'
1650' 1650'
1640'
1640'
1630'
1630'
1620'
1620'
1610'
1610'
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'
1350'
1340'
1330'
1320'
1310'
1300'
1290'
1280'
1270'
1260'
1250'
1240'
1230'
1220'
1210'
1200'
1200'
1180'
1170'
1160'
1150'
1140'
1130'
1120'
1110'
1100'
1090'
1080'
1070'
1060'
1050'
1040'
1640' 1640'
1630'
1630'
1620'
1620'
1610'
1610'
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'
1440' 1440'
1430' 1430'
1420'
1420'
1410'
1410'
1400'
1400'
1390'
1390'
1380'
1380'
1460' 1460'
1450' 1450'
1370' 1370'
1360' 1360'
1350' 1350'
1340' 1340'
1330' 1330'
1320' 1320'
1310' 1310'
1300' 1300'
1290'
1290'
1630'
1620'
1610'
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'
1390' 1390'
1380' 1380'
1370'
1360'
1350'
1350'
1320'
1320'
1310'
1300' 1300'
1290'
1290'
1340' 1340'
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'
1220' 1220'
1210'
1210'
1200' 1200'
1190'
1190'
1390'
1390'
1380'
1380'
1370'
1370'
1330'
1330'
1320' 1320'
1310' 1310'
1300' 1300'
1670'
1660'
1660'
1650'
1650'
1330' 1330'
1320'
1320'
1650'
1650'
1640'
1640'
1360' 1360'
1350' 1350'
1030' 1030'
1020' 1020'
1010'
1010'
1000'
990'
990'
1670'
1670'
1660' 1660'
1470' 1470'
1340'
1340'
1360'
1360'
1200'
1200'
1150'
1150'
1490' 1490'
1470' 1470'
1340' 1340'
1330'
1300' 1300'
980'

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 28
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 37
SEE SHEET 27

MMEEAADDOOWWLLAA RRKK RR AA NN CCHH CCRR

ANTLERS WY ANTLERS WY

FFILILOOLLII CCRR

BOARDACRES BOARDACRES

NORTHFORK NORTHFORK

DURANGO WY DURANGO WY

SKY CORRAL SKY CORRAL

CHEYENNE CHEYENNE

CAM VALENCIA CAM VALENCIA

CCOORRIINNTTIIAA SSTT

S RANCHO SANTA FE RD S RANCHO SANTA FE RD

RAWHIDE LN RAWHIDE LN

BOARDACRES BOARDACRES

XXAANNAA WWYY

FILOLI CR

GRANBY WY GRANBY WY

MEEAADDOOWLLAARRKK RRAANNCCHH CCRR

MEADOWLARK RANCH RD MEADOWLARK RANCH RD

TIMBER CREEK TIMBER CREEK

FFIILLOOLLIICCRR

CTE MORA CTE MORA

VVIAIA BBOORRRREEGGOOSS

VIA MARINERO

CHEYENNE CHEYENNE CHEYENNE CHEYENNE

CTE RAMON CTE RAMON

CALLE HIDALGO CALLE HIDALGO

FLATIRON FLATIRON

CCTTEE DDIEIEGGOO

VVIIAA MMAARRIIPPOOSSAA
CCAAMM
DDEE

AAMMIIGGOOSS

MMEELLRROOSSEE DDRR

MM EEAA DDOOWWLLAARRKK
RRAANN

CCHH LLNN

BBOOUULLDDEERRII

DDGGEEDDRR

CAMTO SUENO

VIA VERANO

PPAASSEEOO DDEELL VVIISSTTAA

PPAASSEEOO DDEELL VVIISSTTAA
CLEN10431
CLEN10433
INLT10198
CLEN10455
SEPR10006
OTHR10136
CBIN10615
OTHR10137
OTHR10138
CBIN10616
CLEN10456
CLEN10457
CBIN10617
CBIN10618
CBIN10619
CBIN10620
CLEN10477 CLEN10478 CLEN10479 CLEN10481
CLEN10482
CLEN10483
CBIN12271
CBIN12272
CBIN12274
PIPE12772
PIPE12758
PIPE12662
PIPE12761
PIPE12774
PIPE12599
PIPE12760
PIPE12690
PIPE12775
PIPE12670
PIPE12594
PIPE12633
PIPE12672
PIPE12773
PIPE12691
PIPE12680
PIPE12642
PIPE12600
PIPE12759
PIPE12790
PIPE12601
PIPE12603 PIPE12602
PIPE12651
PIPE12681
630'
630'
620'
620'
610' 610'
600' 600'
590' 590'
580'
580'
570'
570'
560'
560'
550'
540' 540'
530' 530'
520' 520'
510'
510'
500'
500'
490' 490'
480' 480'
470' 470'
460'
460'
450'
440' 440'
420'
400'
380' 380'
370'
370'
630' 630'
620' 620'
610' 610'
600'
600'
590'
590'
580'
580'
570' 570'
560' 560'
540'
540'
530' 530'
520' 520'
530'
530'
510'
510'
500'
500'
480'
480'
460'
460'
450'
450'
440'
440'
490'
490'
470'
470'
470'
460'
450'
440'
440'
430'
420'
410'
400' 400'
390' 390'
420' 420'
410' 410'
400' 400'
390'
390'
430' 430'
420' 420'
410' 410'
430' 430'
410' 410'
400' 400'
500'
500'
480'
480'
360'
360'
350'
350'
460'
460'
450'
450'
370'
360' 360'
640' 640'
430' 430'
410' 410'
390' 390'
380' 380'
430' 430'
380'
380'
420' 420'
530'
530'
510'
370' 370'
550' 550'
350' 350'
550' 550'
520'
520'
440' 440'
430' 430'
410' 410'
390'
390'
390'
390'
360' 360'
350'
350' 350'
410' 410'
400'
400'
390' 390'
390' 390'
CLEN11555
S.D. COUNTY S.D. COUNTY

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 29
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 20
SEE SHEET 38
SEE SHEET 30

SSKKYYCCOORRRRAALL

NORTHFORK NORTHFORK

LARAMIE WY LARAMIE WY

MELROSE DR

MELROSE DR

DIAMOND ST

DIAMOND ST

SKY POND LN SKY POND LN

GRANBY WY GRANBY WY
BB

OOUULLDDEERRIIDDGGEE DDRR

SSIILLVVEERRAADDOO SSTT

SPARROW LN SPARROW LN

MMAARRBBLLEELLNN

AACCCCEESSSS RRDD
CLEN10427
CBIN10587
CBIN10588
CBIN10589 CBIN10590
CLEN10429 CBIN10591
INLT10193
CLEN10432
INLT10194
CBIN10593
CLEN10434 CLEN10435 CBIN10594
CLEN10436
CBIN10595 INLT10195
CBIN10596 CBIN10597
CBIN10598
CLEN10438
CBIN10602
CLEN10443
CLEN10444
OTHR10133
OTHR10134
CLEN10445
CBIN10608
CLEN10446
CBIN10611
CLEN10448
INLT10208
CLEN10454
OTHR10141
OTHR10142
CLEN10469
CBIN12269
CBIN12270
PIPE12762
PIPE12606
PIPE12711
PIPE12709
PIPE12751
PIPE12561
PIPE12486
PIPE12475
PIPE12485
PIPE12557
PIPE12487
PIPE12480
PIPE12488
PIPE12706
PIPE12558
PIPE12481
PIPE12554
PIPE12556
PIPE12778
PIPE12632
PIPE12652
PIPE12644
PIPE12484
PIPE12566
PIPE12710
PIPE12559
PIPE12634
PIPE12563
PIPE12477
PIPE12579
PIPE12489
PIPE12560
PIPE12553
PIPE12790
PIPE12476
PIPE13607
PIPE12642
PIPE12528
PIPE13606
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'
560' 560'
550'
550'
540' 540'
530' 530'
520' 520'
510' 510'
500' 500'
490' 490'
480' 480'
470' 470'
460' 460'
450' 450'
630'
630'
620'
620'
610'
610'
600'
600'
590'
590'
580' 580'
570' 570'
560' 560'
550' 550'
540' 540'
510'
500' 500'
480'
480'
520' 520'
460'
460'
610'
610'
600' 600'
590'
590'
580' 580'
570' 570'
560' 560'
550' 550'
540' 540'
530' 530'
520'
520'
600' 600'
590'
590'
570'
570'
560'
560'
620'
620'
610' 610'
640'
630'
620'
610'
600'
600'
590'
590'
580' 580'
430' 430'
420' 420'
410' 410'
400' 400'
620'
620'
610' 610'
600'
600'
590'
590'
590'
590'
580' 580'
570' 570'
560' 560'
660' 660'
650' 650'
650' 650'
630' 630'
620'
610'
600' 600'
610'
610'
600'
600'
590'
580' 580'
420' 420'
410' 410'
400' 400'
640' 640'
630'
630'
580' 580'
570' 570'
560'
550'
540' 540'
530' 530'
520' 520'
510'
510'
510'
510'
500' 500'
470' 470'
460' 460'
720' 720'
710' 710'
510'
510'
520' 520'
450'
450'
440' 440'
390' 390'
380' 380'
390'
390'
380' 380'
570'
570'
440' 440'
430' 430'
420' 420'
400' 400'
440' 440'
390' 390'
620'
620'
660' 660'
640'
640'
630' 630'
490'
490'
700'
700'
550' 550'
440' 440'
440' 440'
420'
540'
540'
420'
420'
400' 400'
390'
390'
390'
390'
370'
370'
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 30
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 21
SEE SHEET 39
SEE SHEET 29SEE SHEET 31

GGLLEENNCCRREESSTTDDRR

SSTTAARRGG

AAZZEE CCTT

SAND DUNE WY

DDIAIAMOONNDD SSTT

PPRRIIVVAATTEE RRDD
CLEN10095
CLEN10121
CBIN10150
CLEN10446
CBIN10610 CLEN10447
INLT10207
CLEN10448
San Marcos Creek
PIPE12426
PIPE12588 PIPE12604
PIPE12389
PIPE12361
PIPE12481
PIPE12589
PIPE13606
1030' 1030'
1020'
1020'
1000' 1000'
990' 990'
980' 980'
970' 970'
960' 960'
950'
940'
940'
930'
920'
910'
900'
890'
890'
880' 880'
870' 870' 860' 860'
850' 850' 840'
840'
830' 830'
820'
810'
780' 780'
760'
750'
740'
740'
730' 730'
720'
720'
710'
710'
700' 700'
690'
690'
680' 680'
670'
670'
660'
650' 650'
640'
630'
620'
610' 610'
600' 600'
590'
580'
570'
560'
550'
540' 540'
530' 530'
520'
510'
500' 500'
490' 490'
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'
790'
800'
800'
780'
790'
770' 770'
780'
750'
760' 760'
740'
750'
730'
740'
720' 720'
730'
700'
710'
710'
690' 690'
700'
680' 680'
670' 670'
660' 660'
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'
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'
650' 650'
630' 630'
640'
640'
610' 610'
620'
620'
590'
600' 600'
580' 580'
590'
560'
570' 570'
550' 550'
560'
540' 540'
530' 530'
520'
520'
510' 510'
590' 590'
580' 580'
570' 570'
560' 560'
550'
550'
540'
540'
530'
530'
510' 510'
520'
500'
500'
490'
590'
590'
580'
580'
570' 570'
560'
560'
570' 570'
560' 560'
550' 550'
540' 540'
570'
570'
560'
560'
550' 550'
540'
540'
530' 530'
520' 520'
650'
650'
640' 640'
630'
630'
620'
610'
620'
620'
610'
610'
600' 600'
530' 530'
520' 520'
540'
540'
530'
530'
520' 520'
480'
480'
470' 470'
810'
800' 800'
680'
670'
670' 670'
660' 660'
650' 650'
640'
640'
550'
550'
560'
560'
460' 460'
450' 450'
440' 440'
430' 430'
1040' 1040'
1050' 1050'
790' 790'
770' 770'
480' 480'
470' 470'
540'
540'
530'
520' 520'
510'
510'
670' 670'
550'
550'
950'
950'
460'
460'
600'
600'
570' 570'
550'
550'
530' 530'
530'
510'
510'
510' 510'
920' 920'
540'
540'
450'
450'
450'
430' 430'
430'
430'
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 31
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 22
SEE SHEET 40
SEE SHEET 30SEE SHEET 32

GGLLEENNCCRREESSTT
DDRR

PPRRIVIVAATTEERRDD

MMIISSTTYY
SSEEAA
WWYY

LLIIGGHHTTHHOOUUSSEE RRDD

KKININGGSSPPOORRTTWWYY

SSCCHHOOOOLLHHOOUUSSEEWWYY

PPRRIIVVAATT EE RR DD
CLEN10062
OTHR10014
CLEN10094
CLEN10103
OTHR10024
CLEN10121
CLEN10122
OTHR10029
CLEN10123
OTHR10030
CLEN10131
CLEN10132
CLEN10133
CLEN10134
CLEN10135
CLEN10137
CLEN10138
CLEN10144
INLT10049
CBIN10148
CLEN10150
CLEN10151
CLEN10152 CLEN10153
CLEN10155 OTHR10035
INLT10055
OTHR10036
CLEN10194
INLT10070
INLT10083
CBIN10223
OTHR10062
INLT11167
INLT11168
OTHR10790
INLT11169
OTHR11597
PIPE12430
DTCH10323
PIPE12372
PIPE13472
PIPE12341
DTCH10317
DTCH10322
PIPE12446
PIPE12441
DTCH10278
PIPE12397
PIPE12416
PIPE12389
PIPE12361
PIPE13469
PIPE12435
DTCH10321
DTCH10326
DTCH10325
DTCH10318
DTCH10324
DTCH10327
DTCH10320
DTCH10319
DTCH10328
PIPE12328
PIPE12436
PIPE13394
PIPE12395
PIPE12403
PIPE13470
PIPE12360
PIPE12388
PIPE12443
PIPE12437
PIPE12404
PIPE12393
PIPE12415
PIPE13604
PIPE13473
PIPE13471
PIPE12348
PIPE12394
PIPE12406
DTCH10280
1300' 1300'
1290'
1290'
1280'
1270'
1270'
1260'
1260'
1250' 1250'
1240'
1240'
1230'
1230'
1220'
1220'
1210'
1200'
1190'
1160' 1160'
1150' 1150'
1130'
1120'
1110'
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' 940'
900' 900'
890' 890'
860' 860'
850' 850'
840' 840'
830' 830'
820'
820'
810' 810'
800' 800'
790' 790'
770' 770'
760' 760'
750' 750'
1170'
1170'
1140'
1140'
950'
930'
920'
910'
880'
880'
870'
870'
740' 740'
730'
1170'
1170'
1160' 1160'
1150'
1140'
1140'
1120'
1120'
1110'
1110'
1100' 1100'
1090' 1090'
1070' 1070'
1060'
1060'
1050'
1050'
1040'
1040'
1030' 1030'
1020' 1020'
1010' 1010'
1000'
990'
980'
970'
960'
950' 950'
940'
930'
920' 920'
910'
900'
880'
1180'
1180'
1130' 1130'
1080' 1080'
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'
1040'
1040'
1030'
1030'
1020' 1020'
1010' 1010'
1080'
1070'
1000'
1000'
990'
1160' 1160'
1150'
1150'
1140'
1140'
1130'
1130'
1120'
1120'
1110'
1110'
1100' 1100'
1090' 1090'
1080' 1080'
1070'
1070'
1060' 1060'
1050' 1050'
1170'
1180' 1180'
1170'
850'
850'
840'
840'
830'
830'
820'
810'
800' 800'
790'
790'
780'
770' 770'
760' 760'
740' 740'
1250'
1240'
1230'
1220'
1210'
1200'
1190'
1180'
1180' 1180'
1170' 1170'
1160' 1160'
1150' 1150'
1140'
1140'
1130'
1130'
1120' 1120'
1110'
1110'
1210'
1210'
1200'
1200'
1190'
1190'
1180' 1180'
1170' 1170'
1160'
1160'
1150' 1150'
1140' 1140'
1070'
1070'
1060'
1060'
1050' 1050'
1040'
1040'
1030'
1030'
1020'
1020'
1010'
1010'
1000' 1000'
990'
990'
980'
980'
970'
970'
960' 960' 1020'
1020'
1010' 1010'
1080' 1080'
1070'
1070'
1060'
1060'
1050'
1050'
1080'
1080'
1060' 1060'
1070' 1070'
1060' 1060'
1050'
1050'
1080' 1080'
1070'
1060'
1050'
1050'
1270' 1270'
1260'
1260'
1040' 1040'
1030' 1030'
860' 860'
850' 850'
1060' 1060'
1050' 1050'
700'
690'
680'
970' 970'
960' 960'
860'
860'
850'
850'
780'
780'
720'
720'
710'
710'
1190'
1190'
870' 870'
860'
860'
850' 850'
1060' 1060'
1050'
1050'
1040' 1040'
1030'
1030'
860'
1100'
1050'
1050'
870' 870'
1130'
1130'
870' 870'
850' 850'
750' 750'
750' 750'
1210' 1210'
1200' 1200'
1160'
1160'
1120'
910'
860'
860'
720'
720'
710' 710'
680'
680'
670'
670'

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 32
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 23
SEE SHEET 41
SEE SHEET 31SEE SHEET 33

TTUUCCAANNAA DDRR

RUBY CT RUBY CT

WWILILDDCCAANNYYOONNDDRR

VVEEGGAA WWYY
PPEEAA

RRLL DDRR

PAVO CT

PAVO CT

PPEEAARRLL
DDRR

QQUUAARRTTZZ CCTT
CLEN11099
CLEN11100 CLEN11102
CBIN11554
CBIN11555
CLEN11103
CLEN11104
CBIN11556
CLEN11105
CLEN11106
CBIN11558
CBIN11560
CLEN11107
CLEN11108 CLEN11109
CLEN11110
CLEN11111
CLEN11112
CLEN11120
CBIN11573
OTHR10461
CBIN11574
CBIN11575
CBIN11576 CLEN11122
CBIN11577
CLEN11123
CLEN11124
CLEN11125
INLT10749
CBIN11578
CBIN11579
CBIN11580
CLEN11126
OTHR10464
CLEN11138 CLEN11139
OTHR11186
PIPE14069
PIPE14110
PIPE14066
PIPE14081
PIPE14106
PIPE14063 PIPE14068
PIPE14102
CHAN10518
PIPE14111
PIPE14105
PIPE14079
PIPE13932
PIPE14056
PIPE13938
PIPE14087
CHAN10609
PIPE14078
PIPE14060
PIPE14086
PIPE14076
PIPE14082
PIPE14107
PIPE13937
PIPE13936
PIPE13935
PIPE14033
PIPE14088
PIPE14055
PIPE13930
PIPE13933
PIPE14108
PIPE14080
PIPE13931
PIPE14061
PIPE14064
PIPE14077
PIPE13929
PIPE13934
1330' 1330'
1320'
1320'
1310' 1310'
1300' 1300'
1290' 1290'
1280' 1280'
1270' 1270'
1260' 1260'
1250' 1250'
1230'
1230'
1240'
1240'
1220'
1220'
1210'
1210'
1200'
1200'
1190'
1190'
1180' 1180'
1170'
1170'
1160'
1160'1150' 1150'
1140' 1140'
1130' 1130'
1120' 1120'
1100'
1100'
1110'
1110'
1090' 1090'
1070' 1070'
1080'
1080'
1060' 1060'
1050' 1050'
1040' 1040'
1340'
1340'
1330' 1330'
1320' 1320'
1310' 1310'
1300' 1300'
1290'
1290'
1280'
1280'
1250' 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'
1270' 1270'
1260' 1260'
1250'
1250'
1240' 1240'
1230'
1230'
1220' 1220'
1210'
1210'
1200'
1200'
1190'
1190'
1180' 1180'
1170'
1170'
1160' 1160'
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'
1190' 1190'
1170' 1170'
1160' 1160'
1150' 1150'
1140' 1140'
1210' 1210'
1200' 1200'
1310' 1310'
1300' 1300'
1290'
1280'
1280'
1320'
1320'
1300'
1300'
1290'
1290'
1180'
1180'
1170'
1150' 1150'
1140' 1140'
1140'
1140'
1130' 1130'
1070'
1070'
1060'
1060'
1340' 1340'
1330'
1330'
1280'
1270'
1170' 1170'
1160' 1160'
1210' 1210'
1200' 1200'
1200' 1200'
1210' 1210'
1130' 1130'
1120'
1120'
1100' 1100'
1110' 1110'
1090'
1090'
1080'
1080'
1030' 1030'
1020' 1020'
1270' 1270'
1260'
1260'
1190' 1190'
1270'
1270'
1190'
1190'
1080' 1080'
1340'
1310'
1310'
1280'
1280'
1270'
1170' 1170'
1160' 1160'
1290' 1290'
1250'
1250'
1250'
1240'
1240'
1190' 1190'
1170' 1170'
1170'
1170'
1120'
1120'
1050'
1050'

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 33
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 24
SEE SHEET 42
SEE SHEET 32SEE SHEET 34

PEARL DR

TTUUCCAANNAA DDRR

VVEEGGAA WWYY

TTUUCCAANNAA
DDRR

LEDGE ST

PAVO CT PAVO CT

TTUUCCAANNAA DDRR

LYRA LN LYRA LN

PPEEAARRLL DDRR
DDOOUU
BBLLEE

PPEE AA KK
DDRR

HHAAILILEEYY CCTT

DOUBLE PEAK DR DOUBLE PEAK DR

CCAANNNNOONNDDAALLEE CCTT

JJAASSPPEERR CCTT

FESTIVAL RD FESTIVAL RD

CCOOSSTTAA DDEELL SSUURR
CLEN11111
CLEN11113
INLT10746
CLEN11115
CBIN11564
CLEN11116
CBIN11567
CBIN11569
CLEN11117
CLEN11118 CBIN11571 CLEN11119 INLT10747
CLEN11120
CBIN11581
CLEN11127
CBIN11583
CBIN11585
CBIN11587
CBIN11589 CBIN11591
CLEN11128
CLEN11129
CLEN11130
CLEN11131
CBIN11595
INLT10753
CLEN11132
CLEN11135
CLEN11136
CLEN11137
CBIN11628
CBIN11629
INLT10762
OTHR10466
INLT10767
CLEN11161
CBIN11642
INLT10768
CLEN11162
CBIN11645
CBIN11647
PIPE14100
PIPE14043
PIPE14103
PIPE13981
PIPE14041
PIPE14096
PIPE14104
PIPE13974
PIPE13973
PIPE14079
PIPE14054
PIPE14047
PIPE14044
PIPE13975
PIPE14093
PIPE14102
PIPE14067
PIPE14029
PIPE14105
PIPE14092
PIPE13966
PIPE14056
PIPE14027
PIPE14038
PIPE14040
PIPE14048
PIPE14032
PIPE14028
PIPE13967
PIPE14039
PIPE14049
PIPE14030
PIPE14045
PIPE14031
PIPE13984
PIPE13965
PIPE14026
PIPE13960
PIPE14046
PIPE14025
PIPE14051
PIPE14052
PIPE14050
1460'
1450'
1440' 1440'
1430'
1420' 1420'
1400'
1390'
1380'
1380'
1370'
1370'
1360'
1360'
1350'
1340'
1330'
1330'
1320'
1310'
1310'
1300'
1300'
1290' 1290'
1280'
1270'
1260'
1250'
1240'
1230'
1230'
1220'
1210' 1210'
1200' 1200'
1190' 1190'
1180' 1180'
1170' 1170'
1380'
1380'
1370' 1370'
1360'
1350'
1340'
1340'
1330'
1320'
1310' 1310'
1300'
1290'
1280'
1270'
1260'
1250'
1440'
1440'
1430'
1430'
1420'
1420'
1410'
1410'
1400' 1400'
1390' 1390'
1380'
1380'
1370' 1370'
1360'
1360'
1350'
1350'
1340' 1340'
1330'
1330'
1450' 1450'
1440'
1440'
1430' 1430'
1420' 1420'
1410' 1410'
1400'
1400'
1390'
1390'
1380'
1380'
1120' 1120'
1110'
1110'
1100' 1100'
1090' 1090'
1080' 1080'
1070'
1070'
1340'
1340'
1330' 1330'
1320' 1320'
1310'
1310'
1300'
1300'
1270'
1260'
1550' 1550'
1540'
1540'
1530'
1530'
1520'
1520'
1510'
1510'
1500' 1500'
1490'
1490'
1480'
1480'
1470'
1470'
1240'
1240'
1230' 1230'
1200' 1200'
1190' 1190'
1180' 1180'
1170' 1170'
1490' 1490'
1480'
1480'
1360'
1360'
1350'
1350'
1320'
1310'
1310'
1300'
1240'
1240'
1230'
1230'
1210'
1210'
1200'
1200'
1550' 1550'
1540' 1540'
1510'
1510'
1500' 1500'
1220'
1210' 1210'
1170'
1170'
1160'
1160'
1410' 1410'
1150' 1150'
1140' 1140'
1130'
1130'
1120'
1120'
1220' 1220'
1060'
1060'
1460' 1460'
1470'
1470'
1500' 1500'
1230'
1230'
1230' 1230'
1500' 1500'
1440'
1440'
1420' 1420'
1210' 1210'
1160' 1160'
1080' 1080'
1160' 1160'

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 34
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 25
SEE SHEET 43
SEE SHEET 33SEE SHEET 35

VVAANNEESSSSAAWWYY

LEDGE ST LEDGE ST

LLAAUU RREENN PPLL

SSAANN EELLII

JJOORRDD

JASPER CT

DDOOUUBBLLEEPPEEAAKK
DDRR
CLEN10038
CLEN10056
CBIN10074
CBIN10075
CBIN11601
CBIN11647
CBIN11649
INLT10769
CLEN11165
CLEN11166 CBIN11652
CBIN11653
CBIN11654 CLEN11167
CLEN11168
INLT10770
INLT10771
CLEN11169
INLT10772
CBIN11655 CLEN11170
CBIN11658
CLEN11171
CBIN11660 OTHR10467
CLEN11172
CBIN11661
PIPE13954
PIPE13956
PIPE13962
PIPE13970
PIPE13946
PIPE13942
PIPE13670
PIPE13960
PIPE13961
CHAN10593
PIPE13955
PIPE13663
PIPE13979
PIPE13968
CHAN10592
CHAN10591
PIPE14158
CHAN10624
PIPE13959
PIPE13980
PIPE14092
PIPE13963
PIPE13972
PIPE13943
PIPE13976
PIPE13951
PIPE13944
PIPE13957
PIPE13958
PIPE13662
PIPE14185
PIPE13964
1530'
1530'
1520'
1520'
1510' 1510'
1500' 1500'
1490'
1490'
1480'
1480'
1470' 1470'
1460'
1460'
1450'
1450'
1440'
1430'
1420'
1420'
1410'
1400'
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'
1190' 1190'
1180'
1180'
1170'
1170'
1160'
1160'
1150' 1150'
1110'
1100'
1090'
1090'
1080' 1080'
1070' 1070'
1060'
1060'
1050'
1050'
1040'
1040' 1030' 1030'
1020'
1020'
1010'
1010'
1000'
1000'
990'
990'
980' 980'
960' 960'
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'
1330'
1320'
1310'
1300'
1290'
1280'
1280'
1270'
1260'
1250'
1240'
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'
1540'
1540'
1530' 1530'
1520' 1520'
1510' 1510'
1500'
1500'
1490'
1490'
1480' 1480'
1470'
1470'
1460' 1460'
1450'
1450'
1340' 1340'
1330' 1330'
1320'
1320'
1310'
1310'
1300'
1300'
1270'
1270'
1260' 1260'
1250' 1250'
1210'
1210'
1200'
1200'
1180'
1180'
1170' 1170'
1160' 1160'
1150'
1150'
1140' 1140'
1130' 1130'
1120' 1120'
1620'
1620'
1610'
1610'
1590' 1590'
1580' 1580'
1570' 1570'
1560' 1560'
1550' 1550'
1310'
1310'
1300'
1300'
1290'
1290'
1280'
1280'
1270'
1270'
1260'
1260'
1250'
1250'
1240'
1240'
1090'
1090'
1080'
1080'
1070'
1070'
1060' 1060'
1050' 1050'
1110' 1110'
1100' 1100'
1540' 1540'
1530'
1530'
1520'
1520'
1510'
1510'
1500' 1500'
1520' 1520'
1500' 1500'
1480' 1480'
1390' 1390'
1380' 1380'
1370' 1370'
1360' 1360'
1350' 1350'
1320' 1320'
1310' 1310'
1300' 1300'
1290' 1290'
1500' 1500'
1490' 1490'
1310' 1310'
1300' 1300' 1290'
1290'
1300'
1300'
1290' 1290'
1280' 1280'
1270' 1270'
1260' 1260'
1080'
1080'
1070'
1070'
1060' 1060'
1510' 1510'
1490'
1500' 1500'
1490' 1490'
1340'
1340'
1330'
1330'
1240' 1240'
1230'
1230'
1230'
1230'
1220'
1220'
1100'
1090'
1620'
1620'
1630'
1630'
1500'
1500'
1490' 1490'
1540'
1540'
1530' 1530'
1220' 1220'
1210' 1210'
1200'
1200'
1140' 1140'
1130' 1130'
1120' 1120'
970' 970'
1220' 1220'
1240'
1240'
1230' 1230'
1190'
1190'
1600' 1600'
1140'
1140'
1100' 1100'
1280'
1280'
1250'
1250'
1090' 1090'
1540' 1540'
1510' 1510'
1210'
1210'
1540' 1540'
1490' 1490'
1380' 1380'
1370' 1370'
1370'
1370'
1330'
1330'
1270' 1270'
1250'
1250'
1250' 1250'
1110'
1110'
950' 950'
1270'
1270'

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 35
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 26
SEE SHEET 44
SEE SHEET 34SEE SHEET 36

AATTTTEEBBUURRYYRRDD

DUNCAN CT

DUNCAN CT

PRIVATE RD PRIVATE RD

PPRRIIVVAATTEE
RR DD

LENA CT LENA CT

SSAANN EELLIIJJOO RRDD

SSTTWWININ

OOAAKKSSVVAALLLLEEYY
RRDD
INLT10325
OTLT10057
CBIN10893
CLEN10665 INLT10326
CLEN10666 CBIN10894 CBIN10895
OTLT10058
CLEN10667
CBIN10896
CLEN10669
INLT10327
CBIN10897
CBIN10898
CLEN10671
CBIN11028
CBIN11029
CLEN10731
OTHR10468
CLEN11176
CBIN11670
CBIN11671
CBIN11673
OTHR11612
CLEN11173
INLT10773
INLT10774
CBIN11663
CLEN11174
CBIN11664
CBIN11665
CBIN11666
CBIN11667
CLEN11175
CBIN11668
CBIN11669
INLT10775
OTHR11187
OTHR11654
PIPE12918
PIPE13947
PIPE13950
PIPE13941
PIPE13939
PIPE13948
PIPE13942
PIPE13052
PIPE12878
PIPE12853
PIPE12855
PIPE12856
PIPE13953
PIPE13047
PIPE12858
PIPE12917
PIPE12857
PIPE13049
PIPE12877
DTCH10417
DTCH10414
DTCH10358
DTCH10413
DTCH10415
DTCH10416
DTCH10418
DTCH10419
DTCH10412
CHAN10624
PIPE13051
PIPE13048
DTCH10359
CHAN10623
PIPE13951
PIPE13949
PIPE13945
PIPE13952
PIPE12867
PIPE12875
PIPE12868
PIPE14183
PIPE12876
PIPE12916
PIPE12882
PIPE13940
PIPE12865
PIPE14184
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'
1090' 1090'
1080' 1080'
1070'
1070'
1060'
1060'
1050' 1050'
1040' 1040'
1030' 1030'
1100'
1100'
1020'
1020'
1010'
1010'
1000'
1000'
990'
990'
980' 980'
970'
970'
960'
960'
1180' 1180'
1170' 1170'
1160' 1160'
1150' 1150'
1120'
1120'
1090' 1090'
1100' 1100'
1070' 1070'
1080' 1080'
1050' 1050'
1060' 1060'
1040' 1040'
1020'
1020'
1010' 1010'
1000' 1000'
990' 990'
980' 980'
960'
960'
970' 970'
950'
950'
910' 910'
900' 900'
890'
890'
1210'
1210'
1200' 1200'
1140' 1140'
1130'
1130'
1030'
1030'
940'
940'
930'
930'
920'
920'
1350' 1350'
1330' 1330'
1340' 1340'
1320' 1320'
1300' 1300'
1310' 1310'
1270'
1280' 1280'
1290'
1290'
1250'
1260' 1260'
1270'
1240' 1240'
1250'
1210'
1220' 1220'
1230' 1230'
1200'
1210'
1190' 1190'
1200'
1170'
1170'
1180' 1180'
1090'
1090'
1080'
1070'
1070'
1060'
1050' 1050'
1040'
1030'
1030'
1020'
1010'
1000' 1000'
990'
970'
960' 960'
950'
1130' 1130'
1120'
1120'
1110'
1110'
1100'
1100'
1080'
1080'
1050' 1050'
1090'
1090'
1060' 1060'
1040'
1040'
1030'
1030'
1020' 1020'
1080' 1080'
1070' 1070'
1060'
1060'
1050'
1050'
1040' 1040'
1030'
1030'
1100' 1100'
1090'
1090'
1010'
1000'
1000'
1200'
1200'
1190' 1190'
1180' 1180'
1170'
1170'
1160'
1160'
1150'
1150'
1170'
1170'
1150'
1160' 1160'
1140' 1140'
1150'
1130' 1130'
1120'
1120'
1210' 1210'
1200'
1200'
1190' 1190'
1180'
1180'
1170'
1170'
1160'
1160'
1180'
1160'
1150'
1150'
1140' 1140'
1130'
1230'
1230'
1220' 1220'
1210' 1210'
1200' 1200'
1110'
1100'
1090'
1010'
1010'
1000'
1000'
1190'
1190'
1180' 1180'
1160'
1160'
1150'
1150'
1140' 1140'
1130'
1130'
1120'
1120'
930'
930'
920'
920'
910' 910'
900'
900'
1160'
1150'
1140'
1150' 1150'
1140'
1140'
1150' 1150'
1140'
1140'
1120'
1120'
1110' 1110'
1030'
1030'
1020' 1020'
1010'
1010'
1000' 1000'
920' 920'
910'
910'
1220' 1220'
1210' 1210'
1210' 1210'
1200' 1200'
1190'
1190'
1180' 1180'
1170' 1170'
1180'
1170'
1170' 1170'
1160' 1160'
1110' 1110'
1100'
1100'
1030' 1030'
1020' 1020'
930'
930'920' 920'
920' 920'
910'
910'
1140'
1140'
1130' 1130'
950'
950'
940' 940'
930' 930'
1110' 1110'
880'
1160'
980'
980'
940' 940'
1170' 1170'
1100' 1100'
1050' 1050'
1020' 1020'
1210'
1180'
1180'
1180' 1180'
1170' 1170'
1110' 1110'
1040' 1040'
1200'
1200'
1140'
1000'
890' 890'
1190' 1190'

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 36
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 45
SEE SHEET 35SEE SHEET 37

PPRRIIVVAATTEE RRDD

AATTTTEEBBUURRYY RRDD

WWAASSHHIINNGGTTOONN IIAA
DD
RR

INDIAN RIDGE RD

AATTTTEEBBUURRYY
RRDD
1730'
1720'
1720'
1710'
1710'
1700' 1700'
1690'
1680'
1670'
1670'
1660'
1650'
1640'
1630'
1620'
1610'
1600'
1590'
1580'
1570'
1560'
1550'
1540'
1540'
1530'
1530'
1520'
1510'
1500'
1500'
1490'
1490'
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'
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'
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'
1450' 1450'
1440'
1440'
1430'
1430'
1420'
1420'
1410'
1410'
1400'
1400'
1390' 1390'
1380' 1380'
1360' 1360'
1310'
1310'
1370'
1370'
1350'
1350'
1340'
1340'
1330' 1330'
1320' 1320'
1520'
1520'
1510' 1510'
1500' 1500'
1490'
1480'
1470'
1460'
1450' 1450'
1510'
1510'
1500'
1500'
1490' 1490'
1480' 1480'
1470' 1470'
1460' 1460'
1450' 1450'
1440'
1440'
1600'
1600'
1590'
1580' 1580'
1560'
1560'
1550' 1550'
1600' 1600' 1590' 1590'
1550'
1550'
1420'
1420'
1430'
1430'
1410'
1410'
1400'
1400'
1220' 1220'
1210' 1210'
1200' 1200'
1190' 1190'
1180' 1180'
1170' 1170'
1530'
1530'
1520'
1520'
1510'
1510'
1500' 1500'
1490'
1490'
1510'
1510'
1500'
1500'
1490' 1490'
1480'
1480'
1490'
1490'
1480'
1480'
1480'
1470'
1460'
1570' 1570'
1560' 1560'
1550' 1550'
1550' 1550'
1540' 1540'
1510' 1510'
1500'
1500'
1390' 1390'
1380'
1380'
1310' 1310'
1300' 1300'
1290' 1290'
1260' 1260'
1250'
1250'
1240' 1240'
1230' 1230'
1610' 1610'
1600'
1540'
1540'
1530'
1530'
1160' 1160'
1150' 1150'
1140'
1140'
1130'
1130'
1530' 1530'
1520'
1520'
1380'
1370'
1370'
1300' 1300'
1290' 1290'
1470'
1470'
1270' 1270'
1580'
1580'
1560'
1560'
1590' 1590'
1570' 1570'
1520' 1520'
1330' 1330'
1560'
1560'
1520' 1520'
1340'
1280'
1280'
1200' 1200'

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 37
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 28
SEE SHEET 46
SEE SHEET 36

CAM VALENCIA CAM VALENCIA

CTE YOLANDA CTE YOLANDA

CTE REAL

MMEEAADDOOWWLLAARRKKRRAANNCCHHCCRR
SS RR

AANN CCHH OO
SS

AANN TTAA FFEE
RRDD
KKII

NNGGLLEETT RRDD
CC
AA

MM DDEE AAMMIIGGOOSS

PPAASSEEOO CCEERRRROO
CCTTEE

EEDD UUAARRDDOO

CAM MICHELLE

CAM MICHELLE

CCTT EE AADDAALLIINNAA
CCAA

MM PPUUEENNTTEE LLNN

REDWING ST REDWING ST
VVI

IAA DDEELL CCOORRVVOO

AALLGGAA RRDD

MELROSE DR

TTOOWWHHEEEESSTT
MMEEAADDOOWWLLAARRKKRRAANNCCHH LLNN CLEN11521
CBIN12044
CBIN12047
INLT11154
INLT11155
OTHR10786
INLT11247
PIPE13382
PIPE13381
PIPE13378
PIPE13383
PIPE13380
780'
780'
770' 770'
750' 750'
740'
740'
730'
720'
710'
710'
700' 700'
690' 690'
680'
680'
670'
660'
660'
650' 650'
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'
760'
760'
490'
490'
480' 480'
470' 470'
710' 710'
700'
700'
690'
690'
670'
670'
680' 680'
650'
650'
660'
660'
640'
640'
630'
630'
610' 610'
620' 620'
590' 590'
600' 600'
570' 570'
580' 580'
550' 550'
560' 560'
540' 540'
520' 520'
530' 530'
510' 510'
500'
500'
480' 480'
490' 490'
470' 470'
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'
700' 700'
680'
680'
670' 670'
660' 660'
650'
650'
640' 640'
630' 630'
690' 690'
620'
620'
540'
540'
530' 530'
520'
520'
510' 510'
490' 490'
480' 480'
470'
470'
460' 460'
760'
760'
750'
740'
740'
730'
720'
540'
710' 710'
540'
530'
530'
520'
520'
510' 510'
500' 500'
490' 490'
510' 510'
500' 500'
490'
490'
480' 480'
470' 470'
750' 750'
740' 740'
730'
730'
720' 720'
510'
510'
500' 500'
490' 490'
480' 480'
470' 470'
750'
750'
740'
740'
730'
730'
680' 680'
670' 670'
660' 660'
540' 540'
530' 530'
520' 520'
510'
510'
500' 500'
410'
410'
400' 400'
640' 640'
460'
450' 450'
440'
440'
430' 430'
420'
420'
700'
700'
760' 760'
660'
660'
780' 780'
770'
770'
770'
700' 700'
690'
690'
690' 690'
670'
670'
640' 640'
640' 640'
640' 640'
630'
630'
520'
520'
510' 510'
460' 460'
390'
390'
390'
420'
420'
OTHR11751
CBOL10007
S.D. COUNTY S.D. COUNTY

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 38
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 29
SEE SHEET 48
SEE SHEET 39
CCAAMM
DD

EELL AARRRROOYYOO
DDRR

PLAYA VISTA PLAYA VISTA

CCUUAADDRROOVVIISSTTAA

VVIIAA DDEELL CCOORRVVOO

VVIIAA AALLLLOONNDDRRAA
760' 760'
750' 750'
740'
740'
730' 730'
720' 720'
710' 710'
700'
700'
690'
690'
680'
680'
670' 670'
660'
650' 650'
640' 640'
630'
630'
620'
620'
610' 610'
600' 600'
590'
590'
580'
580'
570' 570'
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'
750'
750'
740'
740'
730'
730'
720'
720'
710'
710'
700'
700'
690'
690'
680'
680'
670'
670'
660' 660'
650' 650'
720' 720'
710' 710'
700'
700'
690'
690'
680' 680'
670' 670'
660'
660'
650' 650'
630' 630'
620'
620'
610'
610'
600' 600'
700' 700'
690'
680'
670'
660'
660'
650' 650'
640'
640'
630' 630'
620'
620'
710'
710'
700' 700'
690' 690'
680' 680'
670' 670'
660' 660'
650'
650'
640'
640'
630' 630'
620'
620'
680' 680'
670'
670'
660'
660'
650' 650'
640' 640'
630' 630'
620'
620'
780' 780'
770' 770'
760' 760'
750'
750'
740'
740'
730' 730'
730'
730'
720'
720'
710'
710'
700'
700'
690' 690'
660' 660'
680'
680'
670'
670'
680' 680'
670' 670'
660'
660'
650' 650'
640'
640'
760' 760'
750'
750'
740'
730' 730'
720' 720'
720'
720'
710'
700'
690'
650' 650'
640' 640'
630' 630'
620'
620'
700' 700'
690' 690'
680' 680'
670'
670'
680' 680'
670' 670'
660'
660'
650'
650'
640' 640'
630'
630'
810'
810'
800'
800'
790'
790'
780' 780'
750'
750'
740'
740'
730' 730'
720'
720'
710'
710'
700' 700'
650'
640' 640'
560'
560'
550'
550'
540' 540'
720' 720'
710'
710'
700' 700'
690' 690'
670'
670'
660' 660'
640' 640'
630'
620'
780' 780'
770'
770'
550' 550'
540'
540'
770'
770'
720' 720'
770' 770'
690' 690'
770'
760' 760'
730'
690'
690'
620' 620'
780' 780'
760'
760'
720'
720'
720' 720'
690' 690'
690' 690'
680'
680'
670'
670'
640'
640'
640' 640'
620'
620'
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 39
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 30
SEE SHEET 49
SEE SHEET 38SEE SHEET 40

CCAAMM DDEELL AARRRROOYYOO DDRR

PPRRIIVVAATTEE RRDD

PPRRIIVVAATT EE RRDD
990'
990'
980'
980'
960' 960'
970' 970'
950' 950'
920' 920'
930' 930'
900'
900'
910'
910'
890'
890'
880' 880' 870'
860'
850'
840'
820'
830'
830'
810'
820'
800' 800'
810'
770'
780' 780'
790' 790'
760' 760'
770'
750'
750'
730'
740'
720'
730'
720' 710' 700'
690'
670' 670' 660' 660'
650'
620'
630'
640'
640'
600'
600' 610'
610'
560'
570' 570'
580' 580'
550'
560'
540'
540'
550'
520' 520'
530'
530'
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'
730' 730'
720' 720'
710' 710'
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'
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'
680' 680'
670' 670'
660' 660'
650'
650'
640'
640'
730'
730'
720'
720'
700'
690'
680'
660'
650'
650'
640'
630'
620'
710'
710'
670' 670'
750' 750'
740'
740'
730' 730'
720' 720'
710' 710'
700'
700'
690'
690'
680'
680'
670'
670'
660'
660'
650'
650'
600'
590'
590'
580'
570' 570'
560'
560'
630'
630'
620' 620'
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'
720'
720'
710' 710'
700' 700'
690' 690'
680' 680'
670' 670'
710'
710'
700' 700'
690'
690'
680'
680'
670' 670'
660'
660'
640' 640'
650'
650'
660'
660'
630' 630'
610' 610'
620' 620'
640'
640'
630' 630'
620'
620'
610'
610'
600' 600'
600'
600'
590'
590'
580'
580'
570' 570'
560' 560'
580'
580'
570'
570'
700' 700'
690'
690'
680'
680'
670'
670'
660'
660'
650'
650'
600' 600'
590' 590'
600' 600'
590' 590'
580'
580'
570'
570'
770'
780'
780'
770'
690'
690'
680'
680'
580' 580'
570' 570'
560'
560'
570'
570'
1050' 1050'
1040' 1040'
1030' 1030'
1010'
1010'
1000' 1000'
940' 940'
680'
680'
590' 590'
510' 510'
760'
760'
760' 760'
750' 750'
740' 740'
640'
640'
610'
710'
710'
670' 670'
730'
730'
990'
990'
760' 760'
760'
760'
760'
760'
730' 730'
690'
690'
670' 670'
660'
650' 650'
610'
610' 590'
530' 530'
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 40
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 31
SEE SHEET 50
SEE SHEET 39SEE SHEET 41

PRIVATE RD PRIVATE RD

PPRRIVIVAATTEE RRDD

PPRRIIVVAATTEE RRDD
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'
1140'
1140'
1130'
1130'
1120' 1120'
1110' 1110'
1100' 1100'
1090' 1090'
1080' 1080'
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'
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'
1090' 1090'
1080'
1080'
1070'
1070'
1060' 1060'
1050' 1050'
1040' 1040'
1190'
1190'
1180' 1180'
1170'
1170'
1160'
1160'
1150'
1150'
1140' 1140'
1130'
1130'
1120'
1120'
1110'
1110'
1100'
1100'
810'
810'
800' 800'
790' 790'
780' 780'
770' 770'
760' 760'
750'
750'
740' 740'
730' 730'
720'
720'
1180' 1180'
1170'
1170'
1160'
1160'
1150'
1150'
1140'
1140'
1130'
1130'
1120' 1120'
1110' 1110'
1100' 1100'
1090'
1090'
1190'
1180' 1180'
1150' 1150'
1120'
1120'
1200'
1200'
1160' 1160'
1140'
1140'
1170'
1170'
1130' 1130'
780'
780'
770' 770'
760' 760'
750'
750'
740'
740'
800'
790'
780'
770'
760'
750'
730'
720'
720'
800'
790'
780'
770'
760'
750'
730'
730'
710'
710'
700' 700'
690'
690'
720'
720'
680' 680'
710' 710'
700'
700'
690'
690'
680'
680'
670' 670'
660' 660'
1210' 1210'
1200' 1200'
1190'
1190'
970'
970'
980' 980'
960' 960'
950'
950'
790'
790'
780'
780'
770' 770'
760' 760'
1220'
1220'
1210' 1210'
1200'
820' 820'
810' 810'
800'
790'
770'
770'
760' 760'
750'
760' 760'
750'
750'
740'
740'
730'
730'
720' 720'
710' 710'
680' 680'
670'
670'
1200' 1200'
1190'
1190'
1180'
1180'
810' 810'
800' 800'
730' 730'
710' 710'
710'
710'
700'
700'
670' 670'
650' 650'
1290'
1290'
1150'
1150'
1070'
1070'
1060'
1060'
690'
690'
740' 740'
820' 820'
1220'
1220'
1190' 1190'
1170' 1170'
780' 780'
770' 770'
740'
740'
710'
710'
1200' 1200'
1200'
1200'
740' 740'
710'
710'
710'
640'
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 41
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 32
SEE SHEET 51
SEE SHEET 40SEE SHEET 42

PPEEAARRLL DDRR

PPEEAARRLL DDRR
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'
1040'
1030'
1020'
1010'
1000' 1000'
990'
990'
980'
980'
970'
970'
960'
960'
950' 950'
940' 940'
930' 930'
920'
920'
910' 910'
900'
880'
870'
860'
860'
850'
840'
830'
820' 820'
810'
810'
790'
780' 780'
770' 770'
760'
750'
740'
730'
720'
710'
700'
690'
680'
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'
1210'
1210'
1200' 1200'
900'
900'
890'
890'
880'
880'
870' 870'
860'
860'
840'
850'
830'
820' 820'
810'
810'
800'
790'
790'
780'
780'
770'
760'
760'
890'
890'
900'
900'
910'
910'
920'
920'
930'
930'
940'
940'
850'
850'
860' 860'
870' 870'
880' 880'
1010' 1010'
1000'
1000'
990' 990'
980' 980'
970' 970'
960' 960'
950'
950'
940' 940'
800'
800'
790' 790'
780' 780'
770' 770'
760' 760'
750' 750'
830' 830'
820'
820'
810'
810'
800'
800'
790'
790'
780'
780'
820'
820'
810'
810'
790'
790'
780'
780'
750' 750'
800'
800'
760'
760'
790' 790'
780'
780'
770'
770'
760'
760'
750'
750'
740'
740'
1260' 1260'
1250' 1250'
1240'
1240'
1230'
1220' 1220'
1210'
1200' 1200'
1190' 1190'
1180' 1180'
1170' 1170'
1160' 1160'
1120' 1120'
1110' 1110'
1100' 1100'
1090'
1090'
1080'
1080'
1070' 1070'
870' 870'
860' 860'
850' 850'
840'
840'
830'
830'
1000'
1000'
1010'
1010'
990' 990'
970' 970'
980'
980'
870'
870'
860'
860'
850'
850'
840'
840'
830' 830'
800' 800'
790'
790'
780'
780'
770'
770'
760' 760'
1300'
1300'
1290'
1290'
1280'
1280'
1270' 1270'
1150'
1150'
1140' 1140'
1130'
1130'
1050' 1050'
1040' 1040'
1030' 1030'
1020'
1020'
1000' 1000'
990' 990'
980' 980'
820'
810'
800'
790'
780'
790' 790'
780'
770'
760'
730'
730'
720'
720'
710'
710'
700' 700'
690'
690'
1200' 1200'
1190' 1190'
1180' 1180'
1150'
1150'
1140'
1140'
810'
800' 800'
790'
780' 780'
770'
730'
720'
720'
710'
750'
740'
700' 700'
690' 690'
1170'
1170'
1160'
1160'
890' 890'
800' 800'
750'
750'
730' 730'
740'
800' 800'
810'
810'
1010'
1010'
1230'
1230'
1220'
990'
990'
980'
980'
790' 790'
1220' 1220'
1150'
1150'
1160' 1160'
930'
930'
890' 890'
870' 870'
850'
850'
740'
760'
760'
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 42
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 33
SEE SHEET 52
SEE SHEET 41SEE SHEET 43

PPEEAARRLL DDRR

PPEEAARRLL DDRR

SSKKYYLLININEE
PPLL

DDOOUUBBLLEEPPEEAAKKDDRR
CBIN11899
CLEN11374
INLT11004
CLEN11133
CBIN11597
CBIN11598 CLEN11134
CLEN11135
INLT10756
PIPE14035
PIPE14093
PIPE14039
PIPE13603
PIPE13265
PIPE14034
PIPE14047
PIPE14037
PIPE14036
PIPE13609
1410' 1410'
1380'
1380'
1370'
1370'
1360'
1360'
1350' 1350'
1340' 1340'
1330'
1330'
1320'
1320'
1310' 1310'
1300' 1300'
1290' 1290'
1280'
1270'
1260'
1250'
1240'
1230'
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'
1040' 1040'
1020' 1020'
1010'
1010'
1000' 1000'
990' 990'
980'
980'
960' 960'
950'
950'
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'
1080' 1080'
1070' 1070'
1060'
1060'
1050' 1050'
1040'
1040'
1030' 1030'
1150'
1150'
1140' 1140'
1130' 1130'
1120'
1110'
1100'
1090'
1080'
1190' 1190'
1180'
1180'
1170' 1170'
1080'
1080'
1070'
1070'
1060'
1060'
1050'
1050'
1040'
1040'
1030'
1030'
1020'
1020'
1010'
1010'
1000'
1000'
990' 990'
980' 980'970' 970'
1180' 1180'
1170'
1170'
1160' 1160'
1150' 1150'
1140' 1140'
1130' 1130'
1120' 1120'
1110' 1110'
1140'
1130'
1120'
1110' 1110'
1100'
1090'
1080'
1070'
1060'
1050'
1250'
1240'
1230' 1230'
1220' 1220'
1210'
1200' 1200'
1280'
1280'
1270' 1270'
1250' 1250'
1240'
1240'
1230' 1230'
1070' 1070'
1060' 1060'
1050' 1050'
1040' 1040'
1030' 1030'
1020' 1020'
1000'
1000'
980' 980'
990'
990'
970' 970'
1400'
1410'
1410'
1420'
1420'
1390' 1390'
1400'
1340' 1340'
1330' 1330'
1320' 1320'
1330' 1330'
1320' 1320'
1310'
1310'
1300'
1300'
1290'
1290'
1400'
1400'
1390' 1390'
1380' 1380'
1370'
1370'
1360'
1380'
1380'
1370'
1360'
1360'
1350'
1350'
1190'
1190'
1180'
1180'
1170'
1170'
1160'
1160'
950'
930'
1380' 1380'
1370' 1370'
1360'
1360'
1370'
1370'
1360'
1210' 1210'
1200'
1200'
1190'
1190'
1180' 1180'
1170' 1170'
1130' 1130'
1120' 1120'
1110' 1110'
1130' 1130'
1120'
1120'
1100' 1100'
1090'
1090'
1090' 1090'
1080'
1080'
1340'
1340'
1330'
1320' 1320'
1310'
1310'
1300'
1300'
1140' 1140'
1130' 1130'
1440' 1440'
1430' 1430'
1220'
1220'
1210'
1210'
1030' 1030'
1020' 1020'
1430'
1400'
1400'
1390'
1390'
1050' 1050'
1030'
970'
970'
1320' 1320'
1100' 1100'
1190'
1190'
1220'
1220'
1310'
1310'
1280' 1280'
1390'
1160' 1160'
1380'
1380'
1350'
1350'
1350'
1310'
1310'
1290' 1290'
1260' 1260'
1390'
1390'
1380'
1380'
1350'
1350'
1330' 1330'
1330' 1330'
1220' 1220'
1070'
1070'
1040'
1040'
1010'
1010'

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 43
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 34
SEE SHEET 53
SEE SHEET 42SEE SHEET 44
1400'
1400'
1390' 1390'
1380'
1380'
1370' 1370'
1360' 1360'
1350' 1350'
1330'
1330'
1320' 1320'
1310' 1310'
1300' 1300'
1290' 1290'
1280' 1280'
1270'
1270'
1260'
1260'
1250'
1250'
1240' 1240'
1230'
1220'
1210'
1200'
1190'
1180'
1170'
1150'
1150'
1140'
1140'
1130'
1120'
1110'
1100'
1100'
1090'
1090'
1080'
1080'
1070'
1060' 1060'
1050'
1050'
1040'
1040'
1030' 1030'
1020' 1020'
1010' 1010'
1000'
1000'
990'
990'
980' 980'
970'
970'
960' 960'
950'
950'
940'
940'
930'
930'
920'
920'
910'
910'
880' 880'
870'
870' 860' 860'
1150' 1150'
1140'
1140'
1130' 1130'
1120' 1120'
1110' 1110'
1100' 1100'
1090' 1090'
1080' 1080'
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'
1190'
1190'
1180' 1180'
1170' 1170'
1160' 1160'
1070' 1070'
1060'
1060'
1050'
1050'
860' 860'
810' 810'
820'
820'
830'
830'
840' 840'
850' 850'
1180' 1180'
1170' 1170'
1160'
1160'
1150'
1150'
1140'
1140'
1130'
1130'
1120'
1120'
1110'
1110'
1100'
1100'
1090'
1090'
1080'
1080'
1060' 1060' 1050'
1050'
1040'
1040' 1030'
1030'
1020'
1020'
1010'
1010'
1000' 1000'
960'
960'
950'
950'
940'
940'
930'
930'
920'
920'
910' 910' 900'
900'
890' 890'
1200' 1200'
1190' 1190'
1140'
1130'
1120'
1110'
1100'
1090'
1080'
1070' 1070'
1060' 1060'
1050'
1050'
1040'
1040'
1030'
1030'
1020'
1020'
1010' 1010'
1000' 1000'
920'
910'
900'
890'
890'
880' 880'
870'
870'
860'
860'
850'
840' 840'
830' 830'
1160' 1160'
1150'
1150'
1140' 1140'
1130'
1130'
1120' 1120'
1110' 1110'
1100' 1100'
1090'
1090'
1080' 1080'
1070'
1070'
940' 940'
930' 930'
920' 920'
910' 910'
900' 900'
890' 890'
880' 880'
870' 870'
860' 860'
850' 850'
1080'
1080'
1070'
1060'
1050'
1040'
1020'
1030'
1030'
1020'
990' 990'
1000'
1000'
1020'
1020'
1010' 1010'
1000'
1000'
990' 990'
980'
980'
970'
970'
960'
960'
950' 950'
940'
940'
930'
930'
990' 990'
980' 980'
970'
970'
870' 870'
860'
860'
850' 850'
840'
840'
830'
830'
820' 820'
810'
810'
800'
800'
980' 980'
970' 970'
960' 960'
950'
950'
940'
940'
930' 930'
920' 920'
910' 910'
900'
900'
1210' 1210'
1200'
1200'
1190'
1190'
1010' 1010'
1000'
1000'
990'
990'
1400' 1400'
1390' 1390'
1380' 1380'
1190' 1190'
1180' 1180'
1180' 1180'
1170' 1170'
1160' 1160'
1160'
1150'
1150'
1050'
1050'
1060'
1060'
1000' 1000'
1010' 1010'
980' 980'
990' 990'
950'
950'
940'
920'
920'
910'
910'
900' 900'
1160' 1160'
1150' 1150'
900' 900'
890'
890'
1340' 1340'
1160'
1160'
850' 850'
830' 830'
1040'
1040'
1070' 1070'
990' 990'
980'
980'
970'
1040' 1040'
980' 980'
790'
790'
1170' 1170'
970'
920' 920'
890'
890'
880' 880'
1210'
1210'
1140' 1140'
1150' 1150'
1010'
1010'
1010'
1010'
990'
990'
960'
960'
900'
900'
890' 890'
820' 820'
1410'
1220'
1190'
1190'
1160'
1160'
1020'
1010' 1010'

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 44
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 35
SEE SHEET 54
SEE SHEET 43SEE SHEET 45

PPRRIIVVAATTEE RRDD

BBEELLLLAA VVITITAA
WWYY

S TWIN OAKS VALLEY RD S TWIN OAKS VALLEY RD

BBEELLLLAA

VVIITTAA
WWYY
PPRRIIVVAATTEE RRDD CLEN10658
CLEN10659 CBIN10886 CBIN10887
CLEN10660
CLEN10661 CBIN10888 CBIN10889
CLEN10662 INLT10322
CLEN10663 INLT10323
CBIN10890 CBIN10891
INLT10324
INLT10325
CBIN11318
OTHR10495
OTHR11185
INLT11542
OTHR11612
DETB10024
OTLT10500
OTHR11640PIPE13556
DTCH10354
DTCH10348
PIPE12953
PIPE12802
PIPE12821
PIPE12863
PIPE12859
DTCH10423
DTCH10421
DTCH10350
DTCH10352
DTCH10376
DTCH10378
DTCH10379
DTCH10377
DTCH10375
DTCH10351
DTCH10353
DTCH10349
DTCH10422
DTCH10424
PIPE12866
CHAN10469
PIPE12954
PIPE12873
CHAN10468
PIPE12449
PIPE13601
CHAN10467
PIPE12872
PIPE12871
PIPE12870
PIPE12869
DTCH10284
DTCH10425
DTCH10380
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'
950'
950'
940'
940'
930'
930'
920'
920'
910'
910'
900'
900'
1020' 1020'
1010'
1010'
1000' 1000'
990'
990'
980' 980'
880'
880'
870'
870'
860'
860'
850' 850'
840' 840'
1040' 1040'
1030' 1030'
1020' 1020'
1010' 1010'
1000'
1000'
990' 990'
980' 980'
970' 970'
960'
960'
950'
950'
940'
940'
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'
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'
860'
860'
1060'
1060'
1050'
1050'
1040'
1040'
1020' 1020'
1010' 1010'
1000' 1000'
990' 990'
980' 980'
970'
970'
960'
960'
950'
950'
940'
940'
920'
920'
1030' 1030'
930'
930'
910'
910'
900'
900'
890'
890'
880' 880'
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'
870' 870'
860'
860'
850'
850'
840'
840'
830' 830'
820'
820'
810' 810'
800' 800'
790' 790'
780'
780'
770'
770'
760'
760'
960'
960'
950'
950'
940'
940'
930'
930'
920'
920'
910'
910'
900'
900'
890'
890'
880' 880'
860'
860'
850' 850'
970'
970'
960'
960'
950'
950'
940'
940'
930'
930'
920'
920'
910' 910'
900' 900'
910'
910'
900'
900'
890' 890'
880' 880'
870' 870'
860' 860'
830'
830'
820' 820'
810'
810'
800'
800'
790' 790'
780' 780'
960' 960'
950'
940'
930'
930'
920'
920'
910' 910'
860'
860'
850' 850'
840' 840'
830' 830'
880' 880'
890'
890'
870'
870'
840'
840'
860'
860'
850'
850'
870'
860' 860'
850' 850'
840'
830' 830'
880' 880'
870' 870'
860' 860'
850' 850'
840' 840'
870'
870'
850' 850'
840' 840'
980' 980'
970' 970'
960' 960'
950'
950'
970' 970'
960' 960'
950'
950'
940'
940'
890' 890'
880'
880'
870' 870'
860' 860'
880' 880'
870'
870'
860'
860'
1010' 1010'
1000'
1000'
980' 980'
970' 970'
960' 960'
910'
910'
900'
900'
1020' 1020'
1030' 1030'
1010' 1010'
1000'
1000'
940' 940'
930'
930'
890'
880' 880'
820'
820'
810'
810'
890'
890'
830' 830'
1060'
1060'
930'
930'
870'
870'
1070' 1070'
750' 750'
850' 850'
770'
770'
870' 870'
860' 860'
990'
990'
970' 970'
870'
870'
830'
830'
1030' 1030'
1030'
1030'
1030'
1030'
990' 990' 990'
990'
970' 970'
870' 870'
830'
830'
940'
940'
910'
910'
880'
880'
870'
870'
830' 830'
820' 820'
810'
810'
810'
810' 810'
810' 810'
810'
810'

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 45
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 36
SEE SHEET 55
SEE SHEET 44SEE SHEET 46

ATTEBURY RD

AATTTTEEBBUURRYY

RRDD WWAASSHHIINNGGTTOO

NNIIAA DD RR

PPRR IIVVAATTEE RRDD

BBEELLLLAA

VVIITTAA
WWYY

RICK DR RICK DR

OOCCEEAANNVVIIEEWWDDRR

BBEELLLLAA VVII

TTAA WWYY
1510'
1510'
1500' 1500'
1490'
1490'
1480' 1480'
1470'
1470'
1460' 1460'
1450' 1450'
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'
1050' 1050'
1040' 1040'
1030' 1030'
1020' 1020'
1010' 1010'
990'
1000' 1000'
990'
980' 980'
970' 970'
1330' 1330'
1320' 1320'
1310' 1310'
1300' 1300'
1290' 1290'
1270' 1270'
1280' 1280'
1250' 1250'
1260'
1260'
1240'
1240'
1220' 1220'
1230' 1230'
1190'
1190'
1200'
1200'
1210'
1210'
1150'
1160'
1160'
1170' 1170'
1180'
1180'
1130'
1140'
1140'
1150'
1120' 1120'
1130'
1080' 1080'
1090' 1090'
1100' 1100'
1110' 1110'
1050' 1050'
1060'
1060'
1040' 1040'
1550' 1550'
1530'
1530'
1520'
1520'
1510'
1510'
1490' 1490'
1480'
1480'
1470' 1470'
1460' 1460'
1450'
1450'
1440' 1440'
1430'
1430'
1420'
1420'
1410'
1410'
1540'
1540'
1500'
1500'
1070'
1070'
1030' 1030'
1020' 1020'
1010'
1010'
1000'
1000'
990'
990'
980'
970' 970'
960' 960'
1060'
1060'
1050' 1050'
1360' 1360'
1350'
1350'
1340' 1340'
1320'
1320'
1330' 1330'
1310'
1310'
1390'
1390'
1380'
1380'
1370' 1370'
1300'
1290'
1290'
1270'
1270'
1260'
1260'
1250'
1250'
1240'
1240'
1230'
1230'
1330'
1330'
1320'
1320'
1310'
1310'
1300'
1300'
1290'
1290'
1280'
1280'
1270'
1270'
1260' 1260'
1190' 1190'
1180'
1180'
1170'
1170'
1160'
1160'
1150'
1150'
1140'
1140'
1050' 1050'
1010'
1000' 1000'
990' 990'
1060'
1060'
1040'
1040'
1030' 1030'
1020'
1020'
1030'
1030'
1020'
1020'
1000'
1000'
990'
990'
980' 980'
1520'
1520'
1470'
1470'
1330'
1330'
1320' 1320'
1310'
1310'
1280'
1280'
1270'
1270'
1250'
1010'
1010'
1000'
1000'
990'
990'
970'
970'
980'
980'
960'
960'
950'
950'
940' 940'
930'
930'
1390'
1390'
1380' 1380'
1370'
1370'
1360' 1360'
1370'
1370'
1350'
1350'
1340'
1340'
1360'
1350'
1340'
1330'
1350' 1350'
1330'
1330'
1320' 1320'
1070' 1070'
1060'
1060'
1050'
1050'
1040'
1040'
1050'
1050'
1030' 1030'
1020'
1020'
1550' 1550'
1540'
1540'
1530'
1530'
1460' 1460'
1450'
1450'
1440'
1440'
1060'
1060'
1050' 1050'
1560' 1560'
1550' 1550'
1540'
1540'
1400' 1400'
1390'
1390'
1310' 1310'
1300' 1300'
1240'
1230'
1220'
1050'
1050'
1040'
1040' 1000' 1000'
990'
990'
1300'
1300'
1290' 1290'
1040' 1040'
1030'
1030'
960' 960'
950' 950'
930' 930'
940' 940'
1530' 1530'
1570' 1570'
1440'
1440'
1430'
1430'
1410' 1410'
1070'
1070'
1070'
1070'
1020'
1020'
1010'
1400'
1400'
950' 950'
1280' 1280'
1220'
1560' 1560'
1490' 1490'
1050'
1050'
1500'
1500'
1380' 1380'
1330' 1330'
1020' 1020'
980'
1560' 1560'
1290'
1290'
1240'
1240'
1230' 1230'

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 46
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 37
SEE SHEET 56
SEE SHEET 45SEE SHEET 47

PPRRIIVVAATTEE RRDD

CC OORROO
NN

AA DDOO

HHII LLLLSS DDRR

RRIICCKK DDRR

PPRRIIVVAATTEE RRDD

DDEENNIISSEE CCTT

PPRRIIVVAATTEE RRDD

PRIVATE RD PRIVATE RD

PPRRIIVVAATTEERRDD

WWAASSHHIINN
GG
TT

OONNII AA DDRR

PRIVATE RD PRIVATE RD

IINNDDIIAANN RRIIDDGGEE RRDD
1450'
1450'
1440' 1440'
1430'
1430'
1420'
1420'
1410' 1410'
1400'
1400'
1390' 1390'
1380'
1380'
1370' 1370'
1360'
1360'
1350' 1350'
1340' 1340'
1320'
1320'
1310'
1310'
1300'
1300'
1290'
1290'
1280'
1280'
1260'
1260'
1250' 1250'
1240' 1240'
1210' 1210'
1200' 1200'
1190' 1190'
1180' 1180'
1170' 1170'
1160'
1160'
1150' 1150'
1130'
1130'
1120' 1120'
1110'
1110'1100'
1100'
1080' 1080'
1070'
1070'
1030'
1030'
1020'
1020'
1010'
1010'
1000' 1000'
990'
990'
980'
980'
960' 960'
950' 950'
940'
940'
930'
930'
920' 920'
910' 910'
1330' 1330'
1270'
1270'
1230'
1230'
1390' 1390'
1380'
1380'
1370'
1370'
1360'
1350'
1340'
1340'
1330'
1320'
1320'
1310'
1300'
1290'
1280' 1280'
1270'
1260'
1450'
1450'
1440'
1440'
1430' 1430'
1420'
1420'
1410'
1410'
1400'
1400'
1390'
1390'
1380'
1370' 1370'
1360'
1360'
1550'
1540' 1540'
1530' 1530'
1520' 1520'
1510'
1510'
1500'
1490'
1480'
1470' 1470'
1460'
1390'
1390'
1380' 1380'
1370' 1370'
1360' 1360'
1350'
1350'
1340' 1340'
1330' 1330'
1320'
1320'
1280' 1280'
1270' 1270'
1260'
1250'
1250'
1240' 1240'
1230'
1160'
1160'
1150'
1150'
1140'
1140'
1130'
1130'
1120' 1120'
1140'
1140'
1130'
1130'
1110' 1110'
1100' 1100'
1090'
1090'
1120'
1120'
1110' 1110'
1100' 1100'
1570' 1570'
1540' 1540'
1360'
1360'
1350'
1350'
1370' 1370'
1340' 1340'
1220' 1220'
1210' 1210'
1200' 1200'
1190' 1190'
1180'
1180'
1160'
1160'
1150'
1150'
1130' 1130'
1120' 1120'
1400'
1390'
1380' 1380'
1330'
1320'
1310' 1310'
1300' 1300'
1290'
1290'
1110' 1110'
1100' 1100'
1520'
1520'
1510' 1510'
1410'
1410'
1400'
1400'
1130'
1130'
1110'
1120'
1120'
1110'
1110'
1110'
1100'
1090' 1090'
1080' 1080'
1070'
1070'
1020'
1020'
1010' 1010'
880'
880'
870' 870'
860'
850'
850'
840' 840'
830' 830'
1340'
1340'
1330'
1330'
1090' 1090'
1080'
1080'
1220'
1220'
1140' 1140'
1060'
1060'
1050'
1050'
1040'
1040'
970' 970'
900'
900'
890' 890'
1350' 1350'
1310' 1310'
1170'
1170'
1170' 1170'
1480' 1480'
1330' 1330'
1330' 1330'
1090' 1090'
840'
840'
1410' 1410'
1410' 1410'
1080'
1080'
1040' 1040'
930' 930'
830'
830'

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 47
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 57
SEE SHEET 46

PPAA SSEEOO CCEERRRROO PPAA SSEEOO DDEESSCCAANNSSOO

VVII AA CCAANNCCIIOONN

RANCHO MONTANA RANCHO MONTANA

S RANCHO SANTA FE RD S RANCHO SANTA FE RD

REDWING WY REDWING WY

RREEDDWWIINNGGSSTT

PRIVATE RD PRIVATE RD

BBRRIIGGHHTTOO
NN

GGLLEE NN
RRDD

BBRRIGIGHHTTOONN HHILILLL CCTT

VIA ALLONDRA
INLT10497
INLT10498
CBIN11222
INLT10499
INLT10500
OTHR10296
CBIN12166
OTLT10377
OTLT10448
OTHR11550
OTHR11551
OTLT10459
CBIN12341 CBIN12342
CLEN11671
CBIN12343
INLT11507
CLEN11672
CBIN12347
INLT11511
INLT11589
OTLT10512 INLT11620
OTHR11659
OTHR11555
CBIN12401
OTHR11662
CBIN12050
CBIN12051
PIPE14824
CHAN10775
CHAN10774
PIPE14694
PIPE14437
PIPE14695
PIPE14707
PIPE14791
PIPE14746
PIPE14830
CHAN10783
CHAN10781
PIPE14823
PIPE14697
CHAN10772
PIPE14794
PIPE14789
PIPE14652
CHAN10773
PIPE14699
CHAN10771
PIPE14831
PIPE14790
PIPE14747
PIPE14698
PIPE14821
CHAN10776
CHAN10782
CHAN10778
CHAN10779
CHAN10777
PIPE14438
FLOW10087
PIPE14788
PIPE14696
PIPE14822
FLOW10074
FLOW10081
FLOW10056
FLOW10055
FLOW10088
FLOW10057
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'
480' 480'
470' 470'
460' 460'
450'
450'
440'
440'
610'
610'
600' 600'
580' 580'
570'
570'
560' 560'
550' 550'
540' 540'
530' 530'
520' 520'
530' 530'
520'
520'
490' 490'
540'
540'
510' 510'
500' 500'
480' 480'
470'
470'
570'
570'
560'
560'
550' 550'
620' 620'
610'
610'
580' 580'
570'
570'
560' 560'
540'
540'
530'
530'
540' 540'
520' 520'
490' 490'
480'
480'
410' 410'
400' 400'
390'
380'
730'
730'
720'
660' 660'
650'
650'
640' 640'
630'
630'
620'
620'
560'
560'
550'
550'
510' 510'
500' 500'
370' 370'
360' 360'
740' 740'
730' 730'
430'
420' 420'
590'
590'
590'
590'
590'
590'
700'
530' 530'
510'
510'
470'
460' 460'
740' 740'
710' 710'
690'
680'
650' 650'
630'
600' 600'
590' 590'
540' 540'
540'
540'
530' 530' 520' 520'
510' 510'
510' 510'
510' 510'
490' 490'
480' 480'
460'
460'
400'
400'
380'
380'
350' 350'
340'
720'
580'
580'
520' 520'
OTHR11750
S.D. COUNTY S.D. COUNTY

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 48
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 38
SEE SHEET 59
SEE SHEET 49

RRUUEESSTT MMAARRTTIINN

VIA CARRILLO VIA CARRILLO

RRUUEE SSTT JJEEAANN

HERMOSITA DR HERMOSITA DR

CC AA MM
DDEELL

AARRRROOYYOO DDRR
CCAAMM

LLININDDAA
DDRR

VIA NAVAJO VIA NAVAJO

CAM LORADO CAM LORADO

VIA APUESTO VIA APUESTO

RRUUEE CCAAPP FFEERRRRAATT

VIA CASTANET VIA CASTANET

SS RRAANNCCHHOO SSAANNTTAA FFEE RRDD

VVIAIA FFIRIREENNZZEE

VVIAIA SSAANN JJAACC NINI TTOO

VIA LOBO
RRUUEE

SSTT JJEEAANN

AZUL VISTA AZUL VISTA

RRUUEESSTTMMAARRTTIINN

IISSLL AA NNDD DD RR

VVIIAA DDEELL CCOORRVVOO
VVIAIA

BBUUEENNAA VVISISTTAA

VIA RAFAEL VIA RAFAEL

EL PASEO EL PASEO
VVII

AA PPOORRTTOOVVEECCCCHHIIOO

VIA ALLONDRA
INLT10497
INLT11511
INLT11156
INLT11157
OTHR11661
CBIN12400
PIPE14832
C_J320
PIPE14828
PIPE14746
PIPE14708
PIPE14826
PIPE14821
PIPE14833
690' 690'
680'
680'
670'
670'
660' 660'
650'
650'
630'
630'
620'
620'
610'
610'
600' 600'
590'
590'
580'
580'
570'
570'
560'
560'
550' 550'
540'
540'
730'
720' 720'
710'
680'
680'
670'
660'
650' 650'
640'
640'
630' 630'
620'
620'
610'
610'
600' 600'
590'
580'
570' 570'
560' 560'
550' 550'
620'
620'
610' 610'
600'
600'
590'
590'
580'
580'
700' 700'
690'
690'
680' 680'
670'
670'
660'
660'
650'
650'
640'
640'
630' 630'
690'
690'
680'
680'
670'
670'
660'
660'
650'
650'
640'
640'
710'
710'
700'
700'
650'
640'
630'
620'
610'
600'
610'
610'
600'
600'
590'
590'
580' 580'
630'
620' 620'
570'
570'
560' 560'
550' 550'
650'
650'
640'
640'
720' 720'
710' 710'
720'
710' 710'
720' 720'
710' 710'
620' 620'
610' 610'
540'
540'
530' 530'
700' 700'
690'
610'
600'
590' 590'
580'
580'
530' 530'
520' 520'
700' 700' 690' 690'
720' 720'
590' 590'
580'
580'
710'
710'
700'
670'
670'
670'
670'
640'
640'
630'
630'
630'
620' 620'
610' 610'
580'
580'
550' 550'
520'
520'
520'
510'
510'
590'
590'
540'
540'
S.D. COUNTY S.D. COUNTY

SAN SAN

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

APPENDIX D
Recommended Improvements - Sheet 49
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 39
SEE SHEET 60
SEE SHEET 48SEE SHEET 50

PPAANNOORRAAMMAA
AAVV

CCAAMM DDEELL LLAAGGOO
VVII

AA BBRRIISSAA DDEELL LLAAGGOO

SSAANN PPAABBLLOODDRR

RUE ST MARTIN

CAM ROCIAR

SSAANN MMAARRIINNOODDRR

LLAA PPLLAAZZAA DDRR

VVIIAA PPOORRTTOOVVEECCCCHHIIOO

AZUL VISTA AZUL VISTA

CALLE DEVANAR
VVIAIA
LLAA

PPLLAAZZAA

VVIIAA RRIISSAA

VVIIAA IINNSSPPIIRRAARR

CCAAMM DDEE VVEELLAA

LLAA LLOOMMAA DDRR

EL CHICO LN EL CHICO LN

CC AAMMTTOO AAGGUUAARR

VV II AA OOCCIIOOSSOO
VVIIAA

CCAAMMIINNAA
RR

RRUUEE SSTT MMAARRTTIINN
CBIN12100
INLT11567
INLT11569PIPE13564
PIPE13416
PIPE13565
PIPE13563
720' 720'
710' 710' 700' 700'
690'
690'
680' 680'
670' 670'
630' 630'
620'
620'
610'
610'
600'
600'
590'
590'
580'
580'
570'
570'
560' 560'
550'
550'
540'
540'
530' 530'
660' 660'
650'
650'
640'
640'
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'
690' 690'
680'
680'
670'
670'
660' 660'
650' 650'
640' 640'
690'
690'
680'
680'
670'
670'
660'
660'
650'
650'
640'
640'
680' 680'
670' 670'
660' 660'
650' 650'
640' 640'
630'
630'
690'
690'
670'
670'
640'
640'
630'
630'
620' 620'
620'
610' 610'
600' 600'
640' 640'
630'
630'
660'
660'
650'
650'
590'
590'
580' 580'
520' 520'
510' 510'
700' 700'
630' 630'
630'
630'
620'
620'
570'
570'
700'
700'
670'
670'
630'
630'
510'
510'
690' 690'
520'
520'
510'
510' OTLT10339 OTLT10340
S.D. COUNTY S.D. COUNTY
W:\17729_SanMarcosDMP\GIS\DeliverableMaps\SMDMP_D_RecFac_Maps_11x17.mxd City of San Marcos - Drainage Master Plan