05 DRAINAGE MASTER PLAN-APPENDICES-small — San Marcos City Council, February 25, 2025 (part 3 of 10)

SAN MARCOS SAN MARCOS
S.D. COUNTY S.D. COUNTY
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
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 18 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 26
SEE SHEET 11
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'
1110'
990'
990'
980'
980'
970'
970'
960' 960'
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'
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'
1190'
1190'
1200'
1200'
1210' 1210'
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'
760' 760'
750' 750'
1130' 1130'
1120'
1120'
970' 970'
960'
960'
950' 950'
770' 770'
950' 950'
1220'
1220'
1220'
1220'
1230' 1230'
1220' 1220'
1110'
1110'
890' 890'
880'
880'
1280' 1280'
1250'
1250'
1150'
1150'
1070'
1070'
970'
970'
950' 950'

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 19 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 27
SEE SHEET 18

FILOLI CR FILOLI CR

VVIAIA BBOORRRREEGGOOSS

LLAA CCOOSSTTAA MMEEAADDOOWWSS DDRR

CTE TERRAL

CCOORRIINNTTII

AA SSTT

SSITITIOIO TTOORRTTUUGGAA

FILOLI CR FILOLI CR

AVNDA PARADA AVNDA PARADA

SSIITTIIOO CCOORRAAZZOONN

SITIO AVELLANA SITIO AVELLANA

SSIITTIIOO

FFRROONNTTEERRAA
SS

RRAA NNCCHH OO
SSAANN

TTAA FFEE
RRDD

SITIO CABALLERO

PPRRIIVVAATTEE RRDD

RANCHO SANTA FE RD
San Marcos Creek
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'
380' 380'
350'
350'
370' 370'
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'
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'
460'
460'
370' 370'
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'
INLT10513 CBIN11147

CARLSBAD CARLSBAD

SAN MARCOS SAN MARCOS
PIPE12771
PIPE12780
INLT10953
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 20 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 29
SEE SHEET 12
SEE SHEET 21

MMEELLRROOSSEEDDRR

DIAMOND ST

LLOONNGGSSTTAAFFFF
CC TT

LLAA CCOOSSTTAA MMEEAADDOOWWSS DDRR

PRIVATE RD

OPAL DR

PPRRIIVVAATTEE RRDD

SPARROW LN SPARROW LN
San Marcos Creek
San Marcos Creek
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'
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'
INLT10490
CBIN11124
CBIN11125
CBIN11126
INLT10491 OTLT10134
INLT10492
INLT10493
CBIN11127
INLT10494
INLT10495 INLT10496
CBIN11128
CLEN10784
INLT10497 INLT10498
CBIN11129
CBIN11130
CBIN11131
OTHR10887
INLT10499
INLT10500
CLEN10786
SEPR10016
INLT10508
OTHR10898
OTHR10900
CBIN11148
OTLT10135
OTLT10136
CBIN11154
CBIN11155
CLEN10809
CBIN11156
OTLT10140
INLT10514
INLT10515
OTLT10141
CLEN10815
CLEN10816 CBIN11163
CLEN10817
CLEN10818
CBIN11165
CLEN10819 OTHR10914
CBIN11166
CBIN11167
INLT10517
OTLT10142
SEPR10018
CLEN10821 CLEN10822

CARLSBAD CARLSBAD

SAN MARCOS SAN MARCOS
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
CINT10001
OTHR11736
OTHR11737
OTHR11738
OTHR11739 OTHR11740
CINT10006
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 21 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 30
SEE SHEET 13
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
San Marcos Creek
710'
700'
700'
690'
680'
670'
670'
660' 660'
650' 650'
640' 640'
630' 630'
620'
610'
600'
600'
560' 560'
570'
570'
550' 550'
520'
530'
530'
540'
540'
510'
520'
480'
490'
490'
500' 500'
510'
480'
460'
470' 470'
460'
600' 600'
590'
590'
580'
570'
570'
560'
550'
540' 540'
530'
520' 520'
510'
500' 500'
490'
450'
420'
420'
410'
410'
390'
620' 620'
610'
610'
660' 660'
650'
650'
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'
440'
440'
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'
470' 470'
460'
460'
450'
450'
440'
440'
400'
400'
530'
530'
520' 520'
510'
510'
500' 500'
490' 490'
480' 480'
470'
470'
460' 460'
450'
450'
440' 440'
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'
670'
680' 680'
690' 690'
660' 660'
670'
570'
560'
550'
460' 460'
450'
450'
440' 440'
430'
430'
410'
400'
390'
380'
430' 430'
420' 420'
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'
590' 590'
580' 580'
430' 430'
420' 420'
580' 580'
450'
440'
440'
570'
430'
430'
430'
430'
390' 390'
380' 380'
430'
430' 430'
650'
650'
540' 540'
680' 680'
580'
400' 400'
380'
380'
680'
680'
670' 670'
580' 580'
560' 560'
540' 540'
400' 400'
380'
380' 380' 380'
380' 380'
380'
CLEN10670
CLEN10672 INLT10448
CLEN10673 CLEN10674
CLEN10675 CLEN10676
OTHR10862
OTHR10863
CLEN10678
CLEN10679
CLEN10680
CLEN10681
INLT10449
CBIN11027
CLEN10683
CLEN10685
CBIN11028
INLT10450
CBIN11029
CLEN10692
CLEN10694
CLEN10695
CBIN11031
CBIN11036 CBIN11037
CBIN11045
CBIN11047
INLT10452
CBIN11050
OTLT10131 INLT10457 CLEN10719
CLEN10720
CBIN11052
CLEN10725
OTLT10132
INLT10460
OTHR10874
INLT10461
OTHR11104
OTHR11105 OTHR11108 OTHR11107

SAN MARCOS SAN MARCOS
PIPE12423
PIPE12424
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
OTHR11741
OTHR11742
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 22 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 31
SEE SHEET 14
SEE SHEET 21SEE SHEET 23

CLEARVIEW WY CLEARVIEW WY

SKY RIDGE CT SKY RIDGE CT

CCLLEEAARRVVIEIEWWWWYY

AARRCCHHEERR RRDD

CORAL WY

PPEEAARRLL DDRR

SAN ELIJO RD SAN ELIJO RD

GGLLEENNCCRREESSTT DDRR

CLEARVIEW WY CLEARVIEW WY

KKIINNGGSSPPOORRTT WWYY

CCRRYYSSTTAALL CCTT

SSCCHHOOOOLLHHOOUUSSEE WWYY

MISTY SEA WY

DOLPHIN CT
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'
1100' 1100'
690'
690'
670' 670'
740'
730'
690'
690'
680'
680'
780'
780'
690'
690'
660'
660'
810'
770'
770'
770'
770'
770'
730' 730'
710'
710'
690'
690'
680' 680'
650' 650'
OTHR10857
OTHR10858
OTLT10130 CLEN10657
CLEN10658
CLEN10659
CLEN10660
CBIN11024
INLT10445
CLEN10661
CBIN11025
CLEN10662
CLEN10669
CLEN10690
CLEN10691
CLEN10701
CLEN10703
CLEN10704
CLEN10705
CLEN10706
CLEN10707
CLEN10708
CBIN11041
CLEN10716
CBIN11048
INLT10453
CBIN11049
CLEN10718
INLT10454
INLT10456
CLEN10722
CLEN10723
CLEN10727
OTHR10873
INLT10459
OTHR10874
INLT10461
OTHR10876
OTHR11095
OTHR11096
OTHR11097
OTHR11098
OTHR11099
OTHR11100 OTHR11101 OTHR11102 OTHR11103
CBIN11497
CLEN11185
CLEN11187
CLEN11188
OTHR11280
CLEN11194
CBIN11511
CLEN11196
CLEN11198
CLEN11199
CBIN11542
OTHR11290

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

MM II NNAA RRAA
WWYY

HIGHBLUFF AV HIGHBLUFF AV

HHIIGGHHBBLLUUFFFF AAVV

WWIILLDD

CC AANNYYOONN DDRR

SSTTEEPPHHAANNIIEE
SSTT

FFEESSTTIIVVAALL RRDD

WWEE SSTTII NN WW YY

HOPE ST

HH GIGI HHBBLLUUFFFF
AAVV
SS

KKYY RRIIDDGGEE CCTT

ROCK CT ROCK CT

SSKKYYRRII

DDGGEE CCTT

CAPRISE DR

SSUUNNNNYYSSIIDDEE AAVV

IDIDYYLLLLWWILILDDWWYY

CCLLIIFFFFTTOOPP AAVV

SSTTEEPPHHAANNIIEE CCTT

SPRINGFIELD RD SPRINGFIELD RD

PEARL DR PEARL DR

PPEEAARRLL DDRR

WWIILLDD IIRRIISS CCTT

SSAANN EELLIIJJOO RRDD
1110' 1110'
1100'
1100'
1090'
1090'
1080' 1080'
1070' 1070'
1060' 1060'
1050' 1050'
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'
1230' 1230'
1220' 1220'
1210' 1210'
1200' 1200'
1190' 1190'
1180' 1180'
1170' 1170'
1160' 1160'
1150'
1150'
1140'
1140'
1130'
1130'
1120'
1120'
1230'
1230'
1220'
1220'
1210'
1210'
1200'
1200'
1190' 1190'
1180'
1180'
1170' 1170'
1160'
1160'
1150'
1150'
1140'
1140'
1120'
1120'
1110'
1110'
1100'
1100'
1090'
1090'
1080'
1080'
1070'
1070'
1060'
1060'
1050' 1050'
1040'
1040'
1030'
1030'
980'
980'
970' 970'
960' 960'
1020'
1020'
1010'
1010'
1000'
1000'
990'
990'
970'
970'
980'
980'
960'
960'
950'
950'
940' 940'
930'
930'
920' 920'
950' 950'
940'
940'
930'
930'
920'
920'
910'
910'
900'
900'
880' 880'
870' 870'
860' 860'
850' 850'
840'
840'
830' 830'
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'
1020'
1020'
1010' 1010'
1000'
1000'
990'
990'
1000'
1000'
990' 990'
1060' 1060'
1050' 1050'
1040'
1130' 1130'
890'
890'
1160'
1160'
1070' 1070' 1070'
1070'
1020' 1020'
1000'
1000'
980'
980'
860' 860'
820' 820'
1240'
1240'
1030' 1030'
1030'
1030'
870'
870'
870'
820' 820'
710'
710'
CLEN10663
INLT10446
CBIN11450
CBIN11451
INLT10740
CLEN11138
OTHR11273
CLEN11139
OTHR11274
OTHR11275
CLEN11156
INLT10743
CLEN11164 CLEN11165
CLEN11179
CLEN11186
CLEN11189
CLEN11190
CLEN11191
CBIN11509
CBIN11510
INLT10747
CLEN11192
CLEN11193
INLT10748
OTHR11282
CBIN11541
CBIN11544
CLEN11241
INLT10755
OTHR11290
OTLT10206
OTHR11299
CLEN11246
INLT10757
INLT10758
CLEN11268 CLEN11269
CBIN11595
CLEN11305
CBIN11596
CBIN11597
CBIN11598
CLEN11306
SEPR10025
CBIN11599
CLEN11307
CLEN11308
CBIN11600
SEPR10026
CLEN11309 INLT10772
CLEN11310
CBIN11603
CLEN11311
OTHR11403
OTHR11404
OTHR11405
OTHR11406
OTHR11407 OTHR11408
OTHR11409
OTHR11410
OTHR11411

SAN MARCOS SAN MARCOS
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
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 24 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 33
SEE SHEET 16
SEE SHEET 23SEE SHEET 25

LLUUMMIINNAARRAA WWYY

CHERT DR CHERT DR

EECCLLII PPSSEE DDRR
RREE

GGAATTTTAA

CCTT QUESTHAVEN RD QUESTHAVEN RD

ORION WY

CCHHEERRTT DDRR

HORIZON CT
AANN
CC

HH OORR
PPLL

CCLLIIFFFFTTOOPP AAVV

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
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'
1180' 1180'
1170' 1170'
1150' 1150'
1140' 1140'
1120' 1120'
1110' 1110'
1100' 1100'
1090'
1090'
1080' 1080'
1070'
1070'
1060'
1050'
1200' 1200'
1190'
1190'
1130'
1040' 1040'
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'
960'
960'
950'
950'
940'
940'
980' 980'
970' 970'
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'
1160'
1160'
1150' 1150'
1390'
1390'
1380'
1380'
1050' 1050'
1040'
1040'
1030' 1030'
1020' 1020'
1040'
1040'
1030'
1030'
1010' 1010'
1000' 1000'
900' 900'
890' 890'
1210'
1190'
1190'
1180' 1180'
1140' 1140'
1120'
1120'
1050'
1050'
1220'
1190'
1190'
1180'
1180'
1170'
1170'
1170' 1170'
1080'
1080'
1050' 1050'
980' 980'
980' 980'
980'
1200'
1200'
990' 990'
970' 970'
CLEN11135
CLEN11136
CBIN11447
CBIN11448
CLEN11137
CBIN11458
CBIN11459
CBIN11460
CBIN11461
CBIN11462
CBIN11463
CLEN11156
CBIN11481
CBIN11482
CBIN11501
CLEN11184
CLEN11245
OTHR11305
CLEN11311
CBIN11604
CBIN11605 CLEN11312
CLEN11313
CBIN11606
CLEN11314
CBIN11610 CBIN11611
CBIN11612 CLEN11315
INLT10773
INLT10774
CLEN11316
OTHR11313
CLEN11317
CBIN11613 CBIN11614
CLEN11319
INLT10776
CBIN11618
CBIN11619
CLEN11320
CBIN11620
CBIN11621
CBIN11622
CBIN11623
CLEN11322
CBIN11624 CBIN11625
CLEN11323
CLEN11324
CLEN11325
CBIN11626
CBIN11627
CLEN11326
OTHR11316
CLEN11345
CLEN11346
CLEN11349 CLEN11350
CLEN11351
CBIN11658
INLT10790
CLEN11352
CLEN11353
CLEN11354 CBIN11659
CLEN11355
SEPR10028
INLT10791
CBIN11660
CBIN11661
OTHR11472
OTHR11473
OTHR11474

SAN MARCOS SAN MARCOS
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
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 25 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 34
SEE SHEET 17
SEE SHEET 24SEE SHEET 26

AATTTTEEBBUURRYY
RRDD

LAUREN PL

SAN ELIJO RD SAN ELIJO RD

ANTILLA WY

LEXI CT

OORRIIOONN WWYY

GOLDEN EAGLE TL

PPRRIVIVAATTEE RRDD
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' 1120'
1110' 1110'
1100' 1100'
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'
1090'
1230' 1230'
1150' 1150'
1080'
1080'
1010'
1010'
1210'
1200' 1200'
1200'
1130' 1130'
1100' 1100'
1020'
1020'
990'
1240'
1240'
1070'
1070'
1060'
1060'
CLEN11134
CLEN11163
CBIN11485
CBIN11486
OTHR11277
CBIN11487
CBIN11488
CBIN11489
INLT10746
CLEN11180
CBIN11492
CBIN11493
CLEN11182
OTLT10200
CBIN11496
OTHR11278
OTHR11306
CLEN11326
SEPR10027
CLEN11329 CLEN11330
OTLT10211
CBIN11647
OTHR11324
DETB10009
OTHR11343
INLT10793
OTHR11347
OTHR11426
OTHR11427
OTHR11428
OTHR11441
OTHR11442
OTHR11443
OTHR11444
OTHR11445
OTHR11446
OTHR11447
OTHR11448
OTHR11449
OTHR11450
OTHR11451
OTHR11452
OTHR11453
OTHR11454
OTHR11455
OTHR11456
OTHR11457
OTHR11458
OTHR11459
OTHR11460
OTHR11461
OTHR11462
OTHR11463
OTHR11471
OTHR11478
OTHR11479
OTHR11480
OTHR11481

SAN MARCOS SAN MARCOS
S.D. COUNTY S.D. COUNTY
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
OTLT10353
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 26 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 35
SEE SHEET 18
SEE SHEET 25SEE SHEET 27

AATTTTEEBBUURRYY RRDD

DDEEAADDWWOOOODD
DDRR

PRIVATE RD PRIVATE RD

VVAALLBBOORRGG
DD
RR
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'
1330'
1330'
1310' 1310'
1300' 1300'
1290' 1290'
1280' 1280'
1270'
1270'
1260'
1260'
1250' 1250'
1220'
1220'
1240'
1240'
1200' 1200'
1150' 1150'
1140' 1140'
1130' 1130'
1120' 1120'
1110' 1110'
1230'
1230'
1210'
1210'
1190' 1190'
1180' 1180'
1170'
1170'
1300' 1300'
1290'
1290'
1280' 1280'
1270' 1270'
1260'
1260'
1250'
1250'
1240'
1240'
1230' 1230'
1220'
1220'
1200'
1200'
1190'
1190'
1180'
1180'
1170'
1170'
1160'
1160'
1330'
1330'
1320'
1320'
1310'
1310'
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'
1090'
1250' 1250'
1240' 1240'
1230'
1230'
1220' 1220'
1210' 1210'
1200'
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'
1320' 1320'
1340' 1340'
1200' 1200'
1190' 1190'
1330'
1330'
1320' 1320'
1220'
1210'
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'
1160' 1160'
1100'
1210' 1210'
1150' 1150'
1140'
1140'
1190'
1190'
1220' 1220'
1390' 1390'
1320'
1320'
1320' 1320'
1310'
1190'
1190'
1110'
1110'
1320'
1310' 1310'
1260'
1260'
1250' 1250'
1170' 1170'
1130'
1070' 1070'
1060'
1060' 1060'
1060'
1060'
1060' 1060'
1060'
1060'
DETB10010
OTHR11347
OTHR11348
OTHR11481
OTHR11482
OTHR11483
OTHR11484
OTHR11485
OTHR11486

SAN MARCOS SAN MARCOS
S.D. COUNTY S.D. COUNTY
CHAN10595
CHAN10597
CHAN10600
CHAN10596
CHAN10598
CHAN10599
CHAN10787
CHAN10786
FLOW10048
FLOW10046
FLOW10047
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 27 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 36
SEE SHEET 19
SEE SHEET 26SEE SHEET 28

PPRRIIVVAATTEE
RR
DD
1650'
1640'
1630'
1620'
1610'
1600'
1590'
1580'
1570'
1560'
1550'
1540'
1530'
1520'
1510'
1500'
1490' 1490'
1480'
1470' 1470'
1460' 1460'
1450' 1450'
1440' 1440'
1430'
1430'
1420' 1420'
1410'
1410'
1400'
1390' 1390'
1380'
1370'
1360'
1350'
1340'
1330'
1320'
1310'
1300'
1290'
1280'
1270'
1260'
1250'
1240'
1230'
1220'
1210'
1210'
1200'
1200'
1190'
1180'
1170'
1160'
1150'
1140'
1130'
1120'
1110'
1100'
1090' 1090'
1080' 1080'
1070' 1070'
1060' 1060'
1050' 1050'
1040'
1030'
1020' 1020'
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'
1440' 1440'
1430' 1430'
1420'
1420'
1410'
1410'
1400'
1400'
1390'
1390'
1380' 1380'
1370' 1370'
1320' 1320'
1310'
1310'
1300'
1300'
1290'
1290'
1360'
1360'
1350' 1350'
1340' 1340'
1330' 1330'
1640'
1640'
1630' 1630'
1620' 1620'
1610' 1610'
1600'
1600'
1590'
1590'
1580'
1580'
1570'
1560'
1550'
1540'
1530'
1520'
1510'
1500'
1490'
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'
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'
1390'
1390'
1380'
1380'
1370'
1370'
1330'
1330'
1320' 1320'
1310' 1310'
1300' 1300'
1670'
1660'
1660'
1650'
1650'
1320' 1320'
1310'
1310'
1360' 1360'
1350' 1350'
1670'
1670'
1660' 1660'
1010'
1010'
990'
980' 980'
1670'
1670'
1660' 1660'
1470' 1470'
1460' 1460'
1450'
1450'
1480'
1480'
1300' 1300'
1290'
1290'
1200'
1200'
1360'
1360'
1200'
1200'
1150'
1150'
1490' 1490'
1470' 1470'
1340' 1340'
1330'
1300' 1300'
1000' 1000'

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 28 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 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

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
630' 630'
620' 620'
610' 610'
600'
600'
590' 590'
580' 580'
570'
560'
550'
550'
540' 540'
530' 530'
520' 520'
510'
510'
500'
500'
490' 490'
480'
480'
470'
470'
460'
460'
450' 450'
420' 420'
430' 430'
410' 410'
400' 400'
390' 390'
380' 380'
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'
470'
460'
450'
440'
440'
430'
420'
410'
400' 400'
390' 390'
400'
390'
440'
430'
430'
420' 420'
410' 410'
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'
370'
370'
360' 360'
640'
640'
490' 490'
470'
470'
380' 380'
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'
350'
350' 350'
410' 410'
400'
400'
390' 390'
390' 390'
CLEN10789
CLEN10791
INLT10504
CLEN10812
SEPR10017
OTHR10910
CBIN11157
OTHR10911
OTHR10912
CBIN11158
CLEN10813
CLEN10814
CBIN11159
CBIN11160
CBIN11161
CBIN11162
CLEN10826 CLEN10827 CLEN10828 CLEN10830
CLEN10831
CLEN10832
CBIN11433
CBIN11434
CBIN11436
S.D. COUNTY S.D. COUNTY

CARLSBAD CARLSBAD

SAN MARCOS SAN MARCOS
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
CLEN11555
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 29 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 38
SEE SHEET 20
SEE SHEET 30

SSKKYY CCOORRRRAALL

NORTHFORK NORTHFORK

LARAMIE WY LARAMIE WY

MELROSE DR

DIAMOND ST

SKY POND LN SKY POND LN

GRANBY WY GRANBY WY
BB

OOUULLDDEERRIIDDGGEE DDRR

SSIILLVVEERRAADDOO SSTT

SPARROW LN SPARROW LN

MMAARRBBLLEELLNN

AACCCCEESSSS RRDD
740' 740'
730'
730'
720'
720'
710' 710'
690' 690'
680'
680'
670'
670'
650' 650'
640' 640'
630' 630'
610' 610'
600'
600'
590' 590'
580' 580'
570'
570'
560' 560'
550' 550'
540'
540'
530'
530'
520'
520'
500'
500'
490'
490'
480'
480'
470' 470'
460' 460'
450'
450'
440'
440'
430'
430'
420'
420'
410' 410'
400' 400'
390'
390'
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'
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'
700' 700'
660' 660'
620' 620'
510'
510'
440' 440'
390' 390'
620'
620'
420' 420'
400' 400'
660' 660'
640'
640'
630' 630'
490'
490'
700'
700'
550' 550'
440' 440'
440' 440'
420'
380' 380'
540'
540'
420'
420'
400' 400'
390'
390'
390'
390'
370'
370'
CLEN10786
CBIN11132
CBIN11133
CBIN11134 CBIN11135
CLEN10788 CBIN11136
INLT10501
CLEN10790
INLT10502
CBIN11138
CLEN10792 CLEN10793 CBIN11139
CLEN10794
CBIN11140 INLT10503
CBIN11141 CBIN11142
CBIN11143
CLEN10796
CBIN11146
CLEN10800
CLEN10801
OTHR10907 OTHR10908
CLEN10802
CBIN11150
CLEN10803
CBIN11153
CLEN10805
INLT10511
CLEN10811
OTHR10915
OTHR10916
CLEN10824
CBIN11431
CBIN11432
S.D. COUNTY S.D. COUNTY

SAN MARCOS SAN MARCOS
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
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 30 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 39
SEE SHEET 21
SEE SHEET 29SEE SHEET 31

GGLLEENNCCRREESSTTDDRR

SSTTAARRGG

AAZZEE CCTT

SAND DUNE WY

DDIAIAMOONNDD SSTT

PPRRIIVVAATTEE RRDD
San Marcos Creek
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' 540' 540'
530' 530'
520'
520'
510' 510'
790'
800'
800'
780' 780'
790'
760'
770' 770'
750' 750'
760'
730'
740'
740'
720' 720'
730'
700'
710'
710'
690' 690'
700'
670'
680' 680'
670'
660' 660'
650'
650'
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'
940'
940'
930'
930'
920'
920'
910'
900'
900'
890' 890'
880'
880'
870'
870'
860'
860'
850'
850'
840'
840'
830' 830'
630'
640'
640'
630'
610'
620'
620'
600'
610'
590'
600'
580'
590'
570'
580'
560' 560'
570'
550' 550'
540' 540'
530' 530'
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'
550'
550'
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'
820' 820'
520'
520'
510' 510'
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'
CLEN10668
CLEN10686
CBIN11043
CLEN10803
CBIN11152 INLT10509 CLEN10804
INLT10510
CLEN10805
S.D. COUNTY S.D. COUNTY

SAN MARCOS SAN MARCOS
PIPE12426
PIPE12588 PIPE12604
PIPE12389
PIPE12361
PIPE12481
PIPE12589
PIPE13606
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 31 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 40
SEE SHEET 22
SEE SHEET 30SEE SHEET 32

GGLLEENNCCRREESSTT
DDRR

PPRRIVIVAATTEE RRDD

MM IISSTTYY
SSEEAA
WWYY

LLIIGGHHTTHHOOUUSSEE RRDD

KKININGGSSPPOORRTTWWYY

SSCCHHOOOOLLHHOOUUSSEEWWYY

PP RRIIVVAATTEE RR DD
1280'
1270'
1270'
1260'
1260'
1250' 1250'
1240'
1240'
1230'
1230'
1220'
1220'
1210'
1200'
1190'
1160' 1160'
1150' 1150'
1140' 1140'
1120'
1120'
1110' 1110'
1100'
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'
860'
860'
850'
850'
840'
840'
830'
820'
810'
800'
790' 790'
780'
770'
770'
760'
750'
750'
730' 730'
1190'
1190'
1180'
1180'
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'
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'
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'
850'
850'
840'
840'
830'
830'
820'
810'
800' 800'
790'
790'
780'
770' 770'
760'
760'
750' 750'
1250'
1240'
1240'
1230'
1230'
1220'
1210'
1200'
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'
750' 750'
740' 740'
700'
690'
680'
970' 970'
960' 960'
860'
860'
850'
850'
1290' 1290'
1300' 1300'
1170'
1170'
1130'
1130'
960' 960'
910' 910'
870' 870'
740' 740'
720' 720'
710' 710'
1170' 1170'
1160' 1160'
1060' 1060'
1050'
1050'
1180' 1180'
860'
860'
1100'
1050'
1050'
870' 870'
1130'
1130'
870'
870'
850' 850'
1210' 1210'
1200' 1200'
1160'
1160'
1120'
910'
860'
860'
720'
720'
710' 710'
680'
680'
670'
670'
CLEN10656
OTHR10860
CLEN10667
CLEN10671
OTHR10861
CLEN10686
CLEN10687
OTHR10866
CLEN10688
OTHR10867
CLEN10696
CLEN10697
CLEN10698
CLEN10699
CLEN10700
CLEN10702
CLEN10703
CLEN10709
INLT10451
CBIN11042
CLEN10712
CLEN10713
CLEN10714 CLEN10715
OTHR10871 CLEN10717
OTHR10872
CLEN10724
INLT10458
INLT10462
CBIN11054
OTHR10876
INLT10624
INLT10625
INLT10626
OTHR11032
OTHR11110
OTHR11111
OTHR11112
OTHR11113
OTHR11114
OTHR11116 OTHR11117
OTHR11118
OTHR11119

SAN MARCOS SAN MARCOS
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
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 32 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 41
SEE SHEET 23
SEE SHEET 31SEE SHEET 33

TTUUCCAANNAA DDRR

WWILILDDCCAANNYYOONNDDRR

VVEEGGAA WWYY

PAVO CT

PPEEAARRLL
DDRR

QQUUAARRTTZZ CCTT
1300'
1300'
1290'
1290'
1280' 1280'
1260' 1260'
1270' 1270'
1230' 1230'
1240'
1240'
1250'
1250'
1210' 1210'
1220'
1220'
1200'
1200'
1180'
1180'
1190' 1190'
1150'
1150'
1160' 1160'
1170'
1170'
1110'
1120'
1120'
1130'
1130'
1140'
1140'
1090' 1090'
1100' 1100'
1110'
1070' 1070'
1080' 1080'
1060' 1060'
1030'
1040' 1040'
1050' 1050'
1030'
1020'
1020'
1340'
1340'
1330' 1330'
1320'
1320'
1310' 1310'
1300' 1300'
1290'
1290'
1280'
1280'
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'
1270' 1270'
1260' 1260'
1250'
1250'
1240' 1240'
1230'
1230'
1220' 1220'
1210'
1210'
1200'
1200'
1190'
1190'
1180' 1180'
1170'
1170'
1160' 1160'
1310'
1310'
1300' 1300'
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'
1290' 1290'
1280'
1280'
1280'
1270'
1280' 1280'
1270'
1270'
1170' 1170'
1160' 1160'
1340'
1340'
1330'
1330'
1210' 1210'
1200' 1200'
1200' 1200'
1210' 1210'
1130' 1130'
1120'
1120'
1100' 1100'
1110' 1110'
1090'
1090'
1080'
1080'
1320' 1320'
1010'
1010'
1270' 1270'
1100' 1100'
1270'
1270'
1190'
1190'
1080' 1080'
1310'
1310'
1170' 1170'
1160' 1160'
1290' 1290'
1250'
1250'
1250'
1240'
1240'
1190' 1190'
1170' 1170'
1170'
1170'
1120'
1120'
1050'
1050'
CLEN11267
CLEN11268 CLEN11269
CBIN11565
CBIN11566
CLEN11270
CLEN11271
CBIN11567
CLEN11272
CLEN11273
CBIN11568
CBIN11569
CLEN11274
CLEN11275 CLEN11276
CLEN11277
CLEN11278
CLEN11279
CLEN11286
CBIN11575
OTHR11310
CBIN11576
CBIN11577
CBIN11578 CLEN11288
CBIN11579
CLEN11289
CLEN11290
CLEN11291
INLT10768
CBIN11580
CBIN11581
CBIN11582
CLEN11292
OTHR11312
CLEN11304 CLEN11305
OTHR11326
OTHR11402

SAN MARCOS SAN MARCOS
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
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 33 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 42
SEE SHEET 24
SEE SHEET 32SEE SHEET 34

PPEEAARRLL
DDRR

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

HAILEY CT

DOUBLE PEAK DR DOUBLE PEAK DR

CCAANNNNOONNDDAALLEE CCTT

JJAASSPPEERR CCTT

FESTIVAL RD FESTIVAL RD

CCOOSSTTAA DDEELL SSUURR
1460'
1450'
1440' 1440'
1420' 1420'
1410' 1410'
1400'
1390'
1380'
1380'
1370'
1370'
1360'
1360'
1350'
1340'
1330'
1330'
1320'
1320'
1310'
1310'
1300'
1300'
1290'
1280'
1270'
1260'
1250'
1240'
1240'
1230'
1230'
1190' 1190'
1180' 1180'
1170' 1170'
1160' 1160'
1360'
1360'
1350' 1350'
1340'
1330'
1320'
1310' 1310'
1300'
1290'
1280'
1270'
1260'
1250'
1230' 1230'
1220' 1220'
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'
1330'
1330'
1320' 1320'
1310' 1310'
1270'
1260'
1550' 1550'
1540'
1540'
1530'
1530'
1520'
1520'
1510'
1510'
1500' 1500'
1490'
1490'
1480'
1480'
1470'
1470'
1200' 1200'
1190' 1190'
1180' 1180'
1170' 1170'
1490' 1490'
1480'
1480'
1370'
1350'
1350'
1320'
1310'
1310'
1300'
1240'
1240'
1230'
1230'
1220'
1220'
1210'
1210'
1220'
1210'
1210'
1200'
1200'
1550' 1550'
1540' 1540'
1510'
1510'
1500' 1500'
1380' 1380'
1370'
1370'
1360'
1360'
1430'
1430'
1200'
1200'
1150' 1150'
1140' 1140'
1130'
1130'
1120'
1120'
1060'
1060'
1340'
1340'
1300' 1300'
1460' 1460'
1470'
1470'
1500' 1500'
1230'
1230'
1230' 1230'
1210' 1210'
1500' 1500'
1440'
1440'
1420' 1420'
1240'
1240'
1210' 1210'
1170' 1170'
1160' 1160'
1080' 1080'
1160' 1160'
CLEN11278
CLEN11280
INLT10766
CLEN11281
CBIN11570
CLEN11282
CBIN11572
CBIN11573
CLEN11283
CLEN11284 CBIN11574 CLEN11285 INLT10767
CLEN11286
CBIN11583
CLEN11293
CBIN11584
CBIN11585
CBIN11586
CBIN11587 CBIN11588
CLEN11294
CLEN11295
INLT10769
CLEN11297
CBIN11591
INLT10770
CLEN11298
CLEN11301
CLEN11302
CLEN11303
CBIN11616
CBIN11617
INLT10775
OTHR11314
INLT10777
CLEN11327
CBIN11628
INLT10778
CLEN11328
CBIN11629
CBIN11630

SAN MARCOS SAN MARCOS
PIPE14100
PIPE14043
PIPE14103
PIPE13981
PIPE14041
PIPE14096
PIPE14104
PIPE13974
PIPE13973
PIPE14079
PIPE14054
PIPE14047
PIPE14042
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
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 34 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 43
SEE SHEET 25
SEE SHEET 33SEE SHEET 35

VVAANNEESSSSAA
WWYY

LEDGE ST LEDGE ST

LLAAUU RREENN PPLL

SSAANN EELLII

JJOORRDD

JASPER CT

DDOOUUBBLLEEPPEEAAKK
DDRR
1380'
1380'
1370' 1370'
1360'
1360'
1350'
1350'
1340' 1340'
1330' 1330'
1320'
1320'
1310' 1310'
1300' 1300'
1290' 1290'
1280' 1280'
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'
1060' 1060'
1050' 1050'140' 1040'
1030' 1030'
1020'
1020'
1000' 1000'
1530'
1530'
1520'
1520'
1510' 1510'
1500' 1500'
1490' 1490'
1470' 1470'
1460' 1460'
1450' 1450'
1440'
1440'
1430'
1420'
1410'
1400'
1390'
1270' 1270'
1260'
1260'
1250' 1250'
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'
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'
1250'
1250'
1240'
1240'
1240'
1240'
1230' 1230'
1220'
1220'
1100'
1090'
1620'
1620'
1630'
1630'
1500'
1500'
1490' 1490'
1210' 1210'
1200'
1200'
1540'
1540'
1530' 1530'
1070' 1070'
1010' 1010'
990' 990'
980'
980'
960'
960'
1240'
1230'
1230'
1220'
1240'
1240'
1230' 1230'
1190'
1190'
1600' 1600'
1140'
1140'
1100' 1100'
1280'
1280'
1090' 1090'
1540' 1540'
1510' 1510'
1540' 1540'
1490' 1490'
1380' 1380'
1370' 1370'
1370'
1370'
1330'
1330'
1270' 1270'
1250'
1250'
1250' 1250'
1110'
1110'
950' 950'
1270'
1270'
CLEN11163
CLEN11180
CBIN11494
CBIN11495
CBIN11594
CBIN11630
CBIN11631
INLT10779
CLEN11331
CLEN11332 CBIN11633
CBIN11634
CBIN11635 CLEN11333
CLEN11334
INLT10780
INLT10781
CLEN11335
INLT10782
CBIN11636 CLEN11336
CBIN11637
CLEN11337
CBIN11638 OTHR11315
CLEN11338
CBIN11639
OTHR11476
OTHR11477

SAN MARCOS SAN MARCOS
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
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 35 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 44
SEE SHEET 26
SEE SHEET 34SEE SHEET 36

AATTTTEEBBUURRYY
RRDD

DUNCAN CT

PRIVATE RD

PPRRIIVVAATTEE
RR DD

LENA CT LENA CT

SSAANN EELLIIJJOO RRDD

SSTTWWININ

OOAAKKSSVVAALLLLEEYY
RRDD
1320' 1320'
1310' 1310'
1300' 1300'
1290'
1270'
1260' 1260'
1250' 1250'
1240'
1240'
1230'
1230'
1220'
1210'
1210'
1200'
1190' 1190'
1170'
1170'
1160'
1160'
1150'
1150'
1140' 1140'
1130' 1130'
1120'
1110'
1100'
1100'
1090' 1090'
1080' 1080'
1070' 1070'
1060'
1060'
1050'
1040'
1030' 1030'
1020' 1020'
1010'
1010'
1000' 1000'
990' 990'
980' 980'
970' 970'
960'
960'
950'
950'
940' 940'
930' 930'
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'
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'
1200'
1190'
1170'
1170'
1180' 1180'
1090'
1080'
1070' 1070'
1060' 1060'
1050'
1040'
1030'
1020'
1010'
1010'
1000' 1000'
990'
990'
980'
980'
970'
960' 960'
950'
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' 1150'
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'
1280' 1280'
1180'
1180'
1110' 1110'
890' 890'
880' 880'
1160'
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'
INLT10526
OTLT10144
CBIN11206
CLEN10869 INLT10527
CLEN10870 CBIN11207 CBIN11208
OTLT10145
CLEN10871
CBIN11209
CLEN10873
INLT10528
CBIN11210
CBIN11211
CLEN10875
CBIN11240
CBIN11241
CLEN10885
OTHR10963
CLEN10938
CBIN11291
CBIN11292
CBIN11294
OTHR11042
OTHR11140
OTHR11147 OTHR11148
OTHR11216
OTHR11217
OTHR11218
OTHR11219
OTHR11220
OTHR11221
OTHR11222
CLEN11339
INLT10783
INLT10784
CBIN11640
CLEN11340
CBIN11641
CBIN11642
CBIN11643
CBIN11644
CLEN11341
CBIN11645
CBIN11646
INLT10785
OTHR11327
OTHR11346
OTHR11475
OTHR11482

SAN MARCOS SAN MARCOS
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
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 36 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 45
SEE SHEET 27
SEE SHEET 35SEE SHEET 37

PPRRIIVVAATTEE RRDD

AATTTTEEBBUURRYY
RRDD

WWAASSHHIINNGGTTOONN II AA
DD
RR

INDIAN RIDGE RD

AATTTTEEBBUURRYY
RRDD
1590' 1590'
1580'
1580'
1570'
1570'
1560' 1560'
1550' 1550'
1540' 1540'
1530'
1530'
1520'
1520'
1510'
1510'
1500' 1500'
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'
1730' 1730'
1720'
1710'
1700'
1690'
1680'
1670'
1670'
1660'
1650'
1650'
1640'
1640'
1630'
1620'
1620'
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'
1510' 1510'
1520' 1520'
1490' 1490'
1500' 1500'
1480' 1480'
1450' 1450'
1440'
1440'
1430'
1430'
1420'
1420'
1410' 1410'
1400' 1400'
1390' 1390'
1370' 1370'
1360' 1360'
1350'
1350'
1340' 1340'
1330'
1330'
1320' 1320'
1310' 1310'
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'
1490'
1480'
1470'
1570' 1570'
1560' 1560'
1550' 1550'
1550' 1550'
1540' 1540'
1510' 1510'
1500'
1500'
1390' 1390'
1380'
1380'
1310' 1310'
1300' 1300'
1290' 1290'
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'
1610' 1610'
1600' 1600'
1470' 1470'
1380'
1580'
1580'
1460' 1460'
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_C_100yrResultsMaps_11x17.mxd City of San Marcos - Drainage Master Plan

APPENDIX C
Existing Deficient Systems, 100 Year Results - Sheet 37 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 46
SEE SHEET 28
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

EE DD UUAARRDDOO

CAM MICHELLE

CCTT EE AADDAALLIINNAA
CCAA

MM PPUUEENNTTEE LLNN

REDWING ST REDWING ST
VVI

IAA DDEELL CCOORRVVOO

AALLGGAA RRDD

MELROSE DR

TTOOWWHHEEEESSTT

MMEEAADDOOWWLLAARRKKRRAANNCCHH LLNN
770'
760'
750'
750'
740'
730' 730'
720' 720'
710'
700' 700'
680'
680'
670' 670'
660'
650'
640'
640'
630'
620'
610'
590'
590'
580'
580'
570'
570'
560'
560'
550'
550'
540'
540'
530'
530'
520'
520'
510'
500'
490'
480'
480'
470'
460'
460'
450' 450'
440'
430' 430'
420'
670' 670'
680' 680'
650'
650'
660' 660'
640'
640'
630'
630'
610' 610'
620' 620'
600' 600'
590' 590'
580'
580'
560' 560'
570' 570'
540' 540'
550' 550'
530' 530'
480'
510' 510'
520' 520'
480' 470' 470'
490'
490'
500' 500'
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' 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'
500' 500'
490' 490'
480' 480'
470' 470'
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'
710'
710'
500'
500'
490' 490'
480' 480'
470'
470'
460' 460'
750'
750'
740'
740'
730'
730'
680' 680'
670' 670'
660' 660'
540' 540'
530' 530'
520' 520'
410'
410'
400' 400'
780'
780'
690'
690'
600'
600'
700' 700'
690' 690'
510'
510'
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'
510' 510'
460' 460'
390'
390'
390'
420'
420'
CLEN11073
CBIN11389
CBIN11390
INLT10620
INLT10621
OTHR10986
INLT10655
S.D. COUNTY S.D. COUNTY

CARLSBAD CARLSBAD

SAN MARCOS SAN MARCOS
PIPE13382
PIPE13381
PIPE13378
PIPE13383
PIPE13380
OTHR11751
CBOL10007
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 38 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 48
SEE SHEET 29
SEE SHEET 39

CCAA MM
DD

EELL AARRRROOYYOO
DD RR

PLAYA VISTA PLAYA VISTA

CCUUAADDRROOVVIISSTTAA

VVIIAA DDEELL CCOORRVVOO

VVIIAA AALLLLOONNDDRRAA
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'
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'
750'
750'
740'
740'
730' 730'
720'
720'
710'
710'
700' 700'
650'
640' 640'
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'
720' 720'
770' 770'
790'
690' 690'
530'
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_C_100yrResultsMaps_11x17.mxd City of San Marcos - Drainage Master Plan

APPENDIX C
Existing Deficient Systems, 100 Year Results - Sheet 39 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 49
SEE SHEET 30
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'
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'
540'
540'
530'
760' 760'
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'
600'
590'
580'
550' 550'
540'
540'
630'
630'
620'
620'
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'
610' 610'
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'
570' 570'
580' 580'
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'
520'
520'
510' 510'
750'
750'
570' 570'
560' 560'
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_C_100yrResultsMaps_11x17.mxd City of San Marcos - Drainage Master Plan

APPENDIX C
Existing Deficient Systems, 100 Year Results - Sheet 40 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 50
SEE SHEET 31
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'
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'
830' 830'
820'
820'
810' 810'
800' 800'
790'
790'
780' 780'
770' 770'
760'
760'
750' 750'
740'
740'
730'
730'
1190'
1190'
1170'
1170'
1160'
1160'
1150'
1150'
1140'
1140'
1130' 1130'
1120' 1120'
1110' 1110'
1100' 1100'
1090' 1090'
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'
800' 800'
790' 790'
780'
780'
770' 770'
760'
760'
750'
750'
780'
770'
760'
750'
720'
720'
730'
730'
800'
790'
780'
770'
760'
750'
710' 710'
700' 700'
690'
690'
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'
720' 720'
710' 710'
710'
710'
700'
700'
670' 670'
650' 650'
1290'
1290'
1150'
1150'
1070'
1070'
1060'
1060'
690'
690'
680'
680'
1080'
1080'
840'
840'
1180' 1180'
820' 820'
740'
740'
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_C_100yrResultsMaps_11x17.mxd City of San Marcos - Drainage Master Plan

APPENDIX C
Existing Deficient Systems, 100 Year Results - Sheet 41 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 51
SEE SHEET 32
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'
1170'
1170'
1160'
1160'
1150'
1150'
1140'
1140'
1110' 1110'
1100' 1100'
1090' 1090'
1080'
1080'
1070' 1070'
1060' 1060'
1050' 1050'
1040'
1040'
1020'
1020'
1010'
1010'
1000'
1000'
990'
990'
980'
980'
970' 970'
960' 960'
950' 950'
940'
940'
930' 930'
920'
920'
910' 910'
900' 900'
890' 890'
880'
880'
870' 870'
860' 860'
850'
850'
840' 840'
830' 830'
820' 820'
810' 810'
800' 800'
790' 790'
1210'
1210'
1200'
1200'
1190' 1190'
1180' 1180'
1130'
1120'
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'
800' 800'
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' 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'
1030'
1030'
780'
770'
730' 730'
740'
810'
810'
1010'
1010'
1230'
1230'
1220'
990'
990'
980'
980'
760'
760'
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_C_100yrResultsMaps_11x17.mxd City of San Marcos - Drainage Master Plan

APPENDIX C
Existing Deficient Systems, 100 Year Results - Sheet 42 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 52
SEE SHEET 33
SEE SHEET 41SEE SHEET 43

PPEEAARRLL DDRR

PPEEAARRLL
DDRR

SSKKYYLLININEE
PPLL

DDOOUUBBLLEEPPEEAAKKDDRR
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'
1190'
1190'
1180'
1180'
1170'
1170'
1160'
1160'
1150'
1150'
1140' 1140'
1130'
1130'
1120'
1120'
1110'
1110'
1100'
1100'
1210' 1210'
1200'
1200'
1070'
1070'
1060'
1060'
1050' 1050'
1040'
1040'
1030' 1030'
1340'
1340'
1330' 1330'
1320'
1320'
1230' 1230'
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'
1330' 1330'
1320'
1320'
1310' 1310'
1320'
1320'
1310' 1310'
1300'
1300'
1290' 1290'
1280'
1280'
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'
1220' 1220'
1080'
1080'
1100' 1100'
1190'
1190'
1220'
1220'
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'
CBIN11353
CLEN11026
INLT10594
CLEN11299
CBIN11592
CBIN11593
CLEN11300
CLEN11301
INLT10771

SAN MARCOS SAN MARCOS
PIPE14035
PIPE14093
PIPE14039
PIPE13603
PIPE13265
PIPE14034
PIPE14047
PIPE14037
PIPE14036
PIPE13609
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 43 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 53
SEE SHEET 34
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'
1160'
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'
1070'
1070'
1020'
1020'
1010'
1010'
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'
1190' 1190'
1180' 1180'
1170'
1170'
1040'
1040'
1030'
1030'
1000'
1000'
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'
990' 990'
1150' 1150'
1140' 1140'
1130' 1130'
1120' 1120'
1110'
1100'
1090'
1080'
1070' 1070'
1060' 1060'
1050'
1050'
1040' 1040'
1030' 1030'
1020' 1020'
1010' 1010'
920'
910'
900'
890'
890'
880' 880'
870'
870'
860'
860'
850'
840' 840'
830' 830'
1070'
1080' 1080'
1090' 1090'
1100' 1100'
1110'
1110'
1120'
1120'
1130'
1130'
1140' 1140'
1150'
1150'
1070'
940' 940'
930' 930'
920' 920'
910' 910'
900' 900'
890' 890'
880' 880'
870' 870'
860' 860'
850' 850'
1080'
1080'
1070'
1070'
1060'
1050'
1050'
1040'
1050' 1050'
1040'
1040'
1030'
1030'
1020'
1020'
1000'
1000'
990' 990'
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'
950'
950'
940'
920'
920'
910'
910'
900' 900'
980'
980'
970'
970'
900' 900'
890'
890'
1340' 1340'
850'
1160' 1160'
1060' 1060'
870' 870'
1070' 1070'
980' 980'
970' 970'
1000'
980' 980'
1170' 1170'
970'
920' 920'
890'
890'
880' 880'
1210'
1210'
1140' 1140'
1150' 1150'
1010'
1010'
990'
990'
960'
960'
900'
900'
890' 890'
820' 820'
1410'
1220'
1190'
1190'
1160'
1160'
1160'
1160'
1020'
1010' 1010'
990'
990'

SAN MARCOS SAN MARCOS
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 44 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 54
SEE SHEET 35
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
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'
960'
960' 950' 950'
930'
930'
920'
920'
910' 910'
900' 900'
890' 890'
880' 880'
870' 870'
860' 860'
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'
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'
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'
960'
970' 970'
980' 980'
910'
920'
920'
930' 930'
940'
940'
950'
950'
960'
910'
890'
890'
900' 900'
870' 870'
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'
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'
850' 850'
1010' 1010'
1000'
1000'
980' 980'
970'
970'
910'
910'
900'
900'
840'
840'
830'
830'
820' 820'
1020' 1020'
1030' 1030'
1010' 1010'
1000'
1000'
940' 940'
930'
930'
890'
880' 880'
1190'
1190'
940' 940'
850'
850'
830' 830'
1060'
1060'
930'
930'
1100' 1100'
1070' 1070'
860'
860'
750' 750'
850' 850'
770'
770'
870' 870'
860' 860'
990'
990'
970' 970'
870'
870'
1030' 1030'
1030'
1030'
1030'
1030'
990' 990' 990'
990'
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'
810'
810'
810'
810'
CLEN10862
CLEN10863 CBIN11199 CBIN11200
CLEN10864
CLEN10865 CBIN11201 CBIN11202
CLEN10866 INLT10523
CLEN10867 INLT10524
CBIN11203 CBIN11204
INLT10525
INLT10526
CBIN11251
OTHR10966
OTHR10990
INLT10702
OTHR11042
DETB10004
OTLT10191
OTHR11045
OTHR11140
OTHR11141
OTHR11142
OTHR11143 OTHR11145
OTHR11146
OTHR11165
OTHR11166
OTHR11167
OTHR11168
OTHR11169
OTHR11170
OTHR11256
OTHR11257
OTHR11258
OTHR11259
OTHR11260
OTHR11266
OTHR11267

SAN MARCOS SAN MARCOS
PIPE13556
DTCH10354
DTCH10348
PIPE12953
PIPE12802
PIPE12821
PIPE12863
PIPE12859
DTCH10423
DTCH10421
DTCH10350
DTCH10352
DTCH10376
DTCH10378 DTCH10379
DTCH10377
DTCH10375
DTCH10351
DTCH10353
DTCH10349
DTCH10422
DTCH10424
PIPE12866
CHAN10469
PIPE12873
CHAN10468
PIPE12449
PIPE13601
CHAN10467
PIPE12872
PIPE12871
PIPE12870
PIPE12869
DTCH10284
DTCH10425
DTCH10380
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 45 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 55
SEE SHEET 36
SEE SHEET 44SEE SHEET 46

ATTEBURY RD

AATTTTEEBBUURRYY

RRDD WWAASSHHIINNGG
TTOO

NNIIAA DD RR

PPRR IIVVAATTEE RRDD

BBEELLLLAA

VVIITTAA
WWYY

RICK DR RICK DR

OOCCEEAANNVVIIEEWWDDRR
1530' 1530'
1520'
1520'
1510'
1510'
1500'
1500'
1490' 1490'
1480'
1480'
1470'
1470'
1460'
1460'
1450' 1450'
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'
1270'
1270'
1260'
1260'
1250' 1250'
1240'
1240'
1210' 1210'
1200'
1200'
1190'
1190'
1180'
1180'
1160'
1160'
1150'
1150'
1140' 1140'
1130' 1130'
1120'
1120'
1110' 1110'
1100'
1100'
1090'
1090'
1070'
1070'
1080'
1080'
1060' 1060'
1050' 1050'
1040'
1040'
1030' 1030'
1020' 1020'
1010' 1010'
1000'
1000'
990' 990'
1570'
1570'
1560'
1560'
1550' 1550'
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'
1200'
1200'
1210'
1210'
1170' 1170'
1180'
1180'
1190'
1140'
1150' 1150'
1160'
1160'
1120'
1130'
1130'
1140'
1120'
1090' 1090'
1100' 1100'
1110' 1110'
1060'
1060'
1080' 1080'
1040' 1040'
1050' 1050'
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'
1400'
1400'
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'
1040'
1040'
1020'
1020'
1030'
1030'
1020'
1020'
1000'
1000'
990'
990'
980' 980'
1520'
1520'
1510'
1510'
1500'
1500'
1490'
1490'
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'
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'
1440'
1440'
1430'
1430'
1420'
1420'
1280' 1280'
1230'
1230'
1220' 1220'
1170' 1170'
980'
980' 970' 970'
1070'
1070'
1020'
1020'
1010'
1540'
1540'
950' 950'
1280' 1280'
1220'
1560' 1560'
1050'
1050'
1530'
1530'
1500'
1500'
1380' 1380'
1330' 1330'
1020' 1020'
980'
1290'
1290'
1240'
1240'
1230' 1230'

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 46 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 56
SEE SHEET 37
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

PRIVATE RD PRIVATE RD

IINNDDIIAANN RRIIDDGGEE RRDD
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'
1160' 1160'
1140'
1140'
1120' 1120'
1100' 1100'
1090'
1090'
1080' 1080'
1070'
1070'
1060'
1060'
1050' 1050'
1040' 1040'
1030'
1030'
1020' 1020'
1010'
1010'
980'
980'
970' 970'
960'
960'
950'
950'
930' 930'
910' 910'
1170' 1170'
1150'
1150'
1130' 1130'
1110'
1110'
1000' 1000'
990' 990'
940' 940'
920'
920'
900' 900'
1390' 1390'
1380'
1380'
1370'
1370'
1350' 1350'
1340' 1340'
1330'
1330'
1320'
1320'
1310' 1310'
1300'
1300'
1290'
1290'
1280'
1280'
1270'
1270'
1260' 1260'
1250' 1250'
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'
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'
1450' 1450'
890' 890'
1360'
1360'
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_C_100yrResultsMaps_11x17.mxd City of San Marcos - Drainage Master Plan

APPENDIX C
Existing Deficient Systems, 100 Year Results - Sheet 47 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 57
SEE SHEET 46

PPAA SSEEOO CCEERRRROO PPAA SSEEOO DDEESSCCAANNSSOO

VIA CANCION VIA CANCION

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
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'
470' 470'
460'
460'
370' 370'
360' 360'
740' 740'
730' 730'
430'
420' 420'
590'
590'
590'
590'
590'
590'
700'
530' 530'
510'
510'
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'
INLT10842
INLT10843
CBIN11766
INLT10844
INLT10845
OTHR11495
CBIN11847
OTLT10251
OTLT10264
OTHR11522
OTHR11523
OTLT10268
CBIN11861 CBIN11862
CLEN11532
CBIN11863
INLT10926
CLEN11533
CBIN11865
INLT10927
INLT10938
OTLT10286 INLT10941
OTHR11687
OTHR11688
OTHR11689 OTHR11690
OTHR11691
OTHR11693
OTHR11694
OTHR11695
OTHR11696
OTHR11697
OTHR11698
CBIN11885
OTHR11727
CBIN11887
CBIN11888
S.D. COUNTY S.D. COUNTY

CARLSBAD CARLSBAD

SAN MARCOS SAN MARCOS
PIPE14824
CHAN10775
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
OTHR11750
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 48 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 59
SEE SHEET 38
SEE SHEET 49

RRUUEESSTT MMAARRTTIINN

VIA CARRILLO VIA CARRILLO

RRUUEE SSTT JJEEAANN

HERMOSITA DR HERMOSITA DR

CC AA MM

DDEE LL

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

VV AIAI SSAANN JJAACCININTTOO

VIA LOBO
RRUUEE
SSTT

JJEEAANN

AZUL VISTA AZUL VISTA

RRUUEE SSTT MMAARRTTIINN

IISSLL AA NNDD DD RR

VVIIAA DDEELL CCOORRVVOO

VVIAIA II NNSSPPIIRRAARR
VVIAIA

BBUUEENNAA VV SISI TTAA

VIA RAFAEL VIA RAFAEL

EL PASEO EL PASEO
VVII

AA PPOORRTTOOVVEECCCCHHIIOO

VIA ALLONDRA
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'
640'
640'
630'
630'
630'
620' 620'
610' 610'
580'
580'
550' 550'
520'
520'
520'
510'
510'
590'
590'
540'
540'
INLT10842
INLT10927
INLT10949
INLT10950
OTHR11726
CBIN11886
OTHR11728
OTHR11729
OTHR11730
S.D. COUNTY S.D. COUNTY

SAN MARCOS SAN MARCOS
PIPE14832
PIPE14828
PIPE14746
PIPE14708
PIPE14826
PIPE14821
PIPE14833
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 49 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 60
SEE SHEET 39
SEE SHEET 48SEE SHEET 50

PPAANNOORRAAMMAA
AAVV

CCAAMM DDEELL LLAAGGOO

VVIIAA 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

VIA RISA

VVIIAA IINNSSPPIIRRAARR

CCAAMM DDEE VVEELLAA

LLAA LLOOMMAA DDRR

EL CHICO LN EL CHICO LN

CC AAMMTTOO AAGGUUAARR

VVII AA OOCCIOIOSSOO
VVIIAA

CCAAMM IINN
AA
RR

RRUUEE SSTT MMAARRTT NI
NI

RRUUEE SSTT MMAARRTTIINN
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'
CBIN11404
INLT10709
INLT10711
S.D. COUNTY S.D. COUNTY
PIPE13564
PIPE13416
PIPE13565
PIPE13563
OTLT10339 OTLT10340
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 50 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 61
SEE SHEET 40
SEE SHEET 49SEE SHEET 51

SSAANN PPAABBLLOO DDRR

SAN PABLO DR

SAN JULIAN DR SAN JULIAN DR

PPRRIIVVAATTEE RRDD

LLAA PPLLAAZZAA DDRR

SSAANN JJUULLIIAANN PPLL

LLAA LLOOMMAA DDRR

SAN PABLO DR SAN PABLO DR
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'
780' 780'
770' 770'
760'
760'
750' 750'
740'
740'
730'
730'
720' 720'
690'
690'
680'
680'
670'
670'
660' 660'
650'
650'
640'
640'
600'
600'
590'
590'
580'
580'
570'
570'
560' 560'
750' 750'
740'
740'
730' 730'
720'
720'
680' 680'
670' 670'
660'
660'
650' 650'
630' 630'
620' 620'
610' 610'
740' 740'
730' 730'
550' 550'
540'
540'
530' 530'
520' 520'
540'
550'
550'
520' 520'
510' 510'
580' 580'
700' 700'
670'
630' 630' 630' 630'
630'
630'
630' 630'
610'
610'
580'
580'
570' 570'
570'
570'
520' 520'
570'
570'
OTHR11224
OTHR11225
S.D. COUNTY S.D. COUNTY
CHAN10429
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 51 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 62
SEE SHEET 41
SEE SHEET 50SEE SHEET 52

LLAA SSOOMMBBRRAA DDRR

JJ UUGG AADDOORR
CCTT

VV SISI TTAA CCOOLL NINI AA DDRR

SSAANN PPAABBLLOO DDRR

LLAA GGRRAANNAADDAA DDRR

LLAASSVVIISSTTIILLLLAASSLLNN

LLAA SSUUBBIDIDAA WWYY

LAS NUBES CT LAS NUBES CT

VVAALLEENNCCIIAA AAVV

LLAA PPLLAAZZAA DDRR
VVIIAA

VVEERRAA

CCRRUU ZZ

MIRACIELO CT MIRACIELO CT

VVIISSTTAA CCOOLLIINNAA DDRR
1020' 1020'
1010'
1010'
1000'
1000'
990' 990'
980' 980'
970'
970'
960'
960'
940'
940'
930'
930'
920'
920'
910' 910'
900' 900'
890'
890'
880' 880'
870'
870'
860'
860'
850' 850'
840' 840'
830' 830'
820'
820'
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'
770' 770'
760'
760'
750' 750'
740'
740'
720'
720'
710'
710'
700' 700'
690' 690'
680' 680'
720' 720'
710' 710'
700'
700'
690'
690'
680' 680'
670' 670'
660' 660'
650' 650'
640' 640'
630' 630'
790'
790'
780' 780'
770' 770'
760' 760'
750' 750'
740' 740'
730' 730'
720' 720'
710' 710'
820'
810'
800'
790'
790'
780'
770'
770'
710' 710'
700'
700'
690'
690'
680' 680'
700' 700'
690'
690'
680' 680'
670'
670'
960' 960'
950'
950'
940' 940'
680'
670'
660'
650'
650'
640' 640'
600'
600'
590'
590'
620'
620'
610' 610'
920'
920'
910'
730' 730'
720' 720'
620'
620'
610'
780'
780'
770'
770'
650'
650'
640' 640'
1030'
1030'
950'
950'
810' 810'
800'
800'
730'
800'
800'
760'
760'
630' 630'
740'
720'
720'
790' 790'
730'
730'
720' 720'
730'
730'
720'
700'
670'
670'
670'
650'
650'
630' 630'
630'
630'
630' 630'
580'
580'
620'
620'
CLEN10927
CBIN11405
INLT10638
INLT10720
OTHR11223
OTHR11224
S.D. COUNTY S.D. COUNTY

SAN MARCOS SAN MARCOS
PIPE13574
CHAN10428
PIPE13000
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 52 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 63
SEE SHEET 42
SEE SHEET 51SEE SHEET 53

PPRRIVIVAATTEE RRDD

SSKKYYLLININEE PPLL

VVIIAA VVEERRAA CCRRUUZZ

BRIDGEPORT CT
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'
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'
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'
980'
970' 970'
960' 960'
950'
950'
940'
940'
930'
930'
920'
920'
910' 910'
840'
840'
820'
810'
800'
790'
780'
770'
760'
750'
740'
730' 730'
720'
720'
710'
710'
700'
700'
880'
870'
860'
860'
850'
850'
840'
840'
830' 830'
820'
820'
810'
810'
800'
800'
790'
790'
880'
880'
870' 870'
860' 860'
850'
850'
840'
840'
830'
830'
820' 820'
810' 810'
800'
800'
790' 790'
780'
1160' 1160'
1150' 1150'
1140' 1140'
1130'
1130'
1120'
1120'
1110' 1110'
970' 970'
960' 960'
700'
700'
690' 690'
680' 680'
670' 670'
760' 760'
750'
1230' 1230'
1220'
1220'
1230' 1230'
1210' 1210'
660'
660'
650'
650'
1250'
1250'
1240' 1240'
880'
880'
870'
870'
860' 860'
850'
820' 820'
810' 810'
800' 800'
790' 790'
780' 780'
770' 770'
970' 970'
740' 740'
730'
730'
720'
720'
710'
710'
1220' 1220' 1210'
1210'
900'
890'
890'
830' 830'
640'
1050'
1050'
890'
890'
850'
770'
770'
650' 650'
CBIN11339
CBIN11340
INLT10585
OTHR10978 CLEN11018
CBIN11341
CBIN11343
CBIN11344 CBIN11345
INLT10587
INLT10588
CBIN11346 CBIN11347
CBIN11348
CBIN11349
CLEN11019
CBIN11350
INLT10589
CLEN11020
CLEN11021
CLEN11022
OTLT10164
CBIN11351
CLEN11023
CLEN11024
CBIN11352
INLT10595
INLT10596
CLEN11027
CBIN11354
CBIN11355
INLT10597 CBIN11356
CBIN11359
INLT10598
INLT10599
INLT10600
CBIN11360
CBIN11361
OTHR11149
OTHR11150
OTHR11151
OTHR11152
OTHR11153
OTHR11154
OTHR11155

SAN MARCOS SAN MARCOS
PIPE13256
PIPE13277
PIPE13239
PIPE13268
PIPE13237
PIPE13269
PIPE13275
PIPE13245
DTCH10360
PIPE13235
PIPE13273
PIPE13241
PIPE13250
PIPE13232
PIPE13276
PIPE13271
PIPE13249
PIPE13257
PIPE13263
DTCH10362
DTCH10365
DTCH10364
DTCH10366
DTCH10361
DTCH10363
PIPE13259
PIPE13234
PIPE13238
PIPE13251
PIPE13244
PIPE13274
PIPE13270
PIPE13253
PIPE13243
PIPE13000
PIPE13603
PIPE13247
PIPE13266
PIPE13267
PIPE13252
PIPE13236
PIPE13233
PIPE13248
PIPE13246
PIPE13255
PIPE13264
PIPE13240
PIPE13242
PIPE13258
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 53 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 64
SEE SHEET 43
SEE SHEET 52SEE SHEET 54

SSTTOONNEERR DIDI GGEEWWYY

PRIVATE DY PRIVATE DY

CCAANNYYOONN HHEEIGIGHHTTSS

PRIVATE RD PRIVATE RD
1120'
1120'
1110'
1110'
1100'
1100'
1090'
1090'
1080'
1080'
1070'
1070'
1060'
1060'
1050'
1050'
1040'
1040'
1030'
1030'
1020'
1020'
1000'
1000'
990' 990'
980'
980'
970' 970'
960' 960'
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'
940'
940'
730'
730'
720' 720'
710' 710'
910' 910'
900'
900'
890'
890'
880'
880'
870'
870'
860'
860'
850' 850'
840' 840'
830' 830'
820'
820'
810'
810'
800' 800'
790' 790'
780' 780'
770'
770'
760'
760'
750'
750'
740'
740'
730'
730'
720' 720'
710'
710'
700' 700'
950'
930'
920' 920'
880'
870'
860'
850' 850'
840'
840'
830' 830'
820'
810' 810'
800'
800'
910' 910'
900' 900'
880'
890' 890'
870'
870'
880'
840' 840'
850'
850'
860'
860'
1140' 1140'
1130'
1130'
1120' 1120'
1110' 1110'
1100'
1100'
940' 940'
930'
930'
920' 920'
740' 740'
730'
730'
720'
720'
710'
710'
700' 700'
930' 930'
940'
940'
910' 910'
920'
920'
950'
950'
940'
940'
930'
930'
760'
760'
750'
750'
740'
740'
710' 710'
700' 700'
690' 690'
680' 680'
950'
950'
940'
940'
930' 930'
710' 710'
700' 700'
690' 690'
680' 680'
700'
700'
690' 690'
690' 690'
680' 680'
950'
950'
940' 940'
810' 810'
800'
800'
700' 700'
690' 690'
1010'
1010'
690'
920'
920'
890'
890'
950' 950'
980'
980'
960' 960'
700' 700'
690'
690'
670'
670'
1130'
1130'
960' 960'
900'
900'
900'
840' 840'
770'
770'
770'
720'
720'
720'
720'
700' 700'
690' 690'
690'
690'
690' 690'
690' 690'
CLEN11024
CLEN11025
INLT10591
INLT10592
INLT10593
CBIN11356
CBIN11357
CBIN11358 SAN MARCOS SAN MARCOS
PIPE13277
PIPE13262
PIPE13272
PIPE13270
PIPE13261
PIPE13271
PIPE13259
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 54 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 65
SEE SHEET 44
SEE SHEET 53SEE SHEET 55

VILLAGE DR VILLAGE DR

BBOOLLEEXX
WWYY

ALMOND RD ALMOND RD

VIRTUE LN

WATERLOO WY

VIRTUE LN

MMEERR IITT DDRR

GEMSTONE DR

SSAANNTTAA BBAARRBBAARRAA DDRR
PP

RRIIVVAATTEE RR
DD

HATFIELD DR

PEARLEAF CT

KELLOGG ST

S TWIN OAKS VALLEY RD

BBEELLLLAA

VVIITTAA
WWYY
1030'
1020'
1020'
1000' 1000'
990'
990'
980' 980'
970' 970'
960'
960'
950'
940'
940'
930'
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'
750'
750'
930' 930'
920'
920'
910'
910'
900' 900'
890'
890'
880'
880'
870'
870'
860'
860'
850'
850'
790'
790'
840'
840'
830' 830'
820' 820'
800'
800'
810' 810'
770'
770'
760'
750' 750'
880'
870'
870'
860' 860'
850'
850'
840'
830' 830'
820' 820'
810' 810'
800'
800'
790'
790'
780'
780'
770'
770'
890'
890'
880'
870'
860'
870'
870'
860'
850'
820' 820'
810' 810'
760'
760'
750'750'
740'
740'
960' 960'
950' 950'
940'
940'
820'
820'
800'
800'
1050'
1050'
1040'
1040'
840'
840'
830' 830'
750' 750'
740'
740'
700'
700'
690' 690'
680' 680'
890'
880' 880'
810' 810'
800'
800'
720'
710' 710'
1010' 1010'
740'
730' 730'
780' 780'
810' 810'
800'
800'
760' 760'
770'
770'
850'
850'
810' 810'
760' 760'
850'
850'
840'
830'
820'
820'
750' 750'
700'
700'
680'
680'
750'
750'
OTHR10877
CBIN11055
CBIN11056
CBIN11057 CBIN11058
CBIN11059
CBIN11060 CBIN11061
CLEN10728 INLT10463
OTHR10878
OTHR10880 OTHR10881
OTHR10882
CLEN10730
CLEN10751
INLT10472
CBIN11195
CBIN11196
CLEN10861 CBIN11197
CBIN11198
INLT10529
INLT10542
CLEN11090
OTHR10992
OTHR10993 CLEN11092
INLT10658
INLT10659
CLEN11104
CLEN11105 CBIN11416
CLEN11107
CLEN11108
CLEN11109 CLEN11110 INLT10661
INLT10662
INLT10663
CLEN11118
CBIN11421
CBIN11423
CBIN11424
CBIN11425
CBIN11426
INLT10690
INLT10691
INLT10692
OTLT10186
OTHR11017
OTHR11018
OTHR11019
OTHR11020
OTHR11021
OTHR11022
INLT10693
INLT10694
INLT10695
INLT10697
INLT10698
INLT10699
OTLT10187
OTHR11023
OTHR11024
INLT10700
OTHR11030
OTHR11031
OTLT10190
OTHR11041
OTHR11043
OTHR11044
INLT10725
INLT10727
OTHR11082
OTHR11083
OTHR11084
OTHR11085
OTHR11086
OTHR11087
OTHR11088
OTHR11094
OTHR11136
OTHR11137
OTHR11138
OTHR11139
OTHR11162
OTHR11163
OTHR11164
OTHR11250
OTHR11251
OTHR11268
OTHR11269
OTHR11270

SAN MARCOS SAN MARCOS
PIPE13533
PIPE13463
PIPE13537
PIPE12503
PIPE13487
PIPE13491
PIPE12469
CHAN10364
PIPE13500
PIPE12511
CHAN10456
PIPE13451
PIPE12880
PIPE13488
PIPE13460
CHAN10363
PIPE13446
CHAN10369
CHAN10362
PIPE13448
PIPE12513
PIPE12791
CHAN10360
PIPE13534
CHAN10368
PIPE13548
PIPE12874
PIPE12509
PIPE13461
PIPE13529
FLOW10032
CHAN10400
CHAN10370
CHAN10366
PIPE12522
PIPE13462
CHAN10472
PIPE12502
DTCH10345
DTCH10344
DTCH10346
PIPE13447
PIPE12523
PIPE13552
PIPE13490
PIPE12473
PIPE13538
CHAN10469
PIPE13602
PIPE13540
PIPE13464
PIPE13531
PIPE12545
CHAN10457
CHAN10470
CHAN10471
CHAN10398
PIPE13528
PIPE13536
PIPE12873
PIPE13459
PIPE12498
PIPE12458
PIPE13530
PIPE13535
PIPE12497
FLOW10031
PIPE13458
PIPE12506
PIPE13547
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 55 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 66
SEE SHEET 45
SEE SHEET 54SEE SHEET 56

BOLEX WY

GGAARRLLAANNDDAAVV SSAAVVOONNAA LLNN

CCUUSSTTEERR AAVV

PPRRIIVVAATTEE RRDD

CCOOCCOOSSDDRR

PPRR IIVVAATTEE
RRDD

BBEELLLLAA VVIITTAA WWYY
1240'
1240'
1250' 1250'
1230' 1230'
1210' 1210'
1200' 1200'
1190' 1190'
1120' 1120'
1140' 1140'
1150' 1150'
1160' 1160'
1170' 1170'
1180'
1180'
1100'
1100'
1070' 1070'
1080' 1080'
1090'
990'
1000' 1000'
1010' 1010'
1020' 1020' 1030'
1040' 1040'
1050' 1050'
940'
950' 960'
970'
980' 980'
920'
920'
930' 930'
880' 880'
890'
900'
870'
870'
1220' 1220'
1130'
1130'
1110' 1110'
860' 860'
850' 850'
840'
840'
830' 830'
820' 820'
810'
810'
1150' 1150'
1140' 1140'
1130' 1130'
1120' 1120'
1110'
1110'
1080' 1080'
1060'
1060'
1050'
1050'
1040' 1040'
1030'
1030'
1020'
1020'
1010' 1010'
1000' 1000'
1100' 1100'
1090'
1090'
1180'
1180'
1170' 1170'
1270' 1270'
1240'
1240'
1230'
1230'
1220' 1220'
1210'
1210'
1200' 1200'
1190' 1190'
1180' 1180'
1010'
1010'
1000'
1000'
990'
990'
980' 980'
970' 970'
960' 960'
1210'
1210'
1200'
1200'
1190'
1190'
1170'
1170'
1160' 1160'
1040' 1040'
1030' 1030'
1020'
1020'
1010' 1010'
1000' 1000'
990'
990'
1030'
1020'
1020'
1010'
1010'
1000'
1000'
990' 990'
1310' 1310'
1300' 1300'
1290' 1290'
1270'
1270'
1260'
1260'
1250'
1250'
1030' 1030'
1020'
1010' 1010'
880'
870'
860'
850'
1170' 1170'
1160' 1160'
1150' 1150'
1290'
1290'
1280'
1280'
1060' 1060'
910' 910'
800' 800'
790' 790'
1160' 1160'
1260'
1260'
1250'
1250'
1020'
1020'
1150' 1150'
1280'
1280'
1170'
1170'
1020' 1020'
1150'
1090' 1090'
1070' 1070'
1040'
1040'
1000' 1000'
990'
990'
800' 800'
790'
CLEN11119
CLEN11121
CLEN11122
CLEN11123
CLEN11124
INLT10670
INLT10671
CLEN11125
INLT10672
CLEN11128
INLT10727
INLT10730

SAN MARCOS SAN MARCOS
PIPE13509
PIPE13511
PIPE13491
PIPE13506
PIPE13508
PIPE13505
PIPE13510
PIPE13494
PIPE13493
PIPE13552
PIPE13551
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 56 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 67
SEE SHEET 46
SEE SHEET 55SEE SHEET 57

CORONADO HILLS DR CORONADO HILLS DR

CCOOCCOOSSDDRR

WWAASSHHININGGTTOONNIAIA
DDRR

VINTAGE PT DR VINTAGE PT DR

DDEENNIISSEECCTT

PPRRIIVVAATTEE RRDD

SSOOLLOO RROOBBLLEEDDRR

PPHHOOEENNIXIX
WWYY

JASON LN

CCYYCCAADD DDRR

PPRRIIVVAATTEERRDD
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'
1010'
1020' 1020'
1010'
1000'
1000'
1330' 1330'
1320'
1320'
1310'
1310'
1300'
1300'
1290'
1290'
1280'
1280'
1270'
1270'
1260'
1260'
1250' 1250'
1230' 1230'
1220' 1220'
1210' 1210'
1200' 1200'
1190'
1190'
1180' 1180'
1170' 1170'
1160' 1160'
1150'
1150'
1110' 1110'
1100'
1100'
1090'
1090'
1080'
1080'
1070'
1070'
1060'
1060'
1050' 1050'
1040' 1040'
1020'
1010'
1140' 1140'
1130' 1130'
1120'
1120'
1030' 1030'
1000' 1000'
990' 990'
1350'
1350'
1340'
1340'
1330'
1330'
1320'
1320'
1310'
1310'
1370'
1370'
1360'
1170'
1160'
1150' 1150'
1140' 1140'
1190'
1190'
1180'
1180'
1200' 1200'
1190' 1190'
1180' 1180'
1170'
1170'
1160' 1160'
1150'
1150'
1140' 1140'
1130'
1120'
1380'
1380'
1370' 1370'
1360' 1360'
1180' 1180'
1170'
1170'
1160'
1160'
1160'
1150'
1150'
1140' 1140'
1240' 1240'
1230'
1230'
1130' 1130'
1120' 1120'
1240'
1350' 1350'
1380' 1380'
1320'
1320'
1240'
1190'
1190'
1160'
1160'
1110'
1110'
980' 980'

SAN MARCOS SAN MARCOS
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 57 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 68
SEE SHEET 47
SEE SHEET 56SEE SHEET 58

PRIVATE RD PRIVATE RD

VVININTTAAGGEEPPTT DDRR

DENISE CT DENISE CT

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

SAN MARCOS
720' 720'
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 58 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 69
SEE SHEET 57

SSEEAA IISSLLAANNDD PPLL

WHITE SANDS DR

SSUUMMMMIITT
PPTT
WWYY

GOYA PL GOYA PL

ROCKY POINT WY ROCKY POINT WY

COAST AV

COAST AV
740'740'
730'
730'
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'
610' 610'
620' 620'
630' 630'
640' 640'
590'
590'
600' 600'
580'
580'
560'
540'
500'
510'
520'
530'
530'
490' 490'
470' 470'
480'
480'
450' 450'
460' 460'
440' 440'
430'
430'
420' 420'
400'
400'
390'
390'
380' 380'
660'
660'
650'
650'
640' 640'
630' 630'
620'
620'
610' 610'
600' 600'
590' 590'
580'
580'
570'
570'
620' 620'
610'
610'
600'
600'
590'
590'
640'
640'
630' 630'
620'
620'
610'
610'
430'
430'
440' 440'
400'
410'
410'
420'
420'
400'
590'
590'
580' 580'
570' 570'
560' 560'
430' 430'
420'
410' 410'
590' 590'
580'
580'
570' 570'
690' 690'
680' 680'
690' 690'
680' 680'
640'
640'
630' 630'
720'
720'
440'
440'
650'
650'
660' 660'
550'
550'
410' 410'
600' 600'
760' 760'
750' 750'
400' 400'
700' 700'
700'
700'
680' 680'
680'
680'
670'
670'
670'
670'
660'
660'
660'
660'
650'
650'
650'
650'
640' 640'
570' 570'
560' 560'
560' 560'
560'
560'
550'
550'
500'
500'
490'
490'
460' 460'
460' 460'
400' 400'
390' 390'
OTLT10232
CBIN11788
CLEN11471
INLT10863 INLT10864
CBIN11789
CBIN11790
CLEN11472
OTLT10233
CBIN11791
CLEN11473
OTLT10234
CLEN11479
CLEN11483
CBIN11800
CLEN11485
CBIN11856
CBIN11873
CBIN11874
S.D. COUNTY S.D. COUNTY

CARLSBAD CARLSBAD SAN MARCOS SAN MARCOS
PIPE14493
PIPE14496
PIPE14484
PIPE14498
PIPE14491
PIPE14515
PIPE14719
PIPE14499
PIPE14495
PIPE14497
PIPE14689
PIPE14494
PIPE14765
PIPE14766
PIPE14500
FLOW10057
FLOW10056
FLOW10072
OTLT10357
CBIN11890
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 59 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 71
SEE SHEET 48
SEE SHEET 60

HHUUNNTTIINNGGTTOONN RRDD

CCAAMM DDEELL AARRRROOYYOO DDRR

CCAALLLLEE DDEELL AARRRROOYYOO

HAMPTON RD HAMPTON RD

BBRRIDIDGGEEHHAAMMPPTTOONN SSTT

LAKE RIDGE DR LAKE RIDGE DR

WESTPORT RD WESTPORT RD

PRIVATE RD

BBEEAACCOONN HHIILLLL

PPRRIIVVAATTEE
RRDD

PPRR IIVVAATTEERRDD

PPRRIIVVAATTEE RRDD

PRIVATE RD PRIVATE RD

CCAAMMBBRRIIDDGGEECCTT

LLAA VVEERRDDEE DDRR

ISLAND DR ISLAND DR

SSOOUUTTHHAAMMPPTTOONN SSTT

FFAARRMMI

INNGGTTOONN PPLL

PPRRIVIVAATTEERRDD

PRIVATE RD

PRIVATE RD PRIVATE RD

PPRR IIVVAATTEE RR
DD

PPRRIIVVAATTEE RRDD

PRIVATE RD

PPRRIIVVAATTEE RRDD

FFAALLLLRRIIVVEERR WWYY LLAA

VVEERRDDEE LLNN

HHEERRMMOOSSIITTAA DDRR

SSTTRRAATTFFOORRDD CCTT

NNEEWW HHAAVVEENN RRDD

CALLE DEL BASTON CALLE DEL BASTON

VV IIAA

PPOORRTTOOFFIINNOO

BROKEN ROCK RD

BLUESAGE DR BLUESAGE DR

WWAATTEERRBBUURRYY
CCTT

DDEELL RROOSSAA
LLNN

CAM LINDA DR CAM LINDA DR

EELLRRAANNCCHHOO VVEERRDDEE

EELL CCOORRRRAALL LLNN

ROCKY POINT WY ROCKY POINT WY

CCOOAASSTTAAVV

RRUUEESSTT MMOORRIITTZZ

CCRRYYSSTTAALL CCOOVVEEWWYY

S RANCHO SANTA FE RD S RANCHO SANTA FE RD

OOCCEEAANN BBRREEEEZZEE SSTT
LLAA

CCAASSAA
DDRR
590'
590'
580'
580'
630'
630'
620'
620'
550'
550'
540' 540'
690' 690'
670' 670'
660' 660'
650' 650'
640' 640'
630' 630'
640' 640'
630' 630'
620'
620'
610'
610'
600'
600'
590'
590'
690' 690'
680'
680'
670'
670'
660'
660'
600' 600'
590'
590'
580'
580'
670'
670'
660'
660'
600'
600'
590'
590'
580'
580'
600' 600'
590' 590'
580' 580'
700' 700'
690'
690'
680'
680'
690'
690'
680'
680'
610' 610'
600' 600'
600'
600'
590' 590'
600' 600'
590'
590'
590'
590'
580'
580'
570' 570'
680'
680'
670' 670'
660'
660'
650' 650'
610' 610'
600' 600'
580' 580'
570'
570'
660' 660'
650' 650'
640' 640'
610'
610'
600' 600'
570'
570'
560'
560'
650'
650'
610'
610'
680' 680'
690' 690'
590' 590'
590' 590'
700'
700'
700' 700'
660' 660'
640' 640'
640' 640'
630'
630'
630'
620'
610' 610'
610' 610'
580'
580'
580'
580'
700' 700'
580' 580'
550' 550'
540'
540'
INLT10530
CBIN11216
CBIN11378
CLEN11052
INLT10616
OTHR11244
OTHR11245
OTHR11246
OTHR11247
OTHR11248
CLEN11467
CBIN11785
CBIN11786
CLEN11468
CBIN11787
CLEN11469
OTLT10232
CLEN11470
CLEN11534
OTHR11527
CLEN11549
CBIN11880
S.D. COUNTY S.D. COUNTY

SAN MARCOS SAN MARCOS
PIPE14487
PIPE13336
PIPE13334
PIPE12885
CHAN10449
PIPE13333
PIPE14486
PIPE12886
PIPE13335
PIPE12884
PIPE14489
PIPE14702
PIPE14488
PIPE14765
CHAN10452
PIPE14701
PIPE14700
CHAN10450
CHAN10451
CHAN10453
PIPE14492
PIPE14491
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 60 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 72
SEE SHEET 49
SEE SHEET 59SEE SHEET 61

CAM DEL LAGO CAM DEL LAGO

VVIIAA BBRRIISSAA DDEELL LLAAGGOO

CCAALLLLEE DDEELL AARRRROOYYOO

SSAANN MMAARRIINNOODDRR

LOS CAMPANEROS LOS CAMPANEROS

PRIVATE RD PRIVATE RD

LLAAKKEE
SSAANN

MMAARR CCOOSS
DD RR

HHEERRMMOOSSIITTAA DDRR

LLAA CCAASSAA LLNN

MARTINA CT

VVIIAA EENNTTRRAADDAA DDEELL LLAAGGOO

CALLE DE LOS SERRANO CALLE DE LOS SERRANO

CALLE DEL BASTON CALLE DEL BASTON

SUSANA CT SUSANA CT

LLAA PPLLUUMMAA CCTT

RRUUEESSTT MMOORRIITTZZ

LLAA BBOONN TITI AA DDRR

LLAA FFIEIESSTTAA
WWYY

LLAA CCAASSAA DDRR

VVIIAA PPOORRTTOOFFII
NNOO

CALLE DEL BASTON CALLE DEL BASTON

VVIIAA BBAARRLLOOVVEENNTTOO

LLAA HHAABBRRAA DDRR

WATERLILY WY WATERLILY WY
VVIAIA

VVIEIENNTTOO

SSUUAAVVEE

LLOOSSCCOORRDDEERROOSS

LLAA LLII

NNDDAA DDRR

PPRRIIVVAATTEE RRDD

CCIIRRCCAA DDEELL LLAAGGOO
590'
590'
570' 570'
560' 560'
550' 550'
540'
540'
520' 520'
510' 510'
600' 600'
580' 580'
530' 530'
600' 600'
590' 590'
580' 580'
570' 570'
560' 560'
550'
550'
560'
550' 550'
540' 540'
530'
550'
550'
540' 540'
570' 570'
560'
560'
570'
570'
560'
560'
550'
540'
530'
530'
520'
590'
590'
580' 580'
540'
530' 530'
560'
560'
550' 550'
540' 540'
540' 540'
530' 530'
510'
510'
520'
520'
510'
510'
510' 510'
510'
CBIN11223
OTHR11050
INLT10706
INLT10707
INLT10710
INLT10712
INLT10713
INLT10714
INLT10715
INLT10716
INLT10717
INLT10718
INLT10719
OTHR11248
OTHR11249
S.D. COUNTY S.D. COUNTY
PIPE13570
CHAN10455
PIPE13566
PIPE13573
PIPE13561
PIPE13571
PIPE13562 PIPE13610
DTCH10410
CHAN10453
PIPE13568
PIPE12909
PIPE13572
PIPE13567
CHAN10454
PIPE13569
PIPE13563
OTLT10341
OTLT10342
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 61 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 73
SEE SHEET 50
SEE SHEET 60SEE SHEET 62

SSAANN PPAABBLLOODDRR

SSAANN PPAABBLLOO DDRR
LLAA

NNOOCCHHEE
DDRR
LLAA

LLOOMMAA
DDRR
LLAA

HHAABBRRAA
DDRR

SAN JULIAN DR SAN JULIAN DR

SAN JULIAN LN SAN JULIAN LN
LLAA

LLIINNDDAA
DDRR

FFAAIIRRWWAAYY CCIIRRCCLLEE DDRR

LLAA RREEININAA DDRR
620' 610'
600' 590'
580'
570' 570'
520' 520'
510' 510'
550' 550'
540' 540'
550' 550'
540' 540'
530' 530'
540' 540'
530' 530'
590'
580'
570' 570'
560' 560'
520' 520'
510' 510'
560' 560'
520'
630'
630'
610'
570'
570' 570'
560' 560'
550' 550'
530' 530'
530' 530'
520' 520'
520' 520'
520' 520'
520' 520'
510' 510'
510' 510'
510' 510'
DETB10005
OTHR11182
OTHR11185
OTHR11186
OTHR11225
OTHR11226
OTHR11227
OTHR11228
OTHR11229
OTHR11230
OTHR11231
OTHR11232
OTHR11233
OTHR11234
S.D. COUNTY S.D. COUNTY
DTCH10390 FLOW10036 DTCH10385
CHAN10429
DTCH10386
DTCH10389
DTCH10387
DTCH10388
CHAN10439
CHAN10432
CHAN10436
CHAN10437
CHAN10438
CHAN10431
CHAN10435 CHAN10434
CHAN10433
CHAN10430
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 62 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 74
SEE SHEET 51
SEE SHEET 61SEE SHEET 63

LLAA NNOOCCHHEE DDRR

LLAA SSOO

MMBBRR AA DD RR

CIMA DR CIMA DR

GOLDFINCH WY GOLDFINCH WY

ROBIN CT ROBIN CT

PARTRIDGE CT PARTRIDGE CT

BLUE JAY LN BLUE JAY LN

VVAALLEENNCCIIAA AAVV

PHEASANT CT PHEASANT CT

QQUUAAIILL HHIILLLL DDRR

SSEERREENNAA
WWYY

VVAALLEENNCCIIAA AAVV

MOCKINGBIRD LN MOCKINGBIRD LN

CARDINAL CT CARDINAL CT

SUNRISE WY SUNRISE WY

MMCCMMAAHHRR RRDD

CANARY CT CANARY CT

STARLIGHT LN STARLIGHT LN

PPIIPPPP IINN CCTT

VVAIAI VVEERRAA CCRRUUZZ

COYOTES WY

HHOONNEEYYSSUUCCKKLLEE DDRR

BBAAJJAA WWYY

OORRIIOOLLEE WWYY

JUGADOR CT
660' 660'
650' 650'
640' 640'
630' 630'
620'
620'
610' 610'
600' 600'
590'
590'
580' 580'
570' 570'
670'
670'
560' 560'
650' 650'
640'
640'
630'
630'
620'
620'
610' 610'
600'
600'
590' 590'
580'
580'
570' 570'
560' 560'
540' 540'
680'
680'
670' 670'
660' 660'
650' 650'
630' 630'
620' 620'
610'
600'
590'
580'
640'
640'
630'
630'
660'
660'
650' 650'
640'
640'
630'
630'
610'
610'
600' 600'
590'
590'
580' 580'
660' 660'
650'
640'
620'
620'
610' 610'
610'
600'
590'
590' 590'
570' 570'
680' 680'
670'
660'
650'
620'
620'
610'
610'
590' 590'
570' 570'
550'
550'
540' 540'
550' 550'
640'
640'
680'
680'
640'
640'
640'
630' 630'
620' 620'
620'
620'
690'
690'
640' 640'
630'
630'
630' 630'
620' 620'
600'
600'
590' 590'
570' 570'
570'
570'
560'
560'
550'
550'
550'
550'
CLEN10884
INLT10536
INLT10539
CBIN11235
CBIN11237
OTHR10924
CBIN11243
CLEN10888
INLT10540
CBIN11244
CLEN10906
CLEN10907
INLT10543
INLT10544
OTLT10149
OTLT10150
OTHR10938
OTLT10152
CLEN10919
CLEN10920
CLEN10922
CBIN11262
OTLT10153
CBIN11264 CBIN11265
CLEN10925
CLEN10926
CBIN11266
CLEN10927
CBIN11274
CLEN10931
OTHR10979
CBIN11374
CBIN11375
CBIN11381
CBIN11417
OTHR11011 OTHR11040
INLT10704
OTLT10193
INLT10705
OTLT10194
OTLT10195 DETB10005
OTHR11070 OTHR11071 OTHR11072
OTHR11075
OTHR11076
OTHR11080 OTHR11079 OTHR11078 OTHR11077
OTHR11124 OTHR11125
OTHR11134
OTHR11182
OTHR11183
OTHR11184
OTHR11185
OTHR11186
OTHR11187
OTHR11208
OTHR11252
OTHR11253
OTHR11254
OTHR11255
S.D. COUNTY S.D. COUNTY

SAN MARCOS SAN MARCOS
PIPE12985
PIPE12457
PIPE12998
DTCH10294
CULV10220
PIPE12962
PIPE13559
PIPE13338
PIPE12701
PIPE13437
PIPE12927
DTCH10330
PIPE12926
DTCH10390
CHAN10393
CHAN10414
PIPE13014
PIPE13000
PIPE12987
CULV10241
CULV10219
PIPE12993
PIPE13012
FLOW10036
DTCH10282
FLOW10028
DTCH10385
PIPE12965
PIPE12925
PIPE12702
CHAN10459
DTCH10299 DTCH10287
CHAN10463
DTCH10331
DTCH10290
DTCH10386
DTCH10389
DTCH10300
DTCH10382
DTCH10296
DTCH10289
DTCH10298
DTCH10288
DTCH10387
DTCH10297
DTCH10388
PIPE13579
DTCH10285
PIPE12960
PIPE12984
PIPE12988
DTCH10332
PIPE13013
CHAN10415
CHAN10461
CHAN10462
CHAN10460
PIPE12999
PIPE12996
PIPE12959
PIPE12966
PIPE12703
PIPE12924
PIPE12456
PIPE12986
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 63 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 75
SEE SHEET 52
SEE SHEET 62SEE SHEET 64

CCIIMMAA
DDRR

RRUUSSSSEETT CC TT

LLAARRKKSSPPUURR CCTT

PPOOPPPPYY RRDD

HONEYSUCKLE DR HONEYSUCKLE DR

STARLIGHT LN STARLIGHT LN

WINDRIDGE CR WINDRIDGE CR

AAPPPPLLEEWWIILLDDEE DDRR

TTRRAAIILLSSIIDDEEPPLL

PRIVATE RD
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'
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'
840'
820'
810'
800'
790'
780'
770' 770'
760' 760'
750'
750'
730'
720'
710' 710'
700'
650'
650'
640'
640'
630' 630'
620'
620'
610'
610'
880'
880'
860' 860'
850'
850'
830'
830'
690'
680'
680'
670'
810' 810'
790' 790'
780' 780'
770' 770'
760' 760'
740' 740'
730'
730'
720' 720'
710' 710'
700' 700'
690' 690'
860' 860'
850' 850'
840'
840'
820'
820'
810' 810'
800'
800'
790' 790'
780' 780'
770' 770'
800' 800'
790' 790'
780' 780'
770' 770'
760' 760'
750' 750'
730'
740' 740'
710'
720' 720'
730'
760' 760'
750' 750'
740'
740'
730' 730'
720' 720'
710' 710'
680' 680'
670'
660'
690'
690'
650'
650'
690'
690'
680'
680'
670' 670'
660' 660'
650' 650'
860'
860'
850' 850'
840'
840'
830'
830'
760' 760'
750' 750'
730'
720'
720'
710'
710'
700' 700'
870' 870'
860'
860'
610'
600'
620'
620'
610'
610'
600' 600'
880'
880'
870'
870'
810'
810'
800' 800'
800'
800'
790'
790'
790'
790'
780'
780'
770' 770'
760' 760'
770' 770'
760'
760'
740' 740'
730'
730'
600'
600'
590'
590'
580'
580'
570' 570'
730' 730'
570'
570'
740'
740'
660' 660'
600'
750'
750'
770'
770'
750' 750'
740'
740'
870' 870'
820'
820'
680'
660' 660'
660' 660'
650'
640' 640'
600' 600'
600'
600'
580' 580'
600'
600'
CBIN11255
CLEN10908
CLEN10909
OTLT10151
INLT10545
CLEN10910
CBIN11257
CLEN10911
CBIN11258
CLEN10914
CBIN11259
CLEN10915
CLEN10916
CLEN10917
CLEN10918
CBIN11262
OTLT10153
CBIN11263
OTLT10154
INLT10546
CLEN10924
CBIN11268
CBIN11269
OTHR10939
CLEN10929
INLT10548
OTLT10155
CLEN10930
INLT10549
CBIN11273 CBIN11272
INLT10664
OTHR11033
OTHR11034
OTHR11036
OTLT10192
INLT10705
OTHR11120
OTHR11121
OTHR11122
OTHR11123
OTHR11154
OTHR11155
OTHR11156
OTHR11157
OTHR11158
OTHR11159
OTHR11160
OTHR11161
OTHR11171
OTHR11172
OTHR11173
OTHR11174
OTHR11175
OTHR11178
OTHR11179
SAN MARCOS SAN MARCOS PIPE13008
PIPE13004
PIPE13011
PIPE13559
DTCH10373
DTCH10330
FLOW10033
PIPE13002
CHAN10386
CHAN10407
PIPE12991
PIPE12969
PIPE12992
CHAN10413
CHAN10411
PIPE13099
PIPE12972
PIPE13100
DTCH10282
DTCH10336
DTCH10370
CULV10187
DTCH10368
DTCH10371
DTCH10367
DTCH10372
DTCH10366
DTCH10281
DTCH10369
PIPE12979
PIPE13010
PIPE13001
FLOW10034
PIPE13007
PIPE12988
PIPE12989
PIPE12970
CHAN10402
CHAN10387
CHAN10404
CHAN10412
CHAN10389
CHAN10405
CHAN10403
CHAN10388
PIPE12971 PIPE13009
PIPE12990
PIPE13005
PIPE12980
PIPE12983
PIPE12977
DTCH10499
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 64 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 76
SEE SHEET 53
SEE SHEET 63SEE SHEET 65

SSAANNTTAA

BBAARRBBAARRAA DDRR

JJEEWWEELLLL
RRDD

PPOOPPPPYY RRDD

SWEET FENNEL RD SWEET FENNEL RD

JJEEWEELLLL RRDD ECHO LN ECHO LN

FFOOXXHHAALLLL DDRR

LAPIS WY LAPIS WY

SAPPHIRE WY SAPPHIRE WY

WISTERIA DR WISTERIA DR

BBUUCCKKHHOORRNN AAVV

MMEENNDDOOCCNINI OO
CCTT

BLUE HERON DR BLUE HERON DR

JASPER WY JASPER WY

PRAIRIE ROSE WY PRAIRIE ROSE WY

KESTRAL DR KESTRAL DR

TTRREEAASSUURREEDDRR

GARNET WY GARNET WY

ORCHID AV ORCHID AV

PPRRIIVVAATTEE RRDD

TRIUMPH LN TRIUMPH LN

CAM CARTA CAM CARTA

MENDOCINO DR

BLUEBONNET CT

CCTTEESSAANN RRII
OO

RESERVE CT RESERVE CT

PPRRIVIVAATTEE RRDD

IIRROONN HHOORRSSEE DDRR

VIOLET AV VIOLET AV

PPRRIVIVAATTEERRDD

WILD LILAC CR

WILD LILAC CR
790' 790'
780' 780'
770'
760'
760'
750' 750'
740'
740'
730'
730'
720'
720'
710'
710'
700'
700'
690'
680' 680'
670'
660'
650'
640'
800' 800'
790' 790'
780' 780'
770' 770'
760' 760'
750' 750'
740' 740'
730' 730'
720' 720' 710'
710'
700'
700'
690' 690'
730' 730'
720'
720'
710' 710'
700' 700'
690'
690'
680'
680'
670'
670'
730'
730'
710' 710'
700' 700'
690'
690'
680' 680'
710' 710'
700'
700'
680'
680'
670'
670'
660'
660'
740' 740'
730' 730'
710' 710'
720' 720'
720' 720'
710' 710'
700' 700'
690' 690'
680' 680'
670'
670'
700'
700'
690' 690'
730'
720' 720'
710'
710' 710'
700'
700'
700'
690'
690'
690'
690'
680' 680'
690' 690'
670'
670'
690'
690'
680' 680'
680' 680'
670' 670'
680' 680'
670'
670'
680'
680'
660' 660'
690' 690'
680' 680'
680' 680'
670' 670'
660'
660'
650' 650'
660'
660'
650' 650'
690'
690'
670'
670'
730'
730'
680'
680'
680' 680'
680' 680'
690' 690'
650'
650'
800' 800'
700'
700'
700' 700'
680'
680'
680' 680'
680'
680'
680'
680'
660'
660'
650' 650'
650' 650'
650'
650'
650'
650'
640'
640'
640'
640' 640'
700'
700'
680'
680'
660'
660'
OTLT10143
CLEN10836
SEPR10019
CLEN10837
CLEN10838 CBIN11174
CBIN11175
CLEN10840
CLEN10842
CLEN10949
CBIN11302
CLEN10950
CLEN10951
CBIN11303 CLEN10953
CBIN11304
CLEN10986
CLEN10987
CBIN11322
CBIN11323
CLEN10988
CLEN10989
CLEN10990
CBIN11324
CLEN10991
CLEN10992 CBIN11325
CLEN10993
CLEN10994
CBIN11326
CBIN11330
CLEN11003
CLEN11126
INLT10673
INLT10674
INLT10675
INLT10676
INLT10677
INLT10678
OTHR11015
INLT10679
INLT10680
INLT10681
OTHR11016
OTLT10184 INLT10682 INLT10683
INLT10684
INLT10685
INLT10686
OTHR11025
OTHR11026
OTHR11027
OTHR11028
OTHR11029
OTLT10189 OTHR11038
OTHR11039
DETB10006
OTHR11089
OTHR11090
OTHR11129
OTHR11130
OTHR11261
OTHR11262
OTHR11263
OTHR11264
OTHR11265

SAN MARCOS SAN MARCOS
PIPE13519
CHAN10379
PIPE13202
CHAN10391
DTCH10342
PIPE13068
CHAN10383
PIPE13075
PIPE13172
PIPE13178
PIPE13517
PIPE13072
PIPE12804
PIPE12816
CHAN10789
PIPE13516 PIPE13200
FLOW10029
CHAN10788
CHAN10464
PIPE13180
CHAN10466
PIPE13524
PIPE13520
PIPE12807
PIPE13513
DTCH10427
CHAN10376
CHAN10374
PIPE12814
PIPE13198
PIPE13521
DTCH10339
DTCH10428
PIPE13518
PIPE12806
PIPE13175
PIPE13174
PIPE12809
CHAN10378
PIPE13169
PIPE13514 PIPE13199
CHAN10380
PIPE13176
PIPE12810
CULV10239
FLOW10042
CHAN10392
PIPE13515
PIPE13522
PIPE13167
PIPE13525
CHAN10465
PIPE13070
PIPE13168
PIPE13181 PIPE13074
PIPE13179
DTCH10283
PIPE12805
DTCH10499
PIPE13201
FLOW10030
DTCH10429
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 65 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 77
SEE SHEET 54
SEE SHEET 64SEE SHEET 66

RUSH DR RUSH DR

JJEEWWEELLLL RRDD

SSAANNTTAA BBAARRBBAARRAA DDRR

VILLAGE DR VILLAGE DR

JASPER WY JASPER WY

LAPIS WY LAPIS WY

MM EERRIITT
DD
RR

ALICIA WY ALICIA WY

TRILOGY ST TRILOGY ST

ALMOND RD ALMOND RD

BBEELLLL DDRR

ELORA LN ELORA LN

DOLE WY DOLE WY

AAVVNNDDAA LLAA CCUUEESSTTAA

PRIVATE DY PRIVATE DY

JACOB ST JACOB ST

WANDERING WY WANDERING WY

VIOLET AV VIOLET AV

AURORA AV AURORA AV

YARROW WY YARROW WY

PPRRIVIVAATTEE DDYY

CCAARRNNAATTIIOO NN CC
TT

S TWIN OAKS VALLEY RD S TWIN OAKS VALLEY RD

PPRRIIVVAATTEE DDYY

GGEEMMSSTTOONNEE DDRR

CAM CARTA CAM CARTA

LAPIS WY LAPIS WY

UNITY LN UNITY LN

QUORUM CT QUORUM CT

ECHO LN ECHO LN
740'
740'
730'
730'
720'
720'
710'
710'
780' 780'
770' 770'
760'
760'
670' 670'
660' 660'
690' 690'
680'
680'
740' 740'
730' 730'
720' 720'
710' 710'
690' 690'
680'
680'
770' 770'
760' 760'
750'
750'
730'
730'
730' 730'
720' 720'
690'
690'
680'
680'
720' 720'
710'
710'
700' 700'
690'
690'
680' 680'
660' 660'
650' 650'
780' 780'
770' 770'
760' 760'
750' 750'
700'
700'
690'
690'
750' 750'
740' 740'
720'
720'
710'
710'
680'
680'
670' 670'
750'
750'
740' 740'
750'
750'
740'
740'
700' 700'
700' 700'
740' 740'
700' 700'
670' 670'
740' 740'
780' 780'
750'
750'
740' 740' 740' 740'
730' 730'
740' 740'
740' 740'
730' 730'
730' 730'
720'
680' 680'
680'
680'
650'
650'
640' 640'
750' 750'
730'
730'
700'
700'
700'
700'
OTHR10883
OTHR10884
CLEN10730
CLEN10731
INLT10466
CLEN10732 CBIN11062
CLEN10734
CLEN10737
CLEN10738
CLEN10739 CBIN11064
CBIN11065
CLEN10740
CBIN11067
CLEN10743 CLEN10744 CBIN11068
INLT10467 INLT10468
CLEN10745
CBIN11069
CBIN11071
CLEN10747 CBIN11072
CBIN11073
CBIN11074
CLEN10748 CBIN11075
CBIN11076
CLEN10749
INLT10471
OTHR10886
CBIN11171
CBIN11172
CBIN11173
CLEN10839
INLT10522
CLEN10843
CBIN11177
CLEN10844
CBIN11178
CBIN11179
CLEN10845
CLEN10846
CBIN11180
CLEN10848
CLEN10849
CLEN10850
CLEN10851
CBIN11183
CBIN11185
CLEN10856
CBIN11190
OTHR10931
OTHR10932
OTHR10933
CLEN10889
CLEN10890
INLT10541
CBIN11245
CLEN11090
CBIN11427 CBIN11428
CBIN11429 CBIN11430
INLT10687 INLT10688
INLT10689
OTHR11022
OTHR11025

SAN MARCOS SAN MARCOS
PIPE12936
PIPE12532
PIPE12499
PIPE13526
PIPE12811
PIPE12533
PIPE12527
PIPE12827
PIPE12473
PIPE12521
PIPE12539
PIPE12511
PIPE12461
PIPE12537
CHAN10372
PIPE12934
PIPE12812
PIPE12837
PIPE12459
PIPE12914
PIPE12796
PIPE12801
PIPE12845 PIPE12848
PIPE12836
PIPE12465
PIPE12826
CHAN10374
PIPE12493
PIPE12550
PIPE12548
PIPE12813
PIPE12541
PIPE12551
PIPE12844
PIPE12471
PIPE12846
PIPE12543
PIPE12544
PIPE12835
PIPE12847
PIPE12803
PIPE12500
PIPE13527
PIPE12797
PIPE12520
PIPE12458
PIPE12849
PIPE12494
PIPE12932
PIPE13531
PIPE12525
PIPE12535
PIPE12834
PIPE12472
PIPE12526
PIPE12833
PIPE12464
PIPE12538
PIPE12815
PIPE12496
PIPE12800
PIPE12809
PIPE12501
PIPE12514
PIPE12808
PIPE12474
PIPE12468
PIPE12542
PIPE12495
PIPE12460
PIPE13598
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 66 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 78
SEE SHEET 55
SEE SHEET 65SEE SHEET 67

WWAANNDDEERRIINNGGWWYY

BALLOW WY BALLOW WY

CAMPUS VIEW DR

TTRRIILLOOGGYY
SSTT

DDUUNNHHAAMMPPLL

COCOS DR

AURORA AV AURORA AV
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'
770' 770'
760' 760'
750'
750'
740' 740'
730' 730'
720'
720'
710'
710'
700'
700'
690' 690'
1050'
1050'
1040' 1040'
1000'
990'
980'
940'
930'
930'
920' 920'
910' 910'
1030'
1030'
1020'
1020'
1010'
1010'
970'
970'
940'
930'
920'
910'
900'
890'
880'
870'
860'
850'
890'
890'
880' 880'
870'
870'
860'
860'
850'
850'
830' 830'
820' 820'
810' 810'
1030'
1020'
1020'
1010' 1010'
1000' 1000'
990' 990'
980' 980'
1030'
1030'
1020'
1020'
1010' 1010'
1000'
1000'
990'
990'
840'
840'
830'
830'
820'
820'
810' 810'
800' 800'
1010'
1000'
990'
980'
1020' 1020'
1010'
1010'
1000' 1000'
1040'
1030'
1030'
1020'
1010'
1010'
1030' 1030'
1020'
1030'
1030'
1020' 1020'
1010'
1010'
1020'
1020'
1010'
1010'
1000' 1000'
970'
970'
960' 960'
840' 840'
830' 830'
820' 820'
840' 840'
830'
820'
810' 810'
1020'
1010' 1010'
1000'
1000'
1010'
1010'
1000'
1000'
1000' 1000'
990' 990'
980'
1020'
1020'
1010' 1010'
790' 790'
780'
780'
1040'
1040'
680' 680'
670' 670'
960' 960'
950'
950'
900'
840' 840'
1040' 1040'
850'
850'
990'
990'
1040' 1040'
1030' 1030'
1010' 1010'
990'
990'
990' 990'
800'
800'
1040'
1040'
1040'
1040' 1040'
1040'
950'
930'
930' 830' 830'
800' 800'
790'
790'
780' 780'
720'
720'
700'
700'
INLT10464
CBIN11062 CLEN10733 CBIN11063
CBIN11065
OTHR10885 CBIN11066
CLEN10741 CLEN10742
INLT10469
INLT10470
CLEN11122

SAN MARCOS SAN MARCOS
PIPE12539
PIPE12552
PIPE13551
PIPE12465
PIPE12546
PIPE12547
PIPE12464
PIPE12463
PIPE12550
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 67 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 79
SEE SHEET 56
SEE SHEET 66SEE SHEET 68

VVIIAA DDEELL CCAAMMPPOO

CCOORROONNAADDOO HHILILLLSSDDRR

PPRRIIVVAATTEE RRDD

PPHHOOEENNIIXXWWYY
1230'
1230'
1190'
1190'
1180'
1180'
1170'
1170'
1160'
1160'
1150'
1140'
1140'
1130'
1120' 1120'
1110' 1110'
1100' 1100'
1090'
1090'
1080'
1080'
1070'
1060'
1060'
1050'
1040'
1040'
1030' 1030'
1020' 1020'
1010' 1010'
1000'
990'
980'
970'
960' 960'
950' 950'
940'
930'
920'
920'
910' 910'
900'
890' 890'
880' 880'
870' 870'
860' 860'
850'
850'
840' 840'
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'
1040'
1040'
1020' 1020'
1010' 1010'
1000'
1000'
990' 990'
980'
980'
1180' 1180'
1170'
1170'
1160' 1160'
1150' 1150'
1140' 1140'
1130'
1130'
1120'
1120'
1230' 1230'
1220'
1220'
1210'
1210'
1200' 1200'
1190' 1190'
1180' 1180'
1170'
1170'
1160' 1160'
1040' 1040'
1030' 1030'
1020'
1020'
1010' 1010'
1020' 1020'
1010' 1010'
920'
920'
910'
910'
900' 900'
890' 890'
870'
870'
860'
860'
850' 850'
840' 840'
830'
830'
1150' 1150'
1140'
1140'
1130'
1130'
1120' 1120'
1110'
1110'
1100' 1100'
1070'
1070'
1060'
1060'
1050' 1050'
1030' 1030'
1020'
1020'
1010' 1010'
1240' 1240'
1220'
1220'
1150' 1150'
1140' 1140'
1080'
1080'
1070'
1070'
1040'
1040'
1030'
1030'
860' 860'
850' 850'
990'
990'
980' 980'
830' 830'
820'
820'
820' 820'
810'
810'
1250' 1250'
1210'
1210'
1200' 1200'
820' 820'
810'
810'
1050'
1050'
1080'
1080'
1130' 1130' 1040'
1040'
880' 880'
1090'
1090'
920' 920'
870' 870'
850'
850'
820' 820'
OTLT10019
CLEN10190
CLEN10191
INLT10123
INLT10132
CLEN10227
CLEN10228
INLT10133
CBIN10325
CLEN10229
CBIN10326
CLEN10230
CLEN10231 CBIN10327
OTHR10516
OTHR10517

SAN MARCOS SAN MARCOS
PIPE10749
DTCH10181 PIPE10774
PIPE10767
PIPE10772
PIPE10776
PIPE10770
DTCH10182
PIPE10773
PIPE10771
PIPE10775
PIPE10739
PIPE10748
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 68 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 80
SEE SHEET 57
SEE SHEET 67SEE SHEET 69

HHIILLLL VVAALLLLEEYY DDRR

SSUUPPRREEMMEE CCTT
CCAAMM

DDEE LLAA CCIIMMAA
1080' 1080'
1070'
1070'
1060' 1060'
1050'
1040' 1040'
1030' 1030'
1020' 1020' 1010' 1010'
1000'
1000'
990'
990'
980' 980'
970'
960'
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'
800'
790' 790'
780' 780'
770' 770'
760' 760'
750' 750'
740'
740'
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'
900'
900'
890'
890'
880'
880'
870'
870'
810' 810'
910'
920'
920'
910'
860' 860'
850' 850'
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'
930' 930'
920' 920'
910'
910'
900'
900'
890' 890'
880' 880'
870'
870'
1020' 1020'
1010' 1010'
1000'
1000'
990'
990'
980' 980'
970' 970'
960'
960'
950'
950'
920' 920'
1060'
1060'
1050' 1050'
1040' 1040'
1030'
1030'
850'
850'
840'
840'
830'
830'
820' 820'
810' 810'
800' 800'
790'
790'
1070' 1070'
1060' 1060'
1050' 1050'
1040'
1040'
1030' 1030'
1020' 1020'
950' 950'
940'
940'
930'
920' 920'
910'
910'
940' 940'
930' 930'
920'
920'
910' 910'
930' 930'
920'
920'
910'
910'
900' 900'
890'
890'
880'
880'
870' 870'
860'
860'
750'
750'
740' 740'
730' 730'
720'
720'
850' 850'
840' 840'
830'
830'
780'
770'
1100' 1100'
1090'
1080'
1090' 1090'
1080'
1080'
910'
910'
900' 900'
900'
900'
890'
890'
880'
880'
870' 870' 860' 860' 850' 850'
840'
840'
830' 830'
820' 820'
810' 810'
950' 950'
940'
940'
870'
870'
860'
860'
730'
730'
720'
720'
1090'
820' 820'
720' 720'
820' 820'
1080' 1080'
1090' 1090'
950' 950'
930'
930'
1070' 1070'
840'
840'
760' 760'
1100' 1100'
1090'
1080' 1080'
1050' 1050'
960'
960'
950'
950'
940' 940'
920'
920'
850' 850'

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 69 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 81
SEE SHEET 58
SEE SHEET 68SEE SHEET 70

CCOOUUNNTTRRYY CCLLUUBBDDRR

PRIVATE RD PRIVATE RD

HILL VALLEY DR HILL VALLEY DR

DINARA DR DINARA DR

PPRRII VVAATTEE RR
DD

PPRR IIVVAATTEE RRDD

PPRRIIVVAATTEE RR DD

PPRRIVIVAATTEE RRDD

HHIILLLL VVAALLLLEEYY DDRR

HHIILL LL

VVAALLLLEE YY
RRDD

PROGRESS PL PROGRESS PL

PPRRIIVVAATTEE RRDD

CORPORATE DR CORPORATE DR

PRIVATE RD PRIVATE RD
UNNAMED 9M ST UNNAMED 9M ST

MILPAS DR

MILPAS DR
700' 700'
690' 690'
680'
680'
780'
780'
770' 770'
760' 760'
750' 750'
740' 740'
730'
730'
770' 770'
760'
760'
750'
750'
740'
740'
730'
730'
720'
720'
760' 760'
750' 750'
740' 740'
730'
730'
720'
720'
710' 710'
700' 700'
690'
690'
720'
720'
710'
710'
700'
700'
740'
740'
730' 730'
720' 720'
710' 710'
700' 700'
690' 690'
700'
700'
690' 690'
680' 680'
670' 670'
750' 750'
740' 740'
750' 750'
740' 740'
720'
720'
710' 710'
710' 710'
700' 700'
720' 720'
710' 710'
700'
700'
690' 690'
690' 690'
680' 680'
710' 710'
720' 720'
690'
690'
770'
770'
760' 760'
740'
740'
740'
730'
720'
720'
770'
770'
750' 750'
750'
750'
720'
720'
710' 710'
670' 670'
670'
670'
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 70 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 82
SEE SHEET 69

AACCAACCIIAA DDRR

IISSLLAANNDD SSHHOORREE WWYY

PPAASSEEOO PPRRIVIVAADDOO

WHITE SANDS DR

SSCCEENNIICC CCRR

ASPEN CT

SSEEQQUUOOIIAA SSTT

EEMMEERRAALLDD SSEEAA WWYY

SUN VALLEY RD

SSAANNDD DDOOLLLLAARRWWYY

SAND CREST WY SAND CREST WY
640'
640'
630'
630'
620'
620'
610' 610'
600' 600'
590'
590'
580'
580'
570'
570'
560'
560'
550' 550'
540' 540'
530'
530'
490'
490'
480'
480'
460'
460'
450' 450'
420'
420'
410' 410'
400' 400'
390'
390'
380' 380'
370' 370'
360' 360'
350' 350'
520'
520'
510' 510'
500'
500'
490'
490'
480'
480'
470'
470'
460' 460'
450' 450'
440'
440'
430' 430'
420'
420'
410'
410'
480'
480'
470'
470'
450' 450'
440' 440'
430' 430'
410' 410'
400'
400'
500' 500'
490' 490'
460'
460'
590' 590'
580' 580'
550' 550'
540' 540'
530' 530'
520'
520'
510'
510'
500'
500'
430' 430'
420'
420'
410'
400'
400'
500'
500'
490' 490'
490' 490'
470' 470'
460'
450'
420'
420'
410'
410'
400'
400'
390' 390'
380' 380'
450'
450'
440'
400'
390'
500' 500'
490' 490'
490' 490'
480'
480'
380' 380'
370' 370'
340'
340'
330'
330'
390'
380' 380'
470'
470'
440' 440'
430'
420'
420'
610' 610'
480' 480'
560'
560'
400'
640' 640'
480' 480'
480'
480'
460' 460'
370'
370'
360' 360'
650'
650'
630'
630'
620' 620'
600'
600'
560' 560'
540'
540'
550'
550'
530'
530'
520'
520'
510' 510'
490'
480' 480'
470'
470'
460' 460'
460' 460'
460' 460'
450'
450'
440'
440'
430'
430'
420'
420'
390'
390'
370' 370'
360' 360'
360'
360'
340'
340'
390'
390'
CLEN11454
CBIN11768
CBIN11769 CLEN11456
CBIN11770
CBIN11778
CBIN11779
CLEN11474
CBIN11792
CLEN11475
OTLT10235
CBIN11793
INLT10865
INLT10866
CLEN11476
CBIN11794
CBIN11795
INLT10867
OTLT10236 INLT10868
OTLT10237
OTLT10238
INLT10869
CBIN11796
CLEN11480
CBIN11797
CBIN11798
CLEN11482
CBIN11799
CLEN11483
CLEN11484
INLT10905
DETB10012
CLEN11544
CLEN11545
CLEN11546
CBIN11875
INLT10930
OTHR11538
OTHR11539
OTLT10281
OTHR11541
OTLT10282
OTLT10285
OTHR11551
OTHR11554
OTHR11555
OTHR11602
OTHR11603
OTHR11604
OTHR11605
OTHR11606
OTHR11607
OTHR11608
OTHR11609
OTHR11610
OTHR11621
OTHR11649
OTHR11650
OTHR11651
OTHR11652
OTHR11669
OTHR11670
OTHR11671
OTHR11672
OTHR11673
OTHR11674
OTHR11678

CARLSBAD CARLSBAD

SAN MARCOS SAN MARCOS
PIPE14451
CHAN10744
CHAN10743 CHAN10741
PIPE14482
PIPE14512
CHAN10638
PIPE14464
PIPE14511
PIPE14463
PIPE14465
DTCH10477
CULV10252
PIPE14484
CHAN10630
CHAN10699
CHAN10696
CHAN10681
PIPE14795
PIPE14508
PIPE14767
PIPE14516
DTCH10478
DTCH10482
DTCH10479
DTCH10480
DTCH10454
DTCH10457
DTCH10484 DTCH10483
DTCH10453
DTCH10455
PIPE14503
DTCH10481
PIPE14466
DTCH10456
FLOW10082
PIPE14501
PIPE14505
CHAN10631
PIPE14506
CULV10251
PIPE14502
PIPE14720
CHAN10769
PIPE14504
CHAN10629
PIPE14768
PIPE14722
PIPE14731
PIPE14782
PIPE14483
PIPE14796
PIPE14730
CHAN10746
PIPE14769
CHAN10714
CHAN10742
CHAN10697
CHAN10637
CHAN10698
CHAN10713
CHAN10745
CHAN10636
PIPE14721
PIPE14462
PIPE14507
PIPE14723
PIPE14452
PIPE14514
PIPE14513
OTLT10360 OTHR11748
OTLT10361
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 71 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 84
SEE SHEET 59
SEE SHEET 72

S RANCHO SANTA FE RD S RANCHO SANTA FE RD

LAKE RIDGE DR LAKE RIDGE DR

AACCAACCIIAA DDRR

BBLLUUEESSAAGGEE DDRR

LLOODDGGEEPPOOLLEE RRDD

PPRRIIVVAATTEE
RRDD

BROKEN ROCK RD

WHITE OAK CT WHITE OAK CT

SSEEAA VVIISSTTAA PPLL

LUCERNE CR

FFAALLLLININGGLLEEAAFF CCTT

SEQUOIA ST SEQUOIA ST

MERRIAM RD

PASTORAL WY

WWEESSTTPPOORRTT RRDD

GGEENNEEVVAA CCRR

VIEWPOINT DR VIEWPOINT DR

HAZELNUT CT HAZELNUT CT

HHAAWWTTHHOORRNNEE CCTT

MONTURA RD

SSEEQQUUOOIIAA SSTT
660'
660'
650' 650'
640'
640'
630' 630'
610' 610'
600'
600'
590' 590'
580' 580'
570' 570'
560'
560'
530' 530'
520' 520'
510'
510'
500'
500'
490' 490'
480'
480'
470' 470'
460' 460'
430'
430'
450'
450'
440'
440'
410'
410'
670'
670'
660' 660'
650' 650'
640' 640'
630' 630'
620'
620'
580'
580' 610'
610'
600' 600'
500' 500'
490' 490'
480'
480'
470'
470'
630'
630'
620' 620'
610'
610'
650'
650'
640'
640'
560' 560'
550'
550'
540'
540'
670' 670'
660'
660'
620' 620'
610' 610'
600' 600'
530' 530'
520' 520'
460'
460'
450' 450'
440'
440'
670' 670'
650'
660'
660'
650'
650'
640'
640'
630'
630'
640'
640'
630'
630'
590' 590'
580'
580' 510' 510'
500' 500'
420'
420'
410'
410'
620' 620'
550'
550'
540'
540'
510'
510'
430' 430'
660' 660'
590'
590'
660' 660'
650' 650'
640'
640'
630' 630'
570'
570'
510'
510'
INLT10847
CLEN11452
CLEN11453
CBIN11767
INLT10848
CLEN11455
CBIN11771
CBIN11772
CBIN11773
CLEN11457
INLT10849
INLT10850
CLEN11458
CBIN11777
CBIN11780
CBIN11781
CBIN11782
INLT10852
CLEN11469
OTLT10231
CBIN11801
CBIN11802
OTLT10239
CLEN11501
OTLT10241 CBIN11813
CBIN11840
CBIN11841
OTLT10245
CBIN11842
OTLT10246
OTHR11515
CBIN11868
INLT10929
CBIN11869
CLEN11541
CBIN11871 CLEN11542
CBIN11872
CLEN11547
CBIN11877
CLEN11550
OTHR11552
OTHR11553
OTHR11557
OTHR11611
OTHR11612
OTHR11613
OTHR11615
S.D. COUNTY S.D. COUNTY

SAN MARCOS SAN MARCOS
PIPE14458
CHAN10700
CHAN10702
CHAN10639
PIPE14714
PIPE14637 PIPE14636
PIPE14713
PIPE14517
PIPE14715
PIPE14460
CHAN10633
PIPE14468
PIPE14716
PIPE14465
CHAN10703
CHAN10705
CHAN10636
PIPE14753
PIPE14717
PIPE14568
PIPE14461
PIPE14755 PIPE14711
PIPE14469
PIPE14756
PIPE14459
PIPE14638
PIPE14462
PIPE14490
PIPE14453
PIPE14518
PIPE14455
CHAN10635
CHAN10704
CHAN10701
PIPE14470
CHAN10634
PIPE14649
PIPE14757
PIPE14774
PIPE14752
PIPE14450
PIPE14754
PIPE14454
PIPE14712
PIPE14466
PIPE14467
PIPE14726
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 72 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 85
SEE SHEET 60
SEE SHEET 71SEE SHEET 73

LODGEPOLE RD

LLAA FFLLOORRAA DDRR

BLUESAGE DR BLUESAGE DR

LLAA BBOONNITITAA DDRR

LLAAKKEE SSAANN MMAARRCCOOSSDDRR

S RANCHO SANTA FE RD S RANCHO SANTA FE RD

LLAA FFEIEI SSTTAA WWYY

PRIVATE RD PRIVATE RD

LLAA FFIIEESSTTAA DDRR

LANZA CT LANZA CT
LLAA

TTIIEERRRRAA
DDRR

LAKE RIDGE DR LAKE RIDGE DR

PORTENO CT PORTENO CT

LLAA VVEENNTTAANNAA CCTT

LLAA FFIEIESSTTAA LLNN

LLAA FFIEIESSTTAA CCTT

LLAA FFIEIESSTTAA PPLL

LLAA BBOONNIITTAA WWYY
LLAA

TTIIEERRRRAA CCTT

LLAA BBOONNIITTAA CCTT

PPRRIIVVAATTEE RRDD

WWEESSTT RRAANNCCHH RRDD

LLAA MMAADDEERRAA LLNN

SONATA LN SONATA LN

WATERLILY WY WATERLILY WY

LLAA TTIIEERRRRAA LLNN

LLAA CCAASSIITTAA DDRR

SSOOMMEE

RRSSEETT PPLL

FFIIRREELLNN
650' 650'
640'
640'
630' 630'
610'
610'
600'
600'
580'580'
570' 570'
560' 560'
550' 550'
540' 540'
530' 530'
520'
520'
660' 660'
620'
620'
590' 590'
660'
660'
650'
650'
640'
640'
630'
630'
610' 610'
630'
630'
620'
620'
570' 570'
560' 560'
550' 550'
540'
540'
620' 620'
610' 610'
610'
610'
600' 600'
590' 590'
600' 600'
580' 580'
530' 530'
520' 520'
510'
510'
620'
620'
640' 640'
600' 600'
650'
650'
620' 620'
590'
590'
510' 510'
CBIN11191
CLEN10883
INLT10531
INLT10532
CBIN11217
CBIN11218
CBIN11219
CBIN11220
CBIN11221
CBIN11224
CBIN11225
CBOL10005
S.D. COUNTY S.D. COUNTY

SAN MARCOS SAN MARCOS
PIPE12904
PIPE12907
PIPE12913
PIPE12908
PIPE12905
PIPE12910
PIPE12911
PIPE12906
PIPE12903
PIPE12912
PIPE12454
FLOW10039
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 73 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 86
SEE SHEET 61
SEE SHEET 72SEE SHEET 74

LLAA NNOOCCHHEE DDRR

DISCOVERY ST

SAN PABLO DR

PRIVATE RD PRIVATE RD

FFAAIIRRWWAAYY CCIIRRCCLLEE
DDRR

SAN PABLO CT

PRIVATE RD PRIVATE RD

LLAA CCAASSIITTAA DDRR

FAIRWAY CIRCLE DR FAIRWAY CIRCLE DR

PRIVATE RD PRIVATE RD

LLAA SSOOMMBBRRAA DDRR
KKNN

OOLLLL VVIISSTTAA
DDRR

FIRE LN FIRE LN

SAN PABLO DR SAN PABLO DR
San Marcos Creek
San Marcos Creek
560' 560'
550' 550'
540'
540'
520' 520'
530' 530'
550' 550'
540'
540'
530'
530'
520'
520'
520'
510'
510'
550'
550'
540'
520'
520'
510' 510'
550' 550'
540'
540'
520'
520'
510' 510'
520'
520'
510'
510'
510'
510'
500' 500'
510' 510'
530' 530'
530' 530'
510'
510'
530'
530'
520' 520'
530' 530'
520'
520'
520'
520'
520' 520'
520' 520'
520' 520'
510'
510'
510' 510'
510'
510'
510'
510'
530' 530'
520'
520'
520'
520'
510' 510'
510'
510'
510'
510'
510'
510'
CLEN11050
INLT10636
INLT10637
OTLT10183
OTHR11049
OTHR11068
OTHR11187
OTHR11188
OTHR11189
OTHR11190
OTHR11191
OTHR11192
OTHR11193
OTHR11194
OTHR11195
OTHR11196
OTHR11197
OTHR11198
OTHR11199
OTHR11200
OTHR11201
OTHR11202
OTHR11203
OTHR11204
OTHR11205
OTHR11235
OTHR11236
OTHR11237
OTHR11238
OTHR11239
OTHR11240
OTHR11241
OTHR11242
OTHR11243
S.D. COUNTY S.D. COUNTY

SAN MARCOS SAN MARCOS
PIPE12889
PIPE13329
CULV10226
DTCH10408
CULV10185
CHAN10359
FLOW10038
DTCH10403
DTCH10399
DTCH10390
DTCH10407
DTCH10394
DTCH10398
DTCH10396
DTCH10391
DTCH10402
DTCH10397
DTCH10393
DTCH10401
DTCH10405
DTCH10406
DTCH10392
DTCH10404
DTCH10400
DTCH10395
PIPE13330
CHAN10439
FLOW10039
CHAN10358
CHAN10446
CHAN10443
CHAN10441
CHAN10442
CHAN10444
CHAN10440
CHAN10447
CHAN10448
CHAN10445
FLOW10037
PIPE13468
CINT10003
CINT10004
OTHR11743
OTHR11744
OTHR11745
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 74 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 87
SEE SHEET 62
SEE SHEET 73SEE SHEET 75

DISCOVERY ST DISCOVERY ST

LLAA NNOOCCHHEE DDRR

PRIVATE RD

HONEYSUCKLE DR

PRIVATE RD PRIVATE RD
MM
CC
MM
AA
HH
RR
RRDD

AA PPPPLLEEWWIILLDDEE
DD RR

PRIVATE RD PRIVATE RD

WWRREENN WWYY

GINGER GLEN

PRIVATE RD
SS

PPAARRRROOWW
CC
TT
G

LILAC CT

GRRAANNAADDAA WWYY

GGAARRDDEENNIIAA CCTT

MOCKINGBIRD LN MOCKINGBIRD LN

CRESTVIEW CT

CRESTVIEW CT
VVIIAA

VVEERRAA

CCRRUUZZ
LLAA
SS
OO

MMBBRRAA DDRR

PRIVATE RD

PRIVATE RD PRIVATE RD
RD

PRIVATE

PRIVATE RD

PRIVATE RD
San Marcos Creek
610'
610'
600'
600'
590'
590'
580' 580'
560'
560'
550'
550'
540' 540'
570' 570'
530' 530'
600' 600'
590' 590'
580' 580'
570'
570'
590'
590'
580'
580'
570'
570'
560' 560'
620' 620'
610' 610'
600'
610'
600'
600' 600'
610' 610'
590'
590'
580'
580'
540'
540'
530' 530'
560'
560'
550'
550'
550' 550'
540' 540'
520'
520'
590'
590' 590'
580' 580'
550'
550'
540' 540'
540'
540'
540'
540'
520'
520' 520'
520'
520'
590'
590'
550'
550'
540' 540'
530' 530'
OTLT10146
INLT10538
CBIN11238
OTLT10147
CBIN11246
CLEN10894
CLEN10895
CBIN11252
CLEN10904
CBIN11254
CLEN10905
OTHR10964
CLEN11050
CLEN11051
INLT10615
OTHR10982
CBIN11376
CBIN11377
CBIN11383
OTHR10984
OTHR10994
OTHR11187
OTHR11188
OTHR11189
OTHR11209
OTHR11210
OTHR11211
OTHR11212
OTHR11213
S.D. S.D.

COUNTY COUNTY

SAN MARCOS SAN MARCOS
PIPE12929
CHAN10422
PIPE12889
PIPE12958
PIPE12930
CHAN10419
CHAN10417
PIPE12955
PIPE13331
PIPE12957
PIPE13329
PIPE13348
PIPE13332
CULV10185
CHAN10416
PIPE13443
DTCH10392
CHAN10415
PIPE13330
PIPE13349
PIPE12959
PIPE13326
PIPE13328
PIPE13350
CHAN10421
CHAN10418
PIPE13468
PIPE12942
PIPE13600
PIPE12940
PIPE12941
PIPE13467 OTLT10343
OTLT10344
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 75 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 88
SEE SHEET 63
SEE SHEET 74SEE SHEET 76

PRIVATE RD

PPOOPPPPYY RRDD

PPRRIIVVAATTEE RRDD
VVIAIA

VVEERRAA

CCRRUUZZ

WINDRIDGE CR

HHOONNEEYYGGLLEENN DDRR

AAPPPPLLEEWWIILLDDEE DDRR

PRIVATE RD PRIVATE RD
JOY CT

PPRRIIVVAATTEE RR
DD

SSHHEENNAANNDD OOAAHH AAVV

MMAARRIIGGOOLLDD WWYY

DISCOVERY ST DISCOVERY ST

PRIVATE RD

PRIVATE RD PRIVATE RD

SSMMOOKKEETTRREEEE CCTT

PPRRIIVVAATTEE RR
DD
CC

RRAAVVEENN
RR DD

LLUUPPIINNEE
DDRR
690' 690'
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'
700'
700'
690'
690'
680'
680'
670' 670'
660'
660'
650'
650'
640' 640'
630' 630'
620' 620'
610'
610'
600'
600'
580'
580'
570' 570'
560'
560'
670'
640'
630'
620'
610'
600' 600'
660'
660'
650'
650'
640'
640'
630' 630'
620' 620'
610' 610'
600' 600'
590'
590'
580' 580'
630'
630'
620'
620'
600'
590'
580'
570'
560'
610'
610'
600' 600'
590'
590'
700' 700'
680' 680'
680' 680'
670'
660'
610' 610'
600' 600'
610' 610'
600'
590' 590'
580'
580'
580'
580'
570' 570'
550' 550'
540'
540'
700'
700'
590' 590'
540' 540'
590'
570'
570'
670'
660'
630'
630'
700' 700'
700' 700'
660'
660'
660' 660'
640'
630' 630' 600' 600'
590'
590'
590' 590'
590'
590'
580' 580'
540'
680'
680'
660'
660' 660'
660'
660' 660'
640' 640'
590' 590'
CLEN10891
CLEN10913
CLEN10914
CLEN10916 CLEN10918
CBIN11260
CLEN10961
INLT10556
CBIN11310
CLEN10962
CBIN11311
CLEN10995
CLEN10996
CLEN10998
CBIN11328
OTHR10975
CLEN11058
CLEN11059
CLEN11060
CLEN11061
CLEN11062
CLEN11063
CBIN11384
INLT10618
CLEN11064
CLEN11112
CBIN11440
CBIN11441
CBIN11442

SAN MARCOS SAN MARCOS
PIPE12982
PIPE13359
PIPE13094
PIPE13582
PIPE12979
PIPE12975
PIPE13095
PIPE13584
PIPE13093
PIPE13191
PIPE13356
PIPE13354
PIPE12983
PIPE13357
PIPE12940
PIPE13351
PIPE13358
PIPE13189
PIPE12981
PIPE13352
PIPE13355
PIPE13353
PIPE13182
PIPE13183
PIPE13097
PIPE13190
PIPE13184
PIPE13098
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 76 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 89
SEE SHEET 64
SEE SHEET 75SEE SHEET 77

CRAVEN RD

SSUUMMMMEERRHHOOLLLLYY DDRR

EECCHHOOLLNN

SSAANNTTAA BBAARRBBAARRAA DDRR

PPOOPPPPYY RRDD

WHITESAGE RD WHITESAGE RD

CREEKNETTLE RD CREEKNETTLE RD

DISCOVERY ST DISCOVERY ST

TIBURON ST TIBURON ST

ROCKMINT DR ROCKMINT DR

FFOOXXHHAALLLL CCTT

SSHHEENNAANNDDOOAAHH AAVV

PRIVATE DY PRIVATE DY

OOVVEERRLLOOOOKK
CCRR

ECHO LN

FFOOXXHHAALLLL
DDRR

PEACHTREE CT PEACHTREE CT

AAVVNNDDAA LLAA CCUUEESSTTAA

SSOONNOOMMAA SSTT
680'
680'
670' 670'
660'
660'
650'
650'
640' 640'
630' 630'
600' 600'
590' 590'
580' 580'
570' 570'
660' 660'
650'
650'
640' 640'
630'
630'
620' 620'
610'
610'
600'
600'
670' 670'
660'
660'
650'
650'
630'
630'
630' 630'
620'
610' 610'
600'
600'
590'
590'
660' 660'
650' 650'
640' 640'
630' 630'
630' 630'
620' 620'
610' 610'
670' 670'
660'
660'
650'
650'
640'
640'
630'
630'
630' 630'
620' 620'
590' 590'
580'
580'
560'
550' 550'
660' 660'
650'
650'
630' 630'
620'
620'
610' 610'
670' 670'
680' 680'
660' 660'
630' 630'
680' 680'
670'
670'
640'
640'
640'
640'
640' 640'
640'
630' 630'
630' 630'
630'
630'
630'
630'
630'
630'
630' 630'
630' 630'
620' 620'
620' 620'
600'
560'
660'
660'
660'
660'
660'
660'
650'
650'
640'
640'
640' 640'
620'
620'
610'
610'
550'
550'
CLEN10857
CBIN11189
CLEN10858
OTHR10921
OTHR10922
CBIN11296
CLEN10940
CBIN11297
CLEN10941
CLEN10942
CLEN10944
CBIN11298
CLEN10947
CLEN10948
CBIN11300
OTHR10967
OTHR10968
CLEN10949
CBIN11302
CBIN11305
CLEN10954
CLEN10955
CBIN11306
CLEN10956
CLEN10957
CLEN10958
CBIN11308
CBIN11309
CLEN10959
CLEN10960
CLEN10961
CLEN10984
CLEN10985 CLEN11000
CBIN11329
CLEN11001
CLEN11009
CLEN11010
CLEN11012
CLEN11013
CBIN11337 CBIN11338
CLEN11065
CBIN11385
CLEN11066
CLEN11069
CLEN11070
CLEN11071
CLEN11072
CBIN11387
CBIN11388 INLT10619
INLT10634 CBIN11403
INLT10635

SAN MARCOS SAN MARCOS
PIPE13081
PIPE13085
PIPE13218
PIPE13076
PIPE13375
PIPE13219
PIPE13068
PIPE13061
PIPE13089
PIPE13194
PIPE13064
PIPE13059
PIPE13056
PIPE13214
PIPE13415
PIPE13065
PIPE13069
PIPE13222
PIPE13217
PIPE13063
PIPE13365
PIPE13086
PIPE12843
PIPE13087
PIPE13370
PIPE13057
PIPE13060
PIPE12817
PIPE13054
PIPE13093
PIPE13216
PIPE13197
PIPE12832
PIPE13079
PIPE13171
PIPE13098
PIPE13058
PIPE13374
PIPE13413
PIPE13373
PIPE12842
PIPE13169
PIPE13195
PIPE13083
PIPE13414
PIPE13084
PIPE13372
PIPE13080
PIPE13077
PIPE13361
PIPE13088
PIPE13360
PIPE13082
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 77 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 90
SEE SHEET 65
SEE SHEET 76SEE SHEET 78

RRUUSSHH DDRR

CRAVEN RD CRAVEN RD

AAVVNNDDAA LLAA CCUUEESSTTAA

PRIVATE DY PRIVATE DY

PPRRIIVVAATTEEDDYY

S TWIN OAKS VALLEY RD S TWIN OAKS VALLEY RD

AAVVNNDDAA OORRTTEEGGAA

DISCOVERY ST DISCOVERY ST

CCRRAAVVEENN DDRR
670'
670'
660'
660'
640' 640'
650' 650'
610'
610'
630'
620'
660' 660'
650' 650'
630'
630'
620' 620'
660'
660'
650'
650'
640'
640'
630'
630'
650'
650'
640'
640'
650' 650'
640' 640'
630' 630'
640' 640'
630'
630'
620'
650'
650'
640' 640'
630' 630'
620'
620'
630'
630'
620'
620'
670'
670'
660' 660'
620'
620'
610' 610'
610' 610'
600' 600'
600'
590' 590'
640'
640'
610'
610'
660'
660'
620' 620'
660'
660'
640' 640'
640' 640'
620' 620'
620'
620'
620'
620'
660'
660'
660'
660'
660' 660'
660'
660'
CBIN11185
CLEN10853
CLEN10854
CBIN11187
CBIN11188
CLEN10855
OTHR10920
CBIN11190
CBIN11245
OTHR10934
CBIN11332
INLT10584 CLEN11005
CBIN11333
CBIN11334
CLEN11007
CLEN11008
CLEN11028
CBIN11362
CLEN11029
CBIN11363
CBIN11364
CBIN11365
CBIN11366
CLEN11030
CLEN11031
CLEN11032
CLEN11033
CLEN11034
CLEN11035
CBIN11367
CBIN11369
INLT10601
OTLT10165
CLEN11036
CBIN11370
CBIN11371 CLEN11037
CLEN11067
CLEN11068
CLEN11076
INLT10623 CBIN11393
CBIN11403
CBIN11406
INLT10647
INLT10648
CBIN11407
INLT10649
INLT10650
INLT10657 CBIN11411
OTHR10999
OTHR11001
OTHR11002
OTHR11003
OTHR11004
OTHR11005
CBIN11414
OTHR11006
DETB10007

SAN MARCOS SAN MARCOS
PIPE13290
PIPE12819
PIPE13291
PIPE13206
FLOW10089
PIPE13457
PIPE13289
PIPE13296
PIPE12831
PIPE13292
PIPE12828
PIPE13281
PIPE12820
PIPE13442
PIPE13440
PIPE13207
PIPE13392
FLOW10040
PIPE13280
PIPE13203
PIPE13420
PIPE13209
PIPE12933
PIPE12833
PIPE13596
PIPE13212
PIPE13439
PIPE13282
PIPE13422
CULV10195
PIPE13279
PIPE13419
PIPE12849
PIPE13278
PIPE13294
PIPE13287
PIPE13213
PIPE13295
PIPE13204
PIPE12818
PIPE13367
PIPE13286
PIPE12829
PIPE13608
PIPE13288
CULV10208
PIPE12825
PIPE12823
PIPE13285 PIPE13284
PIPE13599
PIPE13283
CULV10194
PIPE13293
CULV10193
PIPE13366
CULV10237
PIPE13421
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 78 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 91
SEE SHEET 66
SEE SHEET 77SEE SHEET 79

VVIIAA DDEELL CC AABBAALLLLOO

CRAVEN DR CRAVEN DR

CAMPUS VIEW DR CAMPUS VIEW DR

CCAAMMPPUUSSVVIEIEWW DDRR

CAMPUS VIEW DR
900' 900'
890' 890'
880' 880'
870' 870'
860' 860'
850' 850'
840' 840'
830' 830'
820' 820'
810' 810'
800' 800'
790' 790'
780' 780'
770' 770'
760' 760'
750' 750'
740' 740'
730' 730'
720' 720'
710' 710'
620' 620'
630' 630'
640' 640'
650' 650'
920' 920'
910'
940' 940'
930' 930'
880' 880' 870' 870' 860' 860' 850' 850' 840'
810' 810' 800' 800' 790' 790' 780' 770' 770' 760' 760' 750' 740' 720' 720'
920' 920' 910' 910'
730' 730'
710' 710'
890'
880' 880'
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'
910' 910' 900' 900' 890' 890' 880' 880' 870' 870' 860' 860' 850' 850' 840' 840' 830' 830' 820' 820' 900' 900'
890' 890'
880' 880'
870' 870'
860' 860'
850' 850'
940' 940' 930' 930' 920' 920' 910' 910' 900' 900'
890' 890'
710' 710'
690'
680' 680'
700' 700'
670' 670'
940' 940'
930' 930'
920' 920'
910' 910'
900'
750'
740'
770' 770'
760' 760'
760' 760'
750' 750'
760' 760'
750' 750'
660' 660'
650' 650'
700'
690' 690'
700' 700'
690'
680' 680'
670' 670'
670' 670'
830'
730' 730'
720' 720'
840'
660' 660'
760' 760'
940'
940'
890' 890'
820'
730' 730'
730' 730'
730' 730'
690'
670' 670'
INLT10128
CLEN10211

SAN MARCOS SAN MARCOS
PIPE10712
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 79 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 92
SEE SHEET 67
SEE SHEET 78SEE SHEET 80

VVII AA DD EELL CC

AA BB AA LLLLOO

VVIAIA DDEELL CCAAMMPPOO

CAM HERMOSO CAM HERMOSO

PPAASSEEOO DDOORRAADDOO

CAM VERDE CAM VERDE

SSAANNDDYY LLNN

CCAALLLLEE DDEE SSOOTTOO

CCOORROONNAADDOOHH LILI LLSSDDRR

PRIVATE RD PRIVATE RD
940' 940'
930' 930'
920' 920'
910' 910'
890' 890'
880' 880'
870'
870'
850' 850'
840'
840'
830' 830'
800' 800'
790' 790'
780'
780'
770'
770'
750' 750'
740' 740'
720' 720'
710' 710'
900' 900'
860'
860'
910'
900'
890'
880'
870' 870'
860'
860'
850' 850'
840'
840'
830' 830'
820' 820'
810' 810'
800' 800'
870'
870'
880' 880'
830'
840'
840'
850'
850'
860'
860'
800'
810' 810'
820' 820'
830'
790' 790'
800'
890'
890'
880'
880'
870' 870'
860'
860'
850' 850'
840' 840'
830'
830'
820'
820'
830'
830'
820'
820'
800'
800'
810' 810'
790'
790'
780'
780'
830' 830'
820' 820'
810'
810'
800'
800'
790'
790'
770'
770'
820'
820'
810' 810'
800'
790'
780'
760'
760'
750' 750'
850' 850'
840'
840'
830' 830'
820'
820'
760'
760'
750' 750'
810' 810'
730'
730'
700'
700'
810'
810'
810'
790' 790'
880' 880'
830' 830'
810' 810'
860'
860'
860'
860'
850'
850'
840'
840'
830'
830'
810'
810'
810' 810'
750' 750'
740'
740'
710' 710'
700' 700'
810' 810'
CLEN10188 CLEN10189
INLT10124
INLT10125
CLEN10192
CLEN10193
CLEN10194 CLEN10195
OTHR10215
CLEN10196 INLT10126
CLEN10197
CLEN10198 CLEN10199
CBIN10305
CLEN10200
CBIN10306 CBIN10307
CBIN10308 CBIN10309 INLT10127
CLEN10201 CLEN10202
CLEN10203 CLEN10204
CLEN10205
CBIN10310
CLEN10207 CLEN10208 CBIN10311
CBIN10312
CBIN10313
CLEN10212
CLEN10213
CBIN10314
INLT10129 CBIN10315 CLEN10215
CBIN10316
CLEN10216
CLEN10217
CLEN10218
CBIN10322 CLEN10226
CBIN10327 CLEN10231
CBIN10328
CLEN10232 CBIN10329
CBIN10330
CLEN10233 CLEN10234
CBIN10331
CBIN10536
OTHR10333
OTLT10066
INLT10257
OTHR10366
OTHR10367
OTLT10076
INLT10285
OTHR10431
OTHR10432
OTHR10434
OTHR10517
OTHR10570
OTHR10571
OTHR10572

SAN MARCOS SAN MARCOS
PIPE10725
PIPE10749
PIPE10793
PIPE10800
PIPE10738
PIPE10756
PIPE10762
PIPE10731
PIPE10796
DTCH10183
PIPE10778
CHAN10126
PIPE10751
PIPE10724
PIPE10768
PIPE10713
PIPE10805
PIPE10714
PIPE10795
CHAN10129
PIPE10716
PIPE10718
PIPE10726
PIPE10799
PIPE10747
PIPE10729
PIPE10734
PIPE10730
PIPE10712
PIPE10710
PIPE10798
DTCH10126 DTCH10127
DTCH10498
PIPE10777
PIPE10702
PIPE10717
PIPE10797
PIPE10732
PIPE10715
PIPE10802
PIPE10721
PIPE10740
PIPE10708
PIPE10753
PIPE10801
PIPE10745
PIPE11489
PIPE10733
CHAN10128
PIPE10720
PIPE10803
PIPE11441
CHAN10127
PIPE10754
PIPE10760
PIPE10758
DTCH10494
PIPE10759
PIPE10757
PIPE10703
PIPE10741
PIPE10750
PIPE10746
DTCH10495
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 80 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 93
SEE SHEET 68
SEE SHEET 79SEE SHEET 81

LLAA MMOORREEEE RRDD

PPRRIIVVAATTEE RRDD

PRIVATE RD

WWHHII SSPPEERRIINN GG

WWAATTEE RR
DD RR

PRIVATE RD PRIVATE RD

ADELE LN ADELE LN

SANDY LN SANDY LN

ADELE LN ADELE LN

GAZANIA CT

RROOSSEE AARRBBOORR DDRR

SUPREME CT SUPREME CT

PRIVATE RD PRIVATE RD

CCAAMMTTOO AA CCAASSAA
CCAAMM

DDEE LLAA

CCIMIMAA
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'
860' 860'
850' 850'
840' 840'
830' 830'
820' 820'
800' 800'
790' 790'
780' 780'
770' 770'
760' 760'
750'
750'
1040'
1040'
870'
870'
810'
810'
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'
930' 930'
920' 920'
910'
910'
900' 900'
890' 890'
880' 880'
870'
870'
860' 860'
850' 850'
840' 840'
840' 840'
830'
830'
820' 820'
810' 810'
800' 800'
790' 790'
760'
760'
750' 750'
740' 740'
780'
780'
770'
770'
760'
760'
750'
750'
740' 740'
730' 730'
850'
850'
840'
840'
830' 830'
820' 820'
800' 800'
790'
790'
780' 780'
770' 770'
930' 930'
920' 920'
910' 910'
900'
900'
890' 890'
880' 880'
870'
870'
780'
780'
770' 770'
760' 760'
860' 860'
850'
850'
830'
830'
820'
820'
810' 810'
800'
800'
760'
760'
750' 750'
830' 830'
820'
820'
800'
800'
790' 790'
790' 790'
780'
780'
780' 780'
770'
770'
760'
760'
750'
750'
730'
730'
720'
770' 770'
750' 750'
930'
930'
930' 930'
850' 850'
840'
840'
790'
790'
840'
840'
810' 810'
810'
810'
800'
800'
800'
800'
800' 800'
780'
780'
760'
760'
750'
750'
750' 750'
750' 750'
750'
740'
740'
760' 760'
760' 760'
CLEN10348
CBIN10496
CBIN10497
CLEN10349
CLEN10350
CBIN10498 CLEN10351
INLT10207
CBIN10500
CLEN10376
CBIN10550
CBIN10551 INLT10229
INLT10230
INLT10231
CBIN10552
OTLT10058
CBIN10580
INLT10240
CBIN10581
CBIN10589
CBIN10590
CBIN10591
CBIN10592
CBIN10593
CBIN10594
CLEN10395
INLT10242
OTLT10061
OTHR10327
INLT10262
OTHR10540
OTHR10542
OTHR10543
OTHR10545
OTHR10572
OTHR10573
OTHR10574
OTHR10575 OTHR10576
OTHR10577
OTHR10578
OTHR10579
OTHR10608

SAN MARCOS SAN MARCOS
S.D. COUNTY S.D. COUNTY
PIPE11449
PIPE11283
PIPE11211
CHAN10169
PIPE11292
PIPE11215
PIPE11218
PIPE11089
CHAN10116
PIPE11220
CHAN10115
CHAN10189
CHAN10112
PIPE11282
DTCH10203
CHAN10136
PIPE11217
CHAN10170
PIPE11086
PIPE11214
CHAN10188
PIPE11216
PIPE11296
PIPE11294
PIPE11092
PIPE11295
CHAN10133
CHAN10128
FLOW10090
PIPE11091
CHAN10131
CHAN10130
CHAN10113
PIPE11087
CHAN10114 PIPE11297
CHAN10132
CHAN10129
PIPE11088
CHAN10135
CHAN10134
CHAN10117
PIPE11093
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 81 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 94
SEE SHEET 69
SEE SHEET 80SEE SHEET 82

PRIVATE RD PRIVATE RD

PPRR VIVI AATTEERRDD

PPRRIIVVAATTEE RRDD

PRIVATE RD PRIVATE RD

CCOORRPPOORRAATTEE DDRR

PRIVATE RD PRIVATE RD

PRIVATE RD PRIVATE RD PPRRIVIVAATTEERRDD

PPRRIVIVAATTEERRDD

PRIVATE RD PRIVATE RD

MM EEYYEE RR SS AAVV

CCOOUUNNTTRRYYCCLLUUBBDDRR

HHILILLL VVAALLLLEEYY DDRR

EXECUTIVE PL EXECUTIVE PL

PRIVATE RD PRIVATE RD

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

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

ESCONDIDO ESCONDIDO
FLOW10090
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 82 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 95
SEE SHEET 70
SEE SHEET 81SEE SHEET 83

ROSS DR ROSS DR

AUTO PARK WY

COUNTRY CLUB LN COUNTRY CLUB LN
PPRRII

VVAATTEE RRDD

OPPER ST OPPER ST

MICRO PL MICRO PL

DON LEE PL

MEYERS AV MEYERS AV

BBAARRHHAAMMDDRR

AERO WY

PRIVATE RD

MMIISSSSIIOONNRRDD

PRIVATE RD PRIVATE RD

CCOOUUNNTTRRYYCCLLUUBBDDRR
78 840'
810'
810'
800'
800'
790'
790'
780' 780'
770' 770'
760'
750' 750'
740' 740'
730' 730'
720' 720'
710'
710'
850'
820'
700' 700'
690'
840' 840'
830' 830'
820'
820'
780' 780'
770' 770'
750' 750'
740' 740'
730'
730'
810'
810'
800' 800'
790' 790'
820' 820'
810' 810'
790'
790'
780'
780'
770'
760'
750'
760'
760'
770'
770'
750' 750'
740'
740'
820'
820'
810' 810'
780' 780'
760' 760'
740' 740'
730' 730'
710'
700' 700'
710'
710'
700' 700'
700' 700'
690' 690'
690' 690'
680'
680'
680' 680'
670'
670'
720' 720'
710'
710'
800'
800'
730' 730'
840'
720'
720'
810'
810'
730'
730'
720'
720'
720' 720'
700'
700'
700'
700'
680'
680'
690'
690'
670' 670'

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 83 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 96
SEE SHEET 82

BB UU SSII NNEESSSS PPAARRKK DDRR

W SAN MARCOS BL W SAN MARCOS BL

PPAALLOOMMAARR AAIIRRPPOORRTT RRDD

SSCCEENNIICC
CCRR

PPOOIINNSSEETTTTIIAA AAVV

SSCCEENNICICCCRR

EMERALD SEA WY EMERALD SEA WY

EXECUTIVE RIDGE

WWHHITITEESSAANNDDSS DDRR

LIONSHEAD AV LIONSHEAD AV

ISLAND SHORE WY ISLAND SHORE WY

CCOORRPPOORRAATTEE VVIIEEWW
460' 460'
450' 450'
440'
440'
430' 430'
420'
420'
410' 410'
400'
400'
500' 500'
490' 490'
480' 480'
470' 470'
560'
560'
550'
550'
540'
540'
530'
530'
520' 520'
500'
500'
490'
490'
510' 510'
500' 500'
490' 490'
480'
480'
510'
510'
490' 490'
480'
480'
470' 470'
530' 530'
520'
520'
510' 510'
420' 420'
400'
400'
460'
460'
450' 450'
510'
460'
460'
570' 570'
470'
470'
410'
410'
400' 400'
530'
530' 520'
520'
510'
510'
490' 490' 480'
480'
470'
470'
460'
460'
430' 430'
420'
420'
410'
410'
480'
480'
440' 440'
CLEN11477
CLEN11478
CLEN11481
OTHR11539
OTHR11602
OTHR11655

CARLSBAD CARLSBAD

SAN MARCOS SAN MARCOS

VISTA VISTA
CHAN10751
PIPE14509
DTCH10453
PIPE14510
CHAN10750
PIPE14767
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 84 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 97
SEE SHEET 71
SEE SHEET 85

W SAN MARCOS BL W SAN MARCOS BL

AAVVNNDDAA DDEE LLOOSS

AARRBBOOLLEESS

AAVVNNDDAA DDEE LLAASS RROOSSAASS

LAKE RIDGE DR

AACC AACCIIAA
DDRR

PPRRIIVVAATTEERRDD

AVNDA CIELO

PRIVATE RD PRIVATE RD

SEQUOIA ST SEQUOIA ST

AAVVNNDDAA DDEELL MMAARR

PRIVATE RD PRIVATE RD

VIEWPOINT DR VIEWPOINT DR PRIVATE RD PRIVATE RD

PRIVATE RD PRIVATE RD

PPRRIVIVAATTEE
RRDD

HILLHAVEN DR HILLHAVEN DR

AAVVNNDDAA
MM

AARRIIPPOOSSAA

AACCOORRNN RRDD

PPRRIIVVAATTEE RRDD

PPRRIIVVAATTEERRDD

PPRRIIVVAATTEERRDD
500'
500'
490'
490'
480'
480'
470'
470'
580'
570' 570'
560'
560'
550'
550'
540'
540'
530' 530'
450'
450'
440' 440'
620' 620'
610' 610'
600' 600'
590' 590'
610' 610'
600'
600'
590'
590'
580' 580'
570' 570'
560' 560'
550'
550'
540' 540'
530' 530'
520' 520'
490' 490'
510' 510'
480' 480'
570'
570'
560' 560'
550'
550'
540' 540'
530'
530'
520' 520'
510' 510'
460'
460'
450' 450'
440' 440'
430'
430'
420'
420'
410' 410'
440' 440'
430' 430'
420' 420'
410' 410'
570'
570'
560' 560'
550' 550' 540' 540'
530' 530'
480'
480'
470' 470'
460'
460'
450'
450'
450'
450'
440'
440'
640'
640'
630' 630'
450' 450'
440' 440'
520'
520'
510'
510'
460' 460'
500'
500'
500' 500'
490' 490'
480'
470'
480'
480'
620'
620'
620'
620'
600' 600'
580'
580'
580'
580'
580' 580'
580' 580'
510'
510'
510'
510'
470' 470'
450' 450'
450' 450'
440'
440' 440'
440'
430'
430'
430' 430'
410'
410'
400' 400'
400'
400'
600'
600'
520'
520'
INLT10800
OTHR11490
CBIN11720
OTHR11491
CBIN11721
CBIN11722
CLEN11453
OTLT10229
CBIN11777
INLT10853
CLEN11463
OTLT10230
CBIN11784
CLEN11464
INLT10857 INLT10858
INLT10860
CLEN11466 INLT10861
INLT10870
INLT10871
INLT10872
CLEN11486
INLT10873
INLT10874 INLT10875
OTLT10245
OTHR11508
OTHR11514
OTHR11516
CLEN11535
CLEN11540
INLT10931 INLT10932
OTLT10271
OTLT10273
OTHR11531
OTHR11533
OTLT10274
OTHR11534
OTLT10275
OTHR11535
OTHR11536
OTHR11537
OTLT10280
OTHR11571
OTHR11572
OTHR11573
OTHR11574
OTHR11579
OTHR11580
OTHR11581
OTHR11582
OTHR11583
OTHR11584
OTHR11585
OTHR11586
OTHR11587
OTHR11591
OTHR11615
OTHR11616
OTHR11617
OTHR11618
OTHR11619
OTHR11653
OTHR11654
OTHR11657
OTHR11658
OTHR11659
OTHR11660
OTHR11661
OTHR11662
OTHR11663
OTHR11665 OTHR11666 OTHR11667

VISTA VISTA SAN MARCOS SAN MARCOS
PIPE14728
CHAN10655
PIPE14481
PIPE14477
CHAN10711
PIPE14770
PIPE14456
PIPE14713
CHAN10706
PIPE14472
PIPE14743
PIPE14758
PIPE14729
PIPE14753
PIPE14478
CHAN10748
PIPE14523
CHAN10674
CHAN10671
PIPE14763
CHAN10650
PIPE14724
PIPE14762
PIPE14475
CHAN10667
CULV10256
PIPE14480
CULV10249
CHAN10662
PIPE14199
PIPE14522
DTCH10473
DTCH10469 DTCH10468
DTCH10471
CHAN10649
DTCH10470
DTCH10472
DTCH10475 DTCH10474
CHAN10656
PIPE14735
CHAN10660
CULV10254
PIPE14734
CHAN10669
PIPE14471
CHAN10750
PIPE14725
PIPE14756
PIPE14521
PIPE14732
PIPE14710
CHAN10758
DTCH10440
PIPE14703
CHAN10707
CHAN10753
CHAN10708
CHAN10673
CHAN10672
CHAN10653
CHAN10652
CHAN10654
CHAN10709
CHAN10749
CHAN10665
CHAN10710
PIPE14727
PIPE14520
PIPE14772
PIPE14519
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 85 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 98
SEE SHEET 72
SEE SHEET 84SEE SHEET 86

PPRRIVIVAATTEE
RRDD

PRIVATE RD

PRIVATE RD PRIVATE RD

S RANCHO SANTA FE RD S RANCHO SANTA FE RD

PRIVATE RD PRIVATE RD

PPRRIVIVAATTEERRDD

PPRRIIVVAATTEE RRDD

PRIVATE RD

PRIVATE RD PRIVATE RD

PRIVATE RD

VIEWPOINT DR VIEWPOINT DR

PRIVATE RD

GRANDON AV

PRIVATE RD

LLAAKKEE RRIIDDGGEEDDRR

W SAN MARCOS BL

SSEECCUURRIITTYY
PPLL

FFIIRREELLNN

PRIVATE RD

PRIVATE RD PRIVATE RD

PRIVATE RD

PPRRIIVVAATTEE RRDD

PRIVATE RD PRIVATE RD

PRIVATE RD PRIVATE RD
640'
640'
630'
630'
620'
620'
610' 610'
590' 590'
580' 580'
570' 570'
560' 560'
550' 550'
540' 540'
530'
530'
630'
630'
620' 620'
600' 600'
590' 590'
580' 580'
570' 570'
640' 640'
610'
610'
570' 570'
560' 560'
550' 550'
610'
600'
600'
590' 590'
580'
580'
620'
620'
600'
600'
590'
590'
580'
580'
640'
640'
630' 630'
620'
620'
590'
590'
580' 580'
600'
600'
590'
590'
610' 610'
600'
600'
600'
600'
590'
590'
580'
580'
570'
570'
560' 560'
550' 550'
540' 540'
650' 650'
600'
600'
580' 580'
650' 650'
650' 650'
620' 620'
620' 620'
610'
610'
600'
600'
560'
560'
550' 550'
540'
540'
520'
520'
560'
560'
CBIN11192
CLEN10859
CBIN11193
CBIN11194
CLEN10860
CLEN10876
CBIN11212
CBIN11233
CBIN11234
CLEN10997
OTHR10981
CLEN11093
CBIN11413
CLEN11101
CBIN11438
CBIN11439
OTHR11051
INLT10801
CBIN11864
OTHR11528
CLEN11536
CLEN11537 OTLT10270
CBIN11876
OTHR11570
S.D. S.D.

COUNTY COUNTY

SAN MARCOS SAN MARCOS
PIPE14706
PIPE14704
PIPE12452
PIPE12451
PIPE13576
PIPE14797
PIPE13438
CHAN10648
PIPE13577
PIPE12704
PIPE12450
PIPE14744
PIPE12705
PIPE14745
PIPE14705
CHAN10649
PIPE12454
PIPE12838
PIPE12453 PIPE12939 PIPE12455
PIPE13154
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 86 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 99
SEE SHEET 73
SEE SHEET 85SEE SHEET 87

PRIVATE RD

FIRE LN FIRE LN

W SAN MARCOS BL W SAN MARCOS BL

FIRE LN FIRE LN

RUE DE VALLE
DDIISS

CCOO VVEERRYY
SSTT

SECURITY PL

KKNNIGIGHHTTSS RREEAALLMM
01ST ST

S PACIFIC ST

PPRRVIIVAATTEERRDD

GGRRAANN

DDOONN AAVV

BBEEVVEERRLLYY PPLL
San Marcos Creek
560'
560'
550'
550'
540' 540'
530' 530'
530'
530'
520' 520'
540'
540'
530'
530'
530'
530'
520'
520'
530' 530'
520'
520'
510'
520'
520'
510' 510'
550'
540'
540'
540' 540'
530'
520' 520'
520' 520'
520'
520'
520'
520'
510' 510'
510' 510'
510' 510'
510' 510'
510'
510'
510'
510'
510'
510'
540' 540'
540' 540'
530' 530'
530'
530'
530'
530'
530'
530' 530' 530'
510'
510'
INLT10409
CBIN10976
OTHR10697
OTHR10712
INLT10422
INLT10431
OTHR10770
CBIN11011
INLT10438
OTHR10815
CBIN11012 CBIN11013
INLT10444
INLT10533
OTHR10923
CBIN11213
CBIN11214
CLEN10886
OTHR10925
CLEN10887
OTHR10926 OTHR10927 OTHR10928
OTHR10929
CBIN11315
OTLT10162
INLT10580
CBIN11317
CBIN11318
OTHR10971
CLEN10975
CLEN11093
CLEN11094
CBIN11413
CLEN11100
CLEN11102
OTHR10998
OTLT10179
INLT10721
OTHR11067

SAN MARCOS SAN MARCOS
PIPE12304
PIPE13575
PIPE12851
PIPE13597
PIPE11923
PIPE13092
PIPE12295
PIPE12920
PIPE12305
PIPE12223
PIPE12303
PIPE13438
CHAN10254
PIPE12297
CHAN10357
CULV10215
PIPE13155
PIPE13151
PIPE12838
CHAN10358
PIPE13147
PIPE12852
CHAN10326
PIPE12839
PIPE11924
PIPE13090
PIPE12222
PIPE13154
PIPE12921
PIPE12841
PIPE12937
CHAN10300
PIPE12840
PIPE12239
PIPE12922
PIPE12938
PIPE12240
OTLT10338
OTLT10349
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 87 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 100
SEE SHEET 74
SEE SHEET 86SEE SHEET 88

PRIVATE RD

W SAN MARCOS BL W SAN MARCOS BL

PRIVATE RD

S LAS POSAS RD

PRIVATE RD PRIVATE RD

PRIVATE RD

PRIVATE RD
01ST ST

PRIVATE RD

PRIVATE RD
VVIIAA

VVEERRAA
CC
RR
UU
ZZ

STONE DR STONE DR

MCMAHR RD

LAW ST LAW ST

PRIVATE RD PRIVATE RD

TAMARISK LN
San Marcos Creek
530' 530'
520' 520'
530' 530'
520' 520'
530'
520' 520'
540'
540'
540' 540'
530' 530'
540'
540'
530'
530'
520'
520'
530'
530'
530'
530'
520' 520'
540'
540'
540' 540'
530'
530'
530' 530'
530' 530'
530'
530'
530' 530'
530'
530'
530'
530'
530'
530'
520'
520'
520'
520'
520'
520'
520' 520'
520' 520'
CLEN10531 CBIN10850
OTLT10091
CBIN10919
CBIN10920
INLT10366
CBIN10992
CLEN10647
INLT10434
OTHR10811
CBIN11001
CBIN11002
CLEN10648
OTLT10121
INLT10436
OTHR10812
OTLT10122
OTLT10123
CBIN11011
OTHR10817
OTHR10819
OTLT10124
OTHR10820
OTHR10834
OTHR10852
OTHR10853
OTHR10854
OTHR10855

SAN MARCOS SAN MARCOS
PIPE12280
PIPE12253
PIPE12256
PIPE12271
PIPE12252
PIPE12255
CULV10168
PIPE12272
PIPE11846
PIPE12257
PIPE12302
PIPE11988
CHAN10325
CHAN10324
CHAN10298
PIPE12274
CHAN10326
PIPE11987
PIPE12254
CHAN10323
PIPE11986
PIPE12318
CHAN10299
CHAN10295
CHAN10297
PIPE11845
CHAN10296
CHAN10300
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 88 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 101
SEE SHEET 75
SEE SHEET 87SEE SHEET 89

W SAN MARCOS BL W SAN MARCOS BL

PRIVATE RD
VVIIAA

VVEERRAA
CC
RR
UU
ZZ

PRIVATE RD

PRIVATE RD PRIVATE RD

DISCOVERY ST DISCOVERY ST

PARK PL

PRIVATE RD PRIVATE RD

MARANATHA WY
DD

AA IISSYY LLNN

CRIBBAGE LN

PRIVATE RD
JOY CT

CRAVEN RD
SS
BBEENN
TT
AAVV

CREEKSIDE DR CREEKSIDE DR
San Marcos Creek
590'
590'
580'
580'
570' 570'
560'
550' 550'
540'
540'
590' 590'
580'
550' 550'
540'
540'
540'
530' 530'
540' 540'
530'
530'
540' 540'
540' 540'
540'
540'
540' 540'
540' 540'
540'
540'
540' 540'
540'
540'
540' 540'
530'
530'
530' 530'
530'
530'
530'
530'
530'
530'
CBIN10850
CBIN11168
INLT10521
CLEN10835
INLT10537 CBIN11222
CBIN11242

SAN MARCOS SAN MARCOS
PIPE12923
PIPE12792
PIPE12883
CULV10184
PIPE11846
CULV10183
PIPE12795
PIPE13097
OTLT10345
OTLT10346
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 89 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 102
SEE SHEET 76
SEE SHEET 88SEE SHEET 90

DISCOVERY ST DISCOVERY ST

GRAND AV

CREEKSIDE DR CREEKSIDE DR

ECHO LN

HAPPY HILL LN

LOCUST ST LOCUST ST
San Marcos Creek
620' 620'
610'
610'
600'
600'
590'
590'
580' 580'
570' 570'
560'
560'
640' 640'
630'
630'
640' 640'
630'
630'
620' 620'
610' 610'
600'
600'
590' 590'
580' 580'
560'
570' 570'
560'
550' 550'
640'
640'
630' 630'
620' 620'
610'
610'
600'
600'
590'
590'
550' 550'
570'
570'
560'
560'
580' 580'
570' 570'
570'
560'
550'
590'
590'
580'
580'
560' 560'
550'
550'
560'
560'
550'
550'
550' 550'
540' 540'
540' 540'
580'
580'
580' 580'
560'
560'
560'
600' 600'
590'
590'
590'
590' 590'
550' 550'
560'
560'
560'
550'
550'
560' 560'
550' 550'
560' 560'
550'
550'
550'
550'
550'
550'
550'
550'
550' 550'
540' 540'
560' 560'
560'
560'
560'
560'
560' 560'
550' 550'
550' 550'
540'
540'
540'
540'
CLEN10899
CLEN10900
CLEN10901
OTHR10935
CBIN11249
OTHR10936
CBIN11250
OTLT10160
CLEN10966
CLEN10967
CLEN10968
INLT10562
INLT10563
INLT10564
INLT10569
INLT10572
INLT10573
CLEN10973
CLEN10974
INLT10574
INLT10575
INLT10576
INLT10577
INLT10578
INLT10579
OTHR10970
OTLT10182

SAN MARCOS SAN MARCOS
PIPE12951
PIPE13105
PIPE12950
PIPE12949
PIPE13129
PIPE13140
PIPE13476
PIPE13142
PIPE13187
PIPE13139
PIPE13141
PIPE13113
PIPE13114
PIPE13138
PIPE13104
PIPE13144
PIPE13145
FLOW10043
PIPE13130
PIPE12943
PIPE13143
PIPE12948 PIPE13186
PIPE13127
OTLT10347
OTHR11746
CINT10005
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 90 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 103
SEE SHEET 77
SEE SHEET 89SEE SHEET 91

NNOORRTTHH CCIITTYY DDRR

LOCUST ST LOCUST ST

RR UUSSHH DDRR

MID CITY LN MID CITY LN

S TWIN OAKS VALLEY RD S TWIN OAKS VALLEY RD

DISCOVERY ST DISCOVERY ST

STREET E

PRIVATE RD

BARHAM DR BARHAM DR

PRIVATE RD PRIVATE RD
EE

CCAARRMMEELL
SSTT

BOLOTIN LN BOLOTIN LN

DISCOVERY ST DISCOVERY ST

TERRIER WY TERRIER WY

SSHHUUBBIINNLLNN
680' 680'
670'
670'
650'
650'
640' 640'
630' 630'
620' 620'
710'
710'
700' 700'
660'
660'
610' 610'
600' 600'
590'
590'
580'
700'
680'
680'
690'
650' 650'
660' 660'
670'
620'
620'
630'
630'
640'
640'
610' 610'
600'
600'
590' 590'
690'
680'
670' 670'
660' 660'
650' 650'
640' 640'
630' 630'
620'
620'
610' 610'
600' 600'
590'
590'
630'
620'
610'
610'
600'
600'
620' 620'
610' 610'
720' 720'
710' 710'
630'
630'
620'
620'
610'
610'
590' 590'
590' 590'
580' 580'
700' 700'
690' 690'
600' 600'
590'
590'
600'
600'
590' 590'
590' 590'
580' 580'
580'
580'
570' 570'
570' 570'
700'
700'
700' 700'
660' 660'
640'
640'
590'
590'
580'
580'
580' 580'
590' 590'
590' 590'
590'
590'
590'
590' 590'
590'
590' 590'
590' 590'
CBIN11275
CBIN11276
OTHR10941
OTHR10942
CBIN11279
OTHR10944
OTHR10945
OTHR10948
OTHR10949
INLT10551
CBIN11280
CBIN11281
OTHR10951 INLT10552
OTHR10952
OTHR10953
OTHR10954
CBIN11287
CBIN11288 CLEN10934
OTLT10159
CLEN10935
CLEN10936
CLEN10937
OTHR10960
CBIN11289
INLT10555
CBIN11290 OTHR10961
OTHR10962
OTHR10965
INLT10609
OTLT10167
CLEN11075
CBIN11391
CBIN11392
INLT10622
OTHR10987
OTHR10988
CLEN11076
INLT10647
CLEN11083

SAN MARCOS SAN MARCOS
PIPE13322
CULV10202
PIPE13019
PIPE13599
PIPE13043
PIPE13387
PIPE13021
PIPE13045
PIPE13036
PIPE13321
CULV10204
PIPE13419
CULV10211
CHAN10351
PIPE13022
PIPE13020
PIPE13024
CULV10191
PIPE13385
CULV10209
PIPE13417
CULV10205
PIPE13320
PIPE13023
PIPE13418
PIPE13389
PIPE13041
CULV10206
PIPE13039
CULV10203
CULV10201
PIPE13034
PIPE13388
CULV10200
CULV10193
PIPE13390
CULV10188
PIPE13384
CULV10189
CULV10190
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 91 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 104
SEE SHEET 78
SEE SHEET 90SEE SHEET 92

NORTH CITY DR NORTH CITY DR

STREET E

REDEL RD

BARHAM DR BARHAM DR

BARHAM LN BARHAM LN

CAMPUS WY
LL AA
MM
OO

RREEEE RRDD

CAMPUS VIEW DR CAMPUS VIEW DR

TRADE ST

MID CITY LN MID CITY LN

INDUSTRIAL ST

CCAAMMPPUUSSVVIIEEWW DDRR
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'
710' 710'
700'
700'
690'
690'
680' 680'
670' 670'
660' 660'
760' 760'
750'
750'
740' 740'
730' 730'
720'
720'
680'
680'
670' 670'
660' 660'
650'
650'
640' 640'
630'
630'
620'
620'
610'
610'
620'
620'
610' 610'
600' 600'
590'
590'
770' 770'
760'
760'
660' 660'
640' 640'
630' 630'
620' 620'
610' 610'
590' 590'
580'
580'
700' 700'
690'
690'
690'
690'
680' 680'
600' 600'
590' 590'
690' 690'
680' 680'
660' 660'
650' 650'
660' 660'
650' 650'
770' 770'
620'
620'
610'
610'
650' 650'
670'
660' 660'
650'
650'
770' 770'
630'
630'
610'
580'
580'
580'
580'
590'
590'
590'
590'
CLEN10236
CBIN10565
CBIN10566
OTHR10956
CBIN11283
CBIN11284
OTHR10957
INLT10553
CBIN11285
OTHR10958
CBIN11286
CLEN10933 OTHR10959
OTLT10166
INLT10609
INLT10610
CLEN11049
INLT10611
INLT10612 OTHR11215

SAN MARCOS SAN MARCOS
PIPE13319
PIPE13029
PIPE13032
PIPE13031
PIPE13027
PIPE11241
PIPE11240
PIPE11289
CHAN10426 CHAN10425
PIPE13320
CULV10192
PIPE13046
PIPE10779
CULV10207
PIPE13030
CULV10190
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 92 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 105
SEE SHEET 79
SEE SHEET 91SEE SHEET 93

WALNUT HILLS DR WALNUT HILLS DR
EEDD

GGEEWWAATTEERR DDRR

BARHAM DR BARHAM DR

BBAARRHHAAMM LLNN

BREEZY WY

SSIILLVVEERR SSHHAADDOOWW DDRR

PPAARRKK CCRREEEEKK CCTT

CAMPUS VIEW DR CAMPUS VIEW DR

PRIVATE RD PRIVATE RD
LL AA

MMOORREEEE
RRDD

VENTURE ST

WILKINSON DR

CCOONNDDOORR LLNN
CCAAMM

VVEERR DD EE

IVORY GULL WY

S CARMEL RD

OLVIDA DR
850'
850'
840' 840'
830'
830'
820' 820'
810'
810'
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'
650' 650'
640'
640'
840'
840'
830' 830'
820' 820'
790' 790'
800'
800'
810'
810'
780' 780'
760'
760'
770' 770'
750'
750'
740'
740'
730'
730'
850' 850'
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'
720'
720'
710' 710'
700' 700'
690'
690'
680'
680'
670' 670'
660' 660'
720' 720'
710'
710'
700'
700'
800'
800'
790' 790'
800' 800'
790'
790'
780' 780'
680' 680'
670'
860'
860'
850' 850'
840' 840'
830'
830'
680' 680'
670'
660' 660'
650' 650'
660'
660'
650'
650'
860'
800' 800'
730'
730'
680'
680'
830' 830'
790' 790'
790' 790'
790'
790'
780' 780'
780' 780'
660' 660'
860'
860'
860'
860'
840' 840'
700'
700'
700' 700'
680'
680'
670'
660' 660'
650' 650'
640' 640'
630'
630'
710' 710'
680'
680'
680'
680'
CLEN10218
CLEN10219
CBIN10317 CBIN10318
CBIN10319
INLT10130
CLEN10221
CBIN10320
CLEN10223
CBIN10321
CLEN10224
CLEN10225
INLT10131
CBIN10324
CBIN10332
CLEN10235
CLEN10236
CBIN10479
CLEN10323
CLEN10330
INLT10191
CLEN10331
CLEN10332
OTHR10265
INLT10192
CLEN10333
CLEN10381
CBIN10566
CBIN10567
CLEN10382
INLT10233
CLEN10394
OTLT10069 CBIN10620
OTHR10351
OTHR10434
OTHR10435
OTHR10436
OTHR10486
OTHR10487
OTHR10488
OTHR10489

SAN MARCOS SAN MARCOS
PIPE11365
PIPE10706
PIPE10743
PIPE10765
PIPE11027
PIPE11056
PIPE11247
PIPE10752
PIPE11241
PIPE10760
PIPE10709
PIPE10727
PIPE11057
PIPE10707
DTCH10161
DTCH10158
DTCH10160
DTCH10130
DTCH10129
DTCH10128
DTCH10159
PIPE11039
PIPE10764
PIPE11026
PIPE11243
PIPE11060
PIPE11040
PIPE11058
PIPE10744
PIPE10794
PIPE10769
PIPE11242
PIPE10779
PIPE11240
PIPE11290
PIPE11289
PIPE11059
PIPE10761
PIPE11237
PIPE11061
PIPE10742
PIPE11487
PIPE10710
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 93 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 106
SEE SHEET 80
SEE SHEET 92SEE SHEET 94

MMIIRRAA LLAA
GG
OO
WW
YY

WWHHIISSPPEERRIINNGG WWAATTEERRDDRR

BARHAM DR

EEDDGGEEWWAATTEERR
DD
RR

PPRRIVIVAATTEERRDD

PPAARRKKCCRREEEEKKCCTT

ALOE CT ALOE CT

SILVER SHADOW DR

RROOSSEE AARRBBOORR DDRR

LLAA MMOORREEEE RRDD

CCOONNDDOORR LLNN

DAYLILY CT

SADDLE BACK WY SADDLE BACK WY
870' 870'
860' 860'
850' 850'
840'
840'
830'
830'
820'
820'
810'
810'
800'
790'
790'
780'
780'
720'
720'
710' 710'
700' 700'
730' 730'
690' 690'
750'
750'
740'
740'
840'
830' 830'
820' 820'
810'
810'
780'
780'
770' 770'
760' 760'
750'
750'
740' 740'
730' 730'
710' 710'
700'
700'
690' 690'
820'
810'
800'
790'
780'
770'
760'
760'
750'
750'
740'
740'
730' 730'
720' 720'
710' 710'
700' 700'
690' 690'
680'
670'
670'
820'
820'
810'
810'
800'
800'
790' 790'
780'
780'
770' 770'
760' 760'
750' 750'
720' 720' 710'
710'
780' 780'
770'
770'
760'
760'
810'
810'
800' 800'
790' 790'
760' 760'
750' 750'
740' 740'
730'
730'
720' 720'
710' 710'
770' 770'
760'
750'
800'
800'
790'
790'
780'
780'
770'
770'
760'
760'
780' 780'
770' 770'
690'
690'
680'
680'
820' 820'
810'
810'
800' 800'
790' 790'
800'
800'
790' 790'
750' 750'
740'
740'
680' 680'
670' 670'
680' 680'
670' 670'
700'
700'
690'
690'
690' 690'
680' 680'
770' 770'
760' 760'
670' 670'
850' 850'
800' 800'
720' 720'
740'
740'
730'
730'
750' 750'
740'
730'
720' 720'
780' 780'
670'
670'
780'
780'
810' 810'
780'
780'
770' 770'
750' 750'
730' 730'
710' 710'
710'
710'
690'
690'
690'
690'
690'
690'
680'
680'
670' 670'
CLEN10243
INLT10135
INLT10136
INLT10137
CLEN10244
CBIN10345
CBIN10346
CLEN10246
CLEN10247
CLEN10248
CBIN10347 CBIN10349 INLT10138
CLEN10250
CBIN10350
CLEN10251
CBIN10352
CBIN10477 OTHR10256
CBIN10480
INLT10181
INLT10182
OTLT10042
OTLT10043
OTHR10259
CLEN10323 CBIN10483
CBIN10484
CBIN10486
CBIN10487
CBIN10488
CBIN10499
CLEN10373 CBIN10545 CBIN10546
CBIN10547
CBIN10548
CBIN10549 CLEN10375
CLEN10376
INLT10229 CBIN10551
OTLT10058
OTHR10327
INLT10254
INLT10255
INLT10260
OTLT10067
OTLT10068
OTLT10069
CBIN10618
OTHR10350
OTHR10364
OTHR10368
OTHR10369
OTHR10385
DETB10003
OTHR10411
OTHR10412
OTHR10413
OTHR10445
OTHR10446
OTHR10447
OTHR10448
OTHR10449
OTHR10450
OTHR10452
OTHR10453
OTHR10456
OTHR10457
OTHR10518
OTHR10519
OTHR10520
OTHR10523
OTHR10524
OTHR10536
OTHR10537
OTHR10539
OTHR10540
OTHR10541
OTHR10610
OTHR10611
OTHR10612
OTHR10613
OTHR10614
OTHR10615

SAN MARCOS SAN MARCOS
CHAN10186
PIPE10827
DTCH10132
DTCH10115
CHAN10177
PIPE11212
CHAN10098
PIPE11209
PIPE11210
PIPE10845
DTCH10198
PIPE11049
PIPE10828
CHAN10183
PIPE11047
PIPE10838
PIPE11054
PIPE10844
PIPE11055 PIPE11050
PIPE11451
PIPE10833
PIPE11450
PIPE11215
PIPE11452
CHAN10189
CHAN10104
CHAN10102
DTCH10229
PIPE10843
CHAN10107
PIPE10841
CHAN10117
PIPE11194
PIPE10829
CHAN10171
PIPE11193
PIPE11206
PIPE10848
CHAN10173
CHAN10111
PIPE11028
PIPE11092
PIPE10832
DTCH10141
PIPE10834
PIPE10835
DTCH10134
DTCH10147
DTCH10137
DTCH10138
DTCH10136
DTCH10133
DTCH10113
DTCH10200
DTCH10146
DTCH10145
DTCH10135
PIPE11040
DTCH10142
PIPE10842
CHAN10101
PIPE10831
DTCH10492
DTCH10493
CHAN10100
PIPE10817
DTCH10487
PIPE10815
PIPE11053
FLOW10090
PIPE11030
CHAN10178
CHAN10099
PIPE10830
CHAN10175
CHAN10172
CHAN10103
DTCH10203
CHAN10106
PIPE10847
DTCH10488
PIPE10816
PIPE11039
DTCH10489
PIPE11211
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 94 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 107
SEE SHEET 81
SEE SHEET 93SEE SHEET 95

BENNETT AV

E MISSION RD

RRAANNCCHHEERROOSS DDRR

PRIVATE RD PRIVATE RD

PPRRIIVVAATTEE RRDD

PRIVATE RD PRIVATE RD

PPRR VIIVAATTEE RRDD

PRIVATE RD PRIVATE RD

PRIVATE RD

PRIVATE RD PRIVATE RD

PPRRIIVVAATTEE RRDD

PPRRIIVVAATTEE
RRDD

PRIVATE RD

BARHAM DR

BENNETT CT

MEYERS AV MEYERS AV

COVE CT

PRIVATE RD PRIVATE RD

PRIVATE RD PRIVATE RD
78 730' 730'
720' 720'
710'
700'
690'
690'
740'
680'
680'
730'
720'
710'
700' 700'
710'
710'
690' 690'
740' 740'
720' 720'
710' 710'
700' 700'
690' 690'
680'
720' 720'
700' 700'
710'
710'
700' 700'
680'
680'
730' 730'
710'
710'
710'
710'
700'
700'
690'
680' 680'
700' 700'
680' 680'
750' 750'
750'
750'
740'
740'
730' 730'
720'
720'
680'
680'
670'
670'
710' 710'
710'
710'
710'
710'
710'
710'
690' 690'
690'
690'
690'
690'
680'
680'
CBIN10348
CBIN10413
CBIN10420
OTHR10235 CBIN10421
CLEN10312 CBIN10449
CBIN10450
CBIN10451
CLEN10345
INLT10205
INLT10208
CBIN10501
CBIN10502
CLEN10352
CBIN10511
INLT10214
CBIN10512
OTLT10048
CLEN10361
OTLT10060
OTHR10334
CLEN10415
CBIN10630
OTLT10078
INLT10289
OTHR10400
INLT10290
INLT10295
INLT10296
OTHR10405
OTHR10530
OTHR10531
OTHR10562
OTHR10563
OTHR10564
OTHR10565
OTHR10566
OTHR10567
OTHR10594

SAN MARCOS SAN MARCOS

ESCONDIDO ESCONDIDO
DTCH10193
PIPE11492
CULV10089
PIPE11102
DTCH10226
PIPE11104
PIPE11136
CHAN10018
PIPE11479
PIPE11393
PIPE11481
PIPE11133
PIPE10970
CULV10056
DTCH10224
DTCH10227
DTCH10218
DTCH10191
DTCH10220
DTCH10219
DTCH10221
PIPE11485
PIPE10971
PIPE11196
CHAN10020
PIPE11392
PIPE11109
CHAN10019
PIPE11110
PIPE10847
PIPE11097
PIPE11394
PIPE11480
CULV10136
FLOW10010
PIPE11156
FLOW10090
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 95 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 108
SEE SHEET 82
SEE SHEET 94SEE SHEET 96

NORDAHL RD NORDAHL RD

AUTO PARK WY

MISSION RD

BARHAM DR

MONTIEL RD

OOPPPPEERRSSTT

CENTER DR
M LN

VVIAIA FFLLOORRAA
RRDD

CENTER DR

EE MMIISSSSIIOONN RRDD
78 750' 750'
740'
740'
720' 720'
710'
710'
700'
700'
730'
730'
720'
720'
710'
710'
700'
730'
730'
720'
720'
720'
720'
710' 710'
710'
710'
700' 700'
710' 710'
690'
710' 710'
700' 700'
740' 740'
730'
730'
710' 710'
700'
700'
700'
690'
690'
700'
700'
700' 700'
690' 690'
730' 730'
720'
720'
720'
720'
720'
720' 720'
710' 710'
710'
710' 710'
700' 700'
700'
700'
690' 690'
690'
690'
690'
690'
740' 740'
740' 740'
720'
720'
700' 700'
700' 700'
700'
700'
700' 700'
690'
690'
690' 690'
690' 690'
680' 680'
CBIN10513
OTLT10048
CBIN10514
OTLT10049
INLT10298
INLT10299
OTHR10558
OTHR10559
OTHR10560
OTHR10561

SAN MARCOS SAN MARCOS

ESCONDIDO ESCONDIDO
PIPE11491
PIPE11490
DTCH10212 DTCH10213
DTCH10215
DTCH10214
PIPE11137
PIPE11136
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 96 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 109
SEE SHEET 83
SEE SHEET 95

EXECUTIVE RIDGE

BBUUSSININEESSSS PPAARRKK DDRR

PPOOININSSEETTTTIAIA AAVV

VANTAGE CT VANTAGE CT

LLIINNDDAA

VVIISSTTAA
DDRR

SCOTT ST SCOTT ST

SSPPEECCAIAI LLTTYY DDRR

KKEEYYSSTTOONN
EE
WWYY

ISLAND VIEW WY

LLIIBBEERRTTYY
WWYY

DECISION ST DECISION ST
560' 560' 550' 550' 540' 540' 530' 530' 520' 520' 580' 580' 570' 570' 590' 590' 580' 580'

VISTA VISTA
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 97 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 84
SEE SHEET 98

ELMWOOD WY ELMWOOD WY

PRIVATE RD PRIVATE RD

PRIVATE RD

HILLHAVEN DR HILLHAVEN DR

PRIVATE RD PRIVATE RD

PRIVATE RD

PRIVATE RD PRIVATE RD

AAVVNNDDAA DDEELLAASSRROOSSAASS

EEDDGGEEVVIEIEWWSSTT

PRIVATE RD PRIVATE RD

DDEECCIISSIIOONNSSTT

PRIVATE RD PRIVATE RD

LOOKOUT PL LOOKOUT PL

LLIINNDDAA VVIISSTTAA DDRR

PPOOIINNSSEETTTTIIAA
AAVV
660'
660'
670' 670'
650' 650'
600'
610' 610'
620' 620'
580' 580'
590' 590'
600'
550'
560' 560'
570' 570'
530' 530'
540' 540'
550'
490' 490'
500' 500'
480' 480'
520' 520'
510'
510'
470' 470'
570' 570'
560' 560'
550' 550'
540'
540'
530'
530'
520'
520'
610'
610'
600'
600'
590'
590'
580'
580'
600' 600'
590' 590'
580'
580'
570'
570'
560'
560'
550' 550'
540'
540'
600'
600'
590' 590'
580' 580'
570' 570'
560' 560'
550' 550'
540' 540'
630' 630'
620' 620'
610' 610'
630' 630'
620'
620'
550'
550'
540' 540'
640' 640'
630' 630'
630'
630'
620'
620'
640'
640'
600' 600'
600' 600'
540'
540'
640' 640'
640' 640'
640'
640'
630' 630'
620' 620'
570' 570'
570' 570'
560'
560'
560' 560'
520' 520'
CLEN11459
CLEN11460
INLT10851
CBIN11774
OTHR11496
CLEN11461
CLEN11462
CBIN11776 CBIN11783
INLT10854
INLT10855
INLT10856
CLEN11465
DETB10013
CLEN11539
OTHR11529
CLEN11543
CLEN11548
CBIN11879
OTLT10279
INLT10933
OTHR11542
OTHR11588
S.D. COUNTY S.D. COUNTY

SAN MARCOS SAN MARCOS

VISTA VISTA
PIPE14445
PIPE14760
PIPE14736 PIPE14759
PIPE14474
PIPE14475
PIPE14449
PIPE14521
PIPE14442 PIPE14443
PIPE14718
CHAN10677
PIPE14742
PIPE14761
CHAN10679 PIPE14476
PIPE14709
PIPE14473
PIPE14447
PIPE14750
PIPE14740
PIPE14741
PIPE14751
PIPE14737
FLOW10076
FLOW10075
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 98 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 112
SEE SHEET 85
SEE SHEET 97SEE SHEET 99

VIA PORTOLA VIA PORTOLA

PRIVATE RD

PRIVATE RD PRIVATE RD

PPRRIIVVAATTEE RRDD

AALLTTUURRAA
DDRR

LLAASSCCRRUUCCEESS AAVV

PRIVATE RD PRIVATE RD

ALTURA CR ALTURA CR

PRIVATE RD PRIVATE RD

PPRRIIVVAATTEERRDD

S RANCHO SANTA FE RD S RANCHO SANTA FE RD

PRIVATE RD PRIVATE RD

GRANDON AV

PPRRIIVVAATTEERRDD

LONITA WY LONITA WY
01ST ST

PRIVATE RD PRIVATE RD LAMPASAS WY LAMPASAS WY
VVIIAA

RROOSSAA

PRIVATE RD PRIVATE RD

VALLECITOS DR

VVIAIA FFLLOORRAA

PPRRIIVVAATTEE RRDD
PPRRII

VVAATTEERRDD

PRIVATE RD PRIVATE RD

LAS FLORES DR LAS FLORES DR

LLAA CCOOLLUUSSAA DDRR

PPRRIIVVAATTEERRDD
VVIAIA

BBEELLLLAA

MMAARRIAIA

LA CAMPANA
VVIAIA

BBEELLLLAA

MMOONNICICAA

VVIIAA AALLTTAA VVIISSTTAA

VIA PALOMAR VIA PALOMAR
LLAA

SSIEIERRRRAA
DDRR
VVIAIA

BBEELLLLAA

DDOONNNNAA

VIA SEVILLE VIA SEVILLE

VIA JUANITA VIA JUANITA

PPRRIIVVAATTEERRDD
650' 650'
640'
640'
630'
630'
620'
620'
610'
610'
600'
600'
580'
580'
570' 570'
670' 670'
660'
660'
650' 650'
640'
640'
620'
620'
630'
630'
650'
650'
640' 640'
630'
630'
620' 620'
610'
610'
600'
600'
650' 650'
640' 640'
630'
630'
660' 660'
650' 650'
660' 660'
650'
650'
640'
640'
590' 590'
580' 580'
670'
670'
660' 660'
610' 610'
590'
590'
660' 660'
650' 650'
640'
640'
660' 660'
640'
640'
640' 640'
640' 640'
630'
630'
620' 620'
610' 610'
570' 570'
570' 570'
560'
560'
640' 640'
580'
580'
570'
570'
CBIN10819
INLT10331
OTLT10082
CBIN10831
CBIN10974
OTLT10108
OTHR10721
OTHR10722
OTHR10746
OTHR10747
OTHR10748
OTHR10749
CBIN11881

SAN MARCOS SAN MARCOS
PIPE11805
CHAN10231 CHAN10230
CHAN10227
PIPE11804
CHAN10199
PIPE12156
PIPE14740
CHAN10198
CHAN10229
CHAN10228
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 99 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 113
SEE SHEET 86
SEE SHEET 98
SEE SHEET 100

LLAASS CCRRUUCCEESSAAVV

S RANCHO SANTA FE RD S RANCHO SANTA FE RD

RRUUEEDDEEVVAALLLLEE

MARGIE PL

LONITA WY LONITA WY
01ST ST

DEBRA PL

AALLPPIINNEEPPLL

S PACIFIC ST S PACIFIC ST

LLIINNDDAA VVIISSTTAA DDRR

LLAA CCOOLLUUSSAA DDRR
560'
560'
550'
550'
540'
540'
530'
530'
550'
550'
540'
540'
560' 560'
540' 540'
560' 560'
550' 550'
540'
540'
570'
570'
560'
560'
560' 560'
550' 550'
560'
560'
560' 560'
570'
570'
560'
560'
560'
560'
560' 560'
550' 550'
540' 540'
530'
530'
530' 530'
570'
570'
550' 550'
530'
530'
INLT10359
OTLT10094
CBIN10912
CBIN10913
CBIN10914
CLEN10549
CBIN10915
CBIN10916
CBIN10917
INLT10361
CBIN10926
OTLT10103
CBIN10959
CBIN10960
INLT10395
OTHR10697 INLT10409
OTLT10118
CLEN10632
CLEN10639
CLEN10640
OTHR10723
OTHR10724
OTHR10751
OTHR10752
OTHR10753
OTHR10754
OTHR10755
OTHR10756
OTHR10757
OTHR10768
OTHR10769
OTHR10770

SAN MARCOS SAN MARCOS
PIPE11947
PIPE11999
CHAN10241
CHAN10233
CHAN10252
PIPE12194
CULV10146
PIPE12182
PIPE11943
PIPE12120
PIPE11996
PIPE11946
PIPE12220
CHAN10199
CHAN10235
CHAN10253
CHAN10239
CHAN10237
CHAN10200
CHAN10240
CHAN10234
CHAN10254
CHAN10238
CHAN10236
PIPE11945
PIPE11944
PIPE11998
PIPE12119
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 100 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 114
SEE SHEET 87
SEE SHEET 99
SEE SHEET 101

LLAA MMIIRRAADDAA DDRR
VVIIAA

VVEERRAA
CC
RR
UU
ZZ

S LAS POSAS RD S LAS POSAS RD

COMMERCE ST COMMERCE ST

RYAN DR

LLIINNDDAA VVIISSTTAA DDRR

STONE DR STONE DR
550'
540'
540'
540' 540'
530' 530'
540' 540'
530' 530'
540' 540'
530' 530'
530'
530'
540'
540'
530'
530'
540' 540'
540'
540'
540'
540'
540' 540'
540' 540'
530'
530'
530'
530'
530' 530'
530'
530'
530' 530'
530'
530'
530'
530'
530' 530'
530' 530'
530' 530'
OTLT10084
CBIN10847
CBIN10848
CLEN10528
INLT10341
CBIN10851
CBIN10873
CBIN10874
CBIN10875
CBIN10876
OTHR10647
OTLT10091
OTHR10648
OTHR10650
CBIN10877
OTHR10652
CBIN10878
OTHR10654 OTHR10656
OTLT10092
INLT10352
CLEN10541
CLEN10543
CBIN10897
INLT10362
CLEN10550
OTHR10672
CLEN10596
CLEN10597
CLEN10598
CLEN10599
CLEN10600
INLT10387
CLEN10604
CLEN10605
CLEN10606
CLEN10607
OTHR10676
CLEN10608
CLEN10609
CLEN10610
CLEN10611
CLEN10612
CLEN10613
OTLT10101
CLEN10614
CLEN10615
OTLT10102
OTHR10677
OTHR10678
CLEN10617
CLEN10619
CLEN10620
CLEN10621 CLEN10622
INLT10389
INLT10391
INLT10392
INLT10393
INLT10394
SEPR10012
SEPR10013
OTHR10679 CBIN10965
CBIN10966
OTLT10110
OTLT10112
OTHR10698
OTHR10702
CLEN10642
OTHR10728
OTHR10729
OTHR10730
OTHR10731
OTHR10735
OTHR10736
OTHR10737
OTHR10738
OTHR10739
OTHR10740
OTHR10741
OTHR10744
OTHR10808
OTHR10809
OTHR10810
OTHR10811
CBIN11003
CBIN11004
INLT10437
OTHR10813
CLEN10650
CLEN10651
OTHR10819
OTLT10124
OTHR10820
CLEN10655

SAN MARCOS SAN MARCOS
PIPE12148
PIPE11875
PIPE12266
PIPE12144
PIPE12105
PIPE11872
PIPE11840
PIPE12101
PIPE12282
PIPE12115
PIPE12087
PIPE12276
CHAN10296
PIPE12139
PIPE12103
PIPE12096
CHAN10221
PIPE11874
PIPE12097
PIPE12084
PIPE12265
PIPE12134
PIPE11869
PIPE12268
CULV10138
PIPE11911
PIPE12107
PIPE12133
PIPE12112
PIPE12083
PIPE12085
CHAN10223
PIPE11845
PIPE12132
PIPE12082
PIPE12109
PIPE11897
PIPE11956
PIPE12274
PIPE11948
CHAN10218
CHAN10212
PIPE12088
PIPE12095
PIPE12291
PIPE12081
PIPE12108
PIPE11841
PIPE12201
CHAN10298
PIPE12071
PIPE12092
PIPE12091
PIPE12068
PIPE12302
PIPE11964
PIPE12292
PIPE12264
PIPE12202
PIPE12099
PIPE12301
PIPE12093
PIPE12102
PIPE12269
CHAN10207
CHAN10206
CHAN10217
CHAN10213
CHAN10215
CHAN10214
CHAN10304
CHAN10208
CHAN10216
PIPE12275
PIPE12111
PIPE12110
PIPE12070
PIPE12267
PIPE12106
CULV10167
PIPE12086
PIPE12089
PIPE12098
CULV10137
PIPE12094
PIPE11900
PIPE11899
PIPE12131
PIPE12104
PIPE11963
PIPE11949
CULV10148
CULV10143
PIPE12250
CULV10144
PIPE11877
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 101 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 115
SEE SHEET 88
SEE SHEET 100SEE SHEET 102

WWSSAANN MMAARRCCOOSS BBLL

GRAND AV

PRIVATE RD
SS
BBEENN
TT
AAVV

BOARDWALK BOARDWALK

PARK PL

COMMERCE ST COMMERCE ST

VVAALLLLEECCITITOOSS

DDEEOORROO

LOS VALLECITOS BL

LLIINNDDAA VVIISSTTAA DDRR
78 560'
560'
550'
550'
550' 550'
540'
540'
540'
550' 550'
550' 550'
550'
550'
550'
550'
550'
550'
550'
550'
550'
550'
540'
550' 550'
540'
540' 540'
540'
540'
CLEN10514
OTHR10641
INLT10332
CBIN10828 CBIN10829
CBIN10830
CLEN10527
CBIN10849
CLEN10529
OTHR10643
CLEN10530
CLEN10551
OTLT10099
INLT10383
INLT10384 INLT10385
CLEN10590
CLEN10591
CBIN10958
OTLT10113
OTHR10696
OTHR10707
INLT10433
OTHR10775
OTHR10776
OTHR10777
OTHR10778
CBIN10996
CBIN10997
OTHR10806
CBIN10998
INLT10435
CBIN10999
CLEN10649
CBIN11005
CLEN10651
CLEN10653
CBIN11007
CBIN11008
CLEN10654
CBIN11014
CBIN11015
OTHR10856
CLEN10898
CLEN10970
CBIN11313
INLT10565
CBIN11412

SAN MARCOS SAN MARCOS
PIPE12290
PIPE12259
PIPE12289
PIPE12286
PIPE11950
PIPE11800FLOW10022
PIPE12262
CHAN10206
PIPE11802
PIPE13455
CHAN10266
CHAN10262
PIPE12061
PIPE11951
PIPE12292
PIPE12293
PIPE13123
PIPE11844
PIPE13122
PIPE12067
PIPE12065
PIPE12066
PIPE12294
CHAN10264
CHAN10263
CHAN10265
PIPE13118
PIPE12277
PIPE11801
CULV10162
PIPE11799
PIPE11841
PIPE12288
PIPE12278
PIPE11843
PIPE12260
PIPE11842
FLOW10021
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 102 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 116
SEE SHEET 89
SEE SHEET 101SEE SHEET 103

W SAN MARCOS BL W SAN MARCOS BL

LOS VALLECITOS BL LOS VALLECITOS BL

KNOLL RD

PPRRIIVVAATTEE RRDD
GG
RRAANN
DD
AAVV

N ECHO LN

TRAVELERS WY

WESTLAKE DR
78 San Marcos Creek
600'
600'
590' 590'
580' 580'
570' 570'
560'
560'
590'
590'
580'
580'
570'
570'
550'
550'
560'
560'
550'
550'
570'
570'
560'
560'
570'
570'
560' 560'
560'
560'
550' 550'
550'
550'
580' 580'
570' 570'
560' 560'
570'
570'
560'
560'
560' 560'
560'
550' 550'
550' 550'
560' 560'
560'
560'
560' 560'
560'
560'
560'
560'
550'
550'
INLT10370
INLT10371
OTLT10099
CLEN10877
CLEN10878
CLEN10879
CLEN10880
INLT10534
INLT10535
CBIN11226
CBIN11227 CBIN11228
CBIN11229 CBIN11230
CBIN11231
CBIN11232
CLEN10896
CLEN10897
CLEN10898
CBIN11248 CLEN10902
CLEN10963
CLEN10964
INLT10557
INLT10558
INLT10559
INLT10560
CLEN10965
INLT10561
OTHR10969
CLEN10969
CBIN11312
CLEN10970
CBIN11314
INLT10566
INLT10567
INLT10568
INLT10570 INLT10571
CLEN10978
CLEN10979
CLEN10980
CBIN11320
CLEN10982
CLEN10983
OTHR10973
CLEN11014
CLEN11015
CLEN11016
CLEN11017
OTHR10977
CBIN11386
INLT10631
INLT10632 INLT10633
INLT10652
INLT10653
CBIN11410
CLEN11095
OTHR10995
OTHR10996
CLEN11098
OTHR10997
CLEN11099
INLT10701 CLEN11127
OTLT10188
CBIN11443
CBIN11444
INLT10739
CLEN11130

SAN MARCOS SAN MARCOS
PIPE13166
PIPE13124
PIPE13128
PIPE13110
PIPE13362
PIPE13546
PIPE13615
PIPE13614
CULV10218
PIPE13116
PIPE13133
PIPE12891
PIPE13347
PIPE13409
PIPE13125
PIPE12894
PIPE13109
PIPE13162
PIPE13130
PIPE12895
PIPE13364
PIPE13411
PIPE13543
PIPE12896
PIPE13592
FLOW10021
PIPE13108
PIPE13225
PIPE13163
PIPE13545
PIPE13122
PIPE13126
PIPE13111
PIPE13544
PIPE13164
PIPE13542
PIPE12900
PIPE13136
CULV10186
PIPE13120
PIPE12902
PIPE13134
PIPE12892
PIPE13541
PIPE13131
PIPE13103
PIPE12944
PIPE13226
PIPE13156
PIPE13228
PIPE13135
PIPE12898
PIPE12946
PIPE13160
PIPE12897
PIPE13612
PIPE12943
PIPE13118
PIPE13145
PIPE13613
PIPE13227
PIPE13102
PIPE13455
PIPE13224
PIPE12901
PIPE12890
PIPE13223
PIPE12893
PIPE13229
PIPE13454
PIPE11995
PIPE13616
OTHR11747
OTLT10351
OTLT10352
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 103 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 117
SEE SHEET 90
SEE SHEET 102SEE SHEET 104

NN TTWWIINN OO

AAKKSS VVAALLLLEEYY RRDD

W SAN MARCOS BL W SAN MARCOS BL

PICO AV PICO AV

SSTTWWININOOAAKKSSVVAALLLLEEYY RRDD

TIGER WY

CHINABERRY LN

EE CCAARRMMEELL SSTT

EE SSAANN MMAARRCCOOSSBBLL

BALDWIN LN

JOHNSTON LN

VVIIAA DDEELL

PPRRAADDOO
78 San Marcos Creek
630'
630'
620' 620'
610'
610'
600'
600'
590'
590'
580'
580'
570' 570'
560' 560'
600' 600'
590' 590'
580'
560' 560'
640'
630'
620' 620'
590' 590'
580' 580'
580' 580'
570'
570'
590' 590'
580' 580'
590'
590'
580' 580'
580' 580'
570' 570'
560' 560'
580' 580'
570' 570'
570'
570'
560'
560'
570'
570'
560' 560'
640' 640'
570'
570'
580'
580'
590'
590'
590' 590'
590' 590'
570'
570'
570'
560' 560'
560'
560'
560' 560'
560' 560'
580' 580'
580'
580'
580' 580'
580' 580'
570' 570'
570'
570'
560' 560'
560' 560'
560' 560'
CBIN10246
OTHR10074
CLEN10155
OTHR10076
CBIN10275
CBIN10276
CBIN10277
OTHR10208
OTHR10209
OTHR10210
CBIN10561
OTHR10301
OTLT10157 OTLT10158
INLT10554
CBIN11320
OTHR10972
OTLT10163
CBIN11372
CLEN11053
CBIN11382
CLEN11054
INLT10617
OTHR11009 OTHR10983
INLT10733
INLT10734
INLT10735
INLT10736
OTHR11065
CBIN11445
CLEN11131

SAN MARCOS SAN MARCOS
PIPE13617
CHAN10424
CHAN10347
PIPE11063
PIPE10531
PIPE10624
CHAN10353
PIPE10407
PIPE10409
PIPE13589
PIPE13588
CULV10039
PIPE13038
PIPE10410
PIPE10625
PIPE10622
CULV10037
PIPE13339
PIPE13037
PIPE13342
PIPE13343
PIPE13591
CULV10188
PIPE13324
PIPE13590
PIPE13340
PIPE13341
PIPE10532
CULV10036
PIPE13618
CULV10243
PIPE13592
PIPE10319
CULV10011
OTLT10287
OTLT10318
OTLT10348
OTLT10350
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 104 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 118
SEE SHEET 91
SEE SHEET 103SEE SHEET 105

ENTERPRISE ST ENTERPRISE ST

EE SSAANN MMAARRCCOOSS BBLL

PP RRIIVVAATTEE RRDD

INDUSTRIAL ST
PP

RRIIVVAATTEE RR
DD

ENTERPRISE ST ENTERPRISE ST

PPRRIIVVAATTEERRDD

PRODUCTION ST

VENTURE ST

E CARMEL ST E CARMEL ST

TRADE ST

VVIIAA DDEELL PPRRAADDOO

CAMPUS WY
LLAA
MM
OO

RREEEE RR
DD

PPRRIIVVAATTEE RRDD

CARMEL TR

PPRRIIVVAATTEE RRDD

CIVIC CENTER DR CIVIC CENTER DR

TERRACE LN

VALPREDA RD

CIVIC CENTER DR CIVIC CENTER DR
78 630'
630'
620' 620'
610'
610'
600' 600'
590' 590'
630' 630'
620'
620'
610' 610'
630' 630'
610'
610'
610' 610'
600' 600'
610'
610'
600' 600'
600' 600'
590' 590'
580'
570'
570'
580' 580'
570'
570'
600' 600'
580' 580'
590'
590'
610' 610'
600' 600'
630' 630'
580'
580'
630' 630'
630'
630'
630' 630'
620' 620'
620'
620'
620' 620'
610'
610'
600' 600'
600'
600'
600'
600'
580'
580'
570' 570'
570'
570'
620'
620'
620'
620'
600'
600'
580'
580'
580' 580'
580'
580'
580' 580'
580' 580'
580' 580'
CBIN10274
CBIN10275
CBIN10276
OTHR10240 INLT10169
INLT10170
OTHR10241
OTHR10242 CBIN10459
OTHR10244
CLEN10317
OTHR10245
CBIN10489 CLEN10334
CLEN10335
INLT10193
CLEN10368
CLEN10369
CLEN10370
CBIN10537
CBIN10538
CBIN10561
CLEN10380
CBIN10568
CBIN10569
OTHR10306
CLEN10383
OTLT10059
CLEN10384
CBIN10570
CBIN10571
CLEN10385
INLT10234
OTHR10375
OTHR10376
OTHR10377
OTHR10378
INLT10275
CLEN10414
CBIN10623
INLT10284
CLEN10426
CBIN10642
OTHR10496
OTHR10497
OTHR10498
OTHR10513
OTHR10514
OTHR10605
OTHR10606
OTHR10607
CBIN11373
INLT10613
OTLT10170
OTLT10171
INLT10640
INLT10641
OTLT10173
OTLT10174
OTLT10175
OTLT10176
OTLT10177
OTHR10991

SAN MARCOS SAN MARCOS
CHAN10083
CULV10234
CULV10231
CULV10233
CULV10235
PIPE11063
PIPE10988
PIPE11064
CHAN10167
PIPE11437
CHAN10087
CHAN10084
PIPE11245
PIPE11169
PIPE11180
CULV10230
PIPE11252
CHAN10330
CHAN10328
CULV10229
PIPE13325
CHAN10340
PIPE10624
PIPE11174
PIPE10621
PIPE11065
PIPE10986
CULV10086
PIPE10622
CULV10085
PIPE11246
PIPE11250
PIPE11249
PIPE13324
CHAN10166
PIPE11248
CHAN10192
CHAN10095
CHAN10086
CHAN10329
CHAN10165
CHAN10096
CHAN10085
PIPE11244
PIPE11435
PIPE10989
PIPE11497
PIPE11236
PIPE11177
PIPE11173
PIPE11178
PIPE11438
OTLT10318
OTLT10323
OTLT10324
OTLT10326
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 105 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 119
SEE SHEET 92
SEE SHEET 104SEE SHEET 106

PRIVATE RD

ENTERPRISE ST ENTERPRISE ST

WALNUT HILLS DR

BARHAM DR BARHAM DR

VENTURE ST

PRIVATE RD PRIVATE RD

PRIVATE RD

PRIVATE RD PRIVATE RD
PPRRII

VVAATTEE RRDD

PRIVATE RD PRIVATE RD

BREEZY WY

PRIVATE RD PRIVATE RD

RRAANNCCHHEERROOSSDDRR

PPRRIIVVAATTEE RRDD

PRIVATE RD PRIVATE RD

BARHAM LN BARHAM LN

MATA WY

HILL DR

EE DDGGEEWWAATTEERR
DD RR

PRIVATE RD PRIVATE RD

DISTRIBUTION ST

E CARMEL ST

SANTAR PL SANTAR PL

SSHHEELLLLYY
DD
RR

PRODUCTION ST

PRODUCTION ST
78 670' 670'
660' 660'
650' 650'
640'
640'
680'
680'
630' 630'
690' 690'
680' 680'
670' 670'
660'
660'
660' 660'
650' 650'
640' 640'
690'
690'
680' 680'
670' 670'
690' 690'
680'
670'
660' 660'
670'
670'
660'
660'
660' 660'
650'
650'
650'
650'
640' 640'
640'
640'
630'
630'
640'
640'
630' 630'
630' 630'
620'
620'
620'
610' 610'
630' 630'
670' 670'
680'
680'
670'
670'
660' 660'
660' 660'
660'
660'
670' 670'
660' 660'
610' 610'
CLEN10292
CLEN10293
CBIN10438
INLT10158
OTHR10257
CBIN10478
OTHR10258
CBIN10481
CBIN10482
CLEN10325
INLT10186
CLEN10327
CLEN10328 INLT10189
CBIN10540
CBIN10541
CLEN10372
CBIN10542
CBIN10563
CLEN10380
CBIN10564
OTHR10305
CBIN10572
INLT10239
OTHR10319
OTHR10331
OTHR10337
INLT10261
OTHR10338
OTHR10339
CBIN10619 INLT10266
OTHR10370
INLT10276
OTHR10459
OTHR10490
OTHR10491
OTHR10492
OTHR10494

SAN MARCOS SAN MARCOS
PIPE11042
PIPE11192
PIPE11374
PIPE11239
PIPE11037
DTCH10496
PIPE11031
PIPE11043
PIPE10953
PIPE11205
PIPE11034
PIPE11036
PIPE11203
CULV10058
DTCH10161
PIPE11261
DTCH10164
DTCH10163
DTCH10162
DTCH10165
PIPE11237
PIPE11190
PIPE11238
PIPE11041
PIPE10927
PIPE11170
PIPE11262
PIPE11204
PIPE11024
PIPE11373
PIPE11051
PIPE11032
PIPE11040
PIPE10928
PIPE11236
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 106 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 120
SEE SHEET 93
SEE SHEET 105SEE SHEET 107

WOODLAND PY

BARHAM DR

RANCHEROS DR

FLOWER HILL WY

BBOOUUGGHHEERR RRDD

HHIILLLLSSIIDDEEWWYY

EE MMIISSSSIIOONNRRDD

PRIVATE RD PRIVATE RD

PRIVATE RD
78 800'
790'
780'
770'
760'
750'
740'
730'
720'
710'
700'
690'
680'
670'
660' 660'
690' 690'
680'
680'
670' 670'
660'
660'
650'
650'
640' 640'
630'
630'
700'
690' 690'
680' 680'
660'
660'
650'
650'
640'
640'
660' 660'
650' 650'
640' 640'
630'
630'
650' 650'
640' 640'
660'
660'
650' 650'
690'
690'
680' 680'
670'
670'
660' 660'
660'
660'
650' 650'
820' 820'
810' 810'
670' 670'
660' 660'
650' 650'
660'
660'
670' 670'
670' 670'
660'
660'
690' 690'
690'
690'
670' 670'
670'
670'
650'
650'
640'
640'
640'
640'
640'
640'
640'
640'
630' 630'
630' 630'
700' 700'
660'
660'
640'
640'
630' 630'
630'
630'
OTHR10221
CBIN10432
CLEN10304
CLEN10305
CLEN10306
CBIN10447
OTLT10039
OTHR10234
INLT10162
INLT10183
INLT10184
CLEN10328
OTHR10263
INLT10190
CBIN10494
INLT10202
INLT10203
CBIN10495
OTLT10044
OTHR10269
OTHR10270
OTHR10271
CBIN10503
CBIN10504
OTLT10046
INLT10209
CBIN10578
INLT10251
OTHR10328
OTHR10329
OTHR10330
OTHR10332
INLT10263
CBIN10613 OTHR10343
OTHR10344
OTHR10355
OTHR10368
OTHR10373
OTHR10410
OTHR10415
OTHR10423
OTHR10476
OTHR10477
OTHR10478
OTHR10479
OTHR10535
OTHR10621
OTHR10622
OTHR10623
OTHR10624
OTHR10625

SAN MARCOS SAN MARCOS
PIPE11349
PIPE11387
DTCH10116
DTCH10238
PIPE11275
PIPE11276
PIPE11044
PIPE11095
PIPE10838
PIPE11113
CULV10087
PIPE11483
PIPE11045
PIPE11052
PIPE10835
CULV10073
CHAN10033
PIPE10968
PIPE11386
DTCH10487
DTCH10118
CHAN10077
CHAN10081
DTCH10241 DTCH10242
DTCH10240 DTCH10239
CHAN10108
PIPE10847
DTCH10117
PIPE10967
CHAN10032
DTCH10490
PIPE11112
PIPE10946
PIPE11096
PIPE10846
PIPE11114
PIPE10969
PIPE11107
PIPE11111
CHAN10078
CHAN10079
CHAN10080
DTCH10491
PIPE11277
CULV10072
PIPE10948
PIPE11098
CULV10055
CULV10127
CULV10058
DTCH10492
OTLT10319
OTLT10320
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 107 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 121
SEE SHEET 94
SEE SHEET 106SEE SHEET 108
VVIIAA

CC AAMMEELLLLIIAA

PALOMAR DR PALOMAR DR

FICUS LN

PRIVET ST

GRAPE ST

BOUGHER RD BOUGHER RD

BENNETT AV

VIA TERESA

COVE CT

VIA MARIA

CCAAMMTTOO AAMMAAPPOOLLAA

AVNDA CHAPALA AVNDA CHAPALA

CALLE CRUCERO

VVIIAA DDOORRAADDOO

MONTIEL RD

FICUS LN FICUS LN

DAWN CT

VVIIAA LLAA RRAANNCCHHIITTAA
VVIAIA
LLOOSS

AARRCCOOSS

VIA BELLEZA

AVNDA ELENA AVNDA ELENA

CCAALLLLEE MMAARRIIBBEELL

CCEERRCCOORROOSSAADDOO

CALLE GUERNICA CALLE GUERNICA

CALLE QUERIDO CALLE QUERIDO

CCAALLLLEEIISSAABBEELL

AARRBBOORR LLNN
VVIAIA
LLAA
PPAAZZ

CALLE COLNETT

EE MMIISSSSIIOONN RRDD

RRAANNCCHHEERROOSS DDRR
78 690' 690'
680' 680'
670'
670'
710' 710'
700' 700'
750' 750'
740'
730'
730'
720'
710'
710'
700' 700'
710'
700'
700'
740' 740'
730'
730'
680' 680'
660' 660'
680' 680'
670' 670'
660' 660'
650'
650'
680' 680'
670' 670'
740' 740'
730' 730'
740'
740'
720' 720'
740' 740'
730' 730'
740' 740'
720' 720'
690'
680'
720'
720'
710'
710'
700' 700'
690' 690'
670'
660'
660'
730' 730'
720' 720'
670' 670'
650' 650'
690'
740' 740'
730' 730'
720' 720'
750'
750'
740'
740'
730'
730'
720'
720'
710'
690'
690'
680'
680'
680'
680'
680'
680'
680'
680'
680' 680'
670' 670'
660'
660'
710' 710'
710' 710'
680'
680'
660'
660'
CLEN10277
CBIN10379
CLEN10279
CBIN10380
CBIN10381
CBIN10389
CBIN10390
OTLT10029
INLT10157
CBIN10431
CBIN10434 CBIN10436
CLEN10307 CBIN10437
CBIN10462
CBIN10463
OTHR10267
CLEN10344
INLT10204
CLEN10345 INLT10205
CLEN10346
CLEN10347
OTHR10268
CBIN10508
CBIN10509
CLEN10358
OTLT10047
CBIN10510
INLT10213
OTHR10320
OTHR10336
INLT10259
OTHR10357
CLEN10415
OTHR10406
OTHR10407
OTHR10408
OTHR10464
OTHR10466
OTHR10467
OTHR10468

SAN MARCOS SAN MARCOS
PIPE10947
PIPE11132
PIPE11354
PIPE10945
PIPE11272
PIPE11100
PIPE10681
PIPE10950
PIPE10996
PIPE10915
PIPE11101
PIPE10949
PIPE10678
CHAN10066
PIPE10677
PIPE11126
PIPE11104
PIPE11129
PIPE10951
PIPE10679
PIPE10952
PIPE10916
CHAN10067
PIPE11486
PIPE11156
CHAN10020
PIPE10946
PIPE11131
CHAN10065
CHAN10064
CHAN10063
CHAN10021
CHAN10022
PIPE11391
PIPE11098 PIPE11355
FLOW10010
PIPE11106
PIPE11105
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 108 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 122
SEE SHEET 95
SEE SHEET 107SEE SHEET 109

KNOB HILL RD

PPRRIIVVAATTEE RRDD

NNOORRDDAAHHLL
RRDD

BENNETT AV

MATIN CR

VIA DORADO

PALOMAR DR

RREEEESS RRDD

MATIN CR

MONTIEL RD

VVIIAA LLAA RRAANNCCHHIITTAA

PPAASSEEOO AALLEEGGRREE

DEAVERS DR

DAWN CT

AAVVNNDDAA

RRICICAARRDDOO

VIA RONDA

RRAAMMBBLLAA PPUUEESSTTAA

LESLIE CT

MILLS CT

MMAATTIINN CCRR

RRAAMMBBLLAA SSEERREENNAA

RRAAMMBBLLAA BBRRIISSAA

CENTER DR

VIA RONDA

VVIIAA RROONNDDAA

VIA ARBOLES VIA ARBOLES

VIA ARBOLES
760'
760'
750' 750'
740' 740'
800' 800'
790' 790'
780' 780'
770' 770'
780'
780'
770'
760' 760'
750'
740'
760' 760'
750'
750'
730' 730'
720'
720'
740'
740'
730' 730'
720' 720'
710' 710'
740'
740'
730' 730'
720'
720'
750' 750'
740'
740'
740'
740'
730'
730'
730'
740'
740'
790'
790'
730'
730'
790'
790'
730'
730'
730'
730'
730'
730'
720'
720'
730' 730'
720'
720'
740' 740'
730'
730'
730'
730'
730' 730'
CBIN10423
CLEN10294
CBIN10424
CLEN10295
CLEN10296
CBIN10425

SAN MARCOS SAN MARCOS
PIPE10931
PIPE10933
PIPE10930
PIPE10929
PIPE10937
PIPE10932
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 109 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 123
SEE SHEET 96
SEE SHEET 108
SEE SHEET 110

MATIN CR MATIN CR

ROCK SPRINGS RD

PRIVATE RD

NNOORRDDAAHHLL
RRDD

KNOB HILL RD

PPRRIVIVAATTEE
RRDD

MATIN CR

SAYLES CT

PRIVATE RD PRIVATE RD

CALAVO DR

MATIN CR

AVOCADO WY AVOCADO WY

PRIVATE RD

PPRRIIVVAATTEE RRDD
UNNAMED 9H ST UNNAMED 9H ST

PINE HEIGHTS WY PINE HEIGHTS WY

PPRRIIVVAATTEE
RRDD

PPRRIIVVAATTEE RRDD
UNNAMED 9K ST

PPEEBBBBLLEE SSPPRRININGGSSLLNN
UNNAMED 9G ST UNNAMED 9G ST

PRIVATE RD PRIVATE RD
860' 860'
850' 850'
840'
840'
830'
830'
820'
820'
810' 810'
800'
790'
790'
780'
770'
770'
760' 760'
750' 750'
740'
740'
730' 730'
720'
720'
710' 710'
950'
950'
940' 940'
930' 930'
920'
920'
910'
910'
900'
900'
890' 890'
860'
850'
850'
840'
840'
830'
830'
820'
820'
810'
800'
800'
790' 790'
780'
780'
770'
770'
760'
750' 750'
760'
760'
750' 750'
740' 740'
730' 730'
830' 830'
820' 820'
810' 810'
800' 800'
790'
790'
780'
780'
770'
770'
800' 800'
790'
790'
780'
780'
790'
790'
780' 780'
770' 770'
760' 760'
750'
740'
740'
840'
840'
830'
830'
820' 820'
860' 860'
850' 850'
810' 810'
800'
800'
790' 790'
780' 780'
770' 770'
760' 760'
880'
880'
870'
880'
870' 870'
870'
870'
860'
860'
850'
850'
840'
840'
830' 830'
850'
850'
840'
840'
790'
790'
780' 780'
790'
790'
780' 780'
730'
730'
720' 720'
750' 750'
740' 740'
740'
730'
730'
730'
720'
720'
760'
760'
730'
770'
770'
890'
840' 840'
840' 840'
840'
840'
820'
820'
800' 800'
790' 790'
720'
720'
OTHR10321
OTHR10588

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

ESCONDIDO ESCONDIDO
CHAN10146
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 110 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 124
SEE SHEET 109
SEE SHEET 111

ROCK SPRINGS RD

BORDEN RD

PPLLAAYYAA DDEELL SSOOLL

PPLLEEAASSAANNTT HHIILLLL SSTT

SEVEN OAKES RD SEVEN OAKES RD

PRIVATE RD PRIVATE RD

PPRRIIVVAATTEE
RRDD

RROOCCKK HHIILLLL PPLL

HOMESTEAD PL HOMESTEAD PL

PPRRIIVVAATTEE RRDD SSUUGGAARRLLOOAAFF
DDRR

EAGLE ROCK LN

DEODAR RD DEODAR RD

LA VISTA
15 820' 820'
810' 810' 800' 800' 790' 790'
780' 780' 770' 770' 760' 760' 750' 750' 730' 730'720' 720' 760'
750'
740'
730'
720'
710' 710'
740' 740' 730' 730' 720' 720'
740' 740'
730'
710' 710'
700' 700'
740' 740'
720' 720'
710'
710'
800' 800'
720' 720'
710' 710'
710' 710'
710' 710'
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 111 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 125
SEE SHEET 110

SSPPEECCIIAALLTTYY DDRR

LONE PINE LN LONE PINE LN

ARBORVIEW DR ARBORVIEW DR

LLIINNDDAA VVIISSTTAA DDRR

PPOOIINNSSEETTTTIIAA
AAVV

PPRROOGGRREESSSSSSTT

ACTIVITY DR ACTIVITY DR
660'
660'
650'
650'
640'
640'
630' 630'
620'
620'
610' 610'
600'
600'
590'
590'
580'
580'
570'
570'
560' 560'
540' 540'
530'
530'
520'
520'
510'
510'
500'
500'
490' 490'
480'
480'
520' 520'
500' 500'
490'
490'
480' 480'
470' 470'
460'
460'
540' 540'
530' 530'
650' 650'
640' 640'
630' 630'
620' 620'
610' 610'
600'
600'
590' 590'
580' 580'
570' 570'
560' 560'
630'
630'
620' 620'
540'
540'
530'
530'
520' 520'
580'
580'
570' 570'
460'
460'
450' 450'
550' 550'
540'
540'
670'
670'
550' 550'
470'
510' 510'
610' 610'
530' 530'
590' 590'
530' 530'
510' 510'
670'
670'
670' 670'
550'
550'
540' 540'
530' 530'
530'
530'
530' 530'
510'
510'
500' 500'
500'
500'
480' 480'
470' 470'
470' 470'
460' 460'
450' 450'
530' 530'
CLEN11505
CBIN11821
CBIN11822
CLEN11506
CLEN11507 CBIN11823
CBIN11824
INLT10901 CBIN11825
CLEN11508
CBIN11826
INLT10902
INLT10903 CBIN11827
CBIN11828
CLEN11509
CLEN11512 CLEN11513
CBIN11833
CLEN11514
CLEN11515
CLEN11552
INLT10947
CLEN11553
CBIN11883

SAN MARCOS SAN MARCOS

VISTA VISTA
PIPE14624
PIPE14621
PIPE14627
PIPE14740
PIPE14599
FLOW10084
PIPE14600
PIPE14608
PIPE14800
PIPE14798
PIPE14799
PIPE14625
PIPE14604
PIPE14623
PIPE14611
PIPE14626
PIPE14629
PIPE14607
PIPE14801
PIPE14613
PIPE14609
PIPE14601
CLEN11556
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 112 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 126
SEE SHEET 98
SEE SHEET 113

AALLTTUURRAA DDRR

VIA LIDO

VIA PORTOLA VIA PORTOLA

LAS FLORES DR LAS FLORES DR

VALLECITOS DR VALLECITOS DR

VIA SEVILLE VIA SEVILLE
VVIIAA

AALLTTAA

VVIISSTTAA

LLAA MMIIRRAADDAA DDRR

VIA PALOMAR VIA PALOMAR

DECORA CR

VALLECITOS DR VALLECITOS DR

PPUUEESSTTAA

DDEELL SSOOLL

VIA FLORA VIA FLORA

LLAA CCOOLLUUSSAA DDRR

VVIIAA DDEELL RREEYY

VIA LADERA

PERDIDO PL

LLIINNDDAA VVIISSTTAA DDRR

LLIINNDDAA VVII

SSTTAA DDRR

AARRBBOORRVVIIEEWWDDRR

TILLEY LN TILLEY LN
680' 680'
670'
670'
660' 660'
650' 650'
600'
600'
590'
590'
580'
580'
700' 700'
620' 620'
690'
690'
640'
640'
700'
700'
690'
690'
680' 680'
670' 670'
660' 660'
650' 650'
640'
640'
630'
630'
620' 620'
610'
610'
600' 600'
580' 580'
570' 570'
690'
690'
680'
680'
670' 670'
660' 660'
650' 650'
640' 640'
630'
630'
620'
620'
610' 610'
660' 660'
650' 650'
640'
640'
630' 630'
620'
620'
610'
610'
650' 650'
640'
640'
630'
630'
620' 620'
650'
650'
640'
630' 630'
610' 610'
600'
600'
590' 590'
680'
680'
670'
670'
660'
660'
600'
600'
590'
590'
580' 580'
570'
570'
680' 680'
670' 670'
670'
670'
660' 660'
660'
660'
650' 650'
600' 600'
590' 590'
630'
630'
590'
700' 700'
580'
650'
650'
640' 640' 640' 640'
670' 670'
660' 660'
640'
640'
640'
610'
610'
610' 610'
600' 600'
580'
580'
620' 620'
610'
610'
CBIN10918
INLT10363
INLT10364
INLT10365
INLT10367
CLEN10552
CLEN10553
CBIN10922
CBIN10923
CBIN10924
CBIN10925
CBIN10928
CBIN10929
CLEN10554
CLEN10555
INLT10372
INLT10396
OTLT10104
INLT10397
OTLT10105
OTHR10717
OTHR10732
OTHR10733
OTHR10766
OTHR10767
CLEN11510
CLEN11511
CBIN11829
CBIN11830
CBIN11831
CBIN11835
CBIN11836
CLEN11517
CLEN11518
CBIN11838
CBIN11839
INLT10912
CBIN11852
INLT10913
CBIN11853
CBIN11854
OTLT10255
OTLT10256
INLT10915
OTHR11519
OTLT10258
OTLT10259
OTLT10260
INLT10917
CLEN11529
INLT10920 INLT10919
OTHR11520
CBIN11878
CBIN11881
OTHR11623
OTHR11631

SAN MARCOS SAN MARCOS
PIPE14616
CHAN10725
PIPE14612
PIPE14617
PIPE14635
FLOW10077
PIPE12002
PIPE14662
PIPE11955
PIPE14631
FLOW10052
PIPE12004
PIPE12001
FLOW10054
PIPE14620
PIPE14677
CULV10152
PIPE14691
DTCH10249
PIPE12003
PIPE14739
CHAN10251
PIPE14670
PIPE14665
PIPE14668
DTCH10252
PIPE14613
CHAN10249
PIPE14664
PIPE11989
PIPE14630
PIPE11954
PIPE14740
PIPE14661
PIPE14618
PIPE14633
PIPE11991
CHAN10722
CHAN10250
PIPE14671
CHAN10727
CHAN10717
PIPE12000
PIPE14629
PIPE14619
PIPE14632
PIPE14614
PIPE12006
PIPE12184
PIPE12005
OTLT10362
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 113 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 127
SEE SHEET 99
SEE SHEET 112SEE SHEET 114

S PACIFIC ST S PACIFIC ST

KENSINGTON DR KENSINGTON DR

S RANCHO SANTA FE RD S RANCHO SANTA FE RD

PAWNEE ST PAWNEE ST

NAVAJO ST NAVAJO ST
09TH ST

STARSTONE DR STARSTONE DR
ALLEY

GRAND AV

STARSTONE PL STARSTONE PL
ALLEY

LLAA MMIIRRAADDAA DDRR

VIA DE ANZA

LLAA MMIIRRAADDAA DDRR

LLIINNDDAA VVIISSTTAA DDRR

CREEK ST

CHEROKEE ST

DDEECCOORRAA
CCRR
08TH ST

LLAA RROOSSAA DDRR

COMMODORE DR
600' 600'
580'
580'
560' 560'
590' 590'
580' 580'
560' 560'
590'
590'
570'
570'
600'
600'
560'
560'
580'
580'
570'
570'
560'
560'
550'
550'
570' 570'
580'
580'
570'
570'
570'
570'
560'
560'
550' 550'
560'
560'
CLEN10515
CBIN10820
CBIN10832
CBIN10910
CBIN10911
INLT10360
CLEN10547
CLEN10548
CBIN10926
CBIN10927
CLEN10574
CLEN10575
CLEN10576
CLEN10577
CLEN10578
CLEN10579
CBIN10947
CBIN10948
CLEN10624
CBIN10963
CBIN10964
CBIN10975
CBOL10003
INLT10407
CBOL10004
CBIN10981
OTHR10704
INLT10416
OTLT10117
CBIN10987
OTHR10709
CLEN10633
CBIN10988
CLEN10634
CLEN10635
CLEN10636
CLEN10637
CLEN10645
INLT10427
INLT10428
OTHR10725
OTHR10726
OTHR10742
OTHR10758
OTHR10759
OTHR10760

SAN MARCOS SAN MARCOS
PIPE11655
PIPE11938
PIPE12128
PIPE12052
PIPE12051
PIPE11653
PIPE12224
CHAN10245
CHAN10242
CHAN10219
PIPE11999
PIPE12187
CHAN10202
CHAN10204
PIPE12197
PIPE11936
PIPE12185
PIPE12220
PIPE12219
PIPE11934
PIPE11935
PIPE12050
PIPE12127
PIPE12129
PIPE11654
PIPE12188
PIPE12193
PIPE12226
PIPE11937
PIPE12048
PIPE12126
PIPE12047
PIPE12159
CHAN10203
CHAN10244
CHAN10243
PIPE11998
PIPE12046
PIPE12184
PIPE12192
PIPE12225
PIPE12000
PIPE12191
FLOW10020
PIPE12250
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 114 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 128
SEE SHEET 100
SEE SHEET 113SEE SHEET 115

S LAS POSAS RD S LAS POSAS RD

N LAS POSAS RD N LAS POSAS RD

S PACIFIC ST S PACIFIC ST

LLAA MMIIRRAADDAA DDRR

GRAND AV

SEMINOLE ST

LLOOSS VVAALLLLEECCITITOOSSBBLL
ALLEY

NEWPORT DR NEWPORT DR

PRIVATE RD PRIVATE RD

TAULBEES LN

PRIVATE RD PRIVATE RD
78 570'
570'
560'
550'
550'
540' 540'
560'
550'
550'
540'
560' 560'
550'
550'
550' 550'
540' 540'
550'
550'
540' 540'
550' 550'
550'
550'
560'
550' 550'
540'
540'
550' 550'
550'
550'
550' 550'
540' 540'
560'
560'
550'
550'
550'
550'
550' 550'
550' 550'
550'
550'
550'
550'
CBIN10852
CBIN10853
OTHR10655
OTHR10657
OTHR10658
OTHR10659
OTHR10660 CBIN10879
CBIN10880
OTHR10664
OTHR10667
OTHR10668
CLEN10539
CLEN10540
INLT10352
CLEN10542
CBIN10891
CBIN10892
OTHR10670
CBIN10893
OTHR10671
CBIN10899
CLEN10557
INLT10373
CLEN10558
CBIN10938
CBIN10939
CLEN10592
CLEN10593
CLEN10594
CLEN10595
CLEN10596
CLEN10601
INLT10386
CLEN10602
CLEN10603
CLEN10604
OTHR10683
OTHR10698
OTHR10699
CBIN10982
CBIN10983
INLT10423
INLT10429
INLT10430
OTHR11731
OTHR11732

SAN MARCOS SAN MARCOS
PIPE12203
PIPE11902
PIPE11916
PIPE11880
PIPE12221
PIPE12070
PIPE11895
PIPE12238
PIPE11959
PIPE11881
PIPE11963
PIPE12078
PIPE12232
PIPE12076
PIPE11847
PIPE11897
PIPE11879
PIPE12074
PIPE12069
PIPE11888
PIPE12075
PIPE12077
PIPE11960
PIPE12079
PIPE14835
PIPE12131
PIPE12236
PIPE12234
PIPE11953
PIPE12008
PIPE11901
PIPE12009
PIPE12171
PIPE11966
PIPE12080
PIPE11952
PIPE11894
PIPE11914
PIPE12235
PIPE11903
PIPE11965
CULV10261
PIPE11961
PIPE11962
PIPE12204
CULV10164
DTCH10500
PIPE12250
FLOW10020
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 115 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 129
SEE SHEET 101
SEE SHEET 114SEE SHEET 116

BINGHAM DR BINGHAM DR

BAILEY CT

LOS VALLECITOS BL

GRAND AV

ARMORLITE DR

VVAALLLLEECCITITOOSS

DDEEOORROO
78 580' 580'
570'
570'
560' 560'
570'
570'
560'
560'
560' 560'
550' 550'
560'
560'
550'
550'
560'
550'
570'
570'
560'
560'
550' 550'
560' 560'
560'
560'
560'
560'
550'
550'
550'
550'
550' 550'
550'
550'
550'
550'
550'
550'
550'
550'
550' 550'
CLEN10512
CLEN10513
CLEN10517
INLT10330
OTHR10641
INLT10332
CBIN10824
CBIN10825
CBIN10830
OTLT10087
INLT10344
OTLT10088
INLT10353
CLEN10544
CBIN10894
CBIN10895
INLT10354
CBIN10905
CBIN10908
CBIN10909
OTLT10096
INLT10373
INLT10385
CLEN10588
CLEN10589
CBIN10958
CBIN10967
INLT10399
CBIN10968 OTHR10687
OTHR10691
INLT10403
INLT10404
CLEN10626
OTHR10693
INLT10406
CLEN10627
CLEN10628
CLEN10629
CBIN10972
OTLT10113
INLT10420
INLT10421
OTHR10719
OTHR10720
OTHR10780
OTHR10781
OTHR10782
OTHR10791
SAN MARCOS SAN MARCOS PIPE12152
CULV10156
CHAN10292
PIPE12118
PIPE11940
PIPE11904
PIPE12216
PIPE11906
PIPE11796
PIPE11793
PIPE11970
PIPE11929
PIPE12009
CHAN10271
PIPE11802
CHAN10267
PIPE11931
CHAN10193
PIPE12062
PIPE12153
CHAN10195
CHAN10196
PIPE11930
PIPE12065
PIPE11792
PIPE11905
PIPE12066
CHAN10194
PIPE12064
PIPE12166
PIPE12124
PIPE12151
PIPE11907
PIPE11971
CHAN10268
CHAN10270 CHAN10269
PIPE12165
PIPE12125
PIPE12150
PIPE12247
PIPE11794
PIPE11928
PIPE11784
CULV10147
PIPE11941
PIPE11797
PIPE11795
PIPE12149
PIPE11910
PIPE11798
PIPE11908
PIPE11909
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 116 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 130
SEE SHEET 102
SEE SHEET 115SEE SHEET 117

AUTUMN DR

LIBERTY DR LIBERTY DR

PRIVATE RD PRIVATE RD PRIVATE RD

RICHMAR AV

KNOLL RD KNOLL RD

PPRRIVIVAATTEE RRDD

WESTLAKE DR

PPRRIIVVAATTEE RRDD

W MISSION RD

LOS VALLECITOS BL LOS VALLECITOS BL

PRIVATE RD PRIVATE RD
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'
730' 730'
720'
720'
710' 710'
700'
690'
680'
670'
660' 660'
650'
640'
630'
620'
610' 610'
600' 600'
590'
690'
680'
680'
670'
670'
660'
650'
650'
640'
640'
630' 630'
620'
610'
600' 600'
580' 580'
570'
570'
730'
730'
720' 720'
710'
710'
700'
700'
620' 620'
610'
610'
600'
600'
610'
610'
600'
600'
590' 590'
580' 580'
580'
570' 570'
750'
750'
730'
730'
600'
600'
590'
590'
590' 590'
580'
580'
580' 580'
570' 570'
740'
740'
590' 590'
570'
570'
560' 560'
620'
620'
620'
620'
570' 570'
570' 570'
570' 570'
620' 620'
620' 620'
570'
570'
570' 570'
570' 570'
CBIN10822 CBIN10821
OTHR10642
INLT10339
INLT10340
CBIN10846
INLT10354
CLEN10560
CBIN10934
CLEN10561
INLT10401
INLT10414
OTHR10783
OTHR10784
OTHR10785
OTHR10786
OTHR10787
OTHR10788
OTHR10789
OTHR10791 OTHR10790
OTHR10799
CLEN10976
CLEN10977
CBIN11319
CLEN10978
CLEN11055
CLEN11056

SAN MARCOS SAN MARCOS
PIPE11782
PIPE12881
PIPE12019
PIPE13344
PIPE13346
PIPE11833
PIPE13158
PIPE11838
CHAN10272
PIPE11835 PIPE12179
PIPE11836
PIPE13165
PIPE12059
PIPE12022
PIPE12244
PIPE12018
PIPE12021
PIPE11783
CHAN10274
CHAN10273
CHAN10275
CHAN10279
CHAN10278
CHAN10277
CHAN10276
CHAN10280
PIPE11837
PIPE13159
PIPE12017
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 117 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 131
SEE SHEET 103
SEE SHEET 116SEE SHEET 118

PICO AV

W SSAANN MAARRCCOOSS BBLL
NN

TTWWININ

OOAAKKSSVVAALLLLEEYY
RRDD

RICHMAR AV

FIREBIRD LN FIREBIRD LN

AUTUMN DR

E MISSION RD

W MISSION RD

GOSNELL WY GOSNELL WY

FITZPATRICK RD FITZPATRICK RD

PLEASANT WY PLEASANT WY

PICO AV PICO AV

MARCOS ST

ROMA AV
ALLEY

PPRRIIVVAATTEE RRDD
ALLEY

WESTLAKE DR

POSITIVE PL POSITIVE PL

CHINABERRY LN CHINABERRY LN

TIGER WY
640'
640'
630'
630'
620'
620'
610' 610'
600'
600' 590'
590'
580'
580'
590'
590'
580'
580'
600'
600'
590'
590'
580'
580'
570'
570'
590'
590'
600'
600'
600'
600'
580' 580'
590' 590'
580'
580'
590'
590'
580'
580'
580' 580'
580'
580'
650' 650'
580' 580'
580' 580'
580'
580'
590' 590'
580'
580'
580' 580'
580' 580'
580'
580'
580'
580'
580'
580'
570' 570'
590'
590'
580' 580'
580' 580'
580' 580'
580' 580'
580'
580'
580' 580'
580'
580'
CBIN10044
CLEN10026
CLEN10027
INLT10012
CLEN10028 CLEN10076
CLEN10079
INLT10042
CBIN10131
CBIN10133
CBIN10135 OTHR10040
OTHR10041
CBIN10157
CLEN10103
CBIN10158
CBIN10159
CBIN10160
CBIN10161
CBIN10162
INLT10063
INLT10064
OTHR10066
CBIN10210
INLT10065
CBIN10211
OTHR10071
CBIN10247
CBIN10253
CLEN10156
CBIN10257
OTHR10077
CBIN10258
OTHR10080
CBIN10262
CBIN10264
OTHR10099
INLT10111
CBIN10276
INLT10112
OTHR10207
OTHR10211
OTHR10212
CLEN10999
INLT10582
INLT10583
CLEN11084
CLEN11085
CLEN11086
CLEN11087
CLEN11088
INLT10651 CLEN11089
CBIN11408
CBIN11409
CBIN11419
INLT10665
CLEN11114
CLEN11115
CLEN11116
INLT10666
INLT10667
INLT10669
INLT10731
INLT10732

SAN MARCOS SAN MARCOS
PIPE10085
PIPE10086
PIPE10429
PIPE13482
PIPE10463
PIPE10430
PIPE10590
PIPE13192
PIPE10613
PIPE10554
PIPE10562
PIPE10313
PIPE10622
PIPE13425
PIPE13479
PIPE10317
PIPE10523
PIPE10533
PIPE10427
PIPE10462
PIPE13430
PIPE10538
PIPE10535
CULV10015
PIPE13481
PIPE10314
PIPE10147
CULV10038
PIPE10083
CULV10039
PIPE13426
PIPE10320
PIPE10431
PIPE13427
PIPE10522
PIPE10591
PIPE10114
PIPE13423
PIPE10625
PIPE13586
PIPE10521
CULV10012
PIPE13480
PIPE13585
PIPE13428
PIPE10426
PIPE13193
PIPE13587
PIPE10464
PIPE10561
PIPE13477
PIPE10318
PIPE13429
PIPE10144
PIPE10116
CULV10027
PIPE13588
PIPE10316
PIPE10540
PIPE10539
PIPE10113
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 118 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 132
SEE SHEET 104
SEE SHEET 117SEE SHEET 119
PPRRII

VVAATTEERRDD

EE SSAANN MMAARRCCOOSS BBLL

PRIVATE RD PRIVATE RD

PPRRIIVVAATTEE
RR DD

FALCON PL

EE MMII

SSSSIIOONNRRDD

WOODWARD ST WOODWARD ST

VVININEEYYAARRDD RRDD

VVAALLPPRREEDDAA
RR
DD

SUNBIRD CT SUNBIRD CT

CCIIVVIICC

CCEENNTTEERR
DD
RR
PP

RRIIVVAATTEE RR
DD
PP

RRIIVVAATTEE RR
DD
MMIISS

SSIIOONN TTEERR
RRAA
CC
EE
AAVV

CIVIC CENTER DR CIVIC CENTER DR

TTEERRRRAACCEELLNN

RICHMAR AV RICHMAR AV

SSIILLKK MMIILLLL PPLL
730'
730'
720'
720'
710'
700'
690'
690'
680'
670'
660'
650'
650'
640' 640'
630'
630'
620'
620'
610'
610'
600' 600'
760' 760'
750'
750'
740'
710' 710'
700' 700'
690' 690'
680'
680'
670'
670'
660' 660'
650'
650'
640' 640'
630'
630'
620' 620'
610'
610'
600'
600'
680' 680'
670' 670'
660'
660'
650' 650'
640' 640'
630' 630'
620' 620'
610'
610'
690'
690'
670'
670'
660'
660'
650' 650'
730'
730'
720' 720'
670'
660' 660'
650'
730' 730'
720' 720'
680' 680'
670'
670'
660'
660'
630' 630'
620' 620'
610' 610'
600' 600'
590'
590'
590'
590'
580' 580'
590'
590'
580' 580'
590'
590'
580' 580'
590'
590'
600' 600'
710' 710'
700' 700'
610' 610'
600' 600'
610'
610'
580' 580'
570'
570'
700'
700'
590' 590'
600'
600'
600' 600'
590'
590'
580'
580' 580'
580'
580' 580'
600'
600' 600' 600'
590' 590'
580'
580'
580' 580'
580' 580'
580' 580'
CLEN10034
CLEN10035
INLT10055
INLT10063
CBIN10209
INLT10086
INLT10087
INLT10088
INLT10105
OTHR10093
OTHR10095
CBIN10278
CBIN10279
CBIN10280 OTHR10211
OTHR10212
CLEN10315
CLEN10316
INLT10168
OTLT10040
CLEN10353
CBIN10505
CBIN10555
CLEN10377
INLT10235
INLT10236
INLT10237
INLT10238
OTHR10307
OTHR10308
CBIN10582 CBIN10583
CBIN10584
CBIN10605
CBIN10606
CBIN10632
CBIN10633
INLT10286
CBIN10645
CBIN10646

SAN MARCOS SAN MARCOS
PIPE11401
PIPE11351
PIPE11224
PIPE11255
PIPE10622
PIPE11352
PIPE10985
PIPE10628
PIPE11442
PIPE11256
PIPE11258
CULV10015
PIPE11223
PIPE11259
PIPE10627
PIPE10626
PIPE11254
PIPE11400
PIPE11253
PIPE11287
PIPE10983
PIPE10149
PIPE10235
PIPE10234
PIPE11443
PIPE11353
PIPE10148
PIPE11286
PIPE10426
PIPE11260
PIPE10984
PIPE11285
PIPE10147
OTLT10291
OTLT10292
OTLT10293
OTLT10321
OTLT10327
OTLT10328
OTLT10331
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 119 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 133
SEE SHEET 105
SEE SHEET 118
SEE SHEET 120

PRIVATE RD

PRIVATE RD PRIVATE RD

MISSION HILLS CT

PPRRII VVAATTEE
DDYY

PRIVATE RD

PPRRIIVVAATTEERRDD

PPRRIIVVAATTEEDDYY

SANTAR PL SANTAR PL

PRIVATE RD

MULBERRY DR MULBERRY DR

PP RR IIVVAATTEE
DDYY

MATA WY

PRIVATE RD

EE MMIISSSSIIOONN RRDD

PRIVATE RD
640' 640'
630'
630'
620'
620'
610' 610'
600' 600'
650' 650'
640'
630' 630'
620'
620'
610' 610'
600' 600'
650' 650'
640' 640'
670'
670'
660' 660'
630' 630'
620' 620'
620'
620'
610'
610'
650'
660'
660'
640'
640'
630'
630'
620' 620'
620'
620'
620'
620'
610'
610'
600' 600'
600' 600' 600' 600'
600' 600'
600' 600'
600'
600'
600' 600'
650' 650'
630'
630'
620'
620'
620'
620'
620' 620'
620' 620'
610' 610'
610'
610'
600'
600'
CLEN10242
CLEN10269
CBIN10368
CBIN10369
CLEN10270
CLEN10271
CBIN10370
CLEN10272
INLT10144
OTHR10227
CBIN10419
CLEN10291
INLT10164
OTHR10237 INLT10165
OTHR10238
CBIN10452
CBIN10453
INLT10166 CLEN10313
INLT10167
CBIN10454
CBIN10455
CBIN10460
CLEN10319
CBIN10461
INLT10171 INLT10194
OTHR10272
INLT10210
CLEN10354
CLEN10355
CLEN10356
INLT10212 CBIN10507
CBIN10553
CBIN10554
CBIN10573 OTHR10309
CBIN10574
CLEN10387
CBIN10575
CLEN10388
CBIN10607
CBIN10609
CBIN10610
CLEN10410
CLEN10411
CLEN10412
CBIN10622
INLT10268
INLT10269
CBIN10625
OTLT10077
CLEN10427
CBIN10653
OTHR11723
OTHR11724

SAN MARCOS SAN MARCOS
PIPE10866
PIPE10980
PIPE10975
PIPE11121
PIPE10901
PIPE10973
PIPE11362
PIPE11359
PIPE11068
PIPE11379
PIPE11116
PIPE10992
PIPE11115
PIPE11264
PIPE11069
PIPE10904
CHAN10790
PIPE11171 PIPE10876
PIPE11364
FLOW10013
PIPE11371
PIPE10870
PIPE11120
PIPE11125
PIPE10993
CHAN10793
PIPE11266
PIPE11375
PIPE10995
PIPE11263
CULV10101
PIPE10977
PIPE10909
PIPE10994
PIPE11269
PIPE10990
PIPE11124
CHAN10792
PIPE11363
PIPE10978
PIPE11265
PIPE11267
PIPE11446
PIPE11117
PIPE10974
CHAN10791
PIPE10991
PIPE11376
PIPE10902
PIPE10864
PIPE11361
PIPE11268
PIPE10927
PIPE11447
PIPE11221
OTLT10322
OTLT10325
OTLT10329
OTHR11734
OTLT10332
OTLT10333
OTLT10334
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 120 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 134
SEE SHEET 106
SEE SHEET 119
SEE SHEET 121

FAIRLANE AV

RICHLAND RD RICHLAND RD

PPRRIIVVAATTEE DDYY

PRIVATE RD PRIVATE RD

CCAANNDDEERRAA
LLNN

PRIVATE RD

CALLE RAYO CALLE RAYO

PPRRIIVVAATTEE DDYY

BROOKDEL AV

CHERYL LN

WOODLAND PY

PPRRIIVVAATTEEDDYY

E MISSION RD

PPRRIIVVAATTEE DDYY

PRIVATE DY

PRIVATE DY
700'
700'
690'
690'
670' 670'
660' 660'
650'
650'
640'
640'
710'
710'
680' 680'
700'
700'
690' 690'
680' 680'
670' 670'
660'
660'
650' 650'
680' 680'
670'
670'
650' 650'
640' 640'
630' 630'
660' 660'
650' 650'
640' 640'
640'
640'
630' 630'
630'
620'
620'
640'
640'
660' 660'
690' 690'
620'
690' 690'
670'
670'
660' 660'
660' 660'
640'
640'
640' 640'
630'
630' 630'
630'
630'
630'
660' 660'
660' 660'
650' 650'
640' 640'
640'
640'
640' 640'
640' 640'
640' 640'
640'
640'
630'
630'
630'
630'
630'
630'
620'
620'
620'
620'
INLT10139
CLEN10254
CBIN10354
CBIN10355
INLT10140
CBIN10356
CLEN10255
CBIN10357
CLEN10280
OTHR10230
CLEN10281
CLEN10298
CLEN10306
CBIN10448
CBIN10456
CBIN10457
CLEN10314
CBIN10458
OTHR10239
CBIN10474
INLT10177
CBIN10490
OTHR10266
CLEN10371
INLT10226
INLT10227
INLT10228
OTHR10296
INLT10252
CLEN10408
CLEN10409
OTHR10322
OTHR10323
CBIN10638
CLEN10423
INLT10288
CBIN10649
OTHR10395
CBIN10650
OTHR10396
CBIN10651
OTHR10397
CLEN10429
CBIN10652
OTHR10399
OTHR10417
OTHR10529

SAN MARCOS SAN MARCOS
PIPE11019
PIPE11476
PIPE11421
PIPE11422
PIPE11419
PIPE11338
PIPE10854
PIPE11202
PIPE11500
PIPE11474
PIPE10850
PIPE11469
PIPE10853
PIPE10851
PIPE11473
CULV10126
PIPE10948
PIPE10849
PIPE11472
PIPE11478
PIPE10855
CULV10128
PIPE11420
CULV10122
CULV10125
PIPE11468
PIPE11199
PIPE10981
PIPE10982
PIPE11200
PIPE11477
CULV10071
CULV10113
PIPE10913
CULV10130
PIPE10852
CULV10127
CULV10129
CULV10124
DTCH10237
CULV10121
PIPE11337
PIPE11475
PIPE11499
PIPE11339
PIPE11341
PIPE10914
OTLT10325
OTLT10330
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 121 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 135
SEE SHEET 107
SEE SHEET 120SEE SHEET 122

WOODS DR

BBOOUUGGHHEERR RRDD

VVIIAA TTEERREESSAA
VVIIAA

CCAAMMEELLLLIIAA
VVIAIA
LLOOSS

AARRCCOOSS

FFAAIIRRLLAANNEEAAVV

KNOB HILL RD

PRIVATE RD PRIVATE RD

SHADOW HILLS DR SHADOW HILLS DR

GGLLEENN AAVVOONN
DDRR

VVIIAA DDOORRAADDOO

CCAANNDDEERRAA LLNN

CAM REDONDO

LYNWOOD LN LYNWOOD LN

RRUUEEDDAA

MMAARRGGAARRIITTAA

HANNIGANS WY

CCAAMM MMAATTEEOO

WWOOOODDLLAANNDD PPYY

CALLE ADELA CALLE ADELA

CALLE RAYO

CANDERA LN

WWOOOODDLLAANNDD CCTT

CALLE VELA

SSUUTTTTEERR CCTT

CCAALLLLEE JJUUAANNITITAA

SSHHAADDOOWW HHIILLLLSS CCTT

WWIINNTTEERRGGRREEEENNPPLL

STONEHEDGE PL

PPRRIIVVAATTEERRDD

VVIIAA LLAA RRAANNCCHHIITTAA

PPRRIIVVAATTEE RRDD

SUTTER LN

GGLLEENN AAVVOONN
DDRR

GGLLEENN AAVVOONN DDRR
750'
750'
740'
740'
730'
730'
720'
720'
710'
710'
700'
700'
690' 690'
680' 680'
670'
670'
690' 690'
680' 680'
670' 670'
660'
660'
700'
700'
690'
690'
680' 680'
660'
660'
710'
700'
700'
690' 690'
730'
730'
720'
720'
700' 700'
690'
690'
680' 680'
670' 670'
730'
730'
720'
720'
710'
710'
700' 700'
720' 720'
710' 710'
700'
700'
730' 730'
690' 690'
740'
740'
730'
730'
700'
700'
690'
680'
680'
670'
660'
660'
650' 650'
650' 650'
650' 650'
730'
730' 730'
730' 730'
720'
720'
700' 700'
690' 690'
670' 670'
650'
650'
700'
700'
690' 690'
690' 690'
650' 650'
650'
650'
CLEN10288
INLT10150
CBIN10394
CBIN10395
OTLT10032
CBIN10428
CBIN10475
OTHR10255
CBIN10491
INLT10195
CLEN10338
INLT10196
INLT10219
CBIN10518
CBIN10530
CBIN10539
OTLT10057
OTHR10323
OTHR10372
OTLT10073
CBIN10648
OTHR10393
INLT10287
INLT10288
OTHR10418
OTHR10502
OTHR10503
OTHR10504
OTHR10505
OTHR10506
OTHR10507
OTHR10508
OTHR10509
OTHR10510
OTHR10511
OTHR10512
OTHR10525 OTHR10526
OTHR10527
OTHR10528

SAN MARCOS SAN MARCOS
PIPE11073
PIPE10696
CULV10069
PIPE11075
DTCH10180 DTCH10177
PIPE11311
PIPE11465
PIPE11074
PIPE11467
PIPE10698
PIPE11072
DTCH10173 DTCH10172
DTCH10175
DTCH10168
DTCH10186
DTCH10122
DTCH10178
DTCH10179
DTCH10188 DTCH10187
DTCH10121
DTCH10185
PIPE11071
DTCH10174 DTCH10171 DTCH10167
PIPE11160
PIPE11395
PIPE10697
PIPE11466
PIPE10938
CULV10121
FLOW10012
CULV10120
CULV10131
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 122 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 136
SEE SHEET 108
SEE SHEET 121SEE SHEET 123

RROOCCKK SSPPRRIINNGGSS RRDD

KNOB HILL RD

REES RD REES RD

OAKS CT

MATTHEW LN

VVIIAA DDOORRAADDOO

COTTONWOOD CT COTTONWOOD CT

VIA LOS ARCOS VIA LOS ARCOS

AUGUSTA DR AUGUSTA DR

BBRROOOOKK RRDD
WW
OO

OODDSS DDRR

CHAPARRAL DR

BBUUTTTTEERRWWOOOODD AAVV

SSHHAADDOOWW HHIILLLLSS DDRR

LLIINNDDSSLLEEYYPPAARRKK DDRR
SSPPAA
NNIISS
HH
OOAA
KK
AAVV

PEPPERTREE CT

BENNETT AV

BALMORAL CT

AMIE CT

EVERGREEN LN

GGRROOVVEE

HHILILLL
DDRR

VIA DORADO

TAM O SHANTER DR TAM O SHANTER DR
780'
780'
770' 770'
760'
760'
750' 750'
740' 740'
730' 730'
720' 720'
710' 710'
700'
700'
690'
690'
710'
710'
690'
690'
740' 740'
730'
730'
750'
750'
740'
740'
730'
730'
720' 720'
760' 760'
750' 750'
760' 760'
750' 750'
730' 730'
720'
720'
720' 720'
710' 710'
710' 710'
700' 700'
710' 710'
700'
700'
710' 710'
700'
700'
700'
700'
690'
690'
680' 680'
670'
670'
680'
760'
760'
760'
760'
750'
740' 740'
730'
730'
710' 710'
700'
690' 690'
690'
690'
690'
690'
680' 680'
680'
740' 740'
690' 690'
690'
690'
CLEN10287
OTLT10030
CBIN10403
CBIN10404
CBIN10409
CBIN10410
CBIN10411
CBIN10422
CBIN10423
CLEN10297
INLT10152
OTLT10033
INLT10153
CBIN10515
CBIN10516
OTLT10050
INLT10216
OTLT10051
INLT10220
CBIN10521
CBIN10522
CBIN10523
CBIN10524
CLEN10360
OTHR10283
OTHR10284
OTHR10291
OTLT10056
OTHR10342
OTHR10361
OTHR10424
OTHR10425
OTHR10439
OTHR10440
OTHR10553
OTHR10554
OTHR10555
OTHR10556
OTHR10557
OTHR11717
OTHR11718
OTHR11719

SAN MARCOS SAN MARCOS
S.D. COUNTY S.D. COUNTY
PIPE11358
CHAN10045
PIPE10935
PIPE11138
DTCH10205
PIPE11149
DTCH10210
PIPE11152
PIPE11344
CULV10064
PIPE10687
PIPE11340
PIPE10933
CHAN10036
CHAN10034
PIPE10938
PIPE10691
PIPE10939
CULV10259
DTCH10233
DTCH10206
DTCH10207
DTCH10208
DTCH10209
PIPE10934
PIPE10929
PIPE11139
CULV10104
PIPE10792
CULV10060
PIPE11368
CHAN10035
CHAN10046
CULV10053
CULV10105
CULV10258
PIPE11369
FLOW10012
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 123 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 137
SEE SHEET 109
SEE SHEET 122SEE SHEET 124

RROOCCKK SSPPRRIINNGGSS RRDD

NNOORRDDAAHHLL RRDD
UNNAMED 9F ST UNNAMED 9F ST

AANNTTHHOONNYY HHEEIIGGHHTTSSDDRR

RRAACCHHEELL CCRR

REES RD REES RD

LLIINNDDSSLLEEYYPPAARRKK DDRR

EAGLE ROCK DR EAGLE ROCK DR

VIA PALOMA

GRACE WY GRACE WY
UNNAMED 9F ST

TTIITTAANN CCTT

JACKSON PL JACKSON PL

SSAAYYLLEE SS CC
TT

FFRRIIEENNDDSSHHIIPP LLNN

PPRRIIVVAATTEE RRDD

HIGHLAND HEIGHTS LN HIGHLAND HEIGHTS LN

ANKA LN

PHEASANT HILL

LLEEAAFFLLNN

PRIVATE RD PRIVATE RD

AANNTT HH

OONN YY

HHEEIIGG
HHTTSS
DD
RR

VIDAS CR VIDAS CR
810' 810'
790' 790'
800' 800'
770' 770'
760' 760'
740' 740'
750' 750'
730' 730'
780' 780'
720'
720'
800'
800'
790'
790'
780'
780'
770' 770'
760' 760'
750'
750'
740'
740'
730' 730'
720'
720'
800' 800'
780' 780'
770'
770'
750' 750'
790' 790'
760'
760'
790'
790'
780' 780'
770' 770'
760' 760'
750' 750'
740' 740'
730' 730'
720' 720'
710' 710'
720' 720'
710'
740' 740'
730'
730'
800' 800'
790' 790'
710'
720' 720'
710'
720' 720'
710' 710'
710' 710'
700'
700'
710'
700'
700' 700'
690'
690'
820' 820'
700'
710' 710'
740'
740'
720' 720'
790'
790'
790'
790'
750'
740' 740'
740'
740'
740'
740'
730'
710'
710'
690'
750'
750'
INLT10149
OTLT10027
CBIN10397
INLT10225
OTHR10289
OTHR10290
OTHR10291
OTLT10056
OTHR10292
OTHR10321
OTHR10362
OTHR10471
OTHR10472
OTHR10473
OTHR10474
OTHR10588
OTHR10589
OTHR10590
OTHR10591
OTHR10592
OTHR11699
OTHR11720

SAN MARCOS SAN MARCOS
S.D. COUNTY S.D. COUNTY
CULV10098
CHAN10071
CHAN10785
CHAN10069
PIPE10693
CHAN10151
CHAN10146
CULV10060
PIPE11346
PIPE10692
DTCH10233
PIPE14805
CULV10258
CHAN10076
CHAN10074
CHAN10075
CHAN10073
CHAN10072
CHAN10148
CHAN10149
CHAN10150
CHAN10147
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 124 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 138
SEE SHEET 110
SEE SHEET 123SEE SHEET 125

PPRRIIVVAATTEERRDD

PPRRIIVVAATTEE
RRDD

BBOORRDDEENN
RR DD

PPRR IIVVAATTEE DDYY

CCAALLLLEE

CCAABBRRIILLLLOO

SSEEVVEENNOOAAKKEESS RRDD

EELL CCAAMMDDEELLOOSSFFLLOO

WW EELL NNOORRTTEE PPYY

PRIVATE RD PRIVATE RD

SSIIEERRRR AA DDRR

PPLLAAYYAA
DDEELL
SSOOLL

NORDAHL RD NORDAHL RD
LLAA

VVIISSTTAA

PRIVATE RD PRIVATE RD

TTOOBBAACCCCOORRDD

GGRRAACCEEWWYY

PPRRIIVVAATTEE
RRDD

BBOORRDDEENN
RRDD

LOMA VERDE

PPRRIIVVAATTEE
DDYY

VIA PALOMA
15 800'
790'
780'
770'
760'
750'
740'
740'
730'
730'
720' 720'
710' 710'
850' 850'
840' 840'
820'
810'
810'
800' 800'
790' 790'
780'
780'
770'
760' 760'
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'
770' 770'
760'
750'
740'
730'
730'
720' 720'
710'
810' 810'
800'
800'
790'
790'
760'
760'
750'
750'
810' 810'
800'
800'
760'
760'
750' 750'
700'
690'
800'
800'
790' 790'
730' 730'
720' 720'
810'
700'
700'
830' 830'
790' 790'
770' 770'
820'
790'
790'
770' 770'
760' 760'
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 125 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 139
SEE SHEET 111
SEE SHEET 124
LLAA

MMIIRRAADDAA
DDRR

COMMERCE WY COMMERCE WY

DDOOGGWWOOOODDWWYY

PROGRESS ST

PROGRESS ST PROGRESS ST

ASH ST ASH ST

POINSETTIA AV POINSETTIA AV

PPIIOONNEEEERR AAVV
540' 540'
530' 530'
520' 520'
510' 510'
560' 560'
550' 550'
580' 580'
570' 570'
610' 610'
580' 580'
570' 570'
600' 600'
590'
560' 560'
550' 550'
560' 560' 550' 550' 540' 540'
540' 540'
530' 530'
520' 520'
590' 590'
580' 580'
540' 540' 530' 530'
580' 580'
570' 570'
560' 560'
550' 550'
500' 500'
570' 570'
550' 550'
530' 530'
580' 580'
580' 580'
560' 560'
550' 550'
550' 550'
550' 550'
540' 540'
540'
540' 540'
540'
520' 520'
580' 580'
580'
580'
580' 580'
580' 580'
570' 570'
570' 570'
OTHR11646
OTHR11647

SAN MARCOS SAN MARCOS

VISTA VISTA
DTCH10466DTCH10465
OTLT10358
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 126 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 112
SEE SHEET 127

DESCANSO AV

LAS FLORES DR LAS FLORES DR

PPOONNTTEEAAVV

DECORA CR

POINSETTIA AV POINSETTIA AV

PONTE AV PONTE AV

GRAND AV

SYLVIS WY SYLVIS WY

MMOOOONNCCRREESSTT CCTT

PALM CREST TR

LLAA MMIIRRAADDAA DDRR

VIRGINIA PL VIRGINIA PL
680' 680'
670' 670'
650'
650'
640'640'
630'
630'
660' 660'
620' 620'
570'
570'
560' 560'
700' 700'
690' 690'
540'
540'
550'
550'
590'
590'
580'
580'
680'
680'
670' 670'
660' 660'
650' 650'
640' 640'
630' 630'
660' 660'
650' 650'
640'
640'
630' 630'
620'
620'
610'
610'
650' 650'
640'
640'
630'
630'
620' 620'
610'
610'
600'
600'
630' 630'
620' 620'
590' 590'
580'
580'
590'
590'
580'
580'
680'
680'
670' 670'
670' 670'
660' 660'
660'
650'
620'
620'
610' 610'
610' 610'
600'
610'
610'
600'
600'
600'
600'
590' 590'
600'
600'
590' 590'
570'
570'
560' 560'
670'
670'
660' 660'
610' 610'
600'
600'
600' 600'
610' 610'
610' 610'
620'
620' 580' 580'
670'
670'
660'
660'
650' 650'
620' 620'
CBIN10900
INLT10355
SEPR10010
INLT10356
CBIN10901
CBIN10902
INLT10357
CBIN10921
INLT10368
INLT10369
OTLT10109
OTHR10763
OTHR10764
OTHR10765
CBIN11819 INLT10896
INLT10904
OTLT10247
OTLT10249
INLT10914
INLT10915
OTHR11519
INLT10917
INLT10918
CLEN11529
CLEN11530
INLT10921 OTLT10261 INLT10922
OTHR11520
INLT10924
INLT10946
OTHR11627
OTHR11628
OTHR11629
OTHR11644
OTHR11645

SAN MARCOS SAN MARCOS

VISTA VISTA
PIPE14672
PIPE14680
PIPE11992
PIPE11993
PIPE11922
DTCH10459
DTCH10462
PIPE14668
PIPE14677
CHAN10246
CHAN10722
DTCH10464 DTCH10463
DTCH10460
PIPE11917
PIPE11918
PIPE14675
PIPE14674
CHAN10249
PIPE11921
PIPE14641
CHAN10721
CHAN10720
CHAN10248
CHAN10247
PIPE14670
PIPE14671
FLOW10080
PIPE11920
PIPE11989
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 127 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 140
SEE SHEET 113
SEE SHEET 126SEE SHEET 128
SS

RRAANNCCHHOO

SSAANNTTAA
FFEE
RRDD

DESCANSO AV
ALLEY

N RANCHO SANTA FE RD N RANCHO SANTA FE RD

KENSINGTON DR KENSINGTON DR
09TH ST

PRIVATE RD

PRIVATE RD PRIVATE RD

PPRRIVIVAATTEERRDD

PRIVATE RD PRIVATE RD

NAVAJO ST NAVAJO ST

PRIVATE RD

PPOONNTTEE AAVV

SEMINOLE ST

PPRRIIVVAATTEE RRDD

PPRRIIVVAATTEERRDD

PAWNEE ST PAWNEE ST

LAS FLORES DR LAS FLORES DR

PPOONNTTEEAAVV

GRAND AV

LAS FLORES DR LAS FLORES DR

CARLO ST CARLO ST

DECORA CR
ALLEY
ALLEY

OSAGE ST
78 650'
650'
640'
640'
630'
630'
600'
600'
590'
590'
680'
680'
670'
670'
620'
620'
610' 610'
580'
580'
570'
570'
680' 680'
660' 660'
640'
640'
630'
630'
610' 610'
600' 600'
590' 590'
580' 580'
650'
650'
630'
630'
600'
600'
590'
590'
610' 610'
570' 570'
680'
680'
670' 670'
660' 660'
660'
660'
650'
650'
630'
630'
620'
620'
620'
620'
610'
610'
600'
600'
590'
590'
650' 650'
640'
640'
570'
570'
560'
560'
610'
610'
600' 600'
620'
620'
650'
650'
640' 640'
650'
650'
580'
580'
680'
680'
650'
650'
590'
590'
580' 580'
580'
580' 580'
570'
570'
590'
590'
580' 580'
580' 580'
570' 570'
560'
560'
CLEN10516
CBIN10823
CBIN10833
CBIN10921
OTLT10100
CBIN10949
CLEN10583
CBIN10950
CLEN10584
CBIN10951
CBIN10952
CLEN10585
CBIN10953
CBIN10954
CBIN10955
CLEN10586
CBIN10956
CLEN10587
CBIN10957
CLEN10624

SAN MARCOS SAN MARCOS
PIPE11973
PIPE11657
PIPE11976
PIPE11980
PIPE11981
PIPE11982
PIPE11656
PIPE11984
PIPE12126
PIPE11983
PIPE11974
PIPE11977
PIPE11985
FLOW10020
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 128 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 141
SEE SHEET 114
SEE SHEET 127SEE SHEET 129

PRIVATE RD PRIVATE RD

PRIVATE RD

NAVAJO ST NAVAJO ST
NN
LLAASS

PPOOSSAASSRRDD

OOSSAAGGEE
SSTT

PRIVATE RD PRIVATE RD

PRIVATE RD

N PACIFIC ST N PACIFIC ST

CAPALINA RD

LOS VALLECITOS BL

PRIVATE RD

BALBOA ST BALBOA ST

PALM RD PALM RD

SEMINOLE ST

W MISSION RD

S PACIFIC ST S PACIFIC ST

ATLANTIC ST

AARRMMOORRLLIITTEEDDRR

DESCANSO AV
78 590'
590'
580'
580'
570' 570'
600'
600'
560'
560'
590'
590'
580'
580'
560'
560'
550'
550'
570'
570'
560'
560'
570'
570'
560' 560'
560'
550'
600'
600'
570' 570'
570' 570'
560'
560'
560'
560'
570'
570'
560'
560'
550'
550' 550'
560'
560'
560'
560'
560'
560'
CLEN10533
CBIN10861
CBIN10862
CBIN10864
CBIN10865
CLEN10534
CBIN10866
CLEN10535
CBIN10872
CBIN10882
OTHR10662
OTHR10663
CBIN10883
CBIN10884
OTHR10664
INLT10351
CLEN10536
CBIN10885
CLEN10537
CBIN10886
CBIN10887
CBIN10888
CBIN10889
CBIN10903
OTHR10688
INLT10417
INLT10418
CLEN10643
OTLT10120
OTHR10713
OTHR10714
OTHR10761
OTHR10794
OTHR10795
OTHR10796
OTHR10797
OTHR10798
OTHR10821
CBIN11016
CBIN11017
INLT10440
CBIN11018
OTHR10823
CBIN11019
INLT10441
CBIN11021
OTHR10824
OTHR10825
OTHR10828
INLT10442
OTLT10125
OTLT10126
OTHR10830
CBIN11023
OTHR10832
OTHR10833

SAN MARCOS SAN MARCOS
DTCH10260
PIPE11884
PIPE12310
PIPE12311
PIPE12208
PIPE12307
PIPE11896
PIPE11968
PIPE11853
PIPE11889
PIPE11894
PIPE11891
PIPE11892
CULV10176
DTCH10247
DTCH10245
PIPE11883
PIPE11857
CULV10177
CULV10172
PIPE11854
PIPE11858
PIPE12313
DTCH10267
DTCH10266
DTCH10268
DTCH10264
DTCH10246
DTCH10265
CULV10170
PIPE12210
PIPE11890
PIPE11886
DTCH10271
CULV10174
PIPE11861
DTCH10272
CULV10171
PIPE11860
PIPE11859
PIPE12206
PIPE11926
PIPE11888
CULV10175
PIPE12209
PIPE12205
PIPE12316
PIPE11887
DTCH10270
PIPE14835
PIPE11868
PIPE11885
PIPE12204
CULV10149
DTCH10277
PIPE11893
DTCH10275
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 129 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 142
SEE SHEET 115
SEE SHEET 128SEE SHEET 130

BINGHAM DR BINGHAM DR

PPRRIVIVAATTEERRDD

WW MMIISSSSIIOONN RRDD

PRIVATE RD

PALM RD PALM RD

GRANITE RD

ARMORLITE DR

TRANSIT CENTER

COMET CR COMET CR

CCOOMMEETTCCRR
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'
630'
630'
620' 620'
610' 610'
600'
600'
590' 590'
580'
570'
570'
660' 660'
650' 650'
640'
580'
580'
560'
560'
600' 600'
590'
700'
700'
690'
690'
590' 590'
580' 580'
590'
590'
580'
580'
580'
580'
570' 570'
670' 670'
600' 600'
600' 600'
590'
590'
590'
590'
580'
580'
580'
580'
570' 570' 570'
570'
560'
560'
560'
560'
570' 570'
570' 570'
570' 570'
570'
570'
570' 570'
560'
560'
OTLT10081
INLT10329
CBIN10854
CBIN10855
OTHR10644
CBIN10856
INLT10342
CBIN10857
CBIN10858 OTHR10645
CBIN10860
INLT10343
OTHR10646 CBIN10896
INLT10398
INLT10400
INLT10405
OTHR10705
OTHR10706
INLT10412
OTLT10116
INLT10413
INLT10415
OTLT10119
INLT10417
INLT10432
OTHR10771 OTHR10772
OTHR10791
OTHR10792
OTHR10803

SAN MARCOS SAN MARCOS
PIPE11851
PIPE11850
PIPE11781
CHAN10259
CHAN10261
PIPE12178
CHAN10260
CULV10161
CHAN10282
CHAN10287
PIPE12180
CULV10163
CULV10140
CULV10160
CULV10139
PIPE11910
PIPE12176
PIPE12247
CHAN10258
PIPE11852
CHAN10257
CHAN10281
PIPE11907
PIPE11860
PIPE12246
PIPE12205
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 130 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 143
SEE SHEET 116
SEE SHEET 129SEE SHEET 131

HENSON HEIGHTS DR

BARNAVILLE LN

RRIICCHHMMAARR AAVV

HENSON LN HENSON LN

KKIIRRKKWWAALLLL DDRR

RROOCCKKWWAALLLL
LLNN

W MISSION RD

PPRRIVIVAATTEERRDD

HHEELLMMSSDDAALLEERRDD

LLOOSS OOLLIVIVOOSSDDRR

ABERDEEN AV ABERDEEN AV

DUNDEE LN
840' 840'
830' 830'
810' 810'
800'
800'
790' 790'
750'
750'
740'
740'
730' 730'
720' 720'
710' 710'
690'
690'
680'
680'
670' 670'
660' 660'
650'
650'
640' 640'
630' 630'
620' 620'
850' 850'
820'
780' 780'
770'
760'
700'
700'
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'
650' 650'
640' 640'
630' 630'
620' 620'
610' 610'
600' 600'
590'
590'
750'
750'
730'
730'
720'
720'
680'
670'
670'
650'
650'
640' 640'
740'
740'
710' 710'
700'
700'
720' 720'
710' 710'
700'
700'
690' 690'
680'
670'
660'
690' 690'
680' 680'
670'
670'
660'
660'
650' 650'
640'
720' 720'
710' 710'
680' 680'
670' 670'
800'
800'
790' 790'
750'
750'
740' 740'
730' 730'
690'
690'
680'
680'
670'
670'
670'
670'
660' 660'
790'
790'
780' 780'
690'
690'
680' 680'
600'
590'
590'
580' 580'
570' 570'
610' 610'
670' 670'
660'
660'
660'
660'
730' 730'
730'
730'
810'
810'
670' 670'
660'
660'
680' 680'
690'
690'
680'
680'
860' 860'
790' 790'
720' 720'
690' 690' 690' 690'
690' 690'
690'
690'
690' 690'
590'
590'
570' 570'
CBIN10812
SEPR10008
CBIN10814
CBIN10815
CBIN10818
CLEN10510
CLEN10511
OTHR10642
INLT10333 CBIN10834
CBIN10835
CLEN10518
CBIN10836
CLEN10519
CLEN10520
CBIN10838
CBIN10839
CBIN10841
CBIN10842
CBIN10843
CBIN10844
CBIN10860
CLEN10559
INLT10374
INLT10375
CBIN10931
CBIN10932
CBIN10933
CBIN10936
CBIN10937
OTLT10107
CBIN10973
OTHR10705
OTHR10790
OTHR10791
OTHR10799
OTHR10800

SAN MARCOS SAN MARCOS
PIPE11815
PIPE12167
PIPE12013
CHAN10286
PIPE11812
PIPE11814
PIPE12023
PIPE11813
PIPE12160 PIPE11823
PIPE11817
PIPE12016
PIPE12015
PIPE12010
PIPE12169
PIPE11788
PIPE11852
CHAN10281
PIPE11789
PIPE11821
CULV10141
PIPE12059
PIPE12155
PIPE12244
CHAN10279
PIPE12022
PIPE12012
PIPE11820
PIPE12011
PIPE11818
CHAN10284
CHAN10285
CHAN10280
PIPE12168
PIPE11819
PIPE12020
PIPE12014
PIPE11783
PIPE11809
PIPE11810
PIPE11811
PIPE12245
PIPE12249
PIPE11816
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 131 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 144
SEE SHEET 117
SEE SHEET 130SEE SHEET 132

CCAANNOOPPYY DDRR

PPAALLOOAALLTTOOCCTT

CHRISTEN WY CHRISTEN WY

N TWIN OAKS VALLEY RD N TWIN OAKS VALLEY RD

BELMONT CT

CARLANN DR CARLANN DR

PPEETTUUNNIAIA
CCTT

MARCOS ST

BUSH LN

GLENDALE AV GLENDALE AV

BARNAVILLE LN

FIREBIRD LN FIREBIRD LN

CCAARRRRIEIE CCRR

FITZPATRICK RD FITZPATRICK RD

AALLLLIISSOONNLLNN

CCHHAARRLLOOTTTTEEDDRR

BOUQUET DR BOUQUET DR

SUNSHINE LN SUNSHINE LN

PPLLUU MM EERR IIAA
DDRR

PPRRIIVVAATTEE RRDD
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'
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'
760'
760'
750'
750'
740'
740'
730' 730'
720'
720'
710' 710'
740'
740'
730' 730'
720' 720'
710' 710'
700' 700'
760'
760'
750'
750'
740'
740'
760'
760'
750'
750'
740'
740'
730'
730'
740' 740'
730'
730'
720'
720'
630' 630'
620'
620'
610'
610'
600'
600'
610' 610'
600' 600'
780'
780'
770' 770'
610'
610'
600'
600'
600'
600'
590'
590'
610'
610'
770'
770'
770' 770'
610'
750'
750'
690' 690'
690'
690'
670'
670'
640' 640'
600' 600'
CLEN10061
CLEN10069 CLEN10070
CBIN10122
CBIN10123
INLT10035
CLEN10072
INLT10036
CLEN10073
CBIN10125
INLT10037
CBIN10126
INLT10038
CBIN10127
INLT10039
CBIN10128
CBIN10129
INLT10080
INLT10101
CBIN10293
INLT10328
CBIN10816
CBIN10817
OTHR10684

SAN MARCOS SAN MARCOS
PIPE10269
PIPE10262
PIPE10270
PIPE11786
PIPE10267
PIPE10146
CULV10026
PIPE11785
PIPE10265
PIPE10256
PIPE10261
PIPE10260
PIPE10266
PIPE10263
PIPE10257
PIPE11789
PIPE11787
PIPE10264
PIPE10259
CULV10006
PIPE10282
CULV10025
PIPE10254
PIPE10255
PIPE10268
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 132 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 145
SEE SHEET 118
SEE SHEET 131SEE SHEET 133

NN TTWWININOOAAKKSSVVAALLLLEEYY RRDD

WOODWARD ST WOODWARD ST

VINEYARD RD VINEYARD RD

WIL-EV DR WIL-EV DR

CEDAR ST CEDAR ST

WINTERS CT WINTERS CT

ZILLIOX LN

AUBURN AV

SYRAH LN

VINEYARD CT

JOSHUA AV

PLACER AV

VINEYARD CT VINEYARD CT

BBOORRDDEENN RRDD

GARDNER WY GARDNER WY

PEDESTRIAN / BIKEWAY

BORDEN RD BORDEN RD

SIRGINSON ST

CEDAR ST

VVIINNEEYYAARRDD RRDD

RROOLLLLII
NNGG

HHIILLLLSS
LLNN

SIRGINSON WY SIRGINSON WY

BARNETT DR

VINEYARD RD VINEYARD RD

HEMPHILL DR

COMSTOCK AV

RROOLLLLIINNGG HHIILLLLSS LLNN

RROOLLLL IINNGG HHILILLLSS
LLNN
710'
710'
700'
700'
690'
690'
680' 680'
670'
670'
660'
660'
650' 650'
640' 640'
630' 630'
620'
610'
720' 720'
690' 690'
680' 680'
670'
670'
660' 660'
650'
650'
640' 640'
630'
630'
620'
620'
610'
720'
720'
710' 710'
700'
700'
690'
690'
680' 680'
670'
670'
660'
660'
650'
650'
640' 640'
630' 630'
700'
700'
690'
690'
680'
680'
670'
670'
660'
660'
650' 650'
640' 640'
680' 680'
670'
670'
660' 660'
650'
650'
630' 630'
620'
620'
670' 670'
660' 660'
650' 650'
640'
640'
610'
610'
600' 600'
600' 600'
590'
590'
590' 590'
580'
580'
600' 600'
590' 590'
710' 710'
700' 700'
720' 720'
700' 700'
640' 640'
620' 620'
620'
620'
600' 600'
580' 580'
580' 580'
630'
630'
600'
600'
590'
590'
590'
590'
CBIN10110
CLEN10059
CBIN10111 OTHR10022
CLEN10060
CBIN10112
CLEN10081
CBIN10140
OTHR10035
INLT10045
CLEN10083
OTLT10003 INLT10047
CBIN10148
CLEN10105
CLEN10106
CBIN10163
OTHR10046
OTHR10047
OTHR10048
CLEN10107
CBIN10164
OTHR10049
CLEN10108
CBIN10165
OTHR10050 OTHR10053
CBIN10167
OTHR10055
INLT10051 CBIN10169
CBIN10170
CBIN10171
CBIN10172
CBIN10173
CBIN10174
CBIN10175
CBIN10176
CBIN10177
CBIN10191
OTHR10075
CBIN10259
INLT10101
INLT10105
OTHR10093
CLEN10174
INLT10235

SAN MARCOS SAN MARCOS
PIPE10340
PIPE10342
PIPE10334
PIPE10347
PIPE10352
PIPE10349
PIPE10353
CULV10019
PIPE10588
PIPE10344
PIPE10244
PIPE10496
PIPE10287
PIPE10146
PIPE10288
CULV10026
PIPE10487
PIPE10388
CULV10024
PIPE10493
PIPE10151
PIPE10629
PIPE10285
PIPE10382
PIPE10283
PIPE10494
PIPE10242
PIPE10497
PIPE10341
PIPE10332
PIPE10012
PIPE10350
PIPE10351
PIPE10343
PIPE10348
PIPE10290
PIPE10338
PIPE10527
PIPE10346
CULV10034
PIPE10336
PIPE10289
PIPE10335
PIPE10331
OTLT10288
OTLT10289
OTLT10290
OTLT10291
OTLT10292
OTLT10294
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 133 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 146
SEE SHEET 119
SEE SHEET 132SEE SHEET 134

BORDEN RD BORDEN RD

PRIVATE DY PRIVATE DY

PPRRIIVVAATTEE DDYY

PRIVATE RD

MULBERRY DR MULBERRY DR

MISSION GROVE RD MISSION GROVE RD

LAGUNA DR LAGUNA DR

VALENTINE RD VALENTINE RD

PROSPERITY DR PROSPERITY DR

PENELOPE DR PENELOPE DR

MISSION HILLS CT

MISSION HILLS CT
PPRRII

VVAATTEEDDYY

PRIVATE DY PRIVATE DY

PPRRIIVVAATTEE DDYY

PPRR IIVVAATTEE DDYY

PRADO VERDE PRADO VERDE

PRIVATE DY PRIVATE DY

MONTEREY CR MONTEREY CR

BANJO CT BANJO CT

PRIVATE DY PRIVATE DY

PPRRIVIVAATTEEDDYY

MOONLIGHT DR MOONLIGHT DR

BORDEN CR BORDEN CR

PPRRIIVVAATTEE DDYY

PRIVATE DY PRIVATE DY
700' 700'
680' 680'
690' 690'
670' 670'
640'
650'
650'
640'
630'
630'
710' 710'
660' 660'
710' 710'
700' 700'
690' 690'
680' 680'
670' 670'
660' 660'
650' 650'
640' 640'
630'
630'
700' 700'
690' 690'
680'
680'
670' 670'
660' 660'
640' 640'
630' 630'
700'
700'
680'
680'
670'
670'
660'
660'
710' 710'
690'
690'
710' 710'
700'
700'
690'
690'
680' 680'
700'
700'
690' 690'
680'
680'
670'
670'
660' 660'
650'
650'
640' 640'
630' 630'
620' 620'
650' 650'
670'
670'
670'
670'
640' 640'
650'
650'
720' 720'
670' 670'
670'
670'
650' 650'
620'
610'
610'
610'
610'
610' 610'
670'
670'
660'
660'
640' 640'
CBIN10333 CLEN10237
CLEN10238
CBIN10335
OTHR10223
CBIN10364
CBIN10365
OTLT10021 OTLT10022
CLEN10261
CLEN10262
CBIN10366
CBIN10367
OTHR10225
CLEN10267 OTHR10226
CBIN10371
CLEN10273
CLEN10274
CBIN10372
CLEN10275
CBIN10373
CBIN10374
CBIN10375
CBIN10376
OTHR10228 CBIN10377
CBIN10378
OTHR10229
CLEN10276
INLT10147
CBIN10398
CBIN10399
CBIN10400
CBIN10401
CBIN10402
CBIN10439
INLT10159
OTLT10037
INLT10270 INLT10271
CBIN10627 CBIN10629
OTLT10075 OTLT10074
INLT10277
CBIN10631
CLEN10417
OTHR11722
OTHR11723
INLT10951

SAN MARCOS SAN MARCOS
PIPE10888
PIPE10890
PIPE10873
PIPE10906
PIPE10899
PIPE11399
PIPE14820
PIPE11397
PIPE10905
FLOW10015
PIPE10868
PIPE10879
PIPE10884
PIPE10926
PIPE10822 CULV10052
PIPE11336
PIPE11381
PIPE10908
PIPE10955
PIPE10954
PIPE10877
PIPE10883
PIPE10896
PIPE10874
PIPE10882
PIPE10699
PIPE10871
PIPE10867
PIPE10700
PIPE10902
PIPE10885
PIPE11396
PIPE10907
CULV10133
PIPE10880
PIPE10863
PIPE10881
PIPE10900
CHAN10790
PIPE10895
PIPE10897
PIPE11496
PIPE11380
PIPE10887
PIPE10891
CHAN10794
CULV10112
CULV10134 CULV10110
PIPE11494
PIPE10886
PIPE11446
PIPE10889
CULV10111
PIPE11398
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 134 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 147
SEE SHEET 120
SEE SHEET 133SEE SHEET 135

PPRRIIVVAATTEEDDYY

PRIVATE DY

ANGUS CT ANGUS CT

GLENHEATHER DR

RICHLAND RD

CYNTHIA CT CYNTHIA CT

LARCHWOOD DR

CCAATTHHEERRININEEAAVV

ROCK SPRINGS RD ROCK SPRINGS RD

HILLGREEN WY HILLGREEN WY

RICHLAND RD RICHLAND RD

CAROL CT

MMEELLIINNDDAA AAVV

HAZEN DR HAZEN DR

FFUULLTTOONN RRDD

JULIE CT JULIE CT

BBEERRRRYYHHIILLLL DDRR

EELL IIZZAA BBEETTHH SS TT

PRIVATE DY PRIVATE DY

CHERYL LN

ZUZICH LN

LINDA LN LINDA LN

FELICIA LN FELICIA LN
750'
740'
730' 730'
720'
690'
690'
680' 680'
760'
760'
710' 710'
670' 670'
660'
660'
740'
740'
730'
730'
720'
720'
710'
710'
720' 720'
710'
710'
700'
700'
680' 680'
710' 710'
720' 720'
730' 730'
680'
680'
690' 690'
700'
700'
710' 710'
700'
700'
710'
700' 700'
690' 690'
700'
700'
690'
690'
680' 680'
730' 730'
720'
720'
710' 710'
700'
700'
690'
690'
700'
700'
690' 690'
680' 680'
700'
700'
690' 690'
690'
690'
670'
670'
710' 710'
700'
700'
700'
700'
690'
690'
680' 680'
670'
700' 700'
650' 650'
690'
690'
690' 690'
670' 670'
720'
720'
720'
720'
680'
680'
680' 680'
660'
660'
CLEN10263
INLT10143
CLEN10264
CLEN10265
CLEN10266
OTHR10224
CLEN10286
INLT10155
CLEN10298
CBIN10543
INLT10232
OTHR10304
CLEN10389
CBIN10616
CBIN10617
INLT10272 INLT10273
CBIN10634
INLT10278
CLEN10418
CBIN10635
CLEN10419
CBIN10636
OTHR10381
CLEN10420 CLEN10421
CLEN10422
INLT10279
INLT10281
INLT10282

SAN MARCOS SAN MARCOS
PIPE11406
PIPE11383
PIPE11402
PIPE10780
PIPE11337
PIPE10912
PIPE11414
PIPE11413
PIPE11416
PIPE11411
PIPE11408
PIPE10911
PIPE10868 PIPE10910
PIPE11231
PIPE10781
PIPE10863
PIPE11404
PIPE11270
PIPE11415
PIPE10867
PIPE11417
PIPE10782
PIPE11409
PIPE11412
PIPE11403
PIPE11410
PIPE11488
OTLT10335
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 135 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 148
SEE SHEET 121
SEE SHEET 134SEE SHEET 136

WOODLAND PY WOODLAND PY

ROCK SPRINGS RD ROCK SPRINGS RD

PPRRIIVVAATTEE DDYY

PRIVATE DY PRIVATE DY

WWOOOODDSSDDRR

BOUGHER RD BOUGHER RD

SHADOW HILLS DR SHADOW HILLS DR

LLAANNCCEERR PPAARRKK AAVV

CHISHOLM TL CHISHOLM TL

LYNWOOD LN LYNWOOD LN

ANGUS CT ANGUS CT

HANNIGANS WY

PPRRIIVVAATTEEDDYY

PRIVATE DY

SCARLET PL SCARLET PL

MMAANNGGOO CCTT
PPRRII

VVAATTEE RRDD

HHAAZZEENN DDRR

STARLING WY STARLING WY

HHAASSTTININGGSS CCTT
BBEERR

RRYYHHIILLLL DD
RR

HHAARRWWIICCHH DD RR

PRIVATE DY PRIVATE DY

ORLANDO ST ORLANDO ST

PRIVATE DY PRIVATE DY

MCCLELLAND ST MCCLELLAND ST

ADVENTURE LN ADVENTURE LN

PRIVATE DY PRIVATE DY

PRIVATE DY PRIVATE DY
720'
720'
710'
710'
700'
700'
680' 680'
670' 670'
660'
660'
730' 730'
690'
690'
700' 700'
690'
690'
680' 680'
670' 670'
660'
660'
710'
710'
700' 700'
690'
690'
680' 680'
670'
670'
700'
700'
690'
690'
680'
680'
710'
710'
700'
700'
690'
690'
690' 690'
680' 680'
670'
650'
720'
720'
710'
710'
680' 680'
670' 670'
680' 680'
670'
670'
670' 670'
660'
660'
670' 670'
680' 680'
700' 700' 710' 710'
700'
700'
670'
670'
670'
670'
650'
650'
730' 730'
720' 720'
700'
700'
680'
680'
670' 670'
670' 670'
650'
650'
670'
670'
670' 670'
670' 670'
CLEN10289
CBIN10392
CBIN10393
CBIN10414
CBIN10415
CBIN10416 CBIN10417
CBIN10418
OTLT10031
OTHR10233
CBIN10433
INLT10174
INLT10175
OTHR10246
CBIN10467
CBIN10468
OTHR10247
CBIN10469
OTHR10248
CBIN10473
OTHR10252 OTHR10251
OTHR10253
INLT10178
CBIN10517
OTHR10274
INLT10217
OTHR10276
INLT10218
OTHR10277
INLT10224
OTLT10053
CBIN10525
CBIN10526
CLEN10362 CLEN10363 CLEN10364
CBIN10531
OTHR10293
CBIN10532
CLEN10365
CLEN10367
OTHR10294
CBIN10535
CBIN10562
OTHR10303
CLEN10390
CBIN10614
OTHR10358
CBIN10637
CBIN10639
CBIN10640
INLT10283
CBIN10641
OTHR10383
CBIN10647
OTHR10390
OTHR10391
OTHR10546 OTHR10547
OTHR10548 OTHR10549
OTHR10550 OTHR10551
OTHR10626

SAN MARCOS SAN MARCOS
PIPE11278
CULV10050
PIPE11140
PIPE11009
PIPE11164
CULV10076
PIPE11350
PIPE11143
PIPE11423
PIPE10923
PIPE11007
CULV10062
PIPE10683
PIPE11455
PIPE11225
PIPE11434
PIPE11008
DTCH10168
PIPE11426 PIPE11429
PIPE11017
PIPE10924
CULV10065
PIPE11166
PIPE11163 PIPE11162
CHAN10044
PIPE11189
PIPE11006
PIPE10684
CHAN10043
CHAN10190
PIPE11165
PIPE11417
PIPE11188
CULV10057
CULV10066
CULV10117
PIPE10685
CULV10131
PIPE11367
PIPE10686
CHAN10121 CHAN10119
CHAN10120
CHAN10124 CHAN10123 CHAN10122
PIPE11424
PIPE11274
CULV10132
PIPE11433
PIPE11161
PIPE11187
PIPE11418
PIPE11430
PIPE11428
PIPE11427
FLOW10011
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 136 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 149
SEE SHEET 122
SEE SHEET 135SEE SHEET 137

LOTUS GLEN

MMYYCCOORRTTEE DD

BENNETT AV BENNETT AV
RR

ROCK SPRINGS RD ROCK SPRINGS RD

WISTERIA GLEN WISTERIA GLEN

CHISHOLM TL CHISHOLM TL

OAKS CT

TOYON GLEN

EELLSSEERR LLNN

PPRRIIVVAATTEE
RRDD

ASTORGA PL ASTORGA PL

GUAVA GLEN

DOUGLAS AV DOUGLAS AV

MATTHEW LN MATTHEW LN

W EL NORTE PY

HHIILLCCOORRTTEEDDRR

INDIAN SUMMER RD INDIAN SUMMER RD

KKRRYYSSTTAALL PPLL

KIWI GLEN

ROCK SPRINGS HOLLOW ROCK SPRINGS HOLLOW

INDIAN SUMMER PL INDIAN SUMMER PL

IINNDDIIAANN SSUUMMMMEERR CCTT

WWOOOODDSS DDRR

QUIET HILLS DR QUIET HILLS DR

SSHHAADDOOWW HHI

ILLLLSS DDRR

LOTUS GLEN LOTUS GLEN

BITTERROOT CT BITTERROOT CT

DESERT GLEN DESERT GLEN

CCAASSAA RREEAALL LLNN

BUTTERFIELD LN BUTTERFIELD LN
740' 740'
730' 730'
700' 700'
690' 690'
680' 680'
720' 720'
710' 710'
740' 740'
730' 730'
720' 720'
710' 710'
700' 700'
690' 690'
680'
680'
670' 670'
750'
750'
730' 730'
700'
700'
720'
720'
710'
710'
700' 700'
720'
720'
710'
710'
680' 680'
670' 670'
730'
730'
720'
720'
710' 710'
700'
700'
740'
740'
690'
690'
750' 750'
720' 720'
720' 720'
720'
720'
720' 720'
710'
710'
700' 700'
680' 680'
OTLT10025
CBIN10382
INLT10151
CBIN10387
OTLT10028
CBIN10412
CBIN10426
INLT10154
OTLT10035 INLT10156
OTLT10036
CLEN10300
CLEN10301
CLEN10302
CLEN10303
OTLT10052
CBIN10519 CBIN10520
INLT10222
INLT10223
INLT10224
CBIN10525 CBIN10527
CBIN10611
OTHR10341
OTHR10359
OTHR10360
OTHR10371
OTHR10401 OTHR10420 OTHR10421 OTHR10441
OTHR10533
OTHR10534 OTHR10595 OTHR10596
OTHR10598

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

ESCONDIDO ESCONDIDO
CULV10103
PIPE11439
CULV10062
DTCH10195
CULV10054
CHAN10028
CHAN10031 CHAN10155
CHAN10158
PIPE11464
CHAN10152 CHAN10154
PIPE11347
PIPE10921
PIPE10688
CULV10077
PIPE11369
CULV10258
DTCH10196
PIPE10682 PIPE10925
CHAN10029 CHAN10030 PIPE11345
CHAN10153
CHAN10157 CHAN10156
CULV10105
CULV10106
PIPE10944
PIPE10943 PIPE11495
FLOW10011
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 137 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 150
SEE SHEET 123
SEE SHEET 136SEE SHEET 138

W EL NORTE PY

PPRRIIVVAATTEE
DDYY

SUNSET HEIGHTS RD SUNSET HEIGHTS RD

LOTUS GLEN LOTUS GLEN

MMCCLLEEEESS CCTT

PRIVATE DY PRIVATE DY

PPRRIIVVAATTEEDDYY

PRIVATE DY

DESERT GLEN DESERT GLEN
EELL

RROOSSAALL
PPLL

EL CALOR LN
LLAA

MMAANNZZAANNAA
LLNN

LAS PALMAS LN LAS PALMAS LN

CCOORRTTEEZZ AAVV

PRIVATE DY PRIVATE DY

EL CIELO LN

REES RD REES RD

ELSER LN

SYBIL CT SYBIL CT

TITAN CT TITAN CT
VVIIAA

VVIIDDAA

NNUUEEVVAA

EELLAAIRIREEPPLL

LLEELLAANNDDWWYY

PRIVATE RD PRIVATE RD

SARAHFAYE CT SARAHFAYE CT
DDAA
GGAAMM
AA
CCTT

RACHEL CR RACHEL CR

AALLMMAAGGRROO LLNN

SUSAN CT

RACHEL CR RACHEL CR

MCLANE LN MCLANE LN
800'
800'
790'
790'
780' 780'
770'
770'
760'
760'
740'
740'
730' 730'
720'
720'
790' 790'
800'
800'
770'
780' 780'
770'
760' 760'
750' 750'
740' 740'
730'
720'
760' 760'
750' 750'
740' 740'
730' 730'
720'
720'
710' 710'
730'
730'
720'
720'
710'
710'
700'
700'
690' 690'
770'
770'
760' 760'
730'
730'
720' 720'
710'
710'
700'
700'
780' 780'
770' 770'
760'
760'
800' 800'
790' 790'
750'
750'
740' 740'
740'
730'
730'
720'
710'
710'
700' 700'
710'
700'
700'
750'
750'
750' 750'
780'
780'
760'
760' 760'
710' 710'
700'
760'
740'
740' 740' 740'
740' 740'
730' 730'
720'
720'
710'
710'
OTHR11699
OTHR11700
OTHR11701
OTHR11702
OTHR11703
OTHR11704
OTHR11705
OTHR11706
OTHR11707
OTHR11708
OTHR11710
OTHR11711
OTHR11712
OTHR11713
OTHR11714
OTHR11715 OTHR11716
OTHR11720
S.D. COUNTY S.D. COUNTY

ESCONDIDO ESCONDIDO
PIPE14812
PIPE14816
PIPE14819
PIPE14804
CULV10258
PIPE14817
PIPE14811
PIPE14808
PIPE14810
PIPE14813
PIPE14805
PIPE14818
PIPE14807
PIPE14803
PIPE14814
PIPE14806
PIPE14809
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 138 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 151
SEE SHEET 124
SEE SHEET 137SEE SHEET 139

BORDEN RD

NN NNUUTTMMEEGG SSTT

WW EELL NNOORRTTEE PPYY

BBOOUURRBBOONN RRDD

PRIVATE RD PRIVATE RD

SKYHILL PL SKYHILL PL

LOMA LN LOMA LN

GREENVIEW RD GREENVIEW RD

LODI GLEN LODI GLEN

YYUUMMAA GGLLEENN

TOBACCO RD

PPRR VIVI AATTEE RRDD

NORDAHL RD NORDAHL RD

PPRRIIVVAATTEE
RRDD

RHEA GLEN

PALO GLEN

NOVA GLEN NOVA GLEN
SS

EEVVEENN

OOAAKKEESS
RRDD

EEAAGG LLEE

SSUUMMMMIITT PPLL

HHIILLOO

GGLLEENN

SECO GLEN

LYNX GLEN LYNX GLEN

PRIVATE RD PRIVATE RD

NUTMEG CR NUTMEG CR

PPRR VIIVAATTEERRDD

PRIVATE RD

PRIVATE RD PRIVATE RD

PRIVATE RD PRIVATE RD
15 800'
790' 790'
780'
780'
770'
760'
760'
750'
750'
740' 740'
730' 730'
720' 720'
810' 810'
800' 800'
790'
790'
780' 780'
770'
770'
760'
760'
750'
750'
730'
730'
790'
790'
770'
770'
780' 780'
760' 760'
750' 750'
740'
740'
720' 720'
730' 730'
790'
790'
780' 780'
770'
770'
800'
800'
750'
750'
780'
780'
770'
770'
760'
760'
750' 750'
760' 760'
750'
750'
740'
740'
740' 740'
730' 730'
720' 720'
710' 710'
770' 770'
760' 760'
760'
760'
750' 750'
750' 750'
740'
740'
740' 740'
730' 730'
750'
750'
740'
740'
740' 740'
730'
730'
730' 730'
720'
720'
730' 730'
720'
720'
720' 720'
710'
710'
810'
810'
760'
730' 730'
760'
750' 750'
740'
740'
770' 770'
740' 740'
730'
730'
720'
720'
720'
710' 710'
710' 710'
700'
700'
700'
760' 760'
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 139 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 152
SEE SHEET 125
SEE SHEET 138

POINSETTIA AV POINSETTIA AV

DESCANSO AV

OLEANDER AV

CCAAMMDDEENN DDRR

AVILAR CT AVILAR CT

PPAARRKKWWOOOODD AAVV

GRAND AV

HEATHERIDGE RD HEATHERIDGE RD

TTHHOORRNNTTRREEEE CCTT

PRIVATE RD

BBEELLLLWWOOOODD LLNN

WILDHORSE LN WILDHORSE LN

MARCOS VISTA LN MARCOS VISTA LN

MUSTANG WY
UNNAMED 8F ST UNNAMED 8F ST

SMILAX RD SMILAX RD

DESCANSO DESCANSO

ALAMITOS WY ALAMITOS WY

RROOAADDRRUUNNNNEERR RRDD
600' 600'
590' 590'
580' 580'
570'
570'
560'
560'
550'
550'
540'
540'
530' 530'
520'
520'
510' 510'
500' 500'
480'
480'
470'
470'
460' 460'
450' 450'
480'
480'
470' 470'
460' 460'
510'
510'
500'
500'
490'
490'
480' 480'
490'
490'
480' 480'
550' 550'
540'
540'
530'
530'
520' 520'
490'
480' 480'
590'
590'
580'
500'
500'
490'
490'
490'
490'
470'
470'
500'
500'
500'
500'
500' 500'
490' 490' 490'
490'
450' 450'
440'
440'
CLEN11375
CLEN11376
CLEN11377
CLEN11378
CLEN11379
INLT10802
CBIN11723
CBIN11815
INLT10888
OTLT10243
CBIN11816
CBIN11817
CLEN11504
INLT10890
INLT10894
INLT10895
CBIN11819
INLT10896
INLT10897
INLT10898
CBIN11820
CLEN11520
CLEN11521
CLEN11522
CBIN11846
OTLT10250
CLEN11524
INLT10923
CBIN11857
OTHR11526
CBIN11860
INLT10925
OTHR11563
OTHR11564
OTHR11565
OTHR11566
OTHR11567

SAN MARCOS SAN MARCOS

VISTA VISTA
S.D. COUNTY S.D. COUNTY
PIPE14584
PIPE14580
PIPE14436
PIPE14587
PIPE14686
PIPE14597
PIPE14595
PIPE14274
PIPE14683
PIPE14275
PIPE14681
PIPE14593
DTCH10444
DTCH10443
DTCH10447
DTCH10446
DTCH10445
DTCH10442
PIPE14276
PIPE14271
PIPE14598
PIPE14594
PIPE14277
PIPE14585
PIPE14586
PIPE14682
PIPE14272
PIPE14596
PIPE14687
PIPE14583
PIPE14645
FLOW10062
PIPE14581
PIPE14278
PIPE14646
OTLT10359
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 140 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 127
SEE SHEET 141

LAS FLORES DR LAS FLORES DR

LLAASSFFLLOORREESS
DDRR

PRIVATE RD PRIVATE RD

PPRRIIVVAATTEE RRDD
NN

RRAANNCCHHOO

SSAANNTTAA
FFEE
RRDD

OLEANDER AV

PRIVATE RD

PPRRIVIVAATTEE
RRDD

PRIVATE RD PRIVATE RD

PPRRIIVVAATTEE RRDD

BADILLO RD

BARRANCA RD

HOLLENBECK RD HOLLENBECK RD

HHOOLLLLEENNCCRREESSTT RRDD

HEATHERIDGE RD HEATHERIDGE RD

LABRADOR LN

CAPALINA RD

PRIVATE RD PRIVATE RD

MUSTANG WY

SS SSAANNTTAA
FFEE
AAVV

POLLEY DR

VIA PERLITA

PRIVATE RD

DDEE LLEE

OONNEE RRDD
78 610'
610'
600'
590'
580'
570'
560'
510'
510'
500'
490'
480'
480'
550' 550'
540'
540'
590'
590'
570'
570'
560'
560'
550'
550'
530' 530'
520'
520'
510'
510'
500'
500'
580'
580'
560' 560'
540' 540'
590' 590'
570'
580' 580'
570' 570'
560' 560'
520' 520'
510'
620' 620'
610'
610'
600' 600'
590' 590'
590'
590'
580'
580'
570'
570'
520'
510'
590'
590'
580' 580'
550'
550'
540' 540'
520' 520'
510' 510'
630'
630'
530'
530'
540'
540'
600'
600'
560'
530'
490'
490'
600'
600'
580'
570'
570'
570' 570'
530' 530'
520'
520'
520'
490'
490'
470' 470'
CBIN11805
INLT10876
CLEN11489
CBIN11809
CLEN11500
CLEN11520
OTHR11509
INLT10906
OTLT10252
INLT10907
OTLT10253
OTHR11510
OTHR11511
OTHR11517
CBIN11857
OTHR11525
OTHR11526
CBIN11858
CBIN11859
INLT10925
INLT10934
OTHR11558
OTHR11559
OTHR11560
OTHR11561
OTHR11562
OTHR11568

SAN MARCOS SAN MARCOS
PIPE14553
CHAN10647
PIPE14552
DTCH10486
PIPE14657
PIPE14683
PIPE14684
PIPE14543
PIPE14655
PIPE14545
PIPE14654
DTCH10447
PIPE14681
PIPE14560
CHAN10641
PIPE14547
PIPE14653
PIPE14538
CHAN10644
CHAN10646
CHAN10645
PIPE14688
PIPE14546
PIPE14802
PIPE14687
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 141 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 154
SEE SHEET 128
SEE SHEET 140SEE SHEET 142

CCOONNCCHHAA LLNN

NN RRAANNCCHHOO SSAANNTTAA FFEE RRDD

AVNDA AZUL

PALOMARCOS AV

W MISSION RD

PRIVATE RD

PALMAC ST PALMAC ST

POMMEL WY POMMEL WY

GRANITE RD

CTE CIELO CTE CIELO

AAVVNNDDAA

VVEERRDDEE

CTE BELLO CTE BELLO

CCTTEE DDUULLCCEE

HALTER PL

LLOOMMAA

AALLTTAA
DDRR

N PACIFIC ST N PACIFIC ST

SSAADDDDLLEEHHOORRNN DDRR

AAVVNNDDAA BBLLAANNCCOO

SSIILLVVEERR SSPPUURR WWYY

CURRY COMB DR
SS

SSAANNTTAA
FFEE
AAVV

N LAS POSAS RD N LAS POSAS RD

CAPALINA RD
690'
690'
670'
670'
660'
660'
640'
640'
630'
630'
620' 620'
610' 610'
710' 710'
700' 700'
680'
680'
600' 600'
590'
590'
580'
580'
690'
680'
670' 670'
660' 660'
650' 650'
640' 640'
630' 630'
620' 620'
610'
610'
600' 600'
590' 590'
580' 580'
640'
640'
630'
630'
620' 620'
610' 610'
600' 600'
590' 590'
640' 640'
630'
620'
610'
600'
600'
590'
590'
580'
580'
610'
610'
600'
600'
600'
600'
590' 590'
580'
580'
570'
570'
590' 590'
580'
580'
600' 600'
590' 590'
590'
580'
570'
570'
560'
560'
650' 650'
650'
650'
680' 680'
650' 650'
700' 700'
700' 700'
610'
610'
600'
600'
600' 600'
580' 580'
590' 590'
590'
590'
580'
580'
CLEN10461
CBIN10730
CBIN10731
CBIN10752
CLEN10476
CLEN10478
CBIN10760
CBIN10762
CLEN10479
CBIN10763
CBIN10764
CLEN10480
INLT10321
CBIN10863
CBIN10867 OTLT10090
CBIN10868
INLT10346
CBIN10870
CBIN10871
CBIN10872
INLT10347
CBIN10904
INLT10358
CLEN10630
OTLT10114
CBIN10978
CLEN10631
CBIN10979
CBIN10980
INLT10411
CBIN10985
CBIN10986
CLEN10641
CBIN10989
OTLT10120
CLEN10644
OTHR10793
OTHR10826
OTHR10827
OTHR10829
OTLT10128
OTHR10846
OTHR10847
OTHR10848
OTHR10849
CBIN11743
CLEN11413
CLEN11494
OTHR11499 OTHR11500
OTHR11501
CBIN11808
INLT10877
CLEN11498
INLT10878
CLEN11500 INLT10880
OTLT10244
INLT10899
OTLT10248
CBIN11855
OTLT10265

SAN MARCOS SAN MARCOS
DTCH10259
PIPE12214
PIPE11862
PIPE14561
PIPE11685
PIPE11691
PIPE14556
PIPE14559
PIPE11660
PIPE11772
PIPE11697
PIPE11849
PIPE14552
PIPE11658
PIPE14348
PIPE12174
PIPE14554
PIPE14678
PIPE11866
PIPE11659
PIPE12213
PIPE11687
PIPE11925
PIPE14548
PIPE11690
PIPE14545
CHAN10302
PIPE12210
PIPE11693
PIPE11856
PIPE11688
PIPE11868
CHAN10321
PIPE14347
PIPE11863
PIPE11682
PIPE14549
PIPE12198
PIPE12211
CHAN10316
PIPE11773 CULV10142
PIPE11689
PIPE12164
FLOW10059
CHAN10318
FLOW10058
CHAN10320
CHAN10317
CHAN10319
PIPE14551
PIPE12163
PIPE11867
PIPE11778
PIPE12212
FLOW10017
PIPE11774
PIPE12199
FLOW10018
FLOW10019
PIPE11926
CHAN10301
PIPE11775
PIPE12200
FLOW10093
PIPE14550
PIPE14547
PIPE14560
PIPE12248
DTCH10277
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 142 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 155
SEE SHEET 129
SEE SHEET 141SEE SHEET 143

AVNDA AGUILA AVNDA AGUILA

PRIVATE RD

PPAALLMMRRDD

CTE LADERA CTE LADERA

CTE DULCE CTE DULCE

GRANITE RD

CTE CIELO CTE CIELO

CCAALLLLEECCAAPPISISTTRRAANNOO

CTE BELLO CTE BELLO

AVNDA AZUL

CAMTO AMARILLO CAMTO AMARILLO

CCOOMMEETT CCRR

CCOOMMEETTCCRR

PPRRIIVVAATTEERRDD
750'
750'
740' 740'
710'
710'
700' 700'
690' 690'
680'
670'
660'
640'
640'
620'
620'
610'
600'
590'
580'
760'
760'
730' 730'
710'
710'
700'
700'
690'
690'
680'
680'
670' 670'
720' 720'
650' 650'
710'
710'
690'
680'
680'
670'
660'
660'
740'
740'
730' 730'
720' 720'
710'
710'
700'
690'
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'
640'
640'
630' 630'
620' 620'
610'
610'
720'
720'
700' 700'
770' 770'
760'
760'
750'
750'
720'
720'
710'
710'
700'
700'
640' 640'
650' 650'
770'
770'
760'
760' 760' 760'
750' 750'
740'
740'
680'
670'
670'
630'
630'
620' 620'
610'
610'
600'
600'
670'
670'
680'
680'
770' 770'
720' 720'
630' 630'
660'
660'
680'
680'
730' 730'
610' 610'
610'
610'
730' 730'
600'
600'
600'
600'
600'
580'
580'
INLT10318
CLEN10475
OTLT10080
CBIN10755
OTHR10674
CLEN10562
CBIN10940 CLEN10563
CLEN10564
CBIN10941
CBIN10942
CLEN10570

SAN MARCOS SAN MARCOS
PIPE12230
PIPE12025
PIPE12174
PIPE12060
PIPE12028
PIPE11695
FLOW10019
PIPE11696
PIPE11699 PIPE11700
PIPE12027
PIPE12026
PIPE11698
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 143 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 156
SEE SHEET 130
SEE SHEET 142SEE SHEET 144

GLENDALE WY GLENDALE WY

GGLLEENNDDAALLEEAAVV

W BORDEN RD W BORDEN RD

COMET CR COMET CR

TOYON TR TOYON TR
1120'
1120'
1110'
1100' 1100'
1090'
1090'
1080'
1070'
1060' 1060'
1050'
1040'
1030'
1020'
1010'
1000'
990'
980' 980'
960' 960'
950' 950'
940'
930' 930'
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'
760'
750'
740' 740'
900'
880'
870'
860'
850'
840'
830' 830'
820'
820'
810'
800'
790' 790'
780' 780'
770'
770'
760'
760'
750'
750'
730'
870' 870'
850'
860'
860'
840'
850'
840'
830' 830'
820' 820'
810' 810'
800' 800'
780'
770'
760'
760'
750' 750'
740' 740'
730' 730'
790' 790'
800'
800'
750' 750'
760' 760'
770'
770'
780'
780'
720'
720'
730' 730'
740' 740'
790' 790'
780' 780'
770'
770'
760' 760'
750' 750'
740' 740'
730' 730'
720' 720'
710'
710'
810' 810'
800'
800'
790'
790'
780'
780'
770'
770'
760'
760'
750' 750'
740' 740'
970' 970'
960'
960'
950'
950'
940'
940'
930'
930'
920' 920'
840' 840'
830' 830'
820'
820'
800'
790'
820'
820'
810' 810'
800'
800'
790' 790'
840' 840'
830'
830'
760' 760'
750' 750'
740'
740'
730' 730'
720' 720'
710'
710'
790' 790'
780' 780'
770'
760'
760'
830'
820'
820'
770' 770'
760' 760'
750' 750'
740'
740'
770'
770'
760'
760'
750' 750'
740'
730'
700'
700'
690' 690'
680' 680'
670'
670'
660'
660'
840'
830'
830'
820' 820'
820'
820'
810' 810'
800' 800'
790' 790'
780' 780'
730' 730'
720' 720'
840'
840'
830' 830'
790'
790'
770'
770'
750'
750'
740' 740'
720'
720'
710'
710'
890'
880'
810'
810'
800'
800'
720' 720'
710' 710'
720' 720'
710'
1130' 1130'
970'
970'
780' 780'
910' 910'
890' 890'
740'
730' 730'
870' 870'
840' 840'
800' 800'
760' 760'
700'
700'
780'
780'
760'
760'
750' 750'
760' 760'
CLEN10100
INLT10050
CLEN10101
CBIN10156
CLEN10521
INLT10335
INLT10336
CLEN10522
CLEN10523
INLT10337

SAN MARCOS SAN MARCOS
PIPE11824
PIPE11827
PIPE10326
PIPE11832
PIPE10325
PIPE11829
PIPE10327
PIPE11826
PIPE11828
OTLT10336
OTLT10337
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 144 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 157
SEE SHEET 131
SEE SHEET 143SEE SHEET 145

AZALEA CT AZALEA CT

W BBEELL EESSPPRRITIT CCRR

PPAALLOOAALLTTOO CCTT

LEGACY DR LEGACY DR

BATES VIEW CT

WINDY WY WINDY WY

NOTTINGHILL CT NOTTINGHILL CT

BBEELLEESSPPRRIITTCCRR

W BORDEN RD W BORDEN RD

CHESAPEAKE CT CHESAPEAKE CT

TOYON CT TOYON CT

TOYON TR TOYON TR

CHAMISE CT

GGLLEENN DDAALLEE AAVV

E BEL ESPRIT CR E BEL ESPRIT CR

WINDY POINT DR

WINDY POINT DR
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'
740'
740'
730' 730'
720'
720'
770' 770'
710'
710'
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'
630' 630'
620' 620'
680' 680'
670'
670'
670'
670'
660'
660'
650'
650'
640' 640'
630'
630'
670'
660'
660'
780' 780'
770'
770'
760' 760'
750' 750'
770'
770'
760'
760'
750'
750'
740'
740'
720'
720'
710'
710'
700'
700'
690'
690'
700' 700'
690' 690'
680' 680'
790'
790'
780'
780'
770' 770'
760' 760'
910' 910'
900' 900'
800' 800'
790'
790'
780'
780'
790'
790'
630' 630'
620' 620'
770'
770'
760'
760'
650'
650'
640'
640' 640' 640'
630' 630'
610'
610'
600'
600'
760'
760'
660' 660'
640' 640'
800'
800'
650'
790' 790'
770' 770'
760' 760'
710' 710'
690' 690'
680' 680'
650'
630'
620'
CBIN10006
CLEN10004
INLT10002
CLEN10005
CBIN10008
CBIN10009
CLEN10008
CLEN10009
CLEN10010
CLEN10011
CBIN10016 CBIN10017
OTHR10013
OTLT10002 CBIN10056
CBIN10057
CBIN10058 CLEN10036
CBIN10113
CLEN10062
CBIN10120
CLEN10063 CLEN10064
CLEN10065 INLT10033
CLEN10066
INLT10034
CLEN10067 CBIN10121
CLEN10068
CLEN10069 CLEN10070 CBIN10123
CBIN10149
CLEN10087
OTHR10045
CLEN10088
CBIN10151
CLEN10089
INLT10048
CLEN10090
CLEN10091
CLEN10092
CLEN10093
CBIN10152
CBIN10153
CLEN10094
CLEN10095
CBIN10154
CBIN10155
CLEN10096
CLEN10097
CLEN10098
CLEN10099
INLT10049
INLT10079
CLEN10165
CLEN10166
OTHR10086
OTLT10013
CBIN10265 CLEN10178
CLEN10180
CLEN10181
CBIN10267 CBIN10268
CLEN10183
CBIN10270
DETB10001
CBIN10294
CBIN10303
INLT10122

SAN MARCOS SAN MARCOS
PIPE10499
PIPE10309
PIPE10500
PIPE10612
PIPE10536
PIPE10386
PIPE10272
PIPE10040
PIPE10330
PIPE10043
PIPE10306
PIPE10128
PIPE10310
PIPE10280
PIPE10004
PIPE10275
PIPE10293
PIPE10294
FLOW10005
PIPE10014
PIPE10063
PIPE10146
PIPE10596
PIPE10279
PIPE10300
PIPE10041
PIPE10329
PIPE10604
PIPE10050
PIPE10565
PIPE10649
PIPE10143
PIPE10001
PIPE10292
PIPE10058
PIPE10126
PIPE10297
PIPE10598
PIPE10013
PIPE10045
PIPE10301
PIPE10594
PIPE10307
PIPE10042
PIPE10325
PIPE10324
PIPE10260
PIPE10563
PIPE10295
PIPE10602
PIPE10069
PIPE10273
PIPE10564
PIPE10299
PIPE10145
PIPE10308
PIPE10296
PIPE10274
PIPE10304
PIPE10254
PIPE10323
PIPE10277
PIPE10123
PIPE10281
PIPE10322
PIPE10302
PIPE10600
PIPE10328
PIPE10291
PIPE10595
PIPE10276
PIPE10601
PIPE10303
PIPE10271
PIPE10593
PIPE10282
PIPE10002
PIPE10278
FLOW10004
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 145 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 158
SEE SHEET 132
SEE SHEET 144SEE SHEET 146

SHIRLEY DR

WOODWARD ST WOODWARD ST

NN TTWW NINI OOAAKKSSVVAALLLLEEYYRRDD

VINEYARD RD VINEYARD RD

LAUREL DR LAUREL DR

SSPPRRUUCCEE DDRR

MANZANITA LN MANZANITA LN

POPLAR AV

KENTFIELD DR KENTFIELD DR

CEDAR ST

ASH LN ASH LN

CHESTNUT AV

HHOOLLZZAAPPPPLLEELLNN

OOAAKKTTRREEEELLNN

CCHHAARRDDOONNNNAAYY
CCTT

MAYBRITT CR MAYBRITT CR
NN

AALLDDAA
DDRR

MERLOT AV

CCHHEENNIINNWWYY

REDWOOD DR REDWOOD DR

BBOORRDDEENN RRDD

GGOOLLFFGGLLEENN DDRR

GRENACHE LN GRENACHE LN
720' 720'
710'
710'
700' 700'
690'
690'
680' 680'
670' 670'
650'
650'
640'
640'
620'
620'
610'
610'
680'
680'
670'670'
660' 660'
650' 650'
630' 630'
620'
620'
720' 720'
710'
710'
700'
700'
690'
690'
680'
680'
670'
670'
660'
660'
640'
640'
630' 630'
660'
660'
650'
650'
620'
620'
700'
700'
690' 690'
680'
680'
670' 670'
660' 660'
650'
650'
640' 640'
640' 640'
630' 630'
620' 620'
610'
610'
630' 630'
620' 620'
620' 620'
610' 610'
620' 620'
610'
610'
620' 620'
610' 610'
610'
610'
600'
600'
730'
730'
660'
660'
640' 640'
610' 610'
690'
690'
630' 630'
630' 630'
630' 630'
630' 630'
620' 620'
620'
620'
620'
620'
620' 620'
610'
610'
690' 690'
620'
620'
610'
610'
CBIN10053
OTHR10015 CLEN10030
CLEN10057
CBIN10099
CBIN10100 CBIN10101
CLEN10058 INLT10025
CBIN10102
CBIN10103
CBIN10104 CBIN10105
CBIN10106
CBIN10109 INLT10026
CLEN10060
CBIN10112
CBIN10113
OTHR10023
CLEN10077
CLEN10078
OTHR10034
CBIN10139
CBIN10141
CBIN10142
OTHR10037
CLEN10084 CLEN10083
CBIN10146
INLT10046
CBIN10202
CBIN10203
CBIN10204
INLT10059
CBIN10205
CBIN10206
OTHR10064
CBIN10207
CBIN10208
INLT10062
OTHR10065
CBIN10235
OTHR10075
INLT10085
CBIN10250
INLT10096
INLT10097
OTHR10083
INLT10110
CLEN10184
OTHR10103
OTHR10128 OTHR10129
OTHR10130 SAN MARCOS SAN MARCOS
PIPE10420
PIPE10528
CULV10005
PIPE10120
PIPE10630
PIPE10284
PIPE10387
PIPE10413
PIPE10146
PIPE10158
PIPE10651
PIPE10118
PIPE10164
PIPE10529
CULV10031
PIPE10419
PIPE10418
PIPE10422
PIPE10632
PIPE10283
PIPE10166
CULV10032
PIPE10288
PIPE10124
PIPE10595
PIPE10126
PIPE10416
PIPE10527
PIPE10525
PIPE10162
PIPE10161
PIPE10253
PIPE10633
PIPE10236
PIPE10423
PIPE10631
PIPE10156
PIPE10021
CULV10034
PIPE10526
PIPE10173
PIPE10154
PIPE10286
PIPE10289
PIPE10160
PIPE10530
PIPE10412
PIPE10165
PIPE10239
CULV10033
PIPE10290
PIPE10311
PIPE10424
PIPE10159
PIPE10157
PIPE10240
PIPE10415
PIPE10163
OTLT10295
OTLT10296
OTLT10300
OTLT10313
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 146 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 159
SEE SHEET 133
SEE SHEET 145SEE SHEET 147

DDAANNEE DDRR

MULBERRY DR MULBERRY DR

LLAAVVEENNDDEERR CCTT

BBAANNYYAANN CCTT

VVIINNEEYYAARRDD RRDD

MAPLE AV

TEAKWOOD CT TEAKWOOD CT

WILLOW DR

IVYWOOD CT

PPRR VIVI AATTEEDDYY

FULTON RD

POPLAR AV

VEREDA RD VEREDA RD

SNOWBERRY CT SNOWBERRY CT

REDBERRY CT REDBERRY CT

SSEETTTTLLEERRSSCCTT

VIKING LN VIKING LN

BLACKBERRY CT BLACKBERRY CT

BRASS LANTERN RD BRASS LANTERN RD

ELDERBERRY CT ELDERBERRY CT

LLAAUURREELLWWOO

OODD CCTT

LLAAMMPPLL GIGI HHTTEERR RRDD

MANDEVILLA CT MANDEVILLA CT

BAYBERRY CT BAYBERRY CT

NN AALLDDAA DDRR

MEADOWVIEW LN MEADOWVIEW LN

CCAARRRRII AAGGEE DD RR
770' 770'
760' 760'
750'
750'
740'
740'
730'
730'
720'720'
700' 700'
680' 680'
670' 670'
660' 660'
750'
750'
740'
740'
720'
720'
710' 710'
700' 700'
690' 690'
680' 680'
660'
670' 670'
660'
650' 650'
700' 700'
690' 690'
680'
680'
670'
670'
660'
660'
650'
650'
640'
640'
630'
630'
670'
670'
660' 660'
650' 650'
760'
750'
740'
660' 660'
650'
650'
700'
700'
690' 690'
650'
650'
640' 640'
640'
640'
630' 630'
630' 630'
620' 620'
710'
710'
690' 690'
730' 730'
760' 760'
760'
760'
730' 730'
730'
730'
700'
640'
630'
730'
730'
640'
640'
CBIN10003
CLEN10074
CLEN10075
CLEN10080
OTHR10031
CBIN10136
CBIN10137
CBIN10138
OTHR10036 OTHR10037
CBIN10180
CBIN10181
OTHR10056
OTHR10057
CLEN10111
CBIN10184 CLEN10112
CBIN10185
CLEN10113
CBIN10186
CLEN10114
CBIN10187
CBIN10188
OTHR10061
CBIN10189
CBIN10190
CLEN10115 OTHR10082
INLT10113
INLT10114
CBIN10285 CBIN10286
CBIN10287
CLEN10238
CLEN10239
INLT10134
SEPR10006 CBIN10336
CLEN10240 CBIN10338 CBIN10339 CBIN10340 CBIN10341
CLEN10241
CBIN10342 CBIN10343
CBIN10344
OTLT10020
CBIN10358

SAN MARCOS SAN MARCOS
PIPE10821
PIPE10247
PIPE10636
PIPE10814
PIPE10806
PIPE10819
PIPE10807
PIPE10355
PIPE10823
PIPE10377
PIPE10373
PIPE10642
PIPE10375
PIPE10825
PIPE10640
PIPE10357
PIPE10250 PIPE10252 PIPE10251
PIPE10634
PIPE10245
PIPE10364
PIPE10249
PIPE10378
CULV10008
PIPE10567
PIPE10813
PIPE10248
PIPE10379
CULV10135
PIPE10240
PIPE10374
PIPE10025
PIPE10371
PIPE10368
PIPE10369
PIPE10818
PIPE10372
PIPE10370
PIPE10566
CULV10052
PIPE10812
PIPE10808
PIPE10811
CHAN10784
PIPE10810
PIPE10361
CULV10009
W:\17729_SanMarcosDMP\GIS\DeliverableMaps\SMDMP_C_100yrResultsMaps_11x17.mxd City of San Marcos - Drainage Master Plan

San Marcos City CouncilFebruary 25, 2025

San Marcos City Council
February 25, 2025