Executive Summary – Tables ES-1 to ES-3
ES-1 South
Central Texas Regional Water Planning Group Members ES-2
ES-2 Major
Water Providers and Service Areas ES-15
ES-3 Regional
Water Supply Plan Summary
ES-23
Section 1 -
Tables 1-1 to 1-14
1-1 South
Central Texas Region – List of Counties (Location by
River Basin and Edwards Aquifer Area)
1-3
1-2 Climatological
Data for South Central Texas Region 1-4
1-3 Agricultural
Resources — 1997 1-12
1-4 Population
Growth – 1950 to 1998 1-14
1-5 Major
Cities in the South Central Texas Region1-15
1-6 County
Population and Area1-16
1-7 Summary
of Farm Production Data - 19971-19
1-8 Summary
of Livestock Production Data - 19971-21
1-9 Summary
of Manufacturing Activity - 19921-23
1-10 Trades
and Services Industry - 19921-25
1-11 Groundwater
Availability by Aquifer 1-38
1-12 List
of Major Reservoirs1-43
1-13 Summary
of Run-of-River Water Rights1-45
1-14 Summary
of Plans/Studies Submitted to the SCTRWPG 1 2 3 4 5 1-54
Section 2 -
Tables 2-1 to 2-13
2-1 South
Central Texas Region – List of Counties (Location by
River or Coastal Basin and Edwards Aquifer Area)2-2
2-2 Population
Projections (Individual Counties with River and
Coastal Basin Summaries)2-3
2-3 Population
Projections (River and Coastal Basins, Counties,
and Cities)................................................................................................ 2-5
2-4 Municipal
Water Demand Projections (Individual Counties
with River Basin Summaries).................................................................. 2-13
2-5 Industrial
Water Demand Projections (Individual Counties
with River Basin Summaries).................................................................. 2-17
2-6 Steam-Electric
Power Water Demand Projections (Individual
Counties with River Basin Summaries)................................................... 2-18
2-7 Mining
Water Demand Projections (Individual Counties with
River Basin Summaries).......................................................................... 2-19
2-8 Irrigation
Water Demand Projections
(Individual Counties
with River Basin Summaries).................................................................. 2-22
2-9 Livestock
Water Demand Projections (Individual Counties
with River Basin Summaries).................................................................. 2-25
2-10 Total
Water Demand Projections
(Individual Counties with
River Basin Summaries).......................................................................... 2-28
2-11 Composition
of Total Water Use.............................................................. 2-29
2-12 Water
Demand Projections – (River,
Basins,
Counties, and Cities)................................................................................ 2-32
2-13 Water
Demand Projections for Major Water Providers........................... 2-52
Section
3 - Tables 3-1 to 3-5
3-1 Groundwater
Availability by Aquifer.......................................................... 3-5
3-2 List
of Major Reservoirs............................................................................ 3-8
3-3 Summary
of Run-of-River Water Rights.................................................. 3-10
3-4 Identification
and Initiation of Drought Responses................................... 3-12
3-5 Summary
of Draft Edwards Aquifer Authority Critical Period
Management Rules.................................................................................. 3-13
Section 4 - Tables 4-1 to 4-28
4-1 Projected
Water Demands, Supplies, and Needs – Atascosa County... 4-3
4-2 Projected
Water Demands, Supplies and Needs – Bexar County.......... 4-8
4-3 Projected
Water Demands, Supplies and Needs – Caldwell County...... 4-14
4-4 Projected
Water Demands, Supplies and Needs – Calhoun County...... 4-19
4-5 Projected
Water Demands, Supplies, and Needs – Comal County........ 4-25
4-6 Projected
Water Demands, Supplies and Needs – DeWitt County........ 4-30
4-7 Projected
Water Demands, Supplies, and Needs – Dimmit County....... 4-37
4-8 Projected
Water Demands, Supplies and Needs – Frio County............. 4-42
4-9 Projected
Water Demands, Supplies, and Needs – Goliad County........ 4-46
4-10 Projected
Water Demands, Supplies and Needs – Gonzales County.... 4-51
4-11 Projected
Water Demands, Supplies, and Needs – Guadalupe County. 4-56
4-12 Projected
Water Demands, Supplies and Needs – Hays County (part). 4-61
4-13 Projected
Water Demands, Supplies, and Needs – Karnes County....... 4-65
4-14 Projected
Water Demands, Supplies and Needs – Kendall County....... 4-72
4-15 Projected
Water Demands, Supplies, and Needs – LaSalle
County...................................................................................................... 4-78
4-16 Projected
Water Demands, Supplies and Needs – Medina County........ 4-81
4-17 Projected
Water Demands, Supplies, and Needs – Refugio County...... 4-86
4-18 Projected
Water Demands, Supplies and Needs – Uvalde County........ 4-90
4-19 Projected
Water Demands, Supplies, and Needs – Victoria County...... 4-93
4-20 Projected
Water Demands, Supplies and Needs – Wilson County........ 4-100
4-21 Projected
Water Demands, Supplies, and Needs – Zavala County........ 4-106
4-22 Projected
Water Demands, Supplies and Needs – River Basin and
South Central Texas Region Summaries................................................ 4-109
4-23 Projected
Water Demands, Supplies and Needs for Major
Water Providers....................................................................................... 4-115
4-24 Projected
Water Needs by Water User Group and Impacts of
Not Meeting Water Needs upon Population............................................. 4-120
4-25 Projected
Water Needs by Water User Group and Impacts of
Not Meeting Water Needs upon School Enrollment................................. 4-128
4-26 Projected
Water Needs by Water User Group and Impacts of
Not Meeting Water Needs upon Gross Business
in Millions of 1999 Dollars......................................................................... 4-136
4-27 Projected
Water Needs by Water User Group and Impacts of
Not Meeting Water Needs upon Employment.......................................... 4-144
4-28 Projected
Water Needs by Water User Group and Impacts of
Not Meeting Water Needs upon Personal Income................................................................................................................. 4-152
Section
5 - Tables 5.1-1 to 5.4-13
5.1-1 WaterSupply
Option Summary Sorted by Unit Cost 5-5
5.2-1 WaterManagement
Strategies, County Needs, and County
Allocation of New Supplies in 2050 5-11
5.2-2 AtascosaCounty
Summary of Projected Water Needs (Shortages)
and Water Management Strategies 5-23
5.2-3 BexarCounty
Summary of Projected Water Needs (Shortages)
and Water Management Strategies 5-25
5.2-4 CaldwellCounty
Summary of Projected Water Needs (Shortages)
and Water Management Strategies 5-27
5.2-5 CalhounCounty
Summary of Projected Water Needs (Shortages)
and Water Management Strategies 5-29
5.2-6 ComalCounty
Summary of Projected Water Needs (Shortages)
and Water Management Strategies 5-31
5.2-7 DeWittCounty
Summary of Projected Water Needs (Shortages)
and Water Management Strategies 5-33
5.2-8 DimmitCounty
Summary of Projected Water Needs (Shortages)
and Water Management Strategies 5-35
5.2-9 FrioCounty
Summary of Projected Water Needs (Shortages)
and Water Management Strategies 5-37
5.2-10 GoliadCounty
Summary of Projected Water Needs (Shortages)
and Water Management Strategies 5-39
5.2-11 Gonzales
County Summary ofProjected Water Needs (Shortages)
and Water Management Strategies 5-41
5.2-12 GuadalupeCounty
Summary of Projected Water Needs (Shortages)
and Water Management Strategies 5-43
5.2-13 HaysCounty
Summary of Projected Water Needs (Shortages)
and Water Management Strategies 5-45
5.2-14 KarnesCounty
Summary of Projected Water Needs (Shortages)
and Water Management Strategies 5-47
5.2-15 KendallCounty
Summary of Projected Water Needs (Shortages)
and Water Management Strategies 5-49
5.2-16 LaSalle
County Summary of Projected Water Needs (Shortages)
and Water Management Strategies 5-51
5.2-17 MedinaCounty
Summary of Projected Water Needs (Shortages)
and Water Management Strategies 5-53
5.2-18 RefugioCounty
Summary of Projected Water Needs (Shortages)
and Water Management Strategies 5-55
5.2-19 UvaldeCounty
Summary of Projected Water Needs (Shortages)
and Water Management Strategies 5-57
5.2-20 VictoriaCounty
Summary of Projected Water Needs (Shortages)
and Water Management Strategies 5-59
5.2-21 WilsonCounty
Summary of Projected Water Needs (Shortages)
and Water Management Strategies 5-61
5.2-22 ZavalaCounty
Summary of Projected Water Needs (Shortages)
and Water Management Strategies 5-63
5.2-23 CriteriaUsed
by TPWD to Nominate Ecologically Unique River and
Stream Segments In and Adjacent to the Region L Planning Area 5-115
5.2-24
Construction
or Operational Activities of Water Management
Strategies Potentially Affecting Ecologically Unique River and
Stream Segments 5-116
5.2-25
South
Central Texas Regional Water Plan – TWDB Evaluation
Criteria Summary 5-119
5.3.1-1 Atascosa
County Surplus/Shortage - Tables 5.3.1-1 to 19 5-133
5.3.1-2 Recommended
Water Supply Plan forthe City of
Charlotte 5-134
5.3.1-3 Recommended
Plan Costs by Decade forthe City of
Charlotte 5-134
5.3.1-4 Recommended
Water Supply Plan forthe City of
Jourdanton 5-134
5.3.1-5 Recommended
Plan Costs by Decade for the City of
Jourdanton 5-135
5.3.1-6 Recommended
Water Supply Plan forthe City of Lytle 5-135
5.3.1-7 Recommended
Plan Costs by Decade for the City of
Lytle 5-136
5.3.1-8 Recommended
Water Supply Plan forthe City of
Pleasanton 5-136
5.3.1-9 Recommended
Plan Costs by Decade for the City of Pleasanton 5-137
5.3.1-10 Recommended
Water Supply Plan for theCity of
Poteet 5-137
5.3.1-11 Recommended
Plan Costs by Decade for the City of
Poteet 5-137
5.3.1-12 Recommended
Water Supply Plan for Rural Areas 5-138
5.3.1-13 Recommended
Plan Costs by Decade for Rural
Areas 5-138
5.3.1-14 Recommended
Water Supply Plan for Steam-Electric
Power 5-139
5.3.1-15 Recommended
Plan Costs by Decade forSteam-Electric
Power 5-140
5.3.1-16 Recommended
Water Supply Plan
forMining 5-140
5.3.1-17 Recommended
Plan Costs by Decade
forMining 5-141
5.3.1-18 Recommended
Water Supply Plan
forIrrigation 5-141
5.3.1-19 Recommended
Plan Costs by Decade
forIrrigation 5-142
5.3.2-1 BexarCounty
Surplus/Shortage 5-143
5.3.2-2 WaterManagement
Strategies Considered for Bexar
County 5-145
5.3.2-3 Recommended
Water Supply Plan for the Regional
Water Provider(s) for Bexar
County 5-147
5.3.2-4 Recommended
Plan Costs by Decadefor the Regional Water
Provider(s) for Bexar
County 5-148
5.3.2-5 Recommended
Water Supply Plan for theCity of Alamo
Heights 5-149
5.3.2-6 Recommended
Plan Costs by Decadefor the City of Alamo Heights 5-149
5.3.2-7 Recommended
Water Supply Plan for the City of Balcones
Heights 5-150
5.3.2-8 Recommended
Plan Costs by Decade for the
City of Balcones
Heights 5-151
5.3.2-9 Recommended
Water Supply Plan for the City of China
Grove 5-151
5.3.2-10 Recommended
Plan Costs by Decade for the City of China
Grove 5-152
5.3.2-11 Recommended
Water Supply Plan for the City of
Converse 5-153
5.3.2-12 Recommended
Plan Costs by Decade for the City of
Converse 5-153
5.3.2-13 Recommended
Water Supply Plan for the City of
Elmendorf 5-154
5.3.2-14 Recommended
Plan Costs by Decade for the City of
Elmendorf 5-154
5.3.2-15 Recommended
Water Supply Plan for the City of Fair Oaks
Ranch 5-155
5.3.2-16 Recommended
Plan Costs by Decade for the
City of Fair Oaks
Ranch 5-156
5.3.2-17 Recommended
Water Supply Plan for the City of
Helotes 5-157
5.3.2-18 Recommended
Plan Costs by Decade for the City of
Helotes 5-157
5.3.2-19 Recommended
Water Supply Plan for the City of
Kirby 5-158
5.3.2-20 Recommended
Plan Costs by Decade for the City of
Kirby 5-158
5.3.2-21 Recommended
Water Supply Plan for the City of Leon
Valley 5-159
5.3.2-22 Recommended
Plan Costs by Decade for the City of Leon
Valley 5-159
5.3.2-23 Recommended
Water Supply Plan for the
Live Oak Water Public Utility 5-160
5.3.2-24 Recommended
Plan Costs by Decade forthe
Live Oak Water Public
Utility 5-160
5.3.2-25 Recommended
Water Supply Plan for the City of Olmos
Park 5-161
5.3.2-26 Recommended
Plan Costs by Decade for the City of Olmos
Park 5-161
5.3.2-27 Recommended
Water Supply Plan for the City of San
Antonio 5-163
5.3.2-28 Recommended
Plan Costs by Decade for the City of San
Antonio 5-164
5.3.2-29 Recommended
Water Supply Plan for Schertz (Outside
City) 5-165
5.3.2-30 Recommended
Plan Costs by Decade for Schertz (Outside
City) 5-165
5.3.2-31 Recommended
Water Supply Plan for the City of Shavano
Park 5-166
5.3.2-32 Recommended
Plan Costs by Decade for the City of Shavano
Park 5-166
5.3.2-33 Recommended
Water Supply Plan for the City of St
Hedwig 5-167
5.3.2-34 Recommended
Plan Costs by Decade for the City of St
Hedwig 5-167
5.3.2-35 Recommended
Water Supply Plan for the City of Terrell
Hills 5-168
5.3.2-36 Recommended
Plan Costs by Decade for the City of Terrell
Hills 5-169
5.3.2-37 Recommended
Water Supply Plan for the City of Universal City 5-169
5.3.2-38 Recommended
Plan Costs by Decade for the City of Universal
City 5-170
5.3.2-39 Recommended
Water Supply Plan for
Windcrest 5-170
5.3.2-40 Recommended
Plan Costs by Decade for Windcrest 5-171
5.3.2-41 Recommended
Water Supply Plan for BMWD (Castle
Hills) 5-172
5.3.2-42 Recommended
Plan Costs by Decade for BMWD (Castle
Hills) 5-173
5.3.2-43 Recommended
Water Supply Plan for BMWD
(Somerset) 5-174
5.3.2-44 Recommended
Plan Costs by Decade for BMWD
(Somerset) 5-174
5.3.2-45 Recommended
Water Supply Plan for BMWD (Hill
Ctry/HollwPk) 5-176
5.3.2-46 Recommended
Plan Costs by Decade for
BMWD (Hill Ctry/HollwPk) 5-177
5.3.2-47 Recommended
Water Supply Plan for BMWD (Other
Subdivisions) 5-179
5.3.2-48 Recommended
Plan Costs by Decade for
BMWD (Other
Subdivisions) 5-180
5.3.2-49 Recommended
Water Supply Plan for Fort Sam
Houston 5-181
5.3.2-50 Recommended
Plan Costs by Decade for Fort Sam
Houston 5-182
5.3.2-51 Recommended
Water Supply Plan for Lackland
AFB 5-182
5.3.2-52 Recommended
Plan Costs by Decade for Lackland AFB 5-183
5.3.2-53 Recommended
Water Supply Plan for Randolph
AFB 5-184
5.3.2-54 Recommended
Plan Costs by Decade for Randolph
AFB 5-184
5.3.2-55 Recommended
Water Supply Plan for Rural
Areas 5-185
5.3.2-56 Recommended
Plan Costs by Decade for Rural
Areas 5-185
5.3.2-57 Recommended
Water Supply Plan for
Industrial 5-186
5.3.2-58 Recommended
Plan Costs by Decade for
Industrial 5-186
5.3.2-59 Recommended
Water Supply Plan for
Mining 5-187
5.3.2-60 Recommended
Plan Costs by Decade for
Mining 5-188
5.3.2-61 Recommended
Water Supply Plan for
Irrigation 5-188
5.3.2-62 Recommended
Plan Costs by Decade for
Irrigation 5-189
5.3.3-1 Caldwell
County Surplus/Shortage 5-191
5.3.3-2 Recommended
Water Supply Plan for the City of
Lockhart 5-192
5.3.3-3 Recommended
Plan Costs by Decade for the City of
Lockhart 5-192
5.3.3-4 Recommended
Water Supply Plan for the City of
Luling 5-193
5.3.3-5 Recommended
Plan Costs by Decadefor the City of
Luling 5-193
5.3.3-6 Recommended
Water Supply Plan for the City of
Martindale 5-194
5.3.3-7 Recommended
Plan Costs by Decade for the City of
Martindale 5-194
5.3.4-1 CalhounCounty
Surplus/Shortage 5-197
5.3.4-2 Recommended
Water Supply Plan for the City of Point
Comfort 5-198
5.3.4-3 Recommended
Plan Costs by Decade for the City of Point
Comfort 5-198
5.3.4-4 Recommended
Water Supply Plan forthe City of Port
Lavaca 5-199
5.3.4-5 Recommended
Plan Costs by Decade for the City of Port
Lavaca 5-199
5.3.4-6 Recommended
Water Supply Plan forthe City of
Seadrift 5-200
5.3.4-7 Recommended
Plan Costs by Decade for the City of
Seadrift 5-200
5.3.5-1 ComalCounty
Surplus/Shortage 5-203
5.3.5-2 Recommended
Water Supply Plan for the City of Garden
Ridge 5-204
5.3.5-3 Recommended
Plan Costs by Decade for the City of Garden
Ridge 5-204
5.3.5-4 Recommended
Water Supply Plan forthe City of New
Braunfels 5-206
5.3.5-5 Recommended
Plan Costs by Decade for the City of New
Braunfels 5-207
5.3.5-6 Recommended
Water Supply Plan for Rural
Areas 5-208
5.3.5-7 Recommended
Plan Costs by Decade for Rural
Areas 5-209
5.3.5-8 Recommended
Water Supply Plan for
Industrial 5-210
5.3.5-9 Recommended
Plan Costs by Decade for
Industrial 5-210
5.3.5-10 Recommended
Water Supply Plan
forMining 5-211
5.3.5-11 Recommended
Plan Costs by Decade forMining 5-211
5.3.6-1 DeWittCounty
Surplus/Shortage 5-213
5.3.6-2 Recommended
Water Supply Plan for the City of
Cuero 5-214
5.3.6-3 Recommended
Plan Costs by Decade for the City of
Cuero 5-214
5.3.6-4 Recommended
Water Supply Plan for the City of
Yoakum 5-214
5.3.6-5 Recommended
Plan Costs by Decadefor the City of
Yoakum 5-215
5.3.6-6 Recommended
Water Supply Plan for the City of
Yorktown 5-215
5.3.6-7 Recommended
Plan Costs by Decade for the City of
Yorktown 5-215
5.3.7-1 DimmitCounty
Surplus/Shortage 5-217
5.3.7-2 Recommended
Water Supply Plan for the City of Big
Wells 5-218
5.3.7-3 Recommended
Plan Costs by Decade for the City of Big
Wells 5-218
5.3.7-4 Recommended
Water Supply Plan forthe City of Carrizo
Springs 5-219
5.3.7-5 Recommended
Plan Costs by Decade for the City of Carrizo
Springs 5-219
5.3.8-1 FrioCounty
Surplus/Shortage 5-221
5.3.8-2 Recommended
Water Supply Plan for the City of
Dilley 5-221
5.3.8-3 Recommended
Plan Costs by Decade for the City of
Dilley 5-222
5.3.8-4 Recommended
Water Supply Plan for the City of
Pearsall 5-222
5.3.8-5 Recommended
Plan Costs by Decade for the City of
Pearsall 5-222
5.3.8-6 Recommended
Water Supply Plan for
Irrigation 5-224
5.3.8-7 Recommended
Plan Costs by Decade for
Irrigation 5-224
5.3.9-1 GoliadCounty
Surplus/Shortage 5-225
5.3.9-2 Recommended
Water Supply Plan for the City of
Goliad 5-226
5.3.9-3 Recommended
Plan Costs by Decadefor the City of
Goliad 5-226
5.3.10-1 Gonzales
County Surplus/Shortage 5-229
5.3.10-2 Recommended
Water Supply Plan for the City of
Gonzales 5-230
5.3.10-3 Recommended
Plan Costs by Decade for the City of
Gonzales 5-230
5.3.10-4 Recommended
Water Supply Plan for theCity of
Nixon 5-230
5.3.10-5 Recommended
Plan Costs by Decade for the City of
Nixon 5-231
5.3.10-6 Recommended
Water Supply Plan for the City of
Waelder 5-231
5.3.10-7 Recommended
Plan Costs by Decade for the City of
Waelder 5-231
5.3.11-1 Guadalupe
County Surplus/Shortage 5-233
5.3.11-2 Recommended
Water Supply Plan for the City of
Cibolo 5-234
5.3.11-3 Recommended
Plan Costs by Decade for the City of
Cibolo 5-234
5.3.11-4 Recommended
Water Supply Plan for the City of
Marion 5-235
5.3.11-5 Recommended
Plan Costs by Decade for the City of
Marion 5-235
5.3.11-6 Recommended
Water Supply Plan for McQueeney 5-236
5.3.11-7 Recommended
Plan Costs by Decade for
McQueeney 5-236
5.3.11-8 Recommended
Water Supply Plan for the City of
Schertz 5-237
5.3.11-9 Recommended
Plan Costs by Decade for the City of
Schertz 5-237
5.3.11-10 Recommended
Water Supply Plan for the City of
Sequin 5-238
5.3.11-11 Recommended
Plan Costs by Decade for the City of
Sequin 5-238
5.3.11-12 Recommended
Water Supply Plan for Rural
Areas 5-239
5.3.11-13 Recommended
Plan Costs by Decade for Rural
Areas 5-240
5.3.11-14 Recommended
Water Supply Plan for
Industrial 5-241
5.3.11-15 Recommended
Plan Costs by Decade for
Industrial 5-241
5.3.11-16 Recommended
Water Supply Plan forSteam-Electric
Power 5-242
5.3.11-17 Recommended
Plan Costs by Decade for Steam-Electric
Power 5-242
5.3.11-18 Recommended
Water Supply Plan for
Mining 5-243
5.3.11-19 Recommended
Plan Costs by Decade for
Mining 5-243
5.3.12-1 Hays
County Surplus/Shortage 5-245
5.3.12-2 Recommended
Water Supply Plan for the City of
Kyle 5-246
5.3.12-3 Recommended
Plan Costs by Decade for the City of
Kyle 5-247
5.3.12-4 Recommended
Water Supply Plan for the City of San
Marcos 5-248
5.3.12-5 Recommended
Plan Costs by Decade for the City of San
Marcos 5-249
5.3.12-6 Recommended
Water Supply Plan for the City of
Wimberley 5-250
5.3.12-7 Recommended
Plan Costs by Decade forthe City of
Wimberley 5-250
5.3.12-8 Recommended
Water Supply Plan for the City of
Woodcreek 5-251
5.3.12-9 Recommended
Plan Costs by Decade forthe City of
Woodcreek 5-251
5.3.12-10 Recommended
Water Supply Plan for
RuralAreas 5-252
5.3.12-11 Recommended
Plan Costs by Decade for Rural
Areas 5-253
5.3.12-12 Recommended
Water Supply Plan for
Mining 5-254
5.3.12-13 Recommended
Plan Costs by Decade for
Mining 5-254
5.3.13-1 KarnesCounty
Surplus/Shortage 5-255
5.3.13-2 Recommended
Water Supply Plan for the City of Karnes City 5-256
5.3.13-3 Recommended
Plan Costs by Decade for the City of Karnes
City 5-256
5.3.13-4 Recommended
Water Supply Plan for the City of
Kenedy 5-256
5.3.13-5 Recommended
Plan Costs by Decade for the City of Kenedy 5-257
5.3.13-6 Recommended
Water Supply Plan for the City of
Runge 5-257
5.3.13-7 Recommended
Plan Costs by Decade forthe City of
Runge 5-257
5.3.14-1 Kendall
County Surplus/Shortage 5-259
5.3.14-2 Recommended
Water Supply Plan for the City of
Boerne 5-260
5.3.14-3 Recommended
Plan Costs by Decade for the City of
Boerne 5-260
5.3.14-4 Recommended
Water Supply Plan for theCity of
Comfort 5-261
5.3.14-5 Recommended
Plan Costs by Decade for the City of
Comfort 5-261
5.3.14-6 Recommended
Water Supply Plan forRural
Areas 5-262
5.3.14-7 Recommended
Plan Costs by Decade for Rural
Areas 5-262
