caldwell county regional water and wastewater planning study

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SECTION 12REGIONAL WATER PLANNING12.1 GeneralAccording to the 2006 SCTRWP, several of the water providers in CaldwellCounty are expected to have shortages in the coming years. Table 12-1 lists theentities in Caldwell County and their respective shortage, as determined by theSCTRWP. The expansion and/or creation of new water management strategieswill be necessary to meet the needs in Caldwell County. Proposed watermanagement strategies in the SCTRWP will be expanded on and a regionalnetwork will be developed in this section.Regional cooperation is necessary not only to mitigate cost but also to jointly findsolutions that will benefit all participants. Communication and collaboration areefforts that are required to plan and implement a regional water plan.TABLE 12-1Caldwell County 2006 SCTRWP Projected Shortages (ac-ft)Water SupplierProjected Shortage2010 2020 2030 2040 2050 2060Aqua WSC 49 121 178 240 300 362City of Lockhart WSC 341 984 1,519 2,070 2,615 3,175City of Luling 168 311 400 485 587 695Creedmoor Maha 0 0 0 0 0Martindale WSC 2 19 41Maxwell WSC 73 249 479 692Polonia WSC 137 331 520 719Tri Community WSCCounty Line WSC 44 1,096 1,416 1,582 1,900 2,365Goforth WSC 79 532 969 1,415 1,963 2,408San Marcos 79 532 969 1,415 1,963 2,408Gonzales County 0 14 75 208 254 255Klotz Associates Project No. 0972.000.000January 201012-1Caldwell County Regional Water and Wastewater Planning StudyFinal Report
12.2 Water Supply SourcesWater supplies vary for the local water utilities. Surface water is supplied fromGBRA and CRWA through river-run-of-rights. Groundwater is supplied throughwell permits in the Edwards (Barton Springs) Aquifer, Wilcox-Carrizo Aquifer,and Alluvial Wells. Future water supplies from these sources are expected todevelop further to meet demands. Water supplies that are available to CaldwellCounty have been listed in Table 12-2. The information presented is from a queryperformed on the TWDB website on available water by source. The water sourceslisted in the survey by the WUG’s were searched to provide information on thewater available.The accessible water supplies from the named sources in Table 12-2 decrease foreach decade. The available supplies in 2010 are 10,878 ac-ft, 2020 has 10,838 acft,2030 has 10,071 ac-ft, and 2040 has 10,063 ac-ft.Given the listed supplies and calculated water demands discussed in Section 8, theexpected shortages are slightly greater that the SCTRWPG. The difference islikely based on greater population estimates and different per capita values. Arevised municipal demand for the “TWDB County Water Demand Projections” ispresented in Table 12-3. The municipal demand revision reflects the waterdemands determined in this study. Table 12-4 presents the expected shortagesbased on these revisions and study determinations.Klotz Associates Project No. 0972.000.000January 201012-2Caldwell County Regional Water and Wastewater Planning StudyFinal Report
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CALDWELL COUNTY REGIONAL WATERAND W
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C O N S U L T I N G E N G I N E E R
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flows without impacting environment
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viable for Caldwell County are wate
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parameters and needs. For purposes
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SECTION 1INTRODUCTION1.1 Background
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A Grant Application for a Regional
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1.4 Participants and SponsorsThe Ca
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SECTION 2CALDWELLL COUNTY CHARACTER
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Construction for segments 5 and 6 o
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Watershed and Peach Creek Watershed
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2.4 Certificates of Convenience and
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Klotz Associates Project No. 0972.0
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GRAPH 2-1Lockhart, Texas Monthly Av
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water quality in the county. Finall
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SECTION 4GROUNDWATER4.1 Groundwater
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efore 1953. Deterioration in water
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loose sand. The sand tends to be fr
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4.3 Groundwater Conservation Distri
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support the efforts of PCCD. The di
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SECTION 5SURFACE WATER5.1 GeneralSu
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GRAPH 5-1Caldwell County Total Surf
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GRAPH 5-2TWDB- Caldwell County Hist
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SECTION 6POPULATION6.1 Population P
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GRAPH 6-1TWDB Population Projection
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GRAPH 6-3Texas State Data Center Po
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TABLE 6-2Planning Study Population
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Page 74 and 75: 7.1.2 City of LockhartThe City of L
Page 76 and 77: Neiderwald. The service area in Cal
Page 78 and 79: purchase capacity of 6.0 MGD. The a
Page 80 and 81: Lockhart. The plant is capable of d
Page 82 and 83: In 1994 GBRA began operating the Ci
Page 84 and 85: 7.3.5 Sweetwater Utility, LLCSweetw
Page 86 and 87: TABLE 8-1Caldwell County - TWDB His
Page 88 and 89: Municipal water demand projections
Page 90 and 91: applicable. A “P” in the Region
Page 92 and 93: the modified TSDC Scenario 1.0, sho
Page 94 and 95: GRAPH 8-3Caldwell County Survey Res
Page 96 and 97: GRAPH 8-4Caldwell County Yearly Wat
Page 98 and 99: espectively from the information pr
Page 100 and 101: TABLE 9-6Caldwell County Projected
Page 102 and 103: 10.3 United States Environmental Pr
Page 104 and 105: 10.4.3 Source Water ProtectionSourc
Page 106 and 107: 10.6.1 E.coli PotentialIt is estima
Page 108 and 109: TABLE 10-4Estimated Loadings from U
Page 112 and 113: The proposed GBRA Mid-Basin Project
Page 114 and 115: 11.1.3 Lower Guadalupe Water Supply
Page 116 and 117: the maximum available groundwater f
Page 118 and 119: An ASR is a viable solution. Ground
Page 120 and 121: The water conservation strategy is
Page 124 and 125: TABLE 12-2Caldwell County Water Sup
Page 128 and 129: 12.3.2 DistributionThe water will b
Page 130 and 131: 12.4 Water System Cost EstimatesVar
Page 132 and 133: 300272GRAPH 13-1Caldwell County OSS
Page 136 and 137: 2. The Martindale Regional Facility
Page 138 and 139: decentralized system providing sewe
Page 140 and 141: Unfortunately, the simplicity of O&
Page 142 and 143: associated costs. Efficient and fun
Page 146 and 147: 14.3 Water Quality Concerns and Sou
Page 148 and 149: wastewater plant return flows. The
Page 150 and 151: 14.6 Recommended Load ReductionsLoa
Page 152 and 153: 14.7.2 Water Quality Development Or
Page 154 and 155: 14.8.3 Vegetative Filter StripsVege
Page 156 and 157: Use constructed wetlands to capture
Page 158 and 159: 14.12 Implementation Recommendation
Page 160 and 161: Type II reclaimed water is defined
Page 162 and 163: Pollutant loading to streams from e
Page 164 and 165: Future growth in Caldwell County wi
Page 166 and 167: 14.12.4 OSSF Annual Inspection and
Page 168 and 169: Water Quality Monitoring Program -
Page 170 and 171: execute strategies. Local, state, a
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the environment. Funding for the pr
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the watershed organizations should
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water or groundwater to meet future
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Mid-Basin Project and associated fa
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APPENDIX B
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APPENDIX B0 / ?% '(0 ;6 ) , 6
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APPENDIX B ) ) ) B C * (
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APPENDIX B &# ! % 44' # (0 5#
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APPENDIX B # %# '(=. )1. )@. )
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State WellNumber6702902670290567029
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APPENDIX EThe tables presented in t
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APPENDIX EWaterUserGroupTABLE 7PROJ
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APPENDIX ERules of the Gonzales Cou
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APPENDIX EAVERAGE QUEEN CITY OR SPA
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Historical Water Use Summary by Cou
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Historical Water Use Summary by Gro
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UseCodePriority DatePriority Month,
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CountyName1 = Anderson 52 = Crane 1
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WRNoWRTypeWRSeqAPPENDIX GTCEQ SURFA
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APPENDIX HWATER CONSERVATION MEASUR
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APPENDIX HWater Rate StructureAn in
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APPENDIX HLeak Detection and Repair
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APPENDIX I• The cities of Kyle, L
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Management MeasureSeptic System Ins
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Outreach ActivityAgricultural Progr
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APPENDIX KWhereas the parties to th
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RESPONSE TO WRITTEN COMMENT BY JOHN
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APPENDIX MCaldwell County Regional
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APPENDIX NTEXAS WATER DEVELOPMENT B
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APPENDIX NKlotz Associates, Inc.Res
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APPENDIX NKlotz Associates Response
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