caldwell county regional water and wastewater planning study

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parameters and needs. For purposes of this plan, the centralized treatment plantapproach was analyzed with plants located in the Martindale area, the Lockhartarea and the Luling area. A fourth plant would be placed in the Peach Creek Basinonce sufficient development has occurred in this area. These plants will provideservice generally within topographic basins and be managed by public utilities toensure proper operation and maintenance.The total wastewater flow estimated for 2040 is 10.2 million gallons per day withtotal project development cost of the plants estimated as $39 million. The cost isonly associated with developing the treatment facilities and the network forcollecting the sewage is not included in this number.The new wastewater treatment plants would be permitted and constructed toenable reuse of the plant effluent for non-potable purposes. The reuse waterwould offset a portion of the need for development of new water. Water reusesystems generally require extensive piping networks to take the water to its pointof use. For this reason, it is not cost-effective to retrofit current facilities, butrather incorporate into new systems.Growth often results in degradation of surface water quality and can result inpollution of groundwater. Return wastewater plant discharges to streams candegrade water quality. Pollutant wash-off from impervious cover is a largecontributor to increased pollution of streams but recent studies have shown thatrunoff from fields, pastures and lawns can add significant non-point pollutantloads. Inefficient and failing OSSF systems can add to pollutant loads in streams.The Plum Creek Watershed Protection Plan has identified point-source and nonpointpollutant contributors which have impaired Plum Creek.The following measures are recommended for consideration to assist in protectingwater quality in streams:Klotz Associates Project No. 0972.000.000January 2010ES-6Caldwell County Regional Water and Wastewater Planning StudyFinal Report
• Reuse water from treatment plants without discharge to streams• Implement water quality protection requirements for new imperviouscover• Review and if warranted, revise the OSSF permitting rules for setbacksfrom water bodies and increase separation distance• Require periodic inspections and reports for all OSSF systems• Develop and carry out an urban-oriented water quality protectioneducation program that targets pollutants normally generated in urbanareas• Develop and carry out an agriculture-based water quality educationprogram that targets pollutants ordinarily generated in rural areas• Work with leaders in the county to make water quality protection aneveryday concernThe limited depth of the study results in many generalizations and assumptions. Someopportunities have been identified for further consideration as additional planning andimplementation work is done.In the course of the study, the energy and interest of the leaders and citizens of CaldwellCounty were clearly identified. Water and water quality is important to Caldwell Countyand its citizens. Working together as a group, water needs can be met and long term, costeffectivesolutions can be developed. Lack of water should not be the limiting factor thatprevents the citizens of Caldwell County from realizing their potential.Klotz Associates Project No. 0972.000.000January 2010ES-7Caldwell County Regional Water and Wastewater Planning StudyFinal Report
Page 1 and 2: CALDWELL COUNTY REGIONAL WATERAND W
Page 4 and 5: C O N S U L T I N G E N G I N E E R
Page 16 and 17: flows without impacting environment
Page 18 and 19: viable for Caldwell County are wate
Page 22 and 23: SECTION 1INTRODUCTION1.1 Background
Page 24 and 25: A Grant Application for a Regional
Page 26 and 27: 1.4 Participants and SponsorsThe Ca
Page 28 and 29: SECTION 2CALDWELLL COUNTY CHARACTER
Page 30 and 31: Construction for segments 5 and 6 o
Page 32 and 33: Watershed and Peach Creek Watershed
Page 34 and 35: 2.4 Certificates of Convenience and
Page 36 and 37: Klotz Associates Project No. 0972.0
Page 38 and 39: GRAPH 2-1Lockhart, Texas Monthly Av
Page 44 and 45: water quality in the county. Finall
Page 46 and 47: SECTION 4GROUNDWATER4.1 Groundwater
Page 48 and 49: efore 1953. Deterioration in water
Page 50 and 51: loose sand. The sand tends to be fr
Page 52 and 53: 4.3 Groundwater Conservation Distri
Page 56 and 57: support the efforts of PCCD. The di
Page 58 and 59: SECTION 5SURFACE WATER5.1 GeneralSu
Page 60 and 61: GRAPH 5-1Caldwell County Total Surf
Page 62 and 63: GRAPH 5-2TWDB- Caldwell County Hist
Page 64 and 65: SECTION 6POPULATION6.1 Population P
Page 66 and 67: GRAPH 6-1TWDB Population Projection
Page 68 and 69: GRAPH 6-3Texas State Data Center Po
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TABLE 6-2Planning Study Population
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Klotz Associates Project No. 0972.0
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7.1.2 City of LockhartThe City of L
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Neiderwald. The service area in Cal
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purchase capacity of 6.0 MGD. The a
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Lockhart. The plant is capable of d
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In 1994 GBRA began operating the Ci
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7.3.5 Sweetwater Utility, LLCSweetw
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TABLE 8-1Caldwell County - TWDB His
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Municipal water demand projections
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applicable. A “P” in the Region
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the modified TSDC Scenario 1.0, sho
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GRAPH 8-3Caldwell County Survey Res
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GRAPH 8-4Caldwell County Yearly Wat
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espectively from the information pr
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TABLE 9-6Caldwell County Projected
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10.3 United States Environmental Pr
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10.4.3 Source Water ProtectionSourc
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10.6.1 E.coli PotentialIt is estima
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TABLE 10-4Estimated Loadings from U
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The proposed GBRA Mid-Basin Project
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11.1.3 Lower Guadalupe Water Supply
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the maximum available groundwater f
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An ASR is a viable solution. Ground
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The water conservation strategy is
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SECTION 12REGIONAL WATER PLANNING12
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TABLE 12-2Caldwell County Water Sup
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12.3.2 DistributionThe water will b
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12.4 Water System Cost EstimatesVar
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300272GRAPH 13-1Caldwell County OSS
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2. The Martindale Regional Facility
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decentralized system providing sewe
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Unfortunately, the simplicity of O&
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associated costs. Efficient and fun
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14.3 Water Quality Concerns and Sou
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wastewater plant return flows. The
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14.6 Recommended Load ReductionsLoa
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14.7.2 Water Quality Development Or
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14.8.3 Vegetative Filter StripsVege
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Use constructed wetlands to capture
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14.12 Implementation Recommendation
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Type II reclaimed water is defined
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Pollutant loading to streams from e
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Future growth in Caldwell County wi
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14.12.4 OSSF Annual Inspection and
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Water Quality Monitoring Program -
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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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C O N S U L T I N G E N G I N E E R
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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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