caldwell county regional water and wastewater planning study

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C O N S U L T I N G E N G I N E E R STABLE OF CONTENTS CONTINUEDSECTION 9 WASTEWATER FLOWS9.1 General …………………………………………………………9.2 Wastewater Flow …………..……….......................................9.3 Wastewater Loads ……………………………………………SECTION 10 WATER QUALITY10.1 General ….…………………………………………………….10.2 City Ordinances ………………………………………………10.3 United States Environmental Protection Agency (USEPA) …..10.3.1 The National Pollutant Discharge Elimination System(NPDES) ………………………………………………10.4 Texas Commission on Environmental Quality (TCEQ) ………10.4.1 The Texas 303(d) List …………………………………10.4.2 Texas Pollutant Discharge Elimination System (TPDES)10.4.3 Source Water Protection ……………………………..10.5 Total Maximum Daily Loads (TMDL) Program ……………..10.6 Plum Creek Watershed Protection Plan …….………………..10.6.1 E.coli Potential ……………………………………….10.7 Seasonal Loading Impacts ………..…………………………..SECTION 11 WATER SUPPLY OPTIONS11.1 Regional Water Plans …………………………………………11.1.1 GBRA Mid-Basin Project ………………………………11.1.2 Hays Caldwell Public Utility Agency Supply Project(HCPUA) …………………………………………….11.1.3 Lower Guadalupe Water Supply Project for GBRANeeds ………………………………………………….11.1.4 Lockhart Reservoir ……………………………………11.1.5 Recycled Water Programs …………………………….11.1.6 Surface Water Rights ………………………………….11.1.7 Local Carrizo …………………………………………..11.1.8 Local Storage …………………………………………..11.1.9 The Simsboro Aquifer …………………………………11.1.10 Weather Modification ………………………………11.1.11 Rainwater Harvesting ………………………………...11.1.12 Water Conservation Strategy ………………………...11.1.13 Desalination …………………………………………..11.2 Conclusions ………….………………………………………..SECTION 12 REGIONAL WATER PLANNING12.1 General ……………………………. ………………………….12.2 Water Supply Sources ...…………………………...………......Page9-19-19-310-110-110-210-210-210-310-310-410-410-410-610-611-111-311-411-611-611-611-711-711-811-1011-1011-1111-1111-1211-1212-112-2Klotz Associates Project No. 0972.000.000January 2010TOC-3Caldwell County Regional Water and Wastewater Planning StudyFinal Report
C O N S U L T I N G E N G I N E E R STABLE OF CONTENTS CONTINUED12.3 Conceptual Planning …..………………………………………12.3.1 Source Development ………………………………….12.3.2 Distribution ……………………………………………12.4 Water System Cost Estimates …………………………………SECTION 13 REGIONAL WASTEWATER PLANNING13.1 Introduction ………………………..…………………………..13.2 Existing Wastewater Collection Systems ………………………13.3 Wastewater System Planning ………………………………….13.4 Wastewater Collection System Service Areas …………………13.5 Wastewater Collection System Options ……………………….13.5.1 On-Site Sewage Facilities (OSSF)/ Septic Systems …….13.5.2 Regional Treatment Facilities ………………………….13.5.3 Decentralized Treatment Facilities …………………….13.5.4 Package Treatment Facilities ………………………….13.6 Proposed Wastewater Collection Facilities ……………………13.6.1 Option 1 – Regional Facilities …………………………13.6.2 Option 2 – Decentralized/ Package Treatment Systems13.6.3 Option 3 – Combined Facilities ……………………….13.7 Proposed Regional Wastewater Facilities ……………………..SECTION 14 REGIONAL WATER QUALITY PROTECTION PLAN14.1 Introduction ………………………………………………...….14.2 Caldwell County Watersheds …….……………………………14.3 Water Quality Concerns and Sources of Impairment …….……14.4 Water Quality Standards ………………………………………14.5 Impairment Locations ………………………………………….14.6 Recommended Load Reductions ………………………………14.7 Proposed Management Measures ……………………………..14.7.1 Urban Stormwater Management Measures ……………14.7.2 Water Quality Development Ordinances and Policy ….14.8 Structural BMPs for Discharges from Developed Land ………14.8.1 Infiltration Systems …………………………………….14.8.2 Detention Sedimentation Basins ……………………….14.8.3 Vegetative Filter Strips ………………………………..14.8.4 Vegetative Swales ……………………………………..14.8.5 Riparian Buffers ………………………………………14.8.6 Rain Gardens ………………………………………….14.9 Agricultural Best Management Practices ……………………..14.10 Public Education/ Outreach ….………………………… ……Page12-412-412-712-913-113-113-313-313-613-613-713-713-813-1013-1113-1113-1213-1214-114-114-214-314-514-614-614-714-814-914-914-914-1014-1014-1014-1014-1114-13Klotz Associates Project No. 0972.000.000January 2010TOC-4Caldwell County Regional Water and Wastewater Planning StudyFinal Report
Page 1 and 2: CALDWELL COUNTY REGIONAL WATERAND W
Page 6 and 7: 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 20 and 21: parameters and needs. For purposes
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
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Klotz Associates Project No. 0972.0
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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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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
Page 286:
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