caldwell county regional water and wastewater planning study

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GRAPH 5-2TWDB- Caldwell County Historic Water Use Summary by River Drainage Basin9,0008,000Colorado River BasinGuadalupe River Basin7,0006,000Year5,0004,0003,0002,0001,0000197419801984198519861987198819891990199119921993Acre Feet19941995199619971998199920002001200220032004county has yielded an average of 350 ac-ft annually. The Colorado River Basin ismanaged by the Lower Colorado River Authority (LCRA).5.3 Surface Water Supply UsesMunicipal use is the county’s major use of surface water. Based on historical datafrom 1990 to 2004, municipal water use has accounted for between 65% and 80%of the total water used in the county. Graph 5-3 illustrates historical percentagesof surface water use for typical categories. Although irrigation and livestock wateruse have decreased, they still account for about 20%. Mining, steam electric andmanufacturing account for less than 0.5% of the water used in the County.5.4 Surface Water RightsCurrently, surface water is accessed and obtained through a water rightspermitting process prescribed by the TCEQ. Anyone desiring to use surface water5-5Klotz Associates Project No. 0972.000.000Caldwell County Regional Water and Wastewater Planning StudyJanuary 2010Final Report
needs a permit from the State of Texas. Exemptions from this requirement areavailable for (1) domestic and livestock use, (2) wildlife management, (3)emergency use, and (4) other specified uses listed in the Texas Water Code.Through these appropriated rights users are allowed to divert and store water foruse. However, a priority date is assigned to each right granted. The priority datedetermines the order of water to be used. It is a pecking order for water use. Indrought conditions and when stream flows are lowered and reduced, the TCEQadministers water rights on a priority basis known as “first in time, first in right.”A list of water rights for Caldwell County can be found in Appendix G. This datawas obtained from a TCEQ water rights database. Most of the water rights listedfor Caldwell County are associated with the San Marcos River. The largestpermitted volumes are owned by GBRA and Hydraco Power, Inc.Klotz Associates Project No. 0972.000.000January 20105-6Caldwell 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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Page 12 and 13: C O N S U L T I N G E N G I N E E R
Page 14 and 15: 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
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 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
Page 70 and 71: TABLE 6-2Planning Study Population
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
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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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Klotz Associates Project No. 0972.0
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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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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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