caldwell county regional water and wastewater planning study

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14.12 Implementation Recommendations for the CCRWQPPThe following elements are recommended for implementation in Caldwell Countyto assist in improvement of existing water quality in degraded streams and preventwater quality degradation of streams in the future:• Point Discharge Load Reductions• Stormwater Filter Strips Along Streams• Water Quality Remediation Associated with Impervious CoverInstallation• OSSF Inspection and Certification14.12.1 Point Discharge Load ReductionsWastewater treatment plant discharges represent a continuous point source ofpollutants discharging into streams. Two practices can materially impact thepollutant discharge loading to streams. Producing “higher” quality of water fordischarge will reduce loading and implementing reuse of reclaimed water canreduce loading.Higher quality of discharge water refers to improving the treatment processeswithin a treatment plant to remove additional pollutants before the treated water isdischarged to the stream. The effluent pollutant limits for wastewater treatmentplants are established in permits issued by the TCEQ and based on the quality ofthe discharge and its impact on the receiving waters. The permits consider theability of the stream to assimilate the pollutants discharged into it withoutlowering the water quality in the stream below the standards established for thereaches of stream below the outfall.The larger wastewater treatment plants in the county are operated by the City ofLockhart and the City of Luling. The total existing plant capacity for Lockhart is2.6 mgd and for Luling it is 1.4 mgd.Klotz Associates Project No. 0972.000.000January 201014-14Caldwell County Regional Water and Wastewater Planning StudyFinal Report
The existing wastewater treatment plant discharge parameters for these plants areshown in Table 14-2:Table 14-2Wastewater Treatment Plant Permit ParametersParameter LockhartPlant 1LockhartPlant 2LulingPlant 1LulingPlant 2Permitted Flow Capacity, mgd 1.1 1.5 0.5 0.9BOD 5, mg/l - - 20 -CBOD 5, mg/l 10 10 - 10NH 3 as N, mg/l 3 3 - 3Dissolved Oxygen, mg/l 4 5 2 5Total Suspended Solids, mg/l 15 15 20 15As the quality of discharge from wastewater treatment plants is raised to a higherstandard, it becomes cost effective to implement water reclamation and a waterreuse program. The following explanations provide information regardingimplementation of a water use program.Water reuse is the beneficial use of reclaimed water. Examples of water reuseinclude irrigation, cooling, or washing.Reclaimed water is domestic or municipal wastewater which has been treated to aquality suitable for beneficial use.Reclaimed water is not the same as greywater which is untreated, non-toilet, andhousehold water including water from sinks, showers, and baths.Type I reclaimed water is defined as use of reclaimed water where contactbetween humans and the reclaimed water is likely. Examples include landscapeirrigation at individual homes or on public golf courses, fire protection, toilet orurinal flushing, and irrigation of pastures for milking animals.Klotz Associates Project No. 0972.000.000January 201014-15Caldwell 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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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
Page 108 and 109: TABLE 10-4Estimated Loadings from U
Page 110 and 111: Klotz Associates Project No. 0972.0
Page 112 and 113: The proposed GBRA Mid-Basin Project
Page 114 and 115: 11.1.3 Lower Guadalupe Water Supply
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Page 118 and 119: An ASR is a viable solution. Ground
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Page 122 and 123: SECTION 12REGIONAL WATER PLANNING12
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 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
Page 172 and 173: the environment. Funding for the pr
Page 174 and 175: the watershed organizations should
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Page 178 and 179: Mid-Basin Project and associated fa
Page 180: C O N S U L T I N G E N G I N E E R
Page 191 and 192: APPENDIX B
Page 193 and 194: APPENDIX B0 / ?% '(0 ;6 ) , 6
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Page 201 and 202: C O N S U L T I N G E N G I N E E R
Page 203 and 204: C O N S U L T I N G E N G I N E E R
Page 205 and 206: State WellNumber6702902670290567029
Page 207 and 208: State WellNumber6703804670380567038
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State WellNumber6705702670570367058
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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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