caldwell county regional water and wastewater planning study
caldwell county regional water and wastewater planning study caldwell county regional water and wastewater planning study
TABLE 10-4Estimated Loadings from Uhland Monitoring StationLoadRequired % Reduction in FlowHigh- Moist Mid Range Dry - Low TargetE.coli 65 51 26 65Nitrate 0.3 43 43Phosphorus 27 27E.coli was the consistent load that exceeded the standard in most flow conditionsat all monitoring sites. Nitrate was consistent in Dry-Low flow conditions as wasphosphorous. Phosphorus and Orthophosphorus also exceeded the standards inDry-Low flow conditions. The results correlate with the land use. The monitorednutrients are found in fertilizers and pesticides commonly used in agriculture.The initiatives in the Plum Creek Watershed Protection Plan to control thecontaminant levels and restore Plum Creek to a healthy stream segment arediscussed in Section 14. The BMP recommendations in the Plum CreekWatershed Protection Plan can be implemented in any watershed as a proactiveapproach to maintaining healthy streams and rivers.Klotz Associates Project No. 0972.000.000January 201010-8Caldwell County Regional Water and Wastewater Planning StudyFinal Report
SECTION 11WATER SUPPLY OPTIONS11.1 Regional Water PlansThe “2006 South Central Texas Regional Water Plan” (SCTRWP) represents 66water user groups that have identified water needs. The water plan details thestrategies to develop water resources to meet the needs and reduce demandsthrough conservation. The South Central Texas Region, also know as Region L, isshown in Exhibit 11-1. The exhibit illustrates the represented counties in RegionL. In this section, a closer look is given at the plans and viability of the projectsmentioned. For the purpose of this study, only the proposed plans that influencethe supply for Caldwell County are discussed.The plans and strategies in the 2006 SCTRWP that are reviewed include:• Hays Caldwell Public Utility Agency (Plumbing Plan) supply project• Lower Guadalupe Water Supply Project• Lockhart Reservoir• Recycled Water Programs• Surface water rights• Local Carrizo• Local Storage (Aquifer Storage and Recovery)• Simsboro Aquifer• Weather Modification• Rainwater Harvesting• Water Conservation.Additionally, the GBRA Mid-Basin Project, which is currently not in the 2006SCTRWP, will be discussed. The work effort to review the Mid-Basin project forthis study was sponsored by funds solely from the GBRA.Klotz Associates Project No. 0972.000.000January 201011-1Caldwell County Regional Water and Wastewater Planning StudyFinal Report
- 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
- Page 70 and 71: TABLE 6-2Planning Study Population
- Page 72 and 73: Klotz Associates Project No. 0972.0
- 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 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
- 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 122 and 123: SECTION 12REGIONAL WATER PLANNING12
- Page 124 and 125: TABLE 12-2Caldwell County Water Sup
- Page 126 and 127: Klotz Associates Project No. 0972.0
- 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 134 and 135: Klotz Associates Project No. 0972.0
- 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 144 and 145: Klotz Associates Project No. 0972.0
- 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
TABLE 10-4Estimated Loadings from Uhl<strong>and</strong> Monitoring StationLoadRequired % Reduction in FlowHigh- Moist Mid Range Dry - Low TargetE.coli 65 51 26 65Nitrate 0.3 43 43Phosphorus 27 27E.coli was the consistent load that exceeded the st<strong>and</strong>ard in most flow conditionsat all monitoring sites. Nitrate was consistent in Dry-Low flow conditions as wasphosphorous. Phosphorus <strong>and</strong> Orthophosphorus also exceeded the st<strong>and</strong>ards inDry-Low flow conditions. The results correlate with the l<strong>and</strong> use. The monitorednutrients are found in fertilizers <strong>and</strong> pesticides commonly used in agriculture.The initiatives in the Plum Creek Watershed Protection Plan to control thecontaminant levels <strong>and</strong> restore Plum Creek to a healthy stream segment arediscussed in Section 14. The BMP recommendations in the Plum CreekWatershed Protection Plan can be implemented in any <strong>water</strong>shed as a proactiveapproach to maintaining healthy streams <strong>and</strong> rivers.Klotz Associates Project No. 0972.000.000January 201010-8Caldwell County Regional Water <strong>and</strong> Waste<strong>water</strong> Planning StudyFinal Report
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