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<br />Water Conservation Plan <br />for the <br />City of San Marcos, Texas <br /> <br />1.0 Introduction <br /> <br />The objectives of the City of San Marcos Water Conservation Plan (the Plan) are to <br />improve efficiency of water use and to decrease per capita consumption in order to provide <br />additional water supplies for future growth. Projections for the San Marcos area indicate that by <br />2026 current water supplies will be insufficient to meet the needs of a rapidly growing <br />population (Figure 1). To address future water needs the City is investigating several water <br />supply strategies including purchase of additional ground water rights, conservation of existing <br />water resources, and reuse of existing resources. The City of San Marcos Water Supply Master <br />Plan and South Central Texas (Region L) Water Planning Group have identified conservation of <br />existing resources as the number one water management strategy for San Marcos and the south <br />central Texas region. <br />The City of San Marcos currently utilizes both surface and ground water resources to <br />meet its water needs. The majority of the water, about seventy percent, is obtained from Canyon <br /> <br /> 30,000 <br />~ I 0 Demand with NO Conservation or Reuse I <br />... <br />Q) 25,000 <br />Q) <br />LL <br />I <br />Q) 20,000 <br />s- <br />CJ <br /><( <br />~ <br />-c 15,000 <br />c: current~... <br />co <br />E Supplies <br />Q) 1 0,000 <br />C <br />s- <br />Q) <br />... 5,000 <br />co <br />3: <br /> <br />o <br />2000 2005 2010 2015 2020 2025 2030 2035 2040 2045 2050 2055 2060 <br /> <br />Year <br /> <br />Figure 1: Water demand versus water supply. <br />