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<br />OIjJL <br /> <br />Water and Storage Needs Assessment <br />SECWCDIAssessment Enterprise <br />December 10, 1998 <br /> <br />District water users; projection of future populations and demands for water in the municipal <br />sector; an assessment of historic agricultural water use; assessment of water and storage needs; and <br />evaluation of potential water supply storage and management options for the District to consider. <br />The District is shown on Figure ES-I. <br /> <br />The District entities currently use an average approximately I million acre-feet (af) per year of <br />which 80 percent is for irrigation. If agricultural use is held constant, total water use in the <br />District is projected to increase to nearly 1.2 million afper year under a "high growth" scenario. <br /> <br />Key findings of the Assessment Project studies are summarized below: <br /> <br />I. District population, Figure ES-2, is expected to increase by 572,000 to 1,006,000 <br />persons, depending on whether a "base" or "high" forecast is used. Municipal <br />water demands in the District's service area are expected to be approximately <br />95,000 to 187,000 af higher than the current levels, Figure ES-3. The larger <br />incremental water demand is based on a population growth rate equivalent to 2.3 <br />percent per year. <br /> <br />2. The major municipal water supply entities in the District, and many of the smaller <br />entities, have adopted water conservation measures that meet or exceed <br />requirements established by the CWCB's Office of Water Conservation. Typical <br />conservation measures implemented in the municipal sector include water meters, <br />water-efficient fixtures and appliances, public education, water use audits, water <br />efficiency ordinances, water reuse, and other measures. The water demand <br />forecasts prepared for the Assessment Project included a reduction in future per <br />capita water use to reflect successful conservation efforts. On a District-wide basis, <br />current per capita use averages 213 gallons per capita per day (gcd); future use is <br />estimated to be 182 gcd, reflecting over ala percent reduction in per capita use. <br /> <br />3. Water resources available to municipal entities are generally adequate to meet <br />demands for the base case scenario (97,000 af of additional demand), except for <br />certain entities in the Fountain Valley and several towns West of Pueblo. <br />Approximately 21,300 af of additional water supply will be needed (under base <br />projections), unless other entities are willing to reallocate water supplies that <br />exceed their forecast needs. <br /> <br />4. For the high growth scenario (187,000 af of additional water demand), the total <br />additional water supply need is estimated to be 81,800 af, as shown in the table <br />below, primarily in Colorado Springs, the other Fountain Valley Authority (FV A) <br />entities, and several towns west of Pueblo. The Colorado Springs/FV A demands <br /> <br />m GEl Consultants, Inc. <br /> <br />-ll- <br /> <br />97411\FinaU\TEXT.A. WPD <br />