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' <br />� <br />Hydrology and Water Rights <br />� The augmentation decree provides water in the amount required and at the time <br />needed to replace depletions by The Stagestop Filings #1 and #2. This requires the <br />' release of water either through direct flow out of Old House Creek or through the <br />augmentation storage reservoirs on Old House Creek. During the irrigation season <br />there will be up to 7.5 acre-feet of water consumptively used by the subdivision, and <br />� during the non-irrigation season, there will be up to 9.1 acre-feet of water <br />consumptively used. Since historically the Crosier Ditch did not take water for <br />irrigation from October 1 through April 30, and since the subdivision uses water <br />' during that time, a portion of the original right was changed to a storage right. The <br />stored water is released at the direction of the State Engineer to offset the ongoing <br />winter depletion period. The reservoirs are approximately 2.0 surface acres with an <br />� average depth of 6 feet, and having a capacity of 12.5 acre-feet. The augmentation <br />decree and the State Engineer Diversion records for 1982 through 2008 are found in <br />Appendix C. <br />� <br />Water Supply Demands <br />, The Stagestop subdivision currently has 199 active wells. The growth rate over the <br />past 4 years has been 3— 4 new wells per year. At this rate it could take up to 75 <br />� years for there to be wells on each of the 500 residential lots. The water <br />augmentation decree allows for every lot in the subdivision to have a well. Therefore <br />there is no projected water supply deficit within the loan period. <br />' <br />' <br />, <br />LJ <br />� <br />� <br />� <br />' Stagestop Augmentation Reservoirs <br />Rehabilitation Feasibility Study <br />May 2010 <br />r <br />