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<br />000318 <br /> <br />\'Iater flows ,frcm Dillen Reservoir (254,036 acre-foot capacity) thrcugj:1 the 23-mile- <br />lcng Harold D. Rcbel~s Tunnel, \~ch is bored under the Continental Div~de, and is <br />discharged into the South Platte watershed for delive~; into the Denver system. <br />All significant features of the existing supply system are shOl'.'J1 on the attached <br />map. <br /> <br />Denver estimates the "safe annual yield" of its \'Jater syst.em t.c be apprc;d- <br />mat.ely 295,000 acre-feet per year of which over 90 percent is currently used. <br /> <br />FUTURE HATER NEEDS <br /> <br />Determination cf the future water requirements of the entire Denver metro- <br />politan area vall be one of the most important issues addressed in the systemvade <br />EIS. It \'all be necessary to evaluate the \'Jater requirements of the entire metro- <br />politan area as, frG~ a cumulative effects perspective, it makes little difference <br />\'mether future population growth is served by the D\'ID or other vlater supply entities. <br />Consideration is beiT'.g given to the use of the 6-county Denver Regional Council of <br />Governments (DRCOG) area as the metropolitan area for \~ch water requirements are <br />determined and for \'ihich cumulative effects that result frcm suppl~rj,ng these needs <br />are assessed. <br /> <br />Denver I S estimates for future water needs sho\', the current supply will become <br />inadequate during the 1920' s and deficits will increase in future years. These <br />estimates include projected water needs for the metropolitan cu'ea both ~athin <br />Denver I s e:dsting service area and wi thin adjacent areas which appear to have no <br />other \'/ater supply alternative. The estimated deficits are 100,000 acre-feet per <br />yecu' by the year 2000, 175,000 acre-feet per year by the year 2010, and 250,000 <br />acre-feet per year by 2020. The estimates do not include the effects of conserva- <br />tion measures designed specifically to achieve the goals of the Consent Decree <br />Foothills settlement. <br /> <br />If the goals of the Foothills settlement are fully achieved on schedule, <br />Denver's water supply \'JOuld not becane inadequate until approximately 1990 and <br />the deficit ~JOuld be approximately 150,000 acre-feet per year by the year 2020. <br /> <br />2 <br />