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<br />. <br /> <br />. <br /> <br />. <br /> <br />--~(." <br />~t;;..;~ <br /> <br />surrounding areas. The total annual water use for 1969 ~as 35,700 <br />acre-feet, ~hich increased to 43,578 acre-feet in 1974. The pop- <br />ulation and number of ~ater customers increased similarly during <br />this period. <br /> <br />The city obtains its water supply from wells, drainage areas on <br />the north and south slopes of Pikes Peak, tributaries of the Blue <br />River, and tributaries of the Eagle River--the first phase of the <br />Homestake Project. Future additional water sources are phase 2 <br />of the Homestake Project, Fryingpan-Arkansas Project, and waters <br />produced by Golorado Springs' shares in the Twin Lakes Reservoir and <br />Canal Company. <br /> <br />The Pikes Peak system has a primary storage capactiy of 26,850 <br />acre-feet and an average annual yield of 13,800 acre-feet. <br /> <br />The Blue River system is located on the western slope of the <br />Continental Divide approximately 75 miles northwest of the city. <br />Water is collected from tributaries of the Blue River and diverted <br />through the Continental Divide via Hoosier Tunnel to Montgomery <br />Reservoir. The city's Blue River system intake is located at <br />Montgomery Reservoir. The system has a primary storage capacity of <br />7,300 acre-feet and an average annual yield of 10,000 acre-feet. <br /> <br />The Homestake Project is located on the western slope of the <br />Continental Divide approximately 100 miles northwest of the city. <br />The Homestake Project is a .joint project by the cities of Colorado <br />Springs and Aurora. Waters to be diverted through the Continental <br />Divide via the Homestake and Tennessee Pass Tunnels come from two <br />collection systems--Homestake and the Upper Eagle River. The <br />collection systems include diversion dams, tunnels, and 30 miles of <br />pipelines ranging in size from 30 to 84 inches in diameter. Upon <br />ultimate development the project's average annual water yield will <br />be 70,.ooG-acre feel, UL J~ acre-teet to each city. The first <br />phase of the Homestake Project has been completed, providing the <br />city of Colorado Springs with 22,800 acre-feet of storage capacity <br />and an average annual water supply of 13,000 acre-feet. The operation <br />of the Homestake Project will not change as a result of the operation <br />of the FoUntain Valley Conduit. <br /> <br />The city purchases well water from Clear Springs, Cherokee Water <br />District, and other private wells in the area. The average annual <br />yield of this source is 3,000 acre-feet. <br /> <br />II-12 <br />