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i " .. ~. ( ~. . . :Upper Yampa Water ( Conservancy District -==-:.~ -~. -~-~- . ~_<....:::::;;:!:- ..5~....:'!:4;J.,.""._~-=- ~~~ L - __.::::':=:~'=... __~- -.=.0 ~ ---: ._-- STAGECOACH RESERVOIR PROJECT Some Interesting Facts The Project in Brief 1) Location The project is located 17 miles south of Steamboat Springs and 5 miles east of Oak Creek and Phippsburg on the Yampa River. The accompanying map indicates the location and plan of the reservoir. 2) Physical Facts The dam will be constructed of roller compacted concrete which is basically a low :grade concrete providing the gravity mass of the structure. The upstream and downstream surfaces of the dam are faced with conventional concrete. The dam will be 145 ft. high. The length of the crest across the narrow canyon is 360 ft. The reservoir at spillway elevation of 7200 ft. will create a lake 2.9 miles long with a surface area of 780 acres. Its total capacity at this elevation is 33,275 acre feet which has been allocated. as follows: 18,275 af as a permanent recreation pool 9,000 af for industrial use (power generation) 2,000 af for municipalities in the Yampa Valley 4,000 af for agricultural irrigation 33,275 af 3) Purposes and Needs The project was conceived in 1983 by the District when it was realized that following the 1977 drought agriculture, muni- cipalities and industry in the valley could be short of a re- liable supply of water. In this region the heavy spring runoff from the snow melt ends in mid-July. Flows in the streams drop drastically and can no longer provide the water demands of our growing com- munities. Stagecoach will provide water releases during the dry months of August, September and October to supplement the flows, thereby assuring a reliable supply. In addition, a 800 kw hydroelectric plant will generate enough electricity to furnish the towns of Oak Creek and Phippsburg. Phnnc: (303) 879.21124 Stf"'OIlllhoilt SprillClc;, Colorado A0488 0339