Dworshak Dam

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High Quality Content by WIKIPEDIA articles! Dworshak Dam is a hydroelectric, concrete gravity dam in Clearwater County, Idaho, Uni...

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High Quality Content by WIKIPEDIA articles! Dworshak Dam is a hydroelectric, concrete gravity dam in Clearwater County, Idaho, United States on the North Fork Clearwater River. The dam is located 4 miles northwest of the city of Orofino, and 47 miles east of Lewiston. Originally, its name was slated to be "Bruces Eddy," but was changed to honor Henry C. Dworshak, a U.S. Senator from Idaho from 1946-62. The dam is the highest straight-axis concrete dam in the Western Hemisphere and the 22nd highest dam in the world. Only two other dams in the U.S. exceed it in height. Construction began in June 1966; the main structure was completed in 1972, with the generators coming online in 1973. Electrical generating capacity is 400 megawatts, with an overload capacity of 460 MW. There are two spillway gates. 6,500,000 cubic yards of concrete were used in the construction. Dworshak Dam is part of the Columbia River Basin system of dams. Dworshak Reservoir is formed behind the dam. The reservoir stretches 53 miles upstream.