Lower Granite Dam
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Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. Lower Granite Lock and Dam is a hydroelectric concrete gravity dam on the Snake River, and bridges Whitman County and Garfield County, in the U.S. state of Washington. The dam is located 22 miles south of the town of Colfax, and 35 miles north of Pomeroy. Construction began in July 1965. The main structure and three generators were completed in 1972, with an additional three generators finished in 1979. Generating capacity is 810 megawatts, with an overload capacity…mehr

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Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. Lower Granite Lock and Dam is a hydroelectric concrete gravity dam on the Snake River, and bridges Whitman County and Garfield County, in the U.S. state of Washington. The dam is located 22 miles south of the town of Colfax, and 35 miles north of Pomeroy. Construction began in July 1965. The main structure and three generators were completed in 1972, with an additional three generators finished in 1979. Generating capacity is 810 megawatts, with an overload capacity of 932 MW. The spillway has eight gates and is 512 feet long. Lower Granite Dam is part of the Columbia River Basin system of dams. It was built and is operated by the United States Army Corps of Engineers. Power generated is distributed by the Bonneville Power Administration. Lower Granite Lake, which extends 39-miles east to Lewiston, Idaho, is formed behind the dam. Lake Bryan, formed fromLittle Goose Dam, runs 37 miles downstream from the base of the dam. Lower Granite Dam is the most upstream dam in the Snake River system that has fish ladders to allow adult salmon and steelhead to migrate upstream.