NORTHWESTERN DIVISION

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Image: U.S. Army Corps of Engineers official photograph Share
This congressionally authorized project includes a dam, navigation lock, power plant, fish ladder and appurtenant facilities. It provides navigation, hydroelectric power generation, recreation and incidental irrigation. The dam is 2,655 feet long with an effective height of about 100 feet. It is located on the Snake River near Starbuck, Wash., and upstream of Lake West, the reservoir formed by Lower Monumental Dam. It is a concrete gravity dam with an earthfill abutment embankment. It includes a navigation lock and eight-bay spillway 512 feet long, which has eight 50 feet by 60 feet tainter gates.