Little Goose Lock and Dam

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Little Goose Dam from the north side of the Snake River

Little Goose Lock and Dam is a hydroelectric, concrete, gravity dam in Columbia and Whitman counties in the state of Washington, on the Snake River. The dam is located nine miles (14 km) northeast of the town of Starbuck, and 25 miles (40 km) north of Dayton.

Construction began in June 1963. The main structure and three generators were completed in 1970, with an additional three generators finished in 1978. Generating capacity is 810 megawatts, with an overload capacity of 932 MW. The spillway has eight gates and is 512 feet (156 m) long.

Little Goose Dam is part of the Columbia River Basin system of dams.

Looking east, Little Goose Dam with lock & fish ladder on the right (south side of the river), spillway in the middle of the dam, and the power generation between the spillway and the lock.

Lake Bryan, named for Doctor Enoch A. Bryan, is formed behind the dam. The lake stretches to the base of Lower Granite Dam, 37 miles (60 km) upstream. Lake Herbert G West, formed from Lower Monumental Dam runs 28 miles (45 km) downstream from the base of the dam.

Stats:

• Location: 46.5873693 -118.0260593
  ([46°35′14″N, 118°01′33″W])
• Altitude: 643 feet (196 m) above sea level
• Height: 98 feet (29 m)
• Length: 2,655 feet (809 m)
• Navigation lock:
• * Single-lift
• * 86 feet (26 m) wide
• * 668 feet (204 m) long
• Powerhouse
• * Six 135,000-kilowatt units

Columbia River Basin

Note: There is also a Little Goose Dam in Grand Forks County, North Dakota ([47°55′47″N, 97°50′25″W])

External links

• [Little Goose Lock & Dam @ US Army Corps of Engineers]

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