Little Goose Dam | |
---|---|
Location in Washington | |
Country | United States |
Location | Columbia / Whitman counties, Washington |
Coordinates | 46°35′13″N 118°01′41″W / 46.587°N 118.028°W |
Construction began | June 1963 |
Opening date | 1970 |
Operator(s) | U.S. Army Corps of Engineers |
Dam and spillways | |
Type of dam | Concrete-gravity, run-of-the-river |
Height | 98 ft (30 m) |
Length | 2,655 ft (809 m) |
Elevation at crest | 643 ft (196 m) AMSL |
Spillway type | Service, gate-controlled |
Reservoir | |
Creates | Lake Bryan |
Total capacity | 516,300 acre⋅ft (0.637 km3)[1] |
Surface area | 10,025 acres (40.57 km2) |
Power Station | |
Turbines | 6 units x 135–153 MW (181,000–205,000 hp) |
Installed capacity | 932 MW (1,250,000 hp) |
Little Goose Lock and Dam is a hydroelectric, concrete, run-of-the-river dam in the northwest United States, on the lower Snake River in southeast Washington. At the dam, the river is the border between Columbia and Whitman counties;[2] it is nine miles (14 km) northeast of Starbuck and 25 miles (40 km) north of Dayton.