Little Goose Dam
| Little Goose Dam | |
|---|---|
From the north side of the Snake River | |
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) |
| 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; it is nine miles (14 km) northeast of Starbuck and 25 miles (40 km) north of Dayton.