Brownlee Dam
| Brownlee Dam | |
|---|---|
View from northeast in August 2025 | |
Brownlee Dam Location in Idaho Brownlee Dam Location in the United States | |
| Official name | Brownlee Dam |
| Country | United States |
| Location | Hells Canyon, Baker Co., Oregon / Washington Co., Idaho |
| Coordinates | 44°50′10″N 116°54′00″W / 44.836°N 116.9°W |
| Construction began | 1955 |
| Opening date | May 9, 1958 |
| Operator | Idaho Power Company |
| Dam and spillways | |
| Impounds | Snake River |
| Height | 420 feet (128 m) |
| Reservoir | |
| Creates | Brownlee Reservoir |
| Total capacity | 1,426,700 acre-feet (1.7598 km3) |
| Catchment area | 72,590 square miles (188,000 km2) |
| Surface area | 15,000 acres (61 km2) |
| Normal elevation | 2,070 feet (630 m) |
| Power Station | |
| Installed capacity | 585.4 MW |
| Annual generation | 2,406.8 GWh |
Brownlee Dam is a hydroelectric earth fill embankment dam in the western United States, on the Snake River along the Idaho-Oregon border (Washington County, Idaho in and Baker County in Oregon). In Hells Canyon at river mile 285, it impounds the Snake River in the 58-mile-long (93 km) Brownlee Reservoir.