Little Goose Dam
Little Goose Dam: The dam is 2,655 feet long with an effective height of 98 feet. It is located at the head of Lake West, the reservoir formed by Lower Monumental Dam. The dam is the concrete gravity type, with an earthfill right abutment embankment. It includes a navigation lock with clear dimensions of 86 by 675 feet; and an eight-bay spillway that is 512 feet long and has eight 50-foot by 60-foot tainter gates.
Lake Bryan: Lake Bryan lies directly behind Little Goose Dam. It extends about 37.2 miles up the Snake River, until it reaches Lower Granite Dam. It lies at elevation 638, and has a surface area of 10,025 acres.
Powerhouse: The powerhouse has six 135,000-kilowatt units. Power generated through September 1996 was 73.18 billion kilowatt hours.