Washington
Ice Harbor: Snake River, WA
The project consists of Ice Harbor Dam, powerhouse, navigation lock, two fish ladders, and facilities. The project provides navigation, hydroelectric generation, recreation, and incidental irrigation. View larger map
Rock Island: Columbia River, WA
The Rock Island Hydroelectric Project is located near the geographical center of Washington state on the Columbia River. Development began in January, 1930; four generating units were operational in 1933. Six additional generating units were added to the…
Alder: Nisqually River, WA
Completed in 1945, the 330-foot concrete arch Alder Dam is located on the Nisqually River, approximately 38 miles southeast of Tacoma, Washington. Alder Dam is part of the Nisqually River Hydroelectric Project.
Chandler: Yakima River, WA
The Chandler Powerplant includes two 6.0 megawatt, 4160 volt hydropower generators, and two 2,600 horsepower pumps which operate from a 10.6 mile canal, diverting up to 1,500 cubic feet per second of water from the Prosser Diversion Dam.