Municipal
Wynoochee: Wynoochee River, WA
The Wynoochee Dam Hydroelectric Project refitted an existing U.S. Army Corp of Engineers flood control dam located on the Wynoochee River in the foothills of the Olympic Mountains in Grays Harbor County, 35 miles north of Montesano, Washington.
Mayfield: Cowlitz River, WA
Located 65 miles south of Tacoma, Washington, Mayfield Dam is part of the two-dam Cowlitz Hydroelectric Project. Construction began in 1955 and power generation began in 1963.
LaGrande: Nisqually River, WA
The LaGrande Dam is part of the Nisqually Hydroelectric Project on the Nisqually River. LaGrande Dam is downstream from Alder Dam and is located 36 miles southeast of Tacoma, Washington.