The Culmback Dam (also known as the George Culmback Dam or the Snoqualmie National Forest Dam) is a large rockfill hydroelectric and water supply dam on the Sultan River a tributary of the Skykomish River in Washington. Built in 1965 the dam is 640 feet (200 m) long at the crest and 262 feet (80 m) high. Its reservoir Spada Lake provides water for 70 to 75 percent of Snohomish County and the powerhouse downstream of the dam produces 112 megawatts.
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length (km)
195.072
building start year
1960-01-01T00:00:00+02:00
elevation (μ)
441.96
height (cm)
79.8576
vastest lake
Culmback_Dam__1
location
Snohomish County Washington, Washington (state)
opening year
1965-01-01T00:00:00+02:00
operator
Everett Washington, Snohomish County Public Utility District
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