Swift Dam

Swift Dam
Swift Dam
	Swift Dam Location within Washington (state) Swift Dam Location within the United States
Official name	Swift No. 1 Dam
Location	Skamania County, Washington, U.S.
Coordinates	46°3′47″N 122°11′52″W / 46.06306°N 122.19778°W
Opening date	1958
Operator	PacifiCorp
Dam and spillways
Impounds	Lewis River
Height	512 ft (156 m)
Length	2,100 ft (640 m)
Reservoir
Creates	Swift Reservoir
Total capacity	755,600 acre-feet (0.932 km3)
Catchment area	481 square miles (1,250 km2)
Surface area	4,620 acres (1,870 ha)
Power Station
Operator	PacifiCorp
Turbines	3x 80.0 MW
Installed capacity	240.0 MW
Annual generation	519.481 GWh

Swift Dam or Swift No. 1 is an earth-type hydroelectric dam on the Lewis River, in the U.S. state of Washington.^[2] Completed in 1958,^[2] it is located in Skamania County and its reservoir is called Swift Reservoir.

Hydroelectric power capacity

1 2 3 4 5 Swift Dam Archived 2011-07-16 at the Wayback Machine, NPDP Dam Directory
1 2 3 "Mammoth earth-fill dam completed on Lewis River". Eugene Register-Guard. Oregon. Associated Press. November 18, 1958. p. 5A.
↑ "Lewis River". PacifiCorp. Archived from the original on 4 April 2019. Retrieved 5 October 2010.
↑ "Reservoirs in the United States" (PDF). United States Geological Survey. Retrieved 20 December 2014.
1 2 3 "January 2026: EIA 860M". Preliminary Monthly Electric Generator Inventory. U.S. Energy Information Administration. Retrieved 21 March 2026.
↑ "2024: EIA-923". Form EIA-923 detailed data with previous form data. U.S. Energy Information Administration. Retrieved 21 March 2026.

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