Box Canyon Dam (Washington)

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Box Canyon Dam
Box Canyon Dam WA Aerial.jpg
Location Pend Oreille County, Washington
Coordinates 48°46′49″N 117°24′45″W / 48.78028°N 117.41250°W / 48.78028; -117.41250 [1]
Construction began 1952[2]
Opening date 1956[2]
Operator(s) Pend Oreille PUD[3]
Dam and spillways
Impounds Pend Oreille River
Height 62 ft (19 m)[2]
Length 160 ft (49 m)[2]
Reservoir
Total capacity 60,000 acre feet (74,000,000 m3)[3]
Catchment area 24,900 sq mi (64,490 km²)[3]
Surface area 5 acres (20,000 m²)[3]
Power station
Installed capacity 62 MW[2]

Box Canyon Dam is a gravity-type hydroelectric dam on the Pend Oreille River, in northeastern Washington state in the United States.

It has a capacity of 69 MW and an average expected production of 52 MW. The reservoir extends 55 miles (89 km). The dam is 160 feet (49 m) wide and 62.4 feet (19.0 m) high at the top of the gates. The maximum head of water is 46 feet (14 m). It produces power using four Kaplan turbines.

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