Noxon Rapids Dam

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Noxon Rapids Dam
Noxon Reservoir.JPG
Aerial view of the reservoir and dam
Location Sanders County, Montana
Coordinates 47°57′36″N 115°44′4″W / 47.96000°N 115.73444°W / 47.96000; -115.73444 [1]
Opening date 1960[2]
Operator(s) Avista Corp.
Dam and spillways
Impounds Clark Fork
Height 179 ft (55 m)[2]
Length 5,840 ft (1,780 m)[2]
Creates Noxon Reservoir
Total capacity 400,000 acre feet (490,000,000 m3)[2]
Catchment area 21,800 sq mi (56,500 km²)[2]
Surface area 7,940 acres (32.1 km²)[2]

Noxon Rapids Dam is an earthfill gravity-type hydroelectric dam on the Clark Fork river, in the northwest part of the U.S. state of Montana.

The dam is located in the far northwest of Montana near the Idaho border. Downriver of Noxon Rapids Dam the Clark Fork is again impounded by the Cabinet Gorge Dam.

The operating capacity of Noxon Rapids Dam at full turbine flow and full pool is 466 MW.[3] The project is owned and operated by Avista.