Gem State Dam

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Gem State Dam
Gem State Dam is located in Idaho
Gem State Dam
Location of Gem State Dam in Idaho
Location Bonneville County, Idaho
Coordinates 43°25′15″N 112°6′7″W / 43.42083°N 112.10194°W / 43.42083; -112.10194Coordinates: 43°25′15″N 112°6′7″W / 43.42083°N 112.10194°W / 43.42083; -112.10194
Opening date 1988[1]
Operator(s) City of Idaho Falls[1]
Dam and spillways
Impounds Snake River
Height 40 ft (12 m)[1]
Reservoir
Total capacity 6,700 acre feet (8,300,000 m3)[1]
Catchment area 9,800 sq mi (25,382 km²)[1]
Surface area 305 acres (1.23 km²)[1]
Power station
Installed capacity 22.6 MW [2]

Gem State Dam is a concrete and rock-fill gravity dam on the Snake River, in the U.S. state of Idaho. Its location is near Idaho Falls, Idaho. The dam's primary purpose is to generate hydroelectricity, but it also provides water for irrigation agriculture.

Gem State Dam is owned and operated by the city of Idaho Falls.

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