Round Butte Dam

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Round Butte Dam
Location Jefferson County, Oregon, USA
Coordinates 44°36′11″N 121°16′40″W / 44.60306°N 121.27778°W / 44.60306; -121.27778Coordinates: 44°36′11″N 121°16′40″W / 44.60306°N 121.27778°W / 44.60306; -121.27778[1]
Opening date 1964[2]
Construction cost $62 million
Dam and spillways
Height 440 feet (130 m)[2]
Length 1,450 feet (442 m)[2]
Base width 1,570 feet (480 m)
Impounds Deschutes River
Reservoir
Creates Lake Billy Chinook
Capacity 535,000 acre feet (0.660 km3)[2]
Catchment area 7,514 square miles (19,500 km2)[2]
Surface area 4,000 acres (16.2 km2)[2]
Power station
Installed capacity 367 MW

Round Butte Dam is a rockfill-type hydroelectric dam on the Deschutes River, in the U.S. state of Oregon.

Located in Jefferson County and owned by the power company Portland General Electric, its reservoir is called Lake Billy Chinook.

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