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

Round Butte Dam
Location	Jefferson County, Oregon, USA
Coordinates	44°36′11″N 121°16′40″W
Opening date	1964[1]
Construction cost	$62 million
Operator(s)	Portland General Electric Co[1]
Dam and spillways
Impounds	Deschutes River
Height	440 feet (130 m)[1]
Length	1,450 feet (442 m)[1]
Width (base)	1,570 feet (480 m)
Reservoir
Creates	Lake Billy Chinook
Total capacity	535,000 acre-feet (0.660 km3)[1]
Catchment area	7,514 square miles (19,500 km2)[1]
Surface area	4,000 acres (16.2 km2)[1]
Power Station
Installed capacity	367 MW

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

The dam was completed in 1965 after three years of construction. More than 10 million tons of earth-fill were used to create this 440-foot tall, 1,320-foot wide, and 1,570-foot thick at the base storage dam.[2]

See also

• List of lakes in Oregon

References

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