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

Round Butte Dam
LocationJefferson County, Oregon, U.S.
Coordinates44°36′11″N 121°16′40″W / 44.60306°N 121.27778°W / 44.60306; -121.27778
Opening date1964[1]
Construction cost$62 million
Operator(s)Portland General Electric Co[1]
Dam and spillways
ImpoundsDeschutes River
Height440 feet (130 m)[1]
Length1,450 feet (442 m)[1]
Width (base)1,570 feet (480 m)
Reservoir
CreatesLake Billy Chinook
Total capacity535,000 acre-feet (0.660 km3)[1]
Catchment area7,514 square miles (19,500 km2)[1]
Surface area4,000 acres (16.2 km2)[1]
Power Station
Installed capacity367 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

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References

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  1. ^ a b c d e f g Round Butte Dam Archived 2012-03-12 at the Wayback Machine, NPDP Dam Directory
  2. ^ Binus, Joshua (2005). "Round Butte Dam, 1965". The Oregon History Project. Retrieved 2022-06-21.