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Prominent dams of the Columbia River Basin. Color indicates dam ownership:      U.S. Federal government      Public Utilities      State, provincial, or local government      Private (Please note, the file linked through the image contains a much more detailed listing of tributary dams than this article.)

Hydroelectric dams on the Columbia River in North America.
(Listed in order from the headwaters, to the Pacific Ocean)

Contents

Mainstem Columbia dams

Name Capacity (MW) Rank Location Date authorized Date completed Lake formed
Mica Dam 1,805 5 British Columbia, Canada 1964 1973 Kinbasket Lake
Revelstoke Dam 1,980 4 B.C. 1964 1984 Revelstoke Lake
Keenleyside Dam 185 14 B.C. 1964 1968 Arrow Lakes
Grand Coulee Dam 6,809 1 Washington, USA 1933 1951 Franklin D. Roosevelt Lake, Banks Lake
Chief Joseph Dam 2,620 2 WA 1946 1955 Rufus Woods Lake
Wells Dam 840 12 WA 1967 Lake Pateros
Rocky Reach Dam 1,287 7 WA 1956 1961 Lake Entiat
Rock Island Dam 660 13 WA 1929 1953 Rock Island Pool
Wanapum Dam 1,038 9 WA 1959 1963 Lake Wanapum
Priest Rapids Dam 955 11 WA 1950 1961 Priest Rapids Lake
McNary Dam 980 10 between WA and Oregon 1941 1954 Lake Wallula
John Day Dam 2,160 3 between WA and OR 1958 1971 Lake Umatilla
The Dalles Dam 1,780 6 between WA and OR 1960 Lake Celilo
Bonneville Dam 1,050 8 between WA and OR 1937 Lake Bonneville
Total 24,149

Snake River

Name Height Purpose(s) Capacity (MW) Year Owner name Reservoir name Comments
Ice Harbor 208 ft (63.4 m) Navigation, hydroelectric 603 1962 USACE Lake Sacajawea
Lower Monumental 100 ft (30.5 m) Navigation, hydroelectric 810 1969 USACE Lake Herbert G. West
Little Goose 98 ft (29.9 m) Navigation, hydroelectric 810 1970 USACE Lake Bryan
Lower Granite 100 ft (30.5 m) Navigation, hydroelectric 810 1972 USACE Lower Granite Lake
Hells Canyon 330 ft (101 m) Hydroelectric 391 1967 Idaho Power Company Hells Canyon Reservoir No fish passage.
Oxbow 175 ft (53.3 m) Hydroelectric 190 1961 Idaho Power Company Oxbow Reservoir
Brownlee 420 ft (128 m) Hydroelectric 585.4 1958 Idaho Power Company Brownlee Reservoir
Swan Falls 107 ft (32.6 m) Hydroelectric 1901 Idaho Power Company
C. J. Strike 115 ft (35.1 m) Hydroelectric 82.8 1952 Idaho Power Company C. J. Strike Reservoir
Bliss 70 ft (21.3 m) Hydroelectric 1950 Idaho Power Company Mid-Snake Project.
Milner 73 ft (22.3 m) Irrigation, hydroelectric 1905 Milner Dam, Inc. Milner Lake
Minidoka 86 ft (26.2 m) Irrigation, hydroelectric 1906 Bureau of Reclamation Lake Walcott Minidoka Project.
American Falls 103.5 ft (31.5 m) Irrigation 1927, replaced 1978 Bureau of Reclamation American Falls Reservoir Minidoka Project.
Gem State 40 ft (12.2 m) Hydroelectric, irrigation 1988 City of Idaho Falls
Jackson Lake 65 ft (19.8 m) Irrigation 1916, upgraded 1989 Bureau of Reclamation Jackson Lake Minidoka Project.

See also

References

External links

Columbia River
Provinces and
states traversed		 Men sit on scattered wooden platforms surrounding a waterfall that is about 25 feet (7 meters) high and 250 feet (70 meters) wide. The men hold long poles attached to nets that are in the water.
Lists
Geology and Geography
History
Ecology and culture







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