List of dams in the Columbia River watershed

List of dams in the Columbia River watershed
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 and its tributaries 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 Owner Name Lake formed
Mica Dam 1,805 5 British Columbia, Canada 1964 1973 BC Hydro Kinbasket Lake
Revelstoke Dam 1,980 4 B.C. 1964 1984 BC Hydro Revelstoke Lake
Keenleyside Dam 185 14 B.C. 1964 1968 BC Hydro Raised Arrow Lakes
Grand Coulee Dam 6,809 1 Washington, USA 1933 1942 USBR Franklin D. Roosevelt Lake, Banks Lake
Chief Joseph Dam 2,620 2 WA 1946 1955 USACE Rufus Woods Lake
Wells Dam 840 12 WA 1967 Douglas PUD Lake Pateros
Rocky Reach Dam 1,287 7 WA 1956 1961 Chelan PUD Lake Entiat
Rock Island Dam 660 13 WA 1929 1933 Chelan PUD Rock Island Pool
Wanapum Dam 1,038 9 WA 1959 1963 Grant PUD Lake Wanapum
Priest Rapids Dam 955 11 WA 1950 1961 Grant PUD Priest Rapids Lake
McNary Dam 980 10 between WA and Oregon 1941 1954 USACE Lake Wallula
John Day Dam 2,160 3 between WA and OR 1958 1971 USACE Lake Umatilla
The Dalles Dam 1,780 6 between WA and OR 1960 USACE Lake Celilo
Bonneville Dam 1,050 8 between WA and OR 1937 USACE 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 693 1962 USACE Lake Sacajawea
Lower Monumental 100 ft (30.5 m) Navigation, hydroelectric 932 1969 USACE Lake Herbert G. West
Little Goose 98 ft (29.9 m) Navigation, hydroelectric 932 1970 USACE Lake Bryan
Lower Granite 100 ft (30.5 m) Navigation, hydroelectric 932 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 27.7 1906 Bureau of Reclamation Lake Walcott Minidoka Project.
American Falls 103.5 ft (31.5 m) Irrigation, hydroelectric 112 1927, replaced 1978 Bureau of Reclamation American Falls Reservoir Minidoka Project.
Gem State 40 ft (12.2 m) Hydroelectric, irrigation 24 1988 City of Idaho Falls
Jackson Lake 65 ft (19.8 m) Irrigation N/A 1916, upgraded 1989 Bureau of Reclamation Jackson Lake Minidoka Project.
Total 4,766

Pend Oreille-Clark Fork–Flathead

Name Height Purpose(s) Capacity (MW) Year Owner name Reservoir name Comments
Pend Oreille
Waneta Dam 249 feet (76 m) Hydroelectric 450 MW 1954 Teck Cominco
Seven Mile Dam 213 feet (65 m) Hydroelectric 848 MW 1979 BC Hydro
Boundary Dam 340 feet (100 m) Hydroelectric 1,050 MW 1967 Seattle City Light
Box Canyon Dam 62.4 feet (19.0 m) Hydroelectric 69 MW Pend Oreille Public Utility District
Albeni Falls Dam 90 feet (27 m) Hydroelectric 55 MW 1955 USACE
Clark Fork
Cabinet Gorge Dam 111 feet (34 m) Hydroelectric 231 MW 1953 Avista Corp.
Noxon Rapids Dam 179 feet (55 m) Hydroelectric 466 MW 1960 Avista Corp.
Flathead
Kerr Dam 205 feet (62 m) Hydroelectric 196 MW 1938 PPL/Tribal Flathead Lake Raised Flathead Lake 10 feet (3.0 m) over its natural level
Hungry Horse Dam 564 feet (172 m) Hydroelectric, flood control, irrigation 428 MW 1953 Bureau of Reclamation Hungry Horse Reservoir On South Fork Flathead River
Total 3,735 MW

Kootenai River

Name Height Purpose(s) Capacity (MW) Year Owner name Reservoir name Comments
Brilliant Dam 140 feet (43 m) Hydroelectric 265 1944 Columbia Power Corporation
Kootenay Canal Hydroelectric 572 1975 BC Hydro
South Slocan Dam 60 feet (18 m) Hydroelectric 53 1928 FortisBC
Lower Bonnington Falls Dam Hydroelectric 49.5 1925 FortisBC
Upper Bonnington Falls Dam Hydroelectric 62 1907 FortisBC
Corra Linn Dam Hydroelectric, flood control, storage 44 1932 FortisBC Kootenay Lake
Libby Dam 422 feet (129 m) Hydroelectric, flood control, storage 600 1975 USACE Lake Koocanusa Columbia River Treaty
Total 1,645.5

See also

References

External links


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