List of dams in the Columbia River watershed

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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 and its tributaries in North America.
(Listed in order from the headwaters, to the Pacific Ocean)

Mainstream Columbia dams[edit]

Name Capacity (MW) Location Date authorized Date completed Owner Name Lake formed
Mica Dam 1,805 British Columbia, Canada 1964 1973 BC Hydro Kinbasket Lake
Revelstoke Dam 2,480 British Columbia, Canada 1964 1984 BC Hydro Revelstoke Lake
Keenleyside Dam 185 British Columbia, Canada 1964 1968 BC Hydro Raised Arrow Lakes
Grand Coulee Dam 6,809 Washington, USA 1933 1942-1974 USBR Franklin D. Roosevelt Lake, Banks Lake
Chief Joseph Dam 2,620  " 1946 1955 USACE Rufus Woods Lake
Wells Dam 840  " 1967 Douglas PUD Lake Pateros
Rocky Reach Dam 1,287  " 1956 1961 Chelan PUD Lake Entiat
Rock Island Dam 660  " 1929 1933 Chelan PUD Rock Island Pool
Wanapum Dam 1,038  " 1959 1963 Grant PUD Lake Wanapum
Priest Rapids Dam 955  " 1950 1961 Grant PUD Priest Rapids Lake
McNary Dam 980 between WA and Oregon 1941 1954 USACE Lake Wallula
John Day Dam 2,160  " 1958 1971 USACE Lake Umatilla
The Dalles Dam 1,780  " 1952 1957 USACE Lake Celilo
Bonneville Dam 1,218  " 1937 USACE Lake Bonneville
Total 24,817 Columbia River

Snake River[edit]

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 25[1] 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
Palisades 270 ft (82 m) Irrigation, Hydroelectric 176.6 1957 Bureau of Reclamation Palisades Reservoir Palisades Project
Jackson Lake 65 ft (19.8 m) Irrigation N/A 1916, upgraded 1989 Bureau of Reclamation Jackson Lake Minidoka Project.
Total 4,942.6

Pend Oreille-Clark Fork–Flathead[edit]

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 Resources
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. Cabinet Gorge Reservoir
Noxon Rapids Dam 179 feet (55 m) Hydroelectric 466 MW 1960 Avista Corp. Noxon Reservoir
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

Kootenay River[edit]

Name Height Purpose(s) Capacity (MW) Year Owner name Reservoir name Comments
Libby Dam 422 feet (129 m) Hydroelectric, flood control, storage 600 1975 USACE Lake Koocanusa Columbia River Treaty
Duncan Dam Flood control, storage 1967 BC Hydro Duncan Lake Duncan River, flows into Kootenay Lake
Corra Linn Dam 52 feet (16 m) Hydroelectric, flood control, storage 44 1932 FortisBC Kootenay Lake raised lake 2m
Kootenay Canal 276 feet (84 m) Hydroelectric 572 1975 BC Hydro  " see Corra Linn Dam
Upper Bonnington Falls Dam Hydroelectric 62 1907 FortisBC  "
Lower Bonnington Falls Dam Hydroelectric 49.5 1925 FortisBC  "
South Slocan Dam 60 feet (18 m) Hydroelectric 53 1928 FortisBC  "
Brilliant Dam 140 feet (43 m) Hydroelectric 265 1944 Columbia Power Corporation  "
Total 1,645.5

See also[edit]

References[edit]

  1. ^ "Swan Falls Power Plant". Idaho Power. Retrieved 5 February 2014. 

External links[edit]