This is a list of dams and reservoirs in the U.S. state of Idaho.
Name | River | Type | Height | Reservoir | Capacity | Capacity | Owner | Built | ||
---|---|---|---|---|---|---|---|---|---|---|
Ft | m | acre.ft | km3 | MW | ||||||
Albeni Falls Dam | Pend Oreille River | Concrete gravity | 90feet | Lake Pend Oreille | 1153000acre feet | ? | USACE | 1955 | ||
Alexander Dam | Bear River | Concrete gravity | 94feet | Alexander Reservoir | 15760acre feet | 14 | PacifiCorp | 1925 | ||
American Falls Dam | Snake River | Concrete gravity | 94feet | American Falls Reservoir | 1671300acre feet | 112 | USBR | 1978 | ||
Anderson Ranch Dam | South Fork Boise River | Earthfill | 456feet | Anderson Ranch Reservoir | 503500acre feet | 40 | USBR | 1950 | ||
Black Canyon Diversion Dam | Payette River | Concrete gravity | 183feet | Black Canyon Reservoir | 31200acre feet | 10 | USBR | 1924 | ||
Arrowrock Dam | Boise River | Concrete arch | 350feet | Arrowrock Reservoir | 300850acre feet | 0 | USBR | 1915 | ||
Blackfoot Dam | Blackfoot River | Earthfill | 55feet | Blackfoot Reservoir | 417000acre feet | 0 | Idaho Bureau of Indian Affairs | 1911 | ||
Bliss Dam | Snake River | Concrete gravity | 70feet | Bliss Reservoir | 11000acre feet | 75 | Idaho Power | 1950 | ||
Brownlee Dam | Snake River | Earthfill | 420feet | Brownlee Reservoir | 1426700acre feet | 585.4 | Idaho Power | 1958 | ||
C. J. Strike Dam | Snake River | Earthfill | 115feet | C. J. Strike Reservoir | 247000acre feet | 82.8 | Idaho Power | 1952 | ||
Cabinet Gorge Dam | Clark Fork | Concrete arch | 111feet | Cabinet Gorge Reservoir | 106000acre feet | 231 | Avista Utilities | 1953 | ||
Cascade Dam | North Fork Payette River | Earthfill | 107feet | Lake Cascade | 693100acre feet | 12.4 | USBR | 1948 | ||
Cedar Creek Dam | Cedar Creek | Earthfill | 84feet | Cedar Creek Reservoir | 30000acre feet | 0 | Cedar Mesa Canal & Reservoir Co. | 1920 | ||
Crane Creek Dam | Crane Creek | Earthfill | 55feet | Crane Creek Reservoir | 56800acre feet | ? | Crane Creek Reservoir Administrative Board | 1912 | ||
Deadwood Dam | Deadwood River | Concrete arch | 165feet | Deadwood Reservoir | 154000acre feet | 0 | USBR | 1931 | ||
Dworshak Dam | North Fork Clearwater River | Concrete gravity | 717feet | Dworshak Reservoir | 3468000acre feet | 460 | USACE | 1973 | ||
Fish Creek Dam | Fish Creek | Concrete multiple arch | 88feet | Fish Creek Reservoir | 12743acre feet | 0 | Carey Valley Reservoir Co. | 1923 | ||
Hells Canyon Dam | Snake River | Concrete gravity | 330feet | Hells Canyon Reservoir | 188000acre feet | 391 | Idaho Power | 1967 | ||
Island Park Dam | Henrys Fork | Earthfill | 94feet | Island Park Reservoir | 135205acre feet | 0 | USBR | 1939 | ||
Little Camas Dam | Little Camas Creek | Earthfill | 44feet | Little Camas Reservoir | 18400acre feet | 0 | Mountain Home Irrigation District | 1912 | ||
Little Wood River Dam | Little Wood River | Earthfill | 169feet | Little Wood River Reservoir | 33300acre feet | 3 | USBR | 1939 | ||
Lucky Peak Dam | Boise River | Earthfill | 340feet | Lucky Peak Lake | 307000acre feet | 101 | USACE | 1955 | ||
Mackay Dam | Big Lost River | Earthfill | 67feet | Mackay Reservoir | 45000acre feet | 0 | Big Lost River Irrigation District | 1918 | ||
Magic Dam | Big Wood River | Earthfill | 128feet | Magic Reservoir | 195000acre feet | 9 | Magic Reservoir Hydroelectric, Inc. | 1910 | ||
McArthur Lake | Deep Creek | Earthfill | McArthur Lake | Idaho Fish and Game | 1942 | |||||
Milner Dam | Snake River | Rockfill | 73feet | Milner Lake | 36300acre feet | 58.3 | Milner Dam, Inc. | 1905 | ||
Minidoka Dam | Snake River | Earthfill/concrete | 86feet | Lake Walcott | 210200acre feet | 28 | USBR | 1906 | ||
Mormon Dam | McKinney Creek | Earthfill | 23feet | Mormon Reservoir | 19280acre feet | 0 | Twin Lakes Reservoir & Irrigation Co. | 1908 | ||
Oakley Dam | Goose Creek | Earthfill | 139feet | Lower Goose Creek Reservoir | 76000acre feet | 0 | Oakley Canal Co. | 1916 | ||
Oneida Dam | Bear River | Concrete gravity | 102feet | Oneida Narrows Reservoir | 11400acre feet | 30 | PacifiCorp | 1913 | ||
Paddock Valley Dam | Little Willow Creek | Earthfill | 43feet | Paddock Valley Reservoir | 36400acre feet | 0 | Little Willow Irrigation District | 1949 | ||
Ririe Dam | Willow Creek | Earthfill | 253feet | Ririe Reservoir | 100500acre feet | 0 | USBR | 1977 | ||
Oxbow Dam | Snake River | Rockfill | 175feet | Oxbow Reservoir | 58200acre feet | 190 | Idaho Power | 1961 | ||
Palisades Dam | Snake River | Earthfill | 270feet | Palisades Reservoir | 1200000acre feet | 176.5 | USBR | 1957 | ||
Post Falls Dam | Spokane River | Concrete gravity | 57.8feet | Coeur d'Alene Lake | 225000acre feet | 14.75 | Avista Utilities | 1906 | ||
Priest Lake Dam | Priest River | Concrete gravity | 8feet | Priest Lake | 143000acre feet | ? | Idaho Department of Water Resources | 1978 | ||
Sage Hen Dam | Sage Hen Creek | Earthfill | 38feet | Sage Hen Reservoir | 5210acre feet | 0 | Squaw Creek Irrigation Company | 1938 | ||
Salmon Falls Dam | Salmon Falls Creek | Concrete arch | 217feet | Salmon Falls Creek Reservoir | 230650acre feet | 0 | Salmon River Canal Co. | 1911 |