This is a list of dams in Idaho that have been removed as physical impediments to free-flowing rivers or streams.
Completed removals
| Dam[1] | Height | Year removed | Location | Watercourse | Watershed | Notes |
|---|---|---|---|---|---|---|
| Cove Dam | 26 ft (7.9 m) | 2006 | Grace 42°31′55″N 111°47′46″W / 42.532°N 111.796°W |
Bear River | Bear River | Hydropower dam owned by PacifiCorp. |
| Dip Creek Dam | Ketchum 43°45′14″N 114°22′55″W / 43.754°N 114.382°W |
Dip Creek | Big Wood River | |||
| Lindernam Dam | 26 ft (7.9 m) | Fremont County 43°45′44″N 116°27′36″W / 43.7622°N 116.46°W |
Milk Creek | Boise River | ||
| Lewiston Dam | 45 ft (14 m) | 1973 | Lewiston 46°26′01″N 116°57′32″W / 46.4335°N 116.959°W |
Clearwater River | Clearwater River | |
| Grangeville Dam (Harpster Dam) | 56 ft (17 m) | 1963 | Idaho County 45°54′32″N 116°00′29″W / 45.9089°N 116.0080°W |
South Fork Clearwater River | This 440 ft (130 m) long arched concrete hydroelectric dam was constructed by the Washington Water Power Company in 1911. A wooden fish ladder had been installed but it collapsed in 1949. The dam was removed in the interest of fish passage and since the hydropower facilities had become obsolete. The dam was destroyed by dynamite at 6:35 PM on August 19, 1963, following two prior detonations that day which had failed to collapse the structure.[2] At the time, the dam was the largest ever to be removed, a record which stood for decades.[3] | |
| Dutch Flat Dam | 10 ft (3.0 m) | 2013 | Troy 46°44′34″N 116°47′06″W / 46.7428°N 116.785°W |
West Fork Little Bear Creek | Drinking water reservoir dam owned by the City of Troy. | |
| Unnamed ford (Road 5440) | 2009 | Clearwater National Forest 46°45′48″N 115°05′13″W / 46.7633°N 115.087°W |
Independence Creek | |||
| Lane Dam | Boundary County 48°39′48″N 116°17′49″W / 48.6632°N 116.297°W |
Elkhorn Gulch | Kootenai River | |||
| Timber Creek Dam | 1970 | Salmon–Challis National Forest 44°34′50″N 113°27′59″W / 44.5805°N 113.4665°W |
Middle Fork Little Timber Creek | Lemhi River | ||
| Pancheri Diversion Dam | 2010 | Howe 44°07′10″N 113°14′49″W / 44.1194°N 113.247°W |
Little Lost River | Little Lost River | ||
| High Plains Estates | 16 ft (4.9 m) | 2013 | Eagle 43°46′09″N 116°27′33″W / 43.7691°N 116.4593°W |
Tributary to Farmers Union Canal | Payette River | |
| Browns Pond - Cruzen | 25 ft (7.6 m) | McCall 44°54′52″N 115°58′48″W / 44.9144°N 115.9799°W |
Lake Fork | |||
| Malony Lake Dam | 1986 | Payette National Forest 44°52′31″N 115°54′09″W / 44.8753°N 115.9025°W |
South Fork Lake Fork | |||
| Colburn Mill Pond Dam | 12 ft (3.7 m) | 1999 | Sandpoint 48°24′24″N 116°31′44″W / 48.4068°N 116.529°W |
Colburn Creek | Pend Oreille River | |
| Red Ives Dam | 5 ft (1.5 m) | 2021 | Shoshone County 47°03′28″N 115°20′32″W / 47.0577°N 115.3421°W |
Red Ives Creek | Saint Joe River | Dam was built to provide hydropower for a U.S. Forest Service ranger station. |
| Buster Lake Dam | 29 ft (8.8 m) | Challis 44°26′19″N 114°25′01″W / 44.4387°N 114.417°W |
Garden Creek | Salmon River | ||
| Sunbeam Dam | 1931 | Sawtooth National Forest 44°16′14″N 114°44′10″W / 44.2706°N 114.7362°W |
Salmon River | |||
| Kshmitter Dam | 1988 | Tributary to John Day Creek | ||||
| Hoffman Duffy Dam | 9.5 ft (2.9 m) | 2014 | Mountain Home 43°11′11″N 115°35′20″W / 43.1865°N 115.589°W |
Tributary to Rattlesnake Creek | Snake River | Livestock pond dam. |
| Kunkel Dam | 1994 | Twin Falls 42°13′36″N 114°31′27″W / 42.2266°N 114.5241°W |
Soldier Creek | |||
| Watts Lake Dam | Nez Perce County 43°55′40″N 111°23′09″W / 43.9277°N 111.3859°W |
Hatwai Creek | Teton River | |||
| Packsaddle Dam | 40 ft (12 m) | 1916 | Tetonia 43°46′13″N 111°20′22″W / 43.7704°N 111.3394°W |
North Fork Packsaddle Creek |
References
- ↑ Rivers, American (13 February 2023). "American Rivers Dam Removal Database". Figshare. American Rivers. doi:10.6084/m9.figshare.5234068.v10. Retrieved 25 August 2023.
- ↑ Winter, Brian D. (April 1990). "A Brief Review of Dam Removal Efforts in Washington, Oregon, Idaho and California" (PDF). National Oceanic and Atmospheric Administration. Retrieved 8 September 2023.
- ↑ McCully, Patrick (1996). "Getting Old: Dam Aging and Decommissioning". International Rivers. Zed Books. Retrieved 8 September 2023.
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