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Browse Dams

3,540 dams in the National Inventory of Dams.

National Inventory of Dams

Browse 3,540 dams from the NID database. Each record includes dam name, location, physical dimensions, hazard potential classification, condition assessment, purpose, owner information, and emergency action plan status. Use the filters below to search by state, hazard level, condition, or keyword.

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Name State County Height (ft) Hazard Condition Year Purpose
Little Bear Creek Dam Alabama Franklin 89 High Not Available 1975 Flood Risk Reduction
O'Neill Forebay Dam California Merced 88 High Not Available 1967 Hydroelectric
Union City Dam Pennsylvania Erie 88 High Not Available 1971 Flood Risk Reduction
Minidoka Dam Idaho Minidoka 88 High Not Available 1906 Fish and Wildlife Pond
Williamson Energy/Pond Creek Mine/Refuse Disposal Facility Illinois Williamson 88 High Not Available — Other
Millwood Dam Arkansas Little River 88 High Not Available 1966 Flood Risk Reduction
Gerber Dam Oregon Klamath 88 High Not Available 1925 Irrigation
Mariposa Dam California Mariposa 88 High Not Available 1948 Flood Risk Reduction
Bolivar Dam Ohio Stark 87 High Not Available 1938 Flood Risk Reduction
Nimbus Dam California Sacramento 87 High Not Available 1955 Fish and Wildlife Pond
Brea Dam California Orange 87 High Not Available 1942 Flood Risk Reduction
John Redmond Dam - Hartford Levee Kansas Coffey 87 High Not Available 1964 Flood Risk Reduction
Brea Dam - Saddle Dike 1 California Orange 87 High Not Available 1942 Flood Risk Reduction
John Redmond Dam Kansas Coffey 87 High Not Available 1964 Flood Risk Reduction
Navarro Mills Dam Texas Navarro 87 High Not Available 1963 Flood Risk Reduction
Box Butte Dam Nebraska Dawes 87 High Not Available 1946 Flood Risk Reduction
Buckhorn Dam California Trinity 87 High Not Available 1991
Wills Creek Dam Ohio Coshocton 87 High Not Available 1936 Flood Risk Reduction
Wehrspann Dam Nebraska Sarpy 87 High Not Available 1983 Flood Risk Reduction
Sugar Camp/Mine 1/Coal Refuse Disposal 1 Dam Illinois Franklin 86 High Not Available — Tailings
Agate Dam Oregon Jackson 86 High Not Available 1965 Irrigation
Slurry Lake 04i Kentucky Union 86 High Not Available — Tailings
Lake Thunderbird Dam Illinois Putnam 86 High Not Available 1970 Recreation
Tallaseehatchee Creek W/S Dam Site 4 Alabama Talladega 86 High Not Available 1982 Flood Risk Reduction
Beech Fork Dam West Virginia Wayne 86 High Not Available 1976 Flood Risk Reduction
Proctor Dam Texas Comanche 86 High Not Available 1964 Flood Risk Reduction
Flatiron Dam Colorado Larimer 86 High Not Available 1953 Hydroelectric
Upper Bear Creek Dam Alabama Marion 85 High Not Available 1978 Flood Risk Reduction
Gordon Plant Georgia Wilkinson 85 Significant Not Available — Tailings
Big Sandy Dam Wyoming Sweetwater 85 High Not Available 1952 Flood Risk Reduction
Lake Petersburg Dam Illinois Menard 85 High Not Available 1961 Recreation
Imperial Diversion Dam California Imperial 85 High Not Available 1938 Irrigation
Cherokee Dam - Saddle Dam No. 1 Tennessee Jefferson 85 High Not Available 1941 Flood Risk Reduction
Beaver Creek Dam Virginia Bristol 85 High Not Available 1965 Flood Risk Reduction
Platoro Dike Colorado Conejos 85 High Not Available 1951 Flood Risk Reduction
Conant Brook Dam Massachusetts Hampden 85 High Not Available 1966 Flood Risk Reduction
Clear Creek Dam Washington Yakima 84 High Not Available 1914 Fish and Wildlife Pond
Webbers Falls Lock and Dam Oklahoma Muskogee 84 Significant Not Available 1970 Navigation
Wildwood Lake Dam Illinois Marshall 84 High Not Available 1969 Recreation
Tom Jenkins Dam Ohio Athens 84 High Not Available 1950 Flood Risk Reduction
East Fork Lake Dam Illinois Richland 84 High Not Available 1972 Recreation
Big Creek Barrier Dam Iowa Polk 84 High Not Available 1974 Flood Risk Reduction
Jackson Lake Dam Wyoming Teton 84 High Not Available 1911 Flood Risk Reduction
Dover Dam Ohio Tuscarawas 83 High Not Available 1938 Flood Risk Reduction
Sardis Dam Oklahoma Pushmataha 83 High Not Available 1982 Flood Risk Reduction
Big Hill Dam Kansas Labette 83 High Not Available 1981 Flood Risk Reduction
Michael J. Kirwan Dam Ohio Portage 83 High Not Available 1966 Flood Risk Reduction
York Indian Rock Dam Pennsylvania York 83 High Not Available 1942 Flood Risk Reduction
Shadehill Dike 2 South Dakota Perkins 83 High Not Available 1951 Flood Risk Reduction
Harvey Run No. 2 Slurry Impoundment West Virginia Monongalia 83 High Not Available — Tailings

Frequently Asked Questions

Hazard potential is based on the consequences of dam failure, not the condition of the dam. High hazard means loss of human life is probable. Significant means economic and environmental losses are expected but no probable loss of life. Low means minimal losses are expected. The classification considers downstream population, infrastructure, and environmental resources.

Condition ratings reflect the physical state of the dam based on periodic inspections. Satisfactory means no deficiencies found. Fair means minor issues exist but no immediate action needed. Poor means safety deficiencies require remedial action. Unsatisfactory means the dam is unsafe and immediate corrective action is required.

Yes. Use the search field above to find dams by name. You can also combine the search with state, hazard, and condition filters to narrow your results. Each dam record links to a detail page with complete information.