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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.

Clear
Name State County Height (ft) Hazard Condition Year Purpose
Standing Bear Dam Nebraska Douglas 70 High Not Available 1973 Flood Risk Reduction
Blue Springs Dam Missouri Jackson 70 High Not Available 1988 Flood Risk Reduction
Lowe Amd Impoundment West Virginia Harrison 70 High Not Available — Other
Non Potable Reservoir Dam 2 Colorado El Paso 70 High Not Available 1961 Irrigation
New Savannah Bluff Lock and Dam Georgia Aiken 70 Significant Not Available 1937 Water Supply
Whiskeytown Dike 2 California Shasta 70 High Not Available 1963 Hydroelectric
Granby Dike 2 Colorado Grand 70 High Not Available 1950 Hydroelectric
Paint Creek Dam - Dike Ohio Highland 70 High Not Available 1973
Clinch Valley Mine Tennessee Grainger 70 Significant Not Available — Tailings
Willwood Diversion Dam Wyoming Park 70 Low Not Available 1924 Irrigation
Buford Dam - Saddle Dike 3 Georgia Gwinnett 70 High Not Available 1958
Haines Canyon Debris Dam California Los Angeles 70 High Not Available 1938 Debris Control
Barre Falls Dam Massachusetts Worcester 69 High Not Available 1958 Flood Risk Reduction
San Justo Dike California San Benito 69 High Not Available 1987 Irrigation
Slurry Lake 07i Kentucky Union 69 High Not Available — Tailings
Evergreen Lake Dam Illinois Woodford 69 High Not Available 1971 Water Supply
Rocky Run Lake Dam Illinois Hancock 69 Significant Not Available 1971 Flood Risk Reduction
Soldiers Meadow Dam Idaho Nez Perce 69 High Not Available 1922 Irrigation
Wilbur D. Mills Lock and Dam Arkansas Arkansas 68 Significant Not Available 1967 Navigation
Bear Creek Dam Alabama Franklin 68 High Not Available 1969 Flood Risk Reduction
Beach City Dam Ohio Tuscarawas 68 High Not Available 1936 Flood Risk Reduction
Canton Dam Oklahoma Blaine 68 High Not Available 1948 Flood Risk Reduction
Prairie Lake Dam Illinois Cass 68 High Not Available 1999 Recreation
Shenango Dam Pennsylvania Mercer 68 High Not Available 1965 Flood Risk Reduction
Great Salt Plains Dam Oklahoma Alfalfa 68 High Not Available 1941 Flood Risk Reduction
Spring Gulch Dam Colorado Douglas 68 High Not Available 1977 Flood Risk Reduction
#6 California Monterey 68 High Not Available — Other
Carlyle Dam Illinois Clinton 68 High Not Available 1966 Flood Risk Reduction
Boise River Diversion Dam Idaho Ada 68 High Not Available 1908 Irrigation
Village of Valmeyer Dam Illinois Monroe 68 Low Not Available 1995 Flood Risk Reduction
Olmsted Locks and Dam Illinois Ballard 67 Significant Not Available 2018 Navigation
Pads Branch Slurry Impoundment Kentucky Perry 67 Low Not Available — Tailings
Deer Ridge Dam Illinois McDonough 67 Low Not Available 2000 Recreation
Silver Bay LLC Lake Dam Illinois St. Clair 67 Low Not Available 1991 Other
Senator Wash-North Dike California Imperial 67 High Not Available 1966 Hydroelectric
Marion Dam Kansas Marion 67 High Not Available 1968 Flood Risk Reduction
Glenn Cunningham Dam Nebraska Douglas 67 High Not Available 1975 Flood Risk Reduction
William Bacon Oliver Lock and Dam Alabama Tuscaloosa 67 Significant Not Available 1992 Navigation
Roza Diversion Dam Washington Kittitas 67 Low Not Available 1939 Hydroelectric
Springfield Coal/Orient 4/East Slurry Imp Illinois Williamson 66 High Not Available 1985 Other
D.O.E. Savannah River Par Pond Lower Dam South Carolina Barnwell 66 High Not Available 1959 Other
Buffumville Dam Massachusetts Worcester 66 High Not Available 1958 Flood Risk Reduction
Hopkinton Dam - Dike H-3 New Hampshire Merrimack 66 High Not Available 1962 Flood Risk Reduction
Easton Diversion Dam Washington Kittitas 66 High Not Available 1929 Irrigation
Peabody Coulterville/Gateway/Slurry Cell 5 Dam Illinois Randolph 66 Low Not Available — Other
Fresh Water Impoundment West Virginia Mingo 66 Significant Not Available — Water Supply
Aberdeen Lock and Dam Mississippi Monroe 66 Significant Not Available 1984 Navigation
Knight Hawk Coal/Praire Eagle Mine/010b Slurry Dam Illinois Perry 66 Significant Not Available 2006 Tailings
Eagle Ridge West Pond Dam Illinois Jo Daviess 66 Low Not Available 1997 Recreation
Slurry Impoundment Cfd-3 Kentucky Muhlenberg 65 Low Not Available — Water Supply

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.