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Browse Dams

92,625 dams in the National Inventory of Dams.

National Inventory of Dams

Browse 92,625 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.

Name State County Height (ft) Hazard Condition Year Purpose
Hanna Dam Virginia Alleghany 152 Undetermined Not Rated —
Ice House Main California El Dorado 152 High Fair 1959 Hydroelectric
Carson City Treated Effluent Dam Nevada Carson City 152 High Fair — Other
Vail California Riverside 152 High Fair 1949 Water Supply
Wilson Dam Kansas Russell 152 High Not Available 1964 Flood Risk Reduction
Loveland Water Storage Colorado Larimer 152 High Satisfactory 1977 Water Supply
Belden Forebay California Plumas 152 High Fair 1958 Hydroelectric
Muskingum River Upper Fly Ash Dam Ohio Washington 152 High Fair 1975 Tailings
Ward Impoundment (Lower) Dam West Virginia Kanawha 152 Significant Satisfactory — Tailings
Scoggins Dam Oregon Washington 151 High Not Available 1975 Irrigation
Eleven Mile Canyon Colorado Park 151 High Satisfactory 1932 Water Supply
Cowanesque Dam Pennsylvania Tioga 151 High Not Available 1980 Flood Risk Reduction
Little Panoche Detention California Fresno 151 High Not Available 1966 Flood Risk Reduction
Penn Forest Pennsylvania Carbon 151 High Satisfactory 1998 Water Supply
Kootenai Dvlpmnt Impoundment Dam Montana Lincoln 151 High Poor 1980 Other
San Justo Dam California San Benito 151 High Not Available 1987 Irrigation
Monksville Dam New Jersey Passaic 150 High Satisfactory 1986 Water Supply
Apalachia Dam North Carolina Cherokee 150 High Not Available 1943 Hydroelectric
Nambe Falls Dam New Mexico Santa Fe 150 High Not Available 1976 Fish and Wildlife Pond
Bartletts Ferry, Main Dam Georgia Harris 150 High Poor 1926 Hydroelectric
Mountain Park East Dike Oklahoma Kiowa 150 High Not Available 1975 Flood Risk Reduction
Arbuckle Dam Oklahoma Murray 150 High Not Available 1966 Flood Risk Reduction
Little River South Carolina Oconee 150 High Satisfactory 1969 Hydroelectric
Langdale Georgia Harris 150 Low Satisfactory 1924 Hydroelectric
Pactola Dike 2 South Dakota Pennington 150 High Not Available 1956 Flood Risk Reduction
Lick Branch Refuse Dam Kentucky Perry 150 High Not Available — Tailings
Chatuge Dam North Carolina Clay 150 High Not Available 1942 Flood Risk Reduction
Stagecoach Colorado Routt 150 High Satisfactory 1988 Water Supply
Harris Branch Slurry Dam Kentucky Perry 150 High Not Available — Water Supply
Cagles Mill Dam Indiana Putnam 150 High Not Available 1953 Flood Risk Reduction
Ab-Bc Arizona Pinal 150 High Not Available — Tailings
Thorpe North Carolina Jackson 150 High Satisfactory 1941 Hydroelectric
R. W. Matthews California Trinity 150 High Satisfactory 1962 Water Supply
Jemez Canyon Dam New Mexico Sandoval 150 High Not Available 1953 Flood Risk Reduction
Jerry Creek #2 Colorado Mesa 150 High Satisfactory 1978 Water Supply
Sugar Camp Branch Coal Refuse Impoundment West Virginia Nicholas 150 High Not Rated 2006 Tailings
Midas Dam Tailings Storage Facility Ph V Nevada Elko 150 Significant Poor 1998 Tailings
Knightville Dam Massachusetts Hampshire 150 High Not Available 1941 Flood Risk Reduction
Dixiana Mine Dam Virginia Wise 150 Undetermined Not Rated — Water Supply
Sawpit California Los Angeles 150 High Satisfactory 1927 Flood Risk Reduction
Catawba North Carolina Burke 150 High Satisfactory 1919 Hydroelectric
Watts Bar Dam Tennessee Meigs 150 High Not Available 1942 Flood Risk Reduction
Rob Roy Wyoming Albany 150 High Fair 1986 Water Supply
Pea Ridge Tailings Dam Missouri Washington 150 High Satisfactory 1980 Tailings
Getchell Mine Tailings Dam Nevada Humboldt 150 Low Not Rated — Tailings
D Tailings Arizona Pinal 150 Significant Not Available — Tailings
East Branch Colorado Grand 150 Significant Satisfactory 1971 Water Supply
James Creek Diversion Dam Nevada Eureka 150 High Fair 1985 Flood Risk Reduction
Savage California San Diego 149 High Poor 1919 Water Supply
Ler Crystal Springs California San Mateo 149 High Satisfactory 1888 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.