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Browse Dams

16,894 dams in the National Inventory of Dams.

National Inventory of Dams

Browse 16,894 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
Magmont Tailings Dam Missouri Iron 135 High Satisfactory 1979 Tailings
Swinging Bridge New York Sullivan 135 High Fair 1930 Hydroelectric
Hidden Valley Lake Dam Indiana Dearborn 135 High Satisfactory 1973 Recreation
Toledo Bend Louisiana Sabine 135 High Satisfactory 1966 Hydroelectric
Round Valley North Dam New Jersey Hunterdon 135 High Poor 1961 Water Supply
Quabbin Goodnough Dike Massachusetts Hampshire 135 High Satisfactory 1938 Water Supply
Watres Pennsylvania Lackawanna 135 High Satisfactory 1925 Water Supply
Ocoee No. 1 Dam Tennessee Polk 135 High Not Available 1911 Flood Risk Reduction
Balch Diversion California Fresno 135 High Satisfactory 1927 Hydroelectric
Wild Creek Pennsylvania Carbon 135 High Fair 1941 Water Supply
Kinzua Upper Reservoir Dike Pennsylvania Warren 135 High Satisfactory 1970 Hydroelectric
Lake Almanor California Plumas 135 High Fair 1927 Hydroelectric
Lake Hemet California Riverside 135 High Satisfactory 1895 Water Supply
Pit No. 3 Diversion California Shasta 135 High Satisfactory 1925 Hydroelectric
Glen Anne Dam California Santa Barbara 135 High Not Available 1953 Irrigation
Salinas Dam California San Luis Obispo 135 High Not Available 1941 Water Supply
Laprele Wyoming Converse 135 High Unsatisfactory 1909 Irrigation
Belews Creek Active Ash Basin Dam North Carolina Stokes 135 High Fair 1971 Tailings
Fena Dam Guam Guam 135 High Fair 1950 Water Supply
Lewisville Dam Texas Denton 135 High Not Available 1955 Flood Risk Reduction
Laurel Creek Pennsylvania Mifflin 135 High Fair 1972 Water Supply
North Fork Reservoir Dam North Carolina Buncombe 134 High Satisfactory 1954 Water Supply
Old River Louisiana Concordia 134 High Not Rated 1990 Hydroelectric
Benbrook Dam Texas Tarrant 134 High Not Available 1951 Flood Risk Reduction
Fortune Colorado Jefferson 134 High Satisfactory 2001 Water Supply
Enders Dam Nebraska Chase 134 High Not Available 1951 Irrigation
Cowans Ford North Carolina Mecklenburg 134 High Satisfactory 1963 Hydroelectric
Sherman Dam Nebraska Sherman 134 High Satisfactory 1962 Irrigation
Sheridan Lake South Dakota Pennington 134 High Not Rated 1939 Recreation
Twin Buttes Dam Texas Tom Green 134 High Not Available 1963 Flood Risk Reduction
St. Joe State Park Dam Missouri St. Francois 134 High Satisfactory 1965 Tailings
Crystal Creek Colorado El Paso 133 High Fair 1934 Water Supply
Ragged Mountain Dam Virginia Albemarle 133 High Satisfactory — Water Supply
Elgo Arizona Graham 133 High Poor 1979 Recreation
Mountain Park Dam Oklahoma Kiowa 133 High Not Available 1975 Water Supply
Nolan Run Slurry Impoundment West Virginia Harrison 133 High Not Available — Tailings
Townes Virginia Patrick 133 High Satisfactory 1938 Hydroelectric
Grindstone Canyon Dam New Mexico Lincoln 133 High Fair 1987 Water Supply
Salamonie Dam Indiana Wabash 133 High Not Available 1966 Flood Risk Reduction
Lloyd`S Lake (Monticello) Utah San Juan 133 High Satisfactory 1984 Irrigation
Lyons California Tuolumne 132 High Satisfactory 1930 Hydroelectric
Lafayette California Contra Costa 132 High Fair 1929 Water Supply
Sun River Diversion Dam Montana Teton 132 High Not Available 1915 Irrigation
Coralville Dam Iowa Johnson 132 High Not Available 1958 Flood Risk Reduction
West Point Dam Georgia Troup 132 High Not Available 1974 Hydroelectric
Long Sault New York St. Lawrence 132 High Satisfactory 1958 Hydroelectric
Lucky Friday No 4 Idaho Shoshone 132 High Satisfactory 2010 Tailings
Ute Dam New Mexico Quay 132 High Satisfactory 1963 Water Supply
Rough River Dam Kentucky Grayson 132 High Not Available 1959 Flood Risk Reduction
Westfork Main Dam Missouri Reynolds 132 High Satisfactory 1992 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.