Browse Dams

92,766 dams in the National Inventory of Dams.

National Inventory of Dams

Browse 92,766 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
Magmont Tailings Dam Missouri Iron 135 High Satisfactory 1979 Tailings
Laprele Wyoming Converse 135 High Unsatisfactory 1909 Irrigation
Quabbin Goodnough Dike Massachusetts Hampshire 135 High Satisfactory 1938 Water Supply
Pit No. 3 Diversion California Shasta 135 High Satisfactory 1925 Hydroelectric
Wild Creek Pennsylvania Carbon 135 High Fair 1941 Water Supply
Laurel Creek Pennsylvania Mifflin 135 High Fair 1972 Water Supply
Salinas Dam California San Luis Obispo 135 High Not Available 1941 Water Supply
Lake Almanor California Plumas 135 High Fair 1927 Hydroelectric
Lewisville Dam Texas Denton 135 High Not Available 1955 Flood Risk Reduction
Round Valley North Dam New Jersey Hunterdon 135 High Satisfactory 1961 Water Supply
Swinging Bridge New York Sullivan 135 High Fair 1930 Hydroelectric
Pol41 Florida Polk 135 Undetermined Not Rated - Tailings
Hidden Valley Lake Dam Indiana Dearborn 135 High Satisfactory 1973 Recreation
Kinzua Upper Reservoir Dike Pennsylvania Warren 135 High Satisfactory 1970 Hydroelectric
Benbrook Dam Texas Tarrant 134 High Not Available 1951 Flood Risk Reduction
St. Joe State Park Dam Missouri St. Francois 134 High Satisfactory 1965 Tailings
Cowans Ford North Carolina Mecklenburg 134 High Satisfactory 1963 Hydroelectric
Sheridan Lake South Dakota Pennington 134 High Not Rated 1939 Recreation
Centralia Coal Mine Dam No 3c North Washington Lewis 134 Significant Satisfactory 1987 Tailings
Twin Buttes Dam Texas Tom Green 134 High Not Available 1963 Flood Risk Reduction
North Fork Reservoir Dam North Carolina Buncombe 134 High Fair 1954 Water Supply
Fortune Colorado Jefferson 134 High Satisfactory 2001 Water Supply
Red River Lock and Dam 3 Louisiana Natchitoches 134 Significant Not Available 1991 Navigation
Sherman Dam Nebraska Sherman 134 High Satisfactory 1962 Irrigation
Old River Louisiana Concordia 134 High Not Rated 1990 Hydroelectric
Enders Dam Nebraska Chase 134 High Not Available 1951 Irrigation
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
Grindstone Canyon Dam New Mexico Lincoln 133 High Fair 1987 Water Supply
Lloyd`S Lake (Monticello) Utah San Juan 133 High Satisfactory 1984 Irrigation
Salamonie Dam Indiana Wabash 133 High Not Available 1966 Flood Risk Reduction
Nolan Run Slurry Impoundment West Virginia Harrison 133 High Not Available - Tailings
Camino California El Dorado 133 Low Satisfactory 1961 Hydroelectric
Townes Virginia Patrick 133 High Satisfactory 1938 Hydroelectric
Lucky Friday No 4 Idaho Shoshone 132 High Satisfactory 2010 Tailings
Westfork Main Dam Missouri Reynolds 132 High Satisfactory 1992 Tailings
Coralville Dam Iowa Johnson 132 High Not Available 1958 Flood Risk Reduction
Ute Dam New Mexico Quay 132 High Satisfactory 1963 Water Supply
Stevens Creek California Santa Clara 132 High Fair 1935 Water Supply
Carr Creek Dam Kentucky Knott 132 High Not Available 1975 Flood Risk Reduction
Sun River Diversion Dam Montana Teton 132 High Not Available 1915 Irrigation
West Point Dam Georgia Troup 132 High Not Available 1974 Hydroelectric
Lyons California Tuolumne 132 High Satisfactory 1930 Hydroelectric
Long Sault New York St. Lawrence 132 High Satisfactory 1958 Hydroelectric
Lafayette California Contra Costa 132 High Fair 1929 Water Supply
Rough River Dam Kentucky Grayson 132 High Not Available 1959 Flood Risk Reduction
Tom Hollow Refuse Disposal Facility Kentucky Floyd 132 High Not Available - Tailings
Meigs Mine No. 1 Slurry Impoundment Ohio Meigs 131 High Not Rated - 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.