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
Ctc Gypsum Florida Hamilton 105 Significant Satisfactory - Other
Mulberry (4) Florida Polk 105 Significant Not Rated - Tailings
Mulberry N Florida Polk 105 Significant Not Rated - Tailings
Fishing Creek South Carolina Lancaster 105 High Satisfactory 1916 Hydroelectric
John H. Overton Lock and Dam Louisiana Rapides 104 Significant Not Available 1987 Navigation
Green Canyon Dam New Mexico Sierra 104 High Poor 1972 Flood Risk Reduction
H. Neely Henry Alabama St. Clair 104 High Satisfactory 1966 Hydroelectric
Leatherwood Draw Dam Arkansas White 104 Low Fair - Recreation
Aquilla Dam Texas Hill 104 High Not Available 1983 Flood Risk Reduction
Quartz California Tuolumne 104 Low Satisfactory 1978 Water Supply
American Falls Dam Idaho Power 104 High Not Available 1927 Flood Risk Reduction
Carr Creek Dam Sediment Dam 3 - Defeated Creek Kentucky Knott 104 Low Not Available 1975 Other
Cotter Tailings Colorado Fremont 104 Low Not Rated 1980 Tailings
Carr Creek Dam Sediment Dam 2 - Littcarr Kentucky Knott 104 Low Not Available 1975 Other
Trout Run Pennsylvania Berks 104 High Fair 1976 Water Supply
Newton Dam Utah Cache 104 High Not Available 1946 Irrigation
County Basin Dam Iowa Guthrie 104 Significant Satisfactory 2006
Carite Dam Puerto Rico Guayama 104 High Poor 1913 Hydroelectric
Davis County - Millcreek Db #3 Utah Davis 104 Significant Not Rated 1983 Flood Risk Reduction
60th Street Stormwater Detention Dam Washington Snohomish 104 Significant Satisfactory 1988 Flood Risk Reduction
Brady Lake Dam Texas McCulloch 104 High Satisfactory 1963 Recreation
J. Edward Roush Dam Indiana Huntington 104 High Not Available 1968 Flood Risk Reduction
Gold Camp Colorado El Paso 103 High Satisfactory 1954 Water Supply
Grenada Dam Mississippi Grenada 103 High Not Available 1954 Flood Risk Reduction
Ler Franklin California Los Angeles 103 High Satisfactory 1922 Flood Risk Reduction
Westrock #1 Embankment Dam Virginia Alleghany 103 Undetermined Fair - Other
Main Stack Florida Hillsborough 103 Significant Not Rated 1989 Tailings
Orange County Reservoir California Orange 103 Low Satisfactory 1941 Water Supply
Bonneau Montana Chouteau 103 High Satisfactory 1940 Irrigation
Nimrod Dam Arkansas Perry 103 High Not Available 1942 Flood Risk Reduction
N&S Mill Creek No. 3 Dam West Virginia Grant 103 High Fair 1982 Flood Risk Reduction
Toronto New York Sullivan 103 High Unsatisfactory 1926 Hydroelectric
Soda Dam Idaho Caribou 103 High Satisfactory 1925 Irrigation
Pilarcitos California San Mateo 103 High Poor 1866 Water Supply
Woodruff Creek Utah Rich 103 High Satisfactory 1970 Irrigation
Magalia California Butte 103 High Poor 1918 Water Supply
Genesee No. 2 Colorado Jefferson 103 High Satisfactory 2008 Water Supply
Raymond Dam New Jersey Passaic 103 High Satisfactory 1928 Water Supply
Cottage Grove Dam Oregon Lane 103 High Not Available 1942 Flood Risk Reduction
London Locks and Dam West Virginia Kanawha 103 Significant Not Available 1934 Navigation
Melton Hill Dam Tennessee Loudon 103 High Not Available 1963 Hydroelectric
Stevenson Connecticut Fairfield 103 High Satisfactory 1919 Hydroelectric
Drum Afterbay Dam California Placer 102 Low Fair 1968 Hydroelectric
New Creek Dam No.16 West Virginia Mineral 102 High Satisfactory 1960 Flood Risk Reduction
Big Beaver Colorado Rio Blanco 102 High Fair 1964 Fish and Wildlife Pond
Santa Monica Debris Basin California Santa Barbara 102 High Satisfactory 1978 Debris Control
Arcadia Dam Oklahoma Oklahoma 102 High Not Available 1986 Flood Risk Reduction
Randleman Dam North Carolina Randolph 102 High Fair 2002 Recreation
Lucky Friday No 3 Idaho Shoshone 102 Significant Fair 1979 Tailings
Mountain View Colorado Archuleta 102 High Satisfactory 2000 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.