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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
Davis Creek California Yolo 105 High Satisfactory 1985 Other
Mckelligon Dam Texas El Paso 105 High Not Rated 1982 Flood Risk Reduction
Cochrane Montana Cascade 105 High Fair 1957 Hydroelectric
Hillsdale Dam Kansas Miami 105 High Not Available 1981 Flood Risk Reduction
Green River Dam Vermont Lamoille 105 High Satisfactory 1947 Hydroelectric
Live Oak Reservoir California Los Angeles 105 High Satisfactory 1975 Water Supply
Smithville Dam Missouri Clay 105 High Not Available 1979 Flood Risk Reduction
Council Grove Dam Kansas Morris 105 High Not Available 1964 Flood Risk Reduction
Lake Jb Thomas Dam Texas Scurry 105 High Fair 1952 Water Supply
Nevada Creek Dam Montana Powell 105 High Satisfactory 1938 Irrigation
Farnham Reservoir Dam Massachusetts Berkshire 105 High Fair 1910 Water Supply
Fishpond Lake Dam Kentucky Letcher 105 High Fair 1964 Recreation
Folsom Dike 5 California Placer 105 High Not Available 1956 Flood Risk Reduction
International Coal/Viper/North Slurry Impoundment Dam Illinois Logan 105 High Not Available — Other
Lloyd Shoals Georgia Jasper 105 High Satisfactory 1911 Hydroelectric
Davis County -Stone Creek Db Utah Davis 105 High Fair 1984 Flood Risk Reduction
Willow Creek Dam Montana Madison 105 High Poor 1938 Irrigation
John D. Milne Lake Dam Connecticut Fairfield 105 High Fair 1947 Water Supply
New River Dam Arizona Maricopa 105 High Satisfactory 1985 Flood Risk Reduction
Carite Dam Puerto Rico Guayama 104 High Poor 1913 Hydroelectric
Green Canyon Dam New Mexico Sierra 104 High Poor 1972 Flood Risk Reduction
Brady Lake Dam Texas McCulloch 104 High Satisfactory 1963 Recreation
American Falls Dam Idaho Power 104 High Not Available 1927 Flood Risk Reduction
Aquilla Dam Texas Hill 104 High Not Available 1983 Flood Risk Reduction
Newton Dam Utah Cache 104 High Not Available 1946 Irrigation
H. Neely Henry Alabama St. Clair 104 High Satisfactory 1966 Hydroelectric
J. Edward Roush Dam Indiana Huntington 104 High Not Available 1968 Flood Risk Reduction
Trout Run Pennsylvania Berks 104 High Fair 1976 Water Supply
Cottage Grove Dam Oregon Lane 103 High Not Available 1942 Flood Risk Reduction
Bonneau Montana Chouteau 103 High Satisfactory 1940 Irrigation
Melton Hill Dam Tennessee Loudon 103 High Not Available 1963 Hydroelectric
Stevenson Connecticut Fairfield 103 High Satisfactory 1919 Hydroelectric
N&S Mill Creek No. 3 Dam West Virginia Grant 103 High Fair 1982 Flood Risk Reduction
Pilarcitos California San Mateo 103 High Poor 1866 Water Supply
Magalia California Butte 103 High Poor 1918 Water Supply
Woodruff Creek Utah Rich 103 High Satisfactory 1970 Irrigation
Soda Idaho Caribou 103 High Fair 1925 Irrigation
Grenada Dam Mississippi Grenada 103 High Not Available 1954 Flood Risk Reduction
Ler Franklin California Los Angeles 103 High Satisfactory 1922 Flood Risk Reduction
Gold Camp Colorado El Paso 103 High Satisfactory 1954 Water Supply
Nimrod Dam Arkansas Perry 103 High Not Available 1942 Flood Risk Reduction
Toronto New York Sullivan 103 High Unsatisfactory 1926 Hydroelectric
Raymond Dam New Jersey Passaic 103 High Satisfactory 1928 Water Supply
Genesee No. 2 Colorado Jefferson 103 High Satisfactory 2008 Water Supply
Cedar Creek Dam Alabama Franklin 102 High Not Available 1979 Flood Risk Reduction
Lake Holiday Dam Virginia Frederick 102 High Satisfactory — Recreation
Santa Maria Colorado Mineral 102 High Satisfactory 1911 Irrigation
Cooney Montana Carbon 102 High Poor 1937 Irrigation
Mountain View Colorado Archuleta 102 High Satisfactory 2000 Water Supply
Big Beaver Colorado Rio Blanco 102 High Fair 1964 Fish and Wildlife Pond

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.