Browse Dams

16,901 dams in the National Inventory of Dams.

National Inventory of Dams

Browse 16,901 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.

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Name State County Height (ft) Hazard Condition Year Purpose
Live Oak Reservoir California Los Angeles 105 High Satisfactory 1975 Water Supply
Hillsdale Dam Kansas Miami 105 High Not Available 1981 Flood Risk Reduction
Mountain Dell Utah Salt Lake 105 High Poor 1916 Water Supply
New River Dam Arizona Maricopa 105 High Satisfactory 1985 Flood Risk Reduction
Davis Creek California Yolo 105 High Satisfactory 1985 Other
Davis County -Stone Creek Db Utah Davis 105 High Fair 1984 Flood Risk Reduction
Green River Dam Vermont Lamoille 105 High Satisfactory 1947 Hydroelectric
Haystack Dam Oregon Jefferson 105 High Not Available 1957 Irrigation
South Fork No. 5 Dam West Virginia Hardy 105 High Satisfactory 1965 Flood Risk Reduction
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
Cochrane Montana Cascade 105 High Fair 1957 Hydroelectric
Sinclair Georgia Baldwin 105 High Satisfactory 1953 Hydroelectric
John D. Milne Lake Dam Connecticut Fairfield 105 High Fair 1947 Water Supply
Dresser No.4 Dam Missouri Washington 105 High Not Rated 1975 Tailings
Farnham Reservoir Dam Massachusetts Berkshire 105 High Fair 1910 Water Supply
Lloyd Shoals Georgia Jasper 105 High Satisfactory 1911 Hydroelectric
Lake Jb Thomas Dam Texas Scurry 105 High Fair 1952 Water Supply
Nevada Creek Dam Montana Powell 105 High Satisfactory 1938 Irrigation
H. Neely Henry Alabama St. Clair 104 High Satisfactory 1966 Hydroelectric
American Falls Dam Idaho Power 104 High Not Available 1927 Flood Risk Reduction
J. Edward Roush Dam Indiana Huntington 104 High Not Available 1968 Flood Risk Reduction
Newton Dam Utah Cache 104 High Not Available 1946 Irrigation
Carite Dam Puerto Rico Guayama 104 High Poor 1913 Hydroelectric
Aquilla Dam Texas Hill 104 High Not Available 1983 Flood Risk Reduction
Green Canyon Dam New Mexico Sierra 104 High Poor 1972 Flood Risk Reduction
Brady Lake Dam Texas McCulloch 104 High Satisfactory 1963 Recreation
Trout Run Pennsylvania Berks 104 High Fair 1976 Water Supply
Genesee No. 2 Colorado Jefferson 103 High Satisfactory 2008 Water Supply
Cottage Grove Dam Oregon Lane 103 High Not Available 1942 Flood Risk Reduction
Gold Camp Colorado El Paso 103 High Satisfactory 1954 Water Supply
Bonneau Montana Chouteau 103 High Satisfactory 1940 Irrigation
Pilarcitos California San Mateo 103 High Poor 1866 Water Supply
Woodruff Creek Utah Rich 103 High Satisfactory 1970 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
Raymond Dam New Jersey Passaic 103 High Satisfactory 1928 Water Supply
Magalia California Butte 103 High Poor 1918 Water Supply
Ler Franklin California Los Angeles 103 High Satisfactory 1922 Flood Risk Reduction
Soda Idaho Caribou 103 High Fair 1925 Irrigation
Stevenson Connecticut Fairfield 103 High Satisfactory 1919 Hydroelectric
Melton Hill Dam Tennessee Loudon 103 High Not Available 1963 Hydroelectric
Grenada Dam Mississippi Grenada 103 High Not Available 1954 Flood Risk Reduction
Mountain View Colorado Archuleta 102 High Satisfactory 2000 Water Supply
Randleman Dam North Carolina Randolph 102 High Fair 2002 Recreation
Arcadia Dam Oklahoma Oklahoma 102 High Not Available 1986 Flood Risk Reduction
Cooney Montana Carbon 102 High Poor 1937 Irrigation
Big Tooth Colorado El Paso 102 High Satisfactory 1927 Water Supply
Lake Holiday Dam Virginia Frederick 102 High Satisfactory — Recreation

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.