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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
Hernandez California San Benito 124 High Satisfactory 1962 Water Supply
Cedar Creek Dam Texas Fayette 124 High Satisfactory 1977 Other
Holter Dam Montana Lewis and Clark 124 High Satisfactory 1918 Hydroelectric
Manitou Colorado El Paso 124 High Fair 1971 Water Supply
Easton Reservoir Dam Connecticut Fairfield 123 High Fair 1926 Water Supply
Melvern Dam Kansas Osage 123 High Not Available 1972 Flood Risk Reduction
South Fork No. 2 Dam West Virginia Hardy 123 High Fair 1962 Flood Risk Reduction
Lake Mission Viejo California Orange 123 High Poor 1976 Water Supply
Balsam Meadow Forebay Main California Fresno 123 High Satisfactory 1986 Hydroelectric
Elkwater Fork WS Dam West Virginia Randolph 123 High Satisfactory 2009 Water Supply
Dry Falls Dam Washington Grant 123 High Not Available 1949 Flood Risk Reduction
Cat Creek Nevada Mineral 123 High Unsatisfactory 1932 Water Supply
Henshaw California San Diego 123 High Satisfactory 1923 Water Supply
Standley Lake Colorado Jefferson 123 High Satisfactory 1913 Irrigation
Duck Creek Station Dams Illinois Fulton 123 High Not Available 1975 Other
Cottonwood Springs Dam South Dakota Fall River 123 High Not Available 1969 Flood Risk Reduction
Bucks Lake California Plumas 123 High Satisfactory 1928 Hydroelectric
South Fork No. 1 Dam West Virginia Hardy 122 High Fair 1963 Flood Risk Reduction
North Fork of Pound Dam Virginia Wise 122 High Not Available 1966 Flood Risk Reduction
Lewellyn Amd Impoundment West Virginia Marion 122 High Not Available — Other
Oxford North Carolina Alexander 122 High Fair 1928 Hydroelectric
Hammond Dam Pennsylvania Tioga 122 High Not Available 1978 Flood Risk Reduction
Fort Cobb Dam Oklahoma Caddo 122 High Not Available 1959 Flood Risk Reduction
Soulajule California Marin 122 High Satisfactory 1979 Water Supply
Lost Creek California Butte 122 High Fair 1924 Hydroelectric
Belle Fourche Dam South Dakota Butte 122 High Not Available 1911 Irrigation
Peacock Site 1a Tailings Reservoir Dm Texas Morris 121 High Not Rated 1983 Other
Englewood Dam Ohio Montgomery 121 High Fair 1922 Flood Risk Reduction
Maggie Creek Dam Nevada Elko 121 High Fair 1992 Flood Risk Reduction
Momentive Landfill #2 Dam West Virginia Tyler 121 High Satisfactory — Tailings
Keystone Dam Oklahoma Tulsa 121 High Not Available 1964 Flood Risk Reduction
Perry Dam Kansas Jefferson 121 High Not Available 1966 Flood Risk Reduction
Bully Creek Dam Oregon Malheur 121 High Not Available 1963 Flood Risk Reduction
Devil`s Kitchen Dam Illinois Williamson 121 High Satisfactory 1959 Fish and Wildlife Pond
Texas Basin Idaho Owyhee 121 High Fair 1979 Irrigation
Fairmont California Los Angeles 121 High Satisfactory 1912 Flood Risk Reduction
Plant Wansley Main Storage Lake Dam Georgia Carroll 121 High Satisfactory 1975 Water Supply
Big Creek California Tuolumne 120 High Satisfactory 1969 Water Supply
Lemolo No 1 Oregon Douglas 120 High Fair 1955 Hydroelectric
Cliffside Active Ash Basin Downstream Dam North Carolina Cleveland 120 High Satisfactory 1972 Tailings
Boonton Dam New Jersey Morris 120 High Satisfactory 1905 Water Supply
Lake Brownwood Dam Texas Brown 120 High Satisfactory 1933 Water Supply
Elizabeth Mine Tp-1 Vermont Orange 120 High Satisfactory 1958 Tailings
Holt Lock and Dam Alabama Tuscaloosa 120 High Not Available 1968 Navigation
Champion Creek Dam Texas Mitchell 120 High Fair 1959 Recreation
Tiger Creek Afterbay California Amador 120 High Fair 1931 Hydroelectric
Big Creek Dam No. 2 California Fresno 120 High Satisfactory 1917 Hydroelectric
Jamie L. Whitten Lock and Dam Mississippi Tishomingo 120 High Not Available 1983 Navigation
Milton Seaman Colorado Larimer 120 High Satisfactory 1948 Water Supply
Maple Creek Slurry Pond 1 Pennsylvania Washington 120 High Satisfactory 1973 Other

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.