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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.

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Name State County Height (ft) Hazard Condition Year Purpose
Bailey Mine Fresh Water Imp Pennsylvania Greene 164 High Satisfactory 1984 Grade Stabilization
Union Village Dam Vermont Orange 164 High Not Available 1950 Flood Risk Reduction
Sumner Dam New Mexico De Baca 164 High Not Available 1937 Flood Risk Reduction
Littleville Dam Massachusetts Hampden 164 High Not Available 1965 Flood Risk Reduction
Rector Creek California Napa 164 High Satisfactory 1946 Water Supply
Matilija California Ventura 163 High Poor 1949 Other
Hawks Nest West Virginia Fayette 163 High Satisfactory 1936 Hydroelectric
Senac Colorado Arapahoe 163 High Satisfactory 1990 Water Supply
R. L. Harris Alabama Randolph 163 High Satisfactory 1983 Hydroelectric
Sugar Loaf Dam Colorado Lake 162 High Not Available 1968 Irrigation
Lahontan Dam Nevada Churchill 162 High Not Available 1915 Flood Risk Reduction
Mahoning Creek Dam Pennsylvania Armstrong 162 High Not Available 1941 Flood Risk Reduction
Poway California San Diego 162 High Satisfactory 1971 Water Supply
Taylorsville Dam Kentucky Spencer 162 High Not Available 1983 Flood Risk Reduction
Crawford Dam Colorado Delta 162 High Not Available 1962 Irrigation
Steinaker Dam Utah Uintah 162 High Not Available 1961 Irrigation
Vega Dam Colorado Mesa 162 High Not Available 1959 Irrigation
North San Gabriel Dam Texas Williamson 162 High Not Available 1980 Flood Risk Reduction
Sutherland California San Diego 162 High Satisfactory 1954 Other
Kingsley Nebraska Keith 162 High Fair 1941 Hydroelectric
Mark Edson California El Dorado 162 High Satisfactory 1962 Water Supply
Vallecito Dam Colorado La Plata 162 High Not Available 1941 Fish and Wildlife Pond
Lower Sunshine Wyoming Park 162 High Fair 1972 Irrigation
Echo Dam Utah Summit 161 High Not Available 1931 Flood Risk Reduction
McGee Creek Dam Oklahoma Atoka 161 High Not Available 1968
Barrett California San Diego 161 High Poor 1922 Water Supply
Red Fleet Dam Utah Uintah 161 High Not Available 1980 Fish and Wildlife Pond
Cuchillo-Negro Dam New Mexico Sierra 161 High Satisfactory 1991 Flood Risk Reduction
Juncal California Santa Barbara 160 High Satisfactory 1930 Other
Dequeen Dam - Saddle Dike C Arkansas Sevier 160 High Not Available 1977 Flood Risk Reduction
Boone Dam Tennessee Washington 160 High Not Available 1952 Flood Risk Reduction
Wells Washington Chelan 160 High Poor 1968 Hydroelectric
Upper Sunshine Wyoming Park 160 High Fair 1942 Irrigation
Dequeen Dam - Saddle Dike A Arkansas Sevier 160 High Not Available 1977 Flood Risk Reduction
Garvey Reservoir California Los Angeles 160 High Satisfactory 1954 Water Supply
Willow Creek Dam Oregon Morrow 160 High Not Available 1982 Flood Risk Reduction
River View Slurry Lake 02i Kentucky Union 160 High Not Available — Tailings
San Antonio Dam California San Bernardino 160 High Not Available 1956 Flood Risk Reduction
Dequeen Dam Arkansas Sevier 160 High Not Available 1977 Flood Risk Reduction
Linville North Carolina Burke 160 High Satisfactory 1919 Hydroelectric
Paintsville Dam Kentucky Johnson 160 High Not Available 1980 Flood Risk Reduction
Skookumchuck Washington Thurston 160 High Satisfactory 1970 Hydroelectric
Cobbs Creek Regional Water Supply Dam (Main Dam A) Virginia Cumberland 160 High Not Rated — Water Supply
Buckhorn Dam Kentucky Perry 160 High Not Available 1960 Flood Risk Reduction
Gillham Dam Arkansas Howard 160 High Not Available 1975 Flood Risk Reduction
Dequeen Dam - Saddle Dike E Arkansas Sevier 160 High Not Available 1977 Flood Risk Reduction
Squaw Creek Dam Texas Somervell 159 High Not Rated 1977 Recreation
Westlake Reservoir California Los Angeles 158 High Satisfactory 1972 Water Supply
Bonny Dam Colorado Yuma 158 High Not Available 1951 Flood Risk Reduction
Horsetooth Dam Colorado Larimer 158 High Not Available 1949 Irrigation

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.