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Browse Dams

12,547 dams in the National Inventory of Dams.

National Inventory of Dams

Browse 12,547 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
Icon Materials Pond 4 Washington King 140 High Fair 1997 Water Supply
Sweetwater Lake Dam Indiana Brown 140 High Fair 1965 Recreation
Mountain Island North Carolina Gaston 140 High Fair 1923 Hydroelectric
Robert Lee Dam Texas Coke 140 High Fair 1969 Water Supply
Caneadea Dam New York Allegany 140 High Fair 1929 Recreation
T. Howard Duckett Dam Maryland Howard 139 High Fair 1953 Water Supply
Hazel Creek W/S Str. #12 Georgia Habersham 139 High Fair 1962 Flood Risk Reduction
Scott California Lake 138 High Fair 1921 Hydroelectric
Cooper Dev - Pinopolis Dam South Carolina Berkeley 138 High Fair 1942 Flood Risk Reduction
Ash Creek Utah Washington 138 High Fair 1960 Irrigation
Huffaker Effluent Storage Reservoir Dam Nevada Washoe 138 High Fair 1992 Other
Costilla Dam New Mexico Taos 138 High Fair 1920 Irrigation
Ash Basin No 2 Pennsylvania Snyder 136 High Fair 1955 Other
Willow Creek Montana Big Horn 136 High Fair 1941 Irrigation
Wild Creek Pennsylvania Carbon 135 High Fair 1941 Water Supply
Fena Dam Guam Guam 135 High Fair 1950 Water Supply
Laurel Creek Pennsylvania Mifflin 135 High Fair 1972 Water Supply
Swinging Bridge New York Sullivan 135 High Fair 1930 Hydroelectric
Belews Creek Active Ash Basin Dam North Carolina Stokes 135 High Fair 1971 Tailings
Lake Almanor California Plumas 135 High Fair 1927 Hydroelectric
Grindstone Canyon Dam New Mexico Lincoln 133 High Fair 1987 Water Supply
Crystal Creek Colorado El Paso 133 High Fair 1934 Water Supply
Lafayette California Contra Costa 132 High Fair 1929 Water Supply
Stevens Creek California Santa Clara 132 High Fair 1935 Water Supply
Burton Georgia Rabun 129 High Fair 1927 Hydroelectric
Piney Pennsylvania Clarion 129 High Fair 1924 Hydroelectric
Des Arc Bayou Wid Site 3 Arkansas White 128 Significant Fair 1979 Recreation
Salt Lake County Chandler Drive (#13) Utah Salt Lake 128 High Fair 1977 Flood Risk Reduction
Soda Springs Oregon Douglas 127 High Fair 1952 Hydroelectric
Chili Bar California El Dorado 126 High Fair 1964 Hydroelectric
Cutler Utah Box Elder 126 High Fair 1927 Irrigation
Ritschard Colorado Grand 126 High Fair 1995 Irrigation
Mc Lellan Colorado Arapahoe 125 High Fair 1964 Water Supply
Conn Creek California Napa 125 High Fair 1946 Water Supply
Manitou Colorado El Paso 124 High Fair 1971 Water Supply
Lake Lure Dam North Carolina Rutherford 124 High Fair 1927 Hydroelectric
Easton Reservoir Dam Connecticut Fairfield 123 High Fair 1926 Water Supply
South Fork No. 2 Dam West Virginia Hardy 123 High Fair 1962 Flood Risk Reduction
Isabella Fresh Water Pennsylvania Fayette 122 Significant Fair — Grade Stabilization
Lost Creek California Butte 122 High Fair 1924 Hydroelectric
Oxford North Carolina Alexander 122 High Fair 1928 Hydroelectric
South Fork No. 1 Dam West Virginia Hardy 122 High Fair 1963 Flood Risk Reduction
Texas Basin Idaho Owyhee 121 High Fair 1979 Irrigation
Maggie Creek Dam Nevada Elko 121 High Fair 1992 Flood Risk Reduction
Englewood Dam Ohio Montgomery 121 High Fair 1922 Flood Risk Reduction
Tiger Creek Afterbay California Amador 120 High Fair 1931 Hydroelectric
Champion Creek Dam Texas Mitchell 120 High Fair 1959 Recreation
Cordry Lake Dam Indiana Brown 120 Significant Fair 1969
Fawn Mine #91 Refuse Impoundment Pennsylvania Butler 120 High Fair — Other
Yadkin Falls North Carolina Montgomery 120 High Fair 1919 Hydroelectric

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.