Browse Dams

12,906 dams in the National Inventory of Dams.

National Inventory of Dams

Browse 12,906 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
Iroquois New York St. Lawrence 72 Significant Satisfactory 1958 Hydroelectric
Atlanta-Fulton Reservoir #1 Dam Georgia Fulton 72 High Satisfactory 1960 Water Supply
Deer Lake California Napa 72 High Satisfactory 1958 Water Supply
Lipps Lake Dam Missouri Cape Girardeau 72 High Satisfactory 1973 Recreation
Laurel Hill Lake Dam Tennessee Lawrence 72 Significant Satisfactory 1970
Critzer Dam Kansas Linn 72 High Satisfactory 2006 Flood Risk Reduction
Sycamore Valley Lake Dam Missouri St. Charles 72 High Satisfactory 2012
Ninety Nine Islands South Carolina Cherokee 72 High Satisfactory 1909 Hydroelectric
Mineral Point #1 Missouri Washington 72 High Satisfactory 1968 Tailings
Lake Glen Dam Connecticut New Haven 72 High Satisfactory 1907 Water Supply
Patterson Creek #50 Dam West Virginia Mineral 72 High Satisfactory 1990 Flood Risk Reduction
Harvey Place California Alpine 72 High Satisfactory 1989 Water Supply
Upper Grave No.1 West Virginia Marshall 72 High Satisfactory 1959 Flood Risk Reduction
Autumn Lake Dam Missouri Jefferson 72 High Satisfactory 1981 Recreation
Rocky River Canal Dike Connecticut Litchfield 72 High Satisfactory 1902 Hydroelectric
W Fork Pt Remove Creek Wid Site 18 Arkansas Franklin 71 Low Satisfactory 1967 Flood Risk Reduction
Lee Arizona Graham 71 High Satisfactory 1981 Flood Risk Reduction
Lake Granada Dam Arkansas Saline 71 Low Satisfactory 2002 Recreation
Blackwood Creek 12-A Nebraska Hayes 71 Low Satisfactory 1988 Flood Risk Reduction
Elysian California Los Angeles 71 High Satisfactory 1943 Water Supply
Ward Creek California Alameda 71 High Satisfactory 1963 Flood Risk Reduction
Patterson Creek No.46 West Virginia Mineral 71 High Satisfactory 1965 Flood Risk Reduction
Cleveland Brook Reservoir Dam Massachusetts Berkshire 71 High Satisfactory 1949 Water Supply
Middle Fork Interbay California Placer 71 Low Satisfactory 1966 Irrigation
Comanche Peak Safe Shutdown Dam Texas Somervell 71 Low Satisfactory 1979 Other
Harmon Creek No. 2 Dam West Virginia Brooke 71 High Satisfactory 1973 Flood Risk Reduction
Lon Hagler Colorado Larimer 71 High Satisfactory 1967 Irrigation
Beaver Creek Dam Virginia Henry 71 High Satisfactory - Water Supply
Lone Star Lake Kansas Douglas 71 High Satisfactory 1939 Recreation
Itafos Tailings Pond #4 Idaho Caribou 71 Significant Satisfactory 1985 Tailings
Bayou Loco Dam Texas Nacogdoches 71 High Satisfactory 1977 Water Supply
Indian Creek California Alpine 71 High Satisfactory 1967 Water Supply
Indian Lake Pennsylvania Somerset 71 High Satisfactory 1964 Recreation
Panhandle Colorado Larimer 71 High Satisfactory 1971 Irrigation
Stony Creek Dam #10 Virginia Shenandoah 71 High Satisfactory - Flood Risk Reduction
Newtown Hoffman Site 12e Dam New York Chemung 71 High Satisfactory 1989 Flood Risk Reduction
Marlin Run No. 1 West Virginia Pocahontas 71 High Satisfactory 1961 Flood Risk Reduction
Novato Creek California Marin 71 High Satisfactory 1951 Other
Moose Hill Reservoir Dam Massachusetts Worcester 71 High Satisfactory 1980 Flood Risk Reduction
Little Dalton Debris Basin California Los Angeles 71 High Satisfactory 1960 Debris Control
Waubonsie Cr. Watershed Site 11-1 Iowa Mills 71 Significant Satisfactory 1977 Flood Risk Reduction
Nspc Stage 2 Tailings Minnesota St. Louis 70 Significant Satisfactory 1978 Tailings
York Bldg Products Settling Pond 12 Maryland Cecil 70 Significant Satisfactory 2004 Tailings
Lake Panorama Dam Iowa Guthrie 70 Significant Satisfactory 1969 Recreation
Black Tailings Dam Missouri Washington 70 High Satisfactory 1943 Tailings
Thomas Hill Reservoir Dam Missouri Randolph 70 High Satisfactory 1966 Flood Risk Reduction
Lower Two Medicine Montana Glacier 70 High Satisfactory 1967 Irrigation
Slate Creek Dam California Plumas 70 Low Satisfactory 1961 Hydroelectric
Covington Las Holding Dam Georgia Newton 70 High Satisfactory 2003 Water Supply
Stevenot California Calaveras 70 Low Satisfactory 1987 Water Supply

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.