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
Smoky Canyon No 2 Idaho Caribou 108 Significant Satisfactory 1992 Tailings
Devils Gate California Los Angeles 108 High Satisfactory 1920 Flood Risk Reduction
Long Lake Crescent Washington Lincoln 108 High Satisfactory 1915 Hydroelectric
Trabuco California Orange 108 High Satisfactory 1984 Water Supply
Lake Marburg Pennsylvania York 107 High Satisfactory 1967 Other
Russell Creek Reservoir Dam Georgia - 107 High Satisfactory -
Lake Arrowhead Dam Georgia Cherokee 107 High Satisfactory 1974 Recreation
Rocky River Main Dam Connecticut Litchfield 107 High Satisfactory 1929 Hydroelectric
Morony Dam Montana Cascade 107 High Satisfactory 1929 Hydroelectric
Jeffrey Energy Center- Make Up Lake Dam Kansas Pottawatomie 107 High Satisfactory 1977 Other
Maloney California Contra Costa 107 High Satisfactory 1960 Water Supply
Great Falls-Dearborn Main and Headworks Spillways South Carolina Chester 107 Low Satisfactory 1907 Hydroelectric
Elmwood Tailings Dam Tennessee Smith 107 Significant Satisfactory 1974 Tailings
Frye Mesa Arizona Graham 107 High Satisfactory 1929 Water Supply
Upper North River #77 Virginia Augusta 107 High Satisfactory 1966 Flood Risk Reduction
Two Buttes Colorado Baca 106 High Satisfactory 1908 Recreation
Lake Julian Dam North Carolina Buncombe 106 High Satisfactory 1962 Hydroelectric
London Mills Tailings Pond Dam Tennessee Polk 106 Low Satisfactory 1944
Main Pls Arizona Pinal 106 Significant Satisfactory 2008 Other
Gold Gulch 1a Arizona Gila 106 Significant Satisfactory 1995 Flood Risk Reduction
Bair Montana Meagher 106 High Satisfactory 1939 Irrigation
Do Gypsum Florida Hamilton 105 Significant Satisfactory - Tailings
New River Dam Arizona Maricopa 105 High Satisfactory 1985 Flood Risk Reduction
Nevada Creek Dam Montana Powell 105 High Satisfactory 1938 Irrigation
Davis Creek California Yolo 105 High Satisfactory 1985 Other
Fishing Creek South Carolina Lancaster 105 High Satisfactory 1916 Hydroelectric
Sinclair Georgia Baldwin 105 High Satisfactory 1953 Hydroelectric
Lloyd Shoals Main Dam Georgia Jasper 105 High Satisfactory 1911 Hydroelectric
Live Oak Reservoir California Los Angeles 105 High Satisfactory 1975 Water Supply
Ctc Gypsum Florida Hamilton 105 Significant Satisfactory - Other
Three Creeks (Beaver) Utah Beaver 105 High Satisfactory 1949 Irrigation
Sc Gypsum Florida Hamilton 105 Significant Satisfactory - Other
Box Canyon Washington Pend Oreille 105 Low Satisfactory 1955 Hydroelectric
Dutch Flat Forebay Dam California Nevada 105 Low Satisfactory 1966 Irrigation
South Fork No. 5 Dam West Virginia Hardy 105 High Satisfactory 1965 Flood Risk Reduction
Drinkwater California Los Angeles 105 Significant Satisfactory 1923 Other
Green River Dam Vermont Lamoille 105 High Satisfactory 1947 Hydroelectric
H. Neely Henry Alabama St. Clair 104 High Satisfactory 1966 Hydroelectric
Quartz California Tuolumne 104 Low Satisfactory 1978 Water Supply
County Basin Dam Iowa Guthrie 104 Significant Satisfactory 2006
Merrill & Ring Dam Washington Snohomish 104 Significant Satisfactory 1988 Flood Risk Reduction
Brady Lake Dam Texas McCulloch 104 High Satisfactory 1963 Recreation
Genesee No. 2 Colorado Jefferson 103 High Satisfactory 2008 Water Supply
Bonneau Montana Chouteau 103 High Satisfactory 1940 Irrigation
Woodruff Creek Utah Rich 103 High Satisfactory 1970 Irrigation
Raymond Dam New Jersey Passaic 103 High Satisfactory 1928 Water Supply
Ler Franklin California Los Angeles 103 High Satisfactory 1922 Flood Risk Reduction
Stevenson Connecticut Fairfield 103 High Satisfactory 1919 Hydroelectric
Gold Camp Colorado El Paso 103 High Satisfactory 1954 Water Supply
Orange County Reservoir California Orange 103 Low Satisfactory 1941 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.