Browse Dams

13,006 dams in the National Inventory of Dams.

National Inventory of Dams

Browse 13,006 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
Dashville Dam New York Ulster 34 Low Satisfactory 1922 Hydroelectric
Norumbega Reservoir Dike No. 2 Massachusetts Middlesex 34 Significant Satisfactory 1940 Water Supply
Hubbard Dam Nebraska Dakota 34 High Satisfactory 2004 Flood Risk Reduction
Simco Sediment Pond E-55 Dam Ohio Coshocton 34 Low Satisfactory 1989 Debris Control
Dorchester 4-A Nebraska Saline 34 Low Satisfactory 1969 Flood Risk Reduction
Wilkie Reservoir Dam New York Warren 34 High Satisfactory 1914 Water Supply
Long Pond Colorado Larimer 34 High Satisfactory 1922 Irrigation
Bear Hole Reservoir Dam Massachusetts Hampden 34 Significant Satisfactory 1957 Recreation
Chester Co. Prison Storage Lagoon Pennsylvania Chester 34 Significant Satisfactory — Other
Buffalo Creek Gs-14 Nebraska Sarpy 34 Low Satisfactory 1982 Other
Potomac Club Regional Pond Dam Virginia Prince William 34 Significant Satisfactory — Flood Risk Reduction
Pine Lake #2 Dam Tennessee Lawrence 34 Significant Satisfactory 2007 Recreation
Dunwoody Lake Dam Texas Montgomery 34 Significant Satisfactory 1964 Recreation
Pomona No. 2 and No. 3 Colorado Jefferson 34 Significant Satisfactory 1972 Recreation
Redwood River Diversion Minnesota Redwood 34 Low Satisfactory 1975 Water Supply
Indian Creek Golf Course Dam 2 Nebraska Douglas 34 High Satisfactory 1996 Flood Risk Reduction
Dorchester 1-A Nebraska Saline 34 Significant Satisfactory 1966 Flood Risk Reduction
Ketchikan Lakes Alaska Ketchikan Gateway Borough 34 High Satisfactory 1957 Hydroelectric
Big Indian Creek 12-A Nebraska Gage 34 Significant Satisfactory 1964 Flood Risk Reduction
Cumberland Lake #2 Dam Tennessee Cumberland 34 Low Satisfactory 1990
Rhead Ranch Idaho Elmore 34 Low Satisfactory 1974 Irrigation
Hico Creek Dam Tennessee Carroll 34 Low Satisfactory 1986
Palmer Brook Dam Massachusetts Berkshire 34 High Satisfactory 1968 Recreation
Brownell Creek 4-1 Nebraska Otoe 34 Low Satisfactory 1955 Other
Norumbega Reservoir Dike No. 3 Massachusetts Middlesex 34 Significant Satisfactory 1940 Water Supply
Hot Springs Equalization Basin Arkansas Garland 34 Low Satisfactory 1994 Other
Caples Lake Auxiliary California Alpine 34 High Satisfactory 1922 Hydroelectric
Carver Falls New York Washington 34 Low Satisfactory 1894 Hydroelectric
Upper Little Nemaha 37 Nebraska Otoe 34 Low Satisfactory 1994 Flood Risk Reduction
Jersey Wisconsin Lincoln 34 High Satisfactory 1929 Hydroelectric
Lake Louise Dam Georgia Clayton 34 High Satisfactory 1949 Recreation
Smith Reservoir Pennsylvania Erie 34 High Satisfactory 1925 Water Supply
Norumbega Reservoir Dike No. 4 Massachusetts Middlesex 34 High Satisfactory 1940 Water Supply
Clarkston Dam Michigan Oakland 34 High Satisfactory 1900 Recreation
Henry J. Mills No. 2 California Riverside 34 High Satisfactory 1996 Water Supply
Knights Creek 5 Wisconsin Dunn 34 High Satisfactory 1970 Debris Control
O'Brien Mockenhaupt Dam Nebraska Cass 34 Low Satisfactory 1981 Other
Springer Dam No. 2 New Mexico Colfax 34 High Satisfactory 1964 Water Supply
Caney Creek Wid Site 3a Arkansas White 34 Significant Satisfactory 1960 Flood Risk Reduction
Vasona Percolating California Santa Clara 34 High Satisfactory 1935 Other
Norumbega Reservoir East Dike Massachusetts Middlesex 34 High Satisfactory 1940 Water Supply
Lake Royal Dam Ohio Ross 34 Significant Satisfactory 1975 Recreation
Falling Creek Reservoir Dam Virginia Chesterfield 34 High Satisfactory — Recreation
Lake Latonka Pennsylvania Mercer 34 High Satisfactory 1966 Recreation
E.T. Mahoney S Park Dam Nebraska Cass 34 Low Satisfactory 1988 Recreation
Crozet Sportsman Club Dam Virginia Albemarle 34 Low Satisfactory 1961 Recreation
Wilson Creek 7-8 Nebraska Otoe 34 Low Satisfactory 1967 Other
Stillwater Pond Dam Connecticut Litchfield 34 High Satisfactory — Recreation
Empire (Outlet Embankment) Colorado Weld 34 High Satisfactory 1905 Fish and Wildlife Pond
Costas Lake Dam Mississippi Madison 34 High Satisfactory 1950 Recreation

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.