Browse Dams

11,354 dams in the National Inventory of Dams.

National Inventory of Dams

Browse 11,354 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
Modesto Effluent Storage California Stanislaus 20 Significant Satisfactory 1987 Water Supply
June Lake Dam Illinois Effingham 20 Significant Not Available - Recreation
Kansas Scott 20 Significant Not Rated 1970 Fire Protection, Stock, Or ...
Partridgeville Pond Dam Massachusetts Worcester 20 Significant Satisfactory 1938 Recreation
Sydenstricker Dam Missouri Audrain 20 Significant Not Rated 1973 Irrigation
Smith Lake Dam North Carolina Cabarrus 20 Significant Fair 1951 Recreation
Ricks Lake Dam North Carolina Nash 20 Significant Fair 1963 Irrigation
Adams Pond Dam North Carolina Alexander 20 Significant Fair - Recreation
Robert E. Lee Dam North Carolina Hertford 20 Significant - 1985 Irrigation
Harms Dam 2000 Nebraska Keith 20 Significant Fair 1962 Flood Risk Reduction
Pine Forest Dam North Carolina Wake 20 Significant Satisfactory - Recreation
Terraco Lake Dam Ohio Medina 20 Significant Poor - Recreation
Openaka Lake Dam New Jersey Morris 20 Significant Poor 1750 Recreation
Blackwells Mills Dam New Jersey Somerset 20 Significant Satisfactory - Flood Risk Reduction
Lower Reservoir Dam New York Otsego 20 Significant Satisfactory - Water Supply
Privette Dam South Carolina Darlington 20 Significant Fair 1989 Irrigation
Cantrell Lake Dam Texas Van Zandt 20 Significant Not Rated 1972 Water Supply
Ozone Dam Tennessee Cumberland 20 Significant Satisfactory 1961
Tony Price Dam Texas Van Zandt 20 Significant Not Rated 2004
Holland Lake Dam Upper Texas Parker 20 Significant Fair -
Headley-May Dam North Carolina Cherokee 20 Significant Poor 1958 Recreation
Prince's Northwest Lake Dam Indiana Johnson 20 Significant Unsatisfactory 1955 Recreation
Greystone Falls Dam Connecticut Litchfield 20 Significant Satisfactory - Recreation
Twin Lakes Dam Connecticut Litchfield 20 Significant Not Rated 1900 Recreation
Clear Springs Cs-6c Florida Polk 20 Significant Not Rated 1967 Tailings
Waikamoi Reservoirs Hawaii Maui 20 Significant Poor 1980 Water Supply
Kansas Nemaha 20 Significant - - Fire Protection, Stock, Or ...
Oak Grove Millpond Dam Michigan Livingston 20 Significant Not Rated 1850 Recreation
Kent Lake Dam Michigan Livingston 20 Significant Satisfactory 1946 Recreation
Manual Oakley Group Dam Montana Teton 20 Significant - 1963 Recreation
Dobbs Lake Dam #1 North Carolina Gaston 20 Significant Fair 1969 Recreation
Madison Foods Dam Nebraska Madison 20 Significant Not Rated 1976 Other
Dorr Woolen Sewage Lagoon Dam New Hampshire Sullivan 20 Significant Fair 1982 Other
Blue Ridge Lake Dam North Carolina Transylvania 20 Significant Fair - Recreation
Chimney Corners Dam New York Westchester 20 Significant Poor - Recreation
Echo Lake Dam New Jersey Union 20 Significant Satisfactory 1930 Recreation
Cub Lake Dam New Jersey Sussex 20 Significant Satisfactory - Recreation
Hemlock Lake Dam New Jersey Sussex 20 Significant Poor 1951 Recreation
Imlaystown Lake Dam New Jersey Monmouth 20 Significant Poor 1925 Fire Protection, Stock, Or ...
Upper Sylvan Lake Dam New Jersey Burlington 20 Significant Satisfactory 1941 Recreation
Hilloch Pennsylvania Delaware 20 Significant Fair 1951 Recreation
Hidden Lake Pennsylvania Luzerne 20 Significant Poor 1967 Recreation
Montebello Subdivision Existing Dam South Carolina Greenville 20 Significant Poor 1999 Flood Risk Reduction
Mangus Lake Dam Texas Starr 20 Significant Not Rated 1977 Fire Protection, Stock, Or ...
Sd Noname 211 South Dakota Haakon 20 Significant - 1956 Fire Protection, Stock, Or ...
Upper Chester Reservoir Vermont Windsor 20 Significant Poor 1915 Other
Maxie Wilson Dam Texas Smith 20 Significant Not Rated -
Charleston Village Pond Dam North Carolina Wake 20 Significant Fair - Other
Spring Farm Pond Dam North Carolina Henderson 20 Significant Satisfactory - Recreation
Deuses Pond Dam Connecticut Middlesex 20 Significant Satisfactory 1916 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.