Browse Dams

11,361 dams in the National Inventory of Dams.

National Inventory of Dams

Browse 11,361 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
Deuses Pond Dam Connecticut Middlesex 20 Significant Satisfactory 1916 Hydroelectric
June Lake Dam Illinois Effingham 20 Significant Not Available — Recreation
Prince's Northwest Lake Dam Indiana Johnson 20 Significant Unsatisfactory 1955 Recreation
Northside Creek Reservoir Utah Morgan 20 Significant Not Rated 2021 Recreation
Lake Louise Alabama Calhoun 20 Significant Not Rated 1970 Fish and Wildlife Pond
Smith Lake Dam North Carolina Cabarrus 20 Significant Fair 1951 Recreation
Harms Dam 2000 Nebraska Keith 20 Significant Fair 1962 Flood Risk Reduction
Headley-May Dam North Carolina Cherokee 20 Significant Poor 1958 Recreation
Ozone Dam Tennessee Cumberland 20 Significant Satisfactory 1961
Lower Reservoir Dam New York Otsego 20 Significant Satisfactory — Water Supply
Pine Forest Dam North Carolina Wake 20 Significant Satisfactory — Recreation
Waikamoi Reservoirs Hawaii Maui 20 Significant Poor 1980 Water Supply
Mewbourne Lake Dam Texas Van Zandt 20 Significant Not Rated —
Cub Lake Dam New Jersey Sussex 20 Significant Satisfactory — Recreation
Hidden Lake Pennsylvania Luzerne 20 Significant Poor 1967 Recreation
Arenas Dam Illinois St. Clair 20 Significant Not Available 1950 Recreation
Litchfield Reservoir Dam Connecticut Litchfield 20 Significant Satisfactory — Water Supply
Echo Lake Dam New Jersey Union 20 Significant Satisfactory 1930 Recreation
Spring Farm Pond Dam North Carolina Henderson 20 Significant Satisfactory — Recreation
Oak Grove Millpond Dam Michigan Livingston 20 Significant Not Rated 1850 Recreation
Zeiner Pond Connecticut Litchfield 20 Significant Satisfactory 1911 Recreation
Upper Chester Reservoir Vermont Windsor 20 Significant Poor 1915 Other
Charleston Village Pond Dam North Carolina Wake 20 Significant Poor — Other
Tony Price Dam Texas Van Zandt 20 Significant Not Rated 2004
Cantrell Lake Dam Texas Van Zandt 20 Significant Not Rated 1972 Water Supply
Montebello Subdivision Existing Dam South Carolina Greenville 20 Significant Poor 1999 Flood Risk Reduction
Blue Ridge Lake Dam North Carolina Transylvania 20 Significant Fair — Recreation
Sd Noname 211 South Dakota Haakon 20 Significant — 1956 Fire Protection, Stock, Or ...
Clear Springs Cs-6c Florida Polk 20 Significant Not Rated 1967 Tailings
Madison Foods Dam Nebraska Madison 20 Significant Not Rated 1976 Other
Chimney Corners Dam New York Westchester 20 Significant Poor — Recreation
Hilloch Pennsylvania Delaware 20 Significant Fair 1951 Recreation
Kansas Nemaha 20 Significant — — Fire Protection, Stock, Or ...
Upper Sylvan Lake Dam New Jersey Burlington 20 Significant Satisfactory 1941 Recreation
Dobbs Lake Dam #1 North Carolina Gaston 20 Significant Fair 1969 Recreation
Hemlock Lake Dam New Jersey Sussex 20 Significant Poor 1951 Recreation
Kent Lake Dam Michigan Livingston 20 Significant Satisfactory 1946 Recreation
Imlaystown Lake Dam New Jersey Monmouth 20 Significant Poor 1925 Fire Protection, Stock, Or ...
Manual Oakley Group Dam Montana Teton 20 Significant — 1963 Recreation
Dorr Woolen Sewage Lagoon Dam New Hampshire Sullivan 20 Significant Fair 1982 Other
Twin Lakes Dam Connecticut Litchfield 20 Significant Not Rated 1900 Recreation
East Mountain Reservoir Dam Massachusetts Berkshire 20 Significant Satisfactory — Water Supply
Robert E. Lee Dam North Carolina Hertford 20 Significant — 1985 Irrigation
Whites Pond Dam Connecticut Hartford 20 Significant Satisfactory 1926 Recreation
Flowers Pond Dam #2 North Carolina Johnston 20 Significant — — Fire Protection, Stock, Or ...
Rio Vista Idaho Valley 20 Significant Fair 1971 Recreation
Cape Pond Dam New York Ulster 20 Significant Satisfactory 1914 Recreation
Seeley'S Pond Dam New Jersey Union 20 Significant Satisfactory 1928 Recreation
Rogers Dam Alabama Lamar 20 Significant Not Rated 1953 Fish and Wildlife Pond
Wheeler Pond Dam Connecticut New London 20 Significant Fair 1810 Other

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.