Browse Dams

12,908 dams in the National Inventory of Dams.

National Inventory of Dams

Browse 12,908 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
Lucky Find Colorado Delta 20 Low Satisfactory 1905 Irrigation
John Orr California Amador 20 Low Satisfactory 1959 Water Supply
Happy Acres Dam Connecticut Windham 20 Significant Satisfactory 1973 Recreation
Mianus River Dam Connecticut Fairfield 20 Significant Satisfactory 1920 Recreation
Zeiner Pond Dam Connecticut Litchfield 20 Significant Satisfactory 1911 Recreation
Laurel Brook Reservoir Dam Connecticut Middlesex 20 High Satisfactory 1866 Water Supply
Eagle Lake Dam Kentucky Nelson 20 Low Satisfactory 1960 Recreation
Escanaba No 2 Dam Michigan Delta 20 Low Satisfactory 1910 Recreation
Park Lake Dam Kentucky Fleming 20 Low Satisfactory 1950 Recreation
Monterey Lake Dam Michigan Allegan 20 High Satisfactory 1971 Recreation
A L House Catfish Farm D Dam Mississippi Monroe 20 Undetermined Satisfactory 1965 Recreation
Lake Tara Dam Mississippi Lafayette 20 High Satisfactory 1985 Recreation
Woods Lake Dam Mississippi Pearl River 20 Undetermined Satisfactory - Recreation
Ton-A-Wandah Dam North Carolina Henderson 20 Significant Satisfactory - Recreation
Rouster Lake Dam Ohio Clermont 20 Significant Satisfactory 1947 Recreation
Kirby Lake Dam Ohio Summit 20 Low Satisfactory 1929 Recreation
Lower Warrenton Lakes Dam Virginia Fauquier 20 Low Satisfactory - Recreation
Selah Naches Ranch Reservoir Washington Yakima 20 High Satisfactory 2004 Irrigation
Taylor Wisconsin Barron 20 Low Satisfactory 1935 Hydroelectric
Vollman 3673-33 Produced Water #1 Wyoming Converse 20 Low Satisfactory - Other
Bedford Virginia Amherst 20 Low Satisfactory 1850 Hydroelectric
Deerfield No. 4 - Forebay Massachusetts Franklin 20 Low Satisfactory 1912 Hydroelectric
Crescent Lake Dam Florida Escambia 20 Significant Satisfactory 1960 Recreation
Farringtons Pond Dam Connecticut Fairfield 20 Significant Satisfactory 1900 Recreation
Dd No 106 Kansas Lyon 20 Low Satisfactory 1995 Flood Risk Reduction
North Aeration Stabilization Basin Lady Island Washington Clark 20 Significant Satisfactory 1977 Other
Lockwood Lake Dam Michigan Lapeer 20 Low Satisfactory 1964 Recreation
Indian Lake Dam Michigan Oakland 20 Low Satisfactory 1928 Recreation
Prince Lake Dam Michigan Oakland 20 Low Satisfactory 1963 Recreation
Brockies Pond Dam Michigan Luce 20 Low Satisfactory 1965 Recreation
T Caffey Robertson Pond Dam Mississippi DeSoto 20 Low Satisfactory - Recreation
Three Mile Reservoir Dam New Hampshire Cheshire 20 High Satisfactory 1986 Flood Risk Reduction
Hock Dam North Carolina Durham 20 High Satisfactory - Recreation
Colgate Lake Dam New York Greene 20 Significant Satisfactory 2007 Recreation
Fairgreens Golf Club Dam Ohio Jackson 20 Significant Satisfactory 1973 Recreation
Genon Energy North Pond Dam Ohio Trumbull 20 Significant Satisfactory 1955 Tailings
Merrill Creek Northwest Dike 1 New Jersey Warren 20 High Satisfactory - Other
Merrill Creek Northwest Dike 2 New Jersey Warren 20 High Satisfactory - Other
Watervliet Balancing Reservoir Dam New York Albany 20 Significant Satisfactory 1915 Water Supply
Jackson Dam Tennessee Williamson 20 High Satisfactory 1937 Other
Ingram Lake Dam Texas Kerr 20 High Satisfactory 1956 Flood Risk Reduction
Susan Branch #1 Dam Tennessee Henderson 20 Significant Satisfactory 1977
Baker River Site 5 Dike New Hampshire Grafton 20 Low Satisfactory 1969 Flood Risk Reduction
Bantam Hydro Dam Connecticut Litchfield 20 Significant Satisfactory 1945 Hydroelectric
Upper South Michigan Alpena 20 Low Satisfactory 1930 Hydroelectric
Merrimack Dam Massachusetts Middlesex 20 Low Satisfactory 1847 Hydroelectric
Freshwater Pond Dam Connecticut Hartford 20 High Satisfactory 1900 Recreation
Plymouth Reservoir Dam Connecticut Litchfield 20 High Satisfactory 1881 Water Supply
Bristol Fish & Game Club Dam Connecticut New Haven 20 Significant Satisfactory 1961 Recreation
Granite Lake Dam Massachusetts Worcester 20 Significant Satisfactory 1924 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.