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
Louisville No. 1 Colorado Boulder 20 Significant Satisfactory 1888 Water Supply
Mirror Lake Dam Connecticut New Haven 20 Significant Satisfactory 1949 Recreation
Goin Lake Dam Illinois Hamilton 20 Significant Not Available 1975 Recreation
Loch Carden Dam Louisiana St. Tammany 20 Significant Fair 1980 Recreation
Strawberry Fields Maryland Howard 20 Significant Satisfactory 1985 Flood Risk Reduction
Foreman Lake Dam Missouri Vernon 20 Significant Not Rated 1975 Fish and Wildlife Pond
Lake Emerald Dam North Carolina Jackson 20 Significant Fair - Recreation
Lake Cushetunk Dam New Jersey Hunterdon 20 Significant Fair 1928 Recreation
Woodlands Lake Dam New York Westchester 20 Significant Not Rated 1840 Recreation
Longshore 2 Dam South Carolina Newberry 20 Significant Fair 1960 Fire Protection, Stock, Or ...
Blacksville #1 Freshwater Imp Pennsylvania Greene 20 Significant Satisfactory 1974 Recreation
Sandpit Dam Texas Parker 20 Significant Not Rated 1948 Recreation
Amarillo Citadel Dam Texas Potter 20 Significant Satisfactory 1986 Recreation
Mayfair Regional Storm Water Facility No 1 Dam Texas Comal 20 Significant Satisfactory 2024
Hatfields New Hampshire Strafford 20 Significant Satisfactory 1937 Hydroelectric
Willamette Falls Oregon Clackamas 20 Significant Satisfactory 1923 Hydroelectric
Wilson Brook Detention Dam Connecticut Hartford 20 Significant Satisfactory 1981 Flood Risk Reduction
Rhode Island Pond Dam Connecticut Tolland 20 Significant Satisfactory 1880 Recreation
E. King Dam Florida Walton 20 Significant Not Rated 1961 Recreation
Shelton Reservoir #3 Dam Connecticut Fairfield 20 Significant Fair 1915 Water Supply
Borgsmiller Lake Dam Illinois Jackson 20 Significant Not Available 1970 Recreation
Lake Law Dam Illinois DuPage 20 Significant Not Available 1971 Flood Risk Reduction
Clock Tower Dam Massachusetts Middlesex 20 Significant Satisfactory 1890 Recreation
Lake Michael Dam Mississippi Pearl River 20 Significant Fair 1996 Recreation
Belfield Railroad Dam North Dakota Stark 20 Significant Not Rated 1910 Recreation
U S Gypsum Reservoir Dam New York Genesee 20 Significant Fair 1927 Irrigation
Dyken Pond Dam New York Rensselaer 20 Significant Poor 1914 Recreation
Elkem Sludge Holding Pond 5c Dam Ohio Ashtabula 20 Significant Fair 1988 Tailings
Neutralized Water Impoundment 3 Ohio Knox 20 Significant Fair 1997 Tailings
Haddon Lake Dam New Jersey Camden 20 Significant Poor 1917 Recreation
Sooner Lake Addition Oklahoma Cleveland 20 Significant Fair 1970 Recreation
D Mill At Ticonderoga Dam New York Essex 20 Significant Not Rated 1981 Hydroelectric
Chiselhurst Dam New York Westchester 20 Significant Poor 1921 Recreation
Tom Norton Dam South Carolina Dillon 20 Significant Fair 1998 Fish and Wildlife Pond
Nantucket Dam Texas Brazos 20 Significant Fair 1977 Recreation
Park Ridge Dam Virginia Floyd 20 Significant Satisfactory - Recreation
International Paper Company Dam Florida Escambia 20 Significant Not Rated - Other
Ylsa Lake Dam Illinois Monroe 20 Significant Not Available 1995 Recreation
Lake of The Woods Dam Indiana Porter 20 Significant Unsatisfactory 1890 Recreation
Waukegan Station East Ash Pond Dam Illinois Lake 20 Significant Not Available 1979 Other
Timber Lake Dam Illinois St. Clair 20 Significant Not Available - Flood Risk Reduction
Pine Lake Dam Illinois Madison 20 Significant Not Available 1908 Recreation
Game Farm Upper Dam Kentucky Franklin 20 Significant Poor 1951 Recreation
Russell Harrington Mill Pond Dam Massachusetts Worcester 20 Significant Poor 1917 Fire Protection, Stock, Or ...
East Mountain Reservoir Dam Massachusetts Berkshire 20 Significant Satisfactory - Water Supply
Echo Lake Ranch Dam Missouri Jefferson 20 Significant Not Rated 1944 Recreation
Lower East Fork Equalization Basin Ohio Clermont 20 Significant Satisfactory 1992 Tailings
Jd Mccarty Center Lake Oklahoma Cleveland 20 Significant Poor 1950 Other
Lake Wagner Dam South Dakota Charles Mix 20 Significant - 1938 Recreation
Falls Pond Dam South Carolina Calhoun 20 Significant Poor - 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.