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
Wilson Brook Detention Dam Connecticut Hartford 20 Significant Satisfactory 1981 Flood Risk Reduction
Goin Lake Dam Illinois Hamilton 20 Significant Not Available 1975 Recreation
Blacksville #1 Freshwater Imp Pennsylvania Greene 20 Significant Satisfactory 1974 Recreation
Louisville No. 1 Colorado Boulder 20 Significant Satisfactory 1888 Water Supply
Longshore 2 Dam South Carolina Newberry 20 Significant Fair 1960 Fire Protection, Stock, Or ...
Woodlands Lake Dam New York Westchester 20 Significant Not Rated 1840 Recreation
Foreman Lake Dam Missouri Vernon 20 Significant Not Rated 1975 Fish and Wildlife Pond
Bulls Bridge Mountainside Spillway Connecticut Litchfield 20 Significant Satisfactory 1902 Hydroelectric
Rhode Island Pond Dam Connecticut Tolland 20 Significant Satisfactory 1880 Recreation
Lake Cushetunk Dam New Jersey Hunterdon 20 Significant Fair 1928 Recreation
Shelton Reservoir #3 Dam Connecticut Fairfield 20 Significant Fair 1915 Water Supply
D Mill At Ticonderoga Dam New York Essex 20 Significant Not Rated 1981 Hydroelectric
Park Ridge Dam Virginia Floyd 20 Significant Satisfactory — Recreation
Indian Creek 3-18 Nebraska Gage 20 Significant Satisfactory 1957 Other
Pulpit Rock Pond Dam and Auxiliary Spillway Massachusetts Hampden 20 Significant Fair — Recreation
Borgsmiller Lake Dam Illinois Jackson 20 Significant Not Available 1970 Recreation
Sooner Lake Addition Oklahoma Cleveland 20 Significant Fair 1970 Recreation
Tom Norton Dam South Carolina Dillon 20 Significant Fair 1998 Fish and Wildlife Pond
Dyken Pond Dam New York Rensselaer 20 Significant Poor 1914 Recreation
Nantucket Dam Texas Brazos 20 Significant Fair 1977 Recreation
Chiselhurst Dam New York Westchester 20 Significant Poor 1921 Recreation
Lake Law Dam Illinois DuPage 20 Significant Not Available 1971 Flood Risk Reduction
Elkem Sludge Holding Pond 5c Dam Ohio Ashtabula 20 Significant Fair 1988 Tailings
Clock Tower Dam Massachusetts Middlesex 20 Significant Satisfactory 1890 Recreation
Haddon Lake Dam New Jersey Camden 20 Significant Poor 1917 Recreation
E. King Dam Florida Walton 20 Significant Not Rated 1961 Recreation
Neutralized Water Impoundment 3 Ohio Knox 20 Significant Fair 1997 Tailings
U S Gypsum Reservoir Dam New York Genesee 20 Significant Fair 1927 Irrigation
Lake Michael Dam Mississippi Pearl River 20 Significant Fair 1996 Recreation
Standish Chard Dam Massachusetts Franklin 20 Significant Poor — Other
Sandpit Dam Texas Parker 20 Significant Not Rated 1948 Recreation
Belfield Railroad Dam North Dakota Stark 20 Significant Not Rated 1910 Recreation
International Paper Company Dam Florida Escambia 20 Significant Not Rated — Other
Pine Lake Dam Illinois Madison 20 Significant Not Available 1908 Recreation
Game Farm Upper Dam Kentucky Franklin 20 Significant Poor 1951 Recreation
Ylsa Lake Dam Illinois Monroe 20 Significant Not Available 1995 Recreation
Falls Pond Dam South Carolina Calhoun 20 Significant Poor — Recreation
Waukegan Station East Ash Pond Dam Illinois Lake 20 Significant Not Available 1979 Other
Ravenswood Dam Connecticut New Haven 20 Significant Satisfactory — Fish and Wildlife Pond
Jd Mccarty Center Lake Oklahoma Cleveland 20 Significant Poor 1950 Other
Cherokee Falls South Carolina Cherokee 20 Significant Satisfactory 1826 Hydroelectric
Lake Wagner Dam South Dakota Charles Mix 20 Significant — 1938 Recreation
Echo Lake Ranch Dam Missouri Jefferson 20 Significant Not Rated 1944 Recreation
R Milliken Pond 2 Dam South Carolina Spartanburg 20 Significant Fair 1949 Recreation
Lake of The Woods Dam Indiana Porter 20 Significant Unsatisfactory 1890 Recreation
Lower East Fork Equalization Basin Ohio Clermont 20 Significant Satisfactory 1992 Tailings
Timber Lake Dam Illinois St. Clair 20 Significant Not Available — Flood Risk Reduction
Murray Hill Estates Dam New York Westchester 20 Significant Poor 1979 Other
Dickerman Pond Dam New Hampshire Belknap 20 Significant Poor 1930 Fish and Wildlife Pond
Sawyer's Pond Maine Lincoln 20 Significant Fair 1935 Fire Protection, Stock, Or ...

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.