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
Horseshoe Lake Dam New York Genesee 20 Significant Satisfactory 1953 Recreation
Cardinal Plant Ash Pond Dam Ohio Jefferson 20 Significant Fair 1974 Tailings
Groveton Municipal Lagoons Dam New Hampshire Coos 20 Significant Satisfactory 2012 Other
Blue Top Dam New York Broome 20 Significant Fair 2000 Recreation
Wampler-Werth Oregon Crook 20 Significant Not Rated 1983 Water Supply
Twin Lakes Dam South Carolina Orangeburg 20 Significant Poor 1950 Recreation
Knippling Stockwater No. 2 South Dakota Buffalo 20 Significant - 1954 Fire Protection, Stock, Or ...
Lake Russell Pennsylvania Pike 20 Significant Satisfactory 1957 Recreation
Katz Farm Oregon Yamhill 20 Significant Not Rated 1994 Irrigation
Reservoir No 5 Pennsylvania Cambria 20 Significant Not Rated 1993 Water Supply
Mathews Lake Dam Texas Walker 20 Significant Not Rated 1970 Fire Protection, Stock, Or ...
Vaquillas Lake No 1 Dam Texas Webb 20 Significant Not Rated 1967 Water Supply
Clifton Farm Lower Dam Virginia Fauquier 20 Significant Not Rated - Irrigation
Cox Reservoir Vermont Windsor 20 Significant Poor 1930 Water Supply
Ragged Hill Pond Dam Connecticut Windham 20 Significant Fair - Recreation
Lee Brown Dam Alabama Chilton 20 Significant Not Rated 1978 Fish and Wildlife Pond
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
Gatfield No 2 Idaho Gem 20 Significant Fair 1951 Other
Timber Lake Dam Illinois Madison 20 Significant Not Available 1970 Recreation
Dcc - Site 1 Kansas Lyon 20 Significant - 2001 Fire Protection, Stock, Or ...
Calbeau Lake Louisiana Beauregard 20 Significant Fair 1964 Recreation
Tolman Maine Knox 20 Significant Poor 1967 Fire Protection, Stock, Or ...
Lower Gore Pond Dam Massachusetts Worcester 20 Significant Poor - Other
Sims Pond Dam North Carolina Caldwell 20 Significant Fair 1959 Recreation
Caldwell Lake Dam North Carolina Mecklenburg 20 Significant Fair - Recreation
Ton-A-Wandah Dam North Carolina Henderson 20 Significant Satisfactory - Recreation
Milton Waste Water Lagoons Dam New Hampshire Strafford 20 Significant Fair 1985 Other
Stone #4 Dam North Carolina Transylvania 20 Significant Fair - Recreation
Elsner Dam 2 Nebraska Lancaster 20 Significant Poor 1969 Recreation
Burr Reservoir Dam New York Chautauqua 20 Significant Not Rated 1898 Other
Rouster Lake Dam Ohio Clermont 20 Significant Satisfactory 1947 Recreation
Lake Panorama Dam New Jersey Sussex 20 Significant Poor 1957 Recreation
Knippling Stockwater No. 5 South Dakota Buffalo 20 Significant - 1953 Fire Protection, Stock, Or ...
Rice Lake Dam Texas Navarro 20 Significant Poor 1960 Recreation
Kerrville Lake Dam Texas Kerr 20 Significant Fair 1956 Recreation
Dekkers Lake No 2 Dam Texas Van Zandt 20 Significant Not Rated 1997
Kaiser and Fisher Flowage Wisconsin Rusk 20 Significant Fair 1966 Recreation
Waterford Dam - Gated Spillway Wisconsin Racine 20 Significant Fair - Recreation
Lake Mead Dam Connecticut Fairfield 20 Significant Not Rated - Fish and Wildlife Pond
Lockport Colorado Jefferson 20 Significant Fair 1984 Water Supply
Jack House Dam Alabama Pickens 20 Significant Not Rated 1979 Fish and Wildlife Pond
Crescent Lake Dam Florida Escambia 20 Significant Satisfactory 1960 Recreation
Farringtons Pond Dam Connecticut Fairfield 20 Significant Satisfactory 1900 Recreation
Terryville Reservoir #3 Dam Connecticut Litchfield 20 Significant Fair 1920 Water Supply
Bruner Dam Florida Walton 20 Significant Poor 1971 Recreation
Valevue Lake Dam Illinois Morgan 20 Significant Not Available 1970 Recreation
Stout Lake Dam (East) Indiana Warren 20 Significant Poor - Recreation
Reed Lake Dam Indiana Decatur 20 Significant Poor 1969 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.