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
Whitney Lake Pennsylvania Wayne 12 Significant Fair 1934 Recreation
Duck Pond Dam Texas Val Verde 12 Significant Not Rated -
Parker Trust Dam Texas Bastrop 12 Significant Not Rated 1972
East Loch Mcwilliams Dam Louisiana St. Tammany 12 Significant Fair 1983 Recreation
Small Pond Dam Connecticut Fairfield 12 Significant Not Rated - Recreation
Shady Lake Dam Connecticut Tolland 12 Significant Poor - Recreation
Brown Pond Dam Connecticut Windham 12 Significant Satisfactory 1980 Recreation
Wakefield Pond Dam Connecticut Windham 12 Significant Poor 1900 Recreation
Connellee Dam Virginia Richmond 12 Significant Poor - Recreation
Billings Lake Dam Connecticut New London 12 Significant Satisfactory 1900 Recreation
Chamberlain Pond Dam Connecticut Windham 12 Significant Not Rated 1850 Recreation
Lydall Pond #1 Dam Connecticut Hartford 12 Significant Not Rated 1898 Recreation
Stony Batter Pond Dam Connecticut Litchfield 12 Significant Not Rated 1945 Recreation
Spahn Pond Dam Connecticut Fairfield 12 Significant Satisfactory 1925 Recreation
Gritman Pond Dam Connecticut Litchfield 12 Significant Poor 1920 Recreation
Roderick Wyant Pond Dam Connecticut Litchfield 12 Significant Not Rated 1963 Recreation
Tarrywile Lake Dam Connecticut Fairfield 12 Significant Satisfactory 1900 Recreation
Manitook Lake Dam Connecticut Hartford 12 Significant Satisfactory - Recreation
Quinsigamond Pond Dam Massachusetts Worcester 12 Significant Poor 1896 Recreation
Forge Pond Dam Massachusetts Plymouth 12 Significant Satisfactory 1726 Recreation
Shad Factory Pond Dam Massachusetts Bristol 12 Significant Fair 1911 Recreation
Upper Shawme Lake Dam Massachusetts Barnstable 12 Significant Satisfactory - Recreation
Echo Lake Dam Massachusetts Worcester 12 Significant Fair 1905 Recreation
Kingman Pond Dam Massachusetts Bristol 12 Significant Satisfactory - Recreation
Bryan Lake Dam North Carolina Johnston 12 Significant Poor 1874 Irrigation
Jackson Pond Dam New Hampshire Belknap 12 Significant Satisfactory 1894 Recreation
Lyon Lodge Dam New York Ulster 12 Significant Poor 1925 Recreation
Independence Dam Ohio Defiance 12 Significant Poor 1924 Recreation
Camp Inawendiwin Middle Dam New Jersey Burlington 12 Significant Satisfactory -
Marlton Lakes Upper Dam New Jersey Burlington 12 Significant Satisfactory 1940 Recreation
Tamarack Pond Dam New York Orange 12 Significant Poor - Water Supply
Priester Millpond Dam South Carolina Orangeburg 12 Significant Fair 1900 Recreation
Penallen Pennsylvania Montgomery 12 Significant Fair 1982 Flood Risk Reduction
Hortons Pond Dam South Carolina Kershaw 12 Significant Fair 1960 Recreation
Caylor Ranch Dam South Dakota Fall River 12 Significant - 1945 Fire Protection, Stock, Or ...
Timber Lake Dam Texas Liberty 12 Significant Not Rated 1974 Recreation
Kenny Pond Vermont Windham 12 Significant Poor 1900 Recreation
Barlows Pond Dam Virginia York 12 Significant Fair - Recreation
Saratoga Springs Wildflower Zone 3 Pond Utah Utah 12 Significant Not Rated - Irrigation
Killingly Pond Dam Connecticut Windham 12 Significant Unsatisfactory 1900 Other
Schultz Pond Dam Connecticut Hartford 12 Significant Not Rated - Recreation
Little River Pond Dam Connecticut Windham 12 Significant Not Rated - Recreation
Thrushwood Lake Dam Connecticut Fairfield 12 Significant Fair - Recreation
Trussams Pond Dam Delaware Sussex 12 Significant Fair - Recreation
Spring Lake Dam Florida Putnam 12 Significant Poor - Fire Protection, Stock, Or ...
Black Hawk Lake Dam Iowa Sac 12 Significant Satisfactory 1916 Flood Risk Reduction
Poe Lake Dam Indiana Allen 12 Significant Not Rated 1967 Recreation
Frye Pond Dam Massachusetts Essex 12 Significant Unsatisfactory 1932 Recreation
Fells Reservoir Dam No. 2 Massachusetts Middlesex 12 Significant Satisfactory 1898 Water Supply
Hunnewell Lake Maine Aroostook 12 Significant Poor 1968 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.