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Browse Dams

1,939 dams in the National Inventory of Dams.

National Inventory of Dams

Browse 1,939 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.

Clear
Name State County Height (ft) Hazard Condition Year Purpose
Thomas J Kelaher Dam New York Delaware 16 Significant Satisfactory 1961 Recreation
Edgecomb Pond Dam New York Warren 16 High Fair 1979 Water Supply
Sissonville New York St. Lawrence 16 Low Satisfactory 1990 Hydroelectric
T Bertram Anderson Dam New York Delaware 16 Low Not Rated 1973 Recreation
Northumberland Dam New York Washington 16 Low Not Rated 1870 Navigation
Cascade Lake Dam New York Orange 16 Significant Satisfactory 1946 Recreation
Rogers Lake Dam New York Broome 16 Low Not Rated — Recreation
Alexander Ewing Dam New York Dutchess 16 Low Not Rated 1982 Recreation
Winnies Reef Dam New York Saratoga 16 Significant Poor 1979 Recreation
Sandy Hollow Dam New York Jefferson 16 Significant Not Rated 1986 Hydroelectric
Heinz Beneke Dam New York Otsego 16 Low Not Rated 1978 Fire Protection, Stock, Or ...
Juengst Dam New York Putnam 16 Low Not Rated 1886 Recreation
George Rickey Pond Dam New York Columbia 16 Low Poor 1966 Recreation
Wittig Dam New York Oneida 16 Low Not Rated 1964 Recreation
Orchard Lake Dam New York Sullivan 16 Significant Poor 1870 Recreation
Brockville Waste Weir Dam New York Orleans 16 Significant Not Rated 1918 Navigation
Weerheim Dam New York Otsego 16 Low Not Rated 1965 Recreation
Anderson Dam New York Chautauqua 16 Significant Not Rated 1954 Fire Protection, Stock, Or ...
Mattice Pond Dam New York Schoharie 16 Low Not Rated 1970 Recreation
Pine Lake Dam & Dike New York Washington 16 Low Not Rated 1925 Water Supply
Leeward Lake Dam New York Wayne 16 Significant Not Rated — Flood Risk Reduction
Benedicts Pond Dam New York Orange 16 Significant Fair — Recreation
Williams Pond Dam New York Chemung 16 Significant Not Rated 1996 Recreation
Pump House Dam New York Jefferson 16 Low Not Rated 1895 Other
Cameron Reservoir Dam New York Fulton 16 Low Not Rated 1968 Water Supply
Stony Point Dam New York Rockland 16 Significant Poor 1900 Water Supply
East Norfolk New York St. Lawrence 16 High Satisfactory 1928 Hydroelectric
Pine Lake Dam New York Fulton 16 Significant Poor 1855 Recreation
R & E Banks Dam New York Greene 16 Low Not Rated 1966 Recreation
Frederick W Cook Dam New York Putnam 16 Significant Poor — Irrigation
Sixth Lake Dam New York Hamilton 16 High Fair 1920 Recreation
Still Lake Dam New York Westchester 16 High Poor 1930 Recreation
School Street New York Albany 16 Low Satisfactory 1865 Hydroelectric
Glens Falls New York Warren 16 Significant Satisfactory 1916 Hydroelectric
Robert L Bishop Duck Marsh Dam New York Delaware 16 Low Not Rated 1979 Other
Horseshoe Pond Dam New York Essex 16 Significant Not Rated — Water Supply
Beaver Flow Dam New York Essex 16 Low Not Rated — Other
Richard Weishan Pond Dam New York Cattaraugus 16 Significant Not Rated 1961 Recreation
Lock E-8 Dam At Scotia New York Schenectady 16 Low Not Rated 1910 Navigation
Carpenter Pond Dam New York Westchester 16 Significant Poor 1925 Other
Clover Lake Estates Dam New York Putnam 16 Low Not Rated — Recreation
Corning Community College Dam New York Steuben 16 Significant Not Rated 1963 Recreation
Boreas Ponds Dam New York Essex 16 Low Not Rated — Recreation
Fawn Lake Dam New York Albany 16 Low Not Rated 1938 Other
Erie Park Commission Dam New York Erie 16 Low Not Rated 1926 Recreation
Harrison Spillway Dam New York Wayne 16 High Poor 1918 Navigation
Watsons Waste Weir Dam New York Niagara 16 Low Not Rated 1918 Navigation
Wilmington Dam New York Essex 16 Significant Not Rated 1937 Other
Knupfer Dam & Dike New York Greene 16 Low Not Rated 1972 Recreation
Keejo Lake Dam New York Ulster 16 Low Not Rated 1980 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.