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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
Sissonville New York St. Lawrence 16 Low Satisfactory 1990 Hydroelectric
Corning Community College Dam New York Steuben 16 Significant Not Rated 1963 Recreation
Boreas Ponds Dam New York Essex 16 Low Not Rated — 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
Richard Weishan Pond Dam New York Cattaraugus 16 Significant Not Rated 1961 Recreation
Keejo Lake Dam New York Ulster 16 Low Not Rated 1980 Recreation
Lake Boyce Dam New York Rockland 16 High Fair 1929 Recreation
Huntley Dam New York Broome 16 Low Not Rated 1964 Recreation
Glens Falls New York Warren 16 Significant Satisfactory 1916 Hydroelectric
Sullivan Park Detention Dam New York Steuben 16 Significant Satisfactory 1982 Flood Risk Reduction
Sewalls South Channel Dam New York Jefferson 16 Significant Not Rated 1978 Hydroelectric
T Bertram Anderson Dam New York Delaware 16 Low Not Rated 1973 Recreation
Sixth Lake Dam New York Hamilton 16 High Fair 1920 Recreation
Fawn Lake Dam New York Albany 16 Low Not Rated 1938 Other
Stephen Crane Dam New York Sullivan 15 Low Not Rated 1850 Recreation
Al Produce Dam New York Schuyler 15 Significant Not Rated 2016 Irrigation
Hollowbrook Dam New York Westchester 15 Significant Poor 1920 Hydroelectric
Soft Maple Dike No. 6 New York Lewis 15 Low Satisfactory 1926 Hydroelectric
Pinebush Lake Dam New York Ulster 15 Low Not Rated — Recreation
Rudy/Dibella Waterski Lake Dam New York Monroe 15 Low Not Rated — Recreation
Soft Maple Dike No. 1 New York Lewis 15 Low Satisfactory 1926 Hydroelectric
Bible Dam New York Fulton 15 Significant Poor 1977 Recreation
Harrison Dam New York Orange 15 Significant Poor — Recreation
Rocco Andriello Dam New York Schoharie 15 Low Not Rated 1977 Recreation
Loon Lake Dam New York Warren 15 High Poor 1941 Recreation
Duanesburg Reservoir Dam New York Schenectady 15 Low Not Rated — Water Supply
Sphagnum Pond Dam New York Orange 15 Significant Poor 1930 Water Supply
Lake Georgena New York Orange 15 Low Unsatisfactory 1913
Mountain Lake Dam New York Delaware 15 Low Not Rated 1930 Recreation
Dickerson Pond Dam New York Westchester 15 Significant Poor 1922 Recreation
Grossingers Lake Dam New York Sullivan 15 Significant Not Rated 1950 Recreation
South Lake Dam New York Greene 15 Significant Not Rated 1973 Recreation
Reverend Burton D Huth Dam New York Tioga 15 Low Not Rated 1971 Recreation
Mahstedt Reservoir Dam New York Westchester 15 Low Not Rated 1885 Recreation
Holley Waste Weir Dam New York Orleans 15 Low Not Rated 1918 Navigation
Guilford Lake Dam New York Chenango 15 High Poor 1827 Water Supply
Earle Peterson Dam New York Otsego 15 Low Not Rated 1972 Recreation
Thompson Island Dam New York Saratoga 15 Low Not Rated 1910 Navigation
Lake Abanakee Dam New York Hamilton 15 Low Not Rated 1950 Recreation
Oriskany Falls Dam New York Madison 15 Significant Poor 1917 Water Supply
Windover Lake Dam New York Warren 15 Low Not Rated 1948 Recreation
Garnet Lake Dam New York Warren 15 High Fair 1903 Fire Protection, Stock, Or ...
Lake Gilead Dam New York Putnam 15 Low Not Rated — Recreation
Boardman St. Reservoir Dam New York Washington 15 Significant Poor 1870 Other
Alder Pond New York Oneida 15 High Satisfactory 1850 Hydroelectric
Wilson Road Dike New York St. Lawrence 15 Low Satisfactory 1958 Hydroelectric
North Lake A Dam (Spillway) New York Herkimer 15 Low Not Rated 1850 Navigation

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.