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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
Vanista Hollow Pond Dam New York Chenango 22 Significant Not Rated 2008 Recreation
Stark Falls Dike A New York St. Lawrence 22 Significant Satisfactory 1957 Hydroelectric
Skaneateles Creek Dam New York Onondaga 22 Low Not Rated — Other
Massawippa Lake Dam New York Orange 22 Low Not Rated 1934 Recreation
Wanaksink Lake Dam New York Sullivan 22 High Satisfactory 1852 Recreation
Matawa Lake Dam New York Sullivan 22 Low Not Rated 1949 Water Supply
Bomac Lake Dam New York Allegany 22 Low Not Rated 1957 Recreation
Foster Lake Dam & Dike New York Allegany 22 Low Not Rated 1967 Recreation
John Allen Pond Dam New York Putnam 22 Low Not Rated 1935 Recreation
Potake Lake Dam New York Rockland 22 High Satisfactory 1800 Recreation
Lake Lincolndale Dam New York Westchester 22 High Poor 1935 Recreation
Lows Lake Dam New York St. Lawrence 21 Low Not Rated 1903 Recreation
Betty Brook Dam New York Delaware 21 Low Poor 1972 Recreation
Louis Dunckel Dam New York Chenango 21 Low Not Rated 1963 Fire Protection, Stock, Or ...
Beechmont Lake Dam New York Westchester 21 Significant Poor 1904 Recreation
Fall Kill Dam New York Dutchess 21 Significant Poor 1911 Recreation
Bed Bug Hill Dam New York Otsego 21 Low Not Rated 1976 Recreation
Medina Aqueduct Dam New York Orleans 21 Significant Not Rated 1967 Hydroelectric
Wadsworth Pond Dam New York Livingston 21 Significant Poor 1905 Other
Putnam Pond Dam New York Essex 21 Significant Not Rated 1965 Recreation
Starkdale Farms Dam New York Dutchess 21 Low Not Rated 1970 Fire Protection, Stock, Or ...
Hoag Pond Dam New York Chautauqua 21 Low Not Rated 1952 Fire Protection, Stock, Or ...
Allen Street Detention Pond Dam New York Chautauqua 21 Significant Not Rated — Flood Risk Reduction
White Birch Lake Dam New York Broome 21 Significant Not Rated 1949 Recreation
Feeder Dam New York Warren 21 Low Satisfactory 1924 Hydroelectric
Churchill Dam New York Delaware 21 High Poor 1965 Recreation
Ryder Lake Dam New York Putnam 21 Significant Poor 1955 Recreation
Newark Reservoir Dam #1 New York Ontario 21 Significant Not Rated 1919 Recreation
Maybees Waste Weir Dam New York Niagara 21 High Not Rated 1918 Navigation
Tub Mill Pond Dam New York Essex 21 Significant Not Rated 1912 Other
Lake Tiorati Dam New York Orange 21 High Satisfactory 1915 Recreation
Erwin Pond Dam New York Steuben 21 Low Not Rated 1961 Other
New York State Dam New York Saratoga 21 Low Satisfactory 1840 Hydroelectric
Lock 24 Dam Erie Canal New York Onondaga 21 High Poor 1908 Hydroelectric
Gerrit Lydecker Pond Dam New York Delaware 21 Low Not Rated 1965 Recreation
Crystal Lake Dam New York Washington 21 Low Not Rated 1889 Water Supply
Nye Farm Pond Dam New York Madison 21 Low Not Rated — Fish and Wildlife Pond
Ibm Corp Technical Institute Dam New York Westchester 21 Significant Satisfactory 1985 Flood Risk Reduction
Huehnel Pond Dam New York Columbia 21 Low Not Rated — Recreation
Basic Creek Dam New York Albany 21 High Poor 1928 Water Supply
Gregg Farm Pond Dam New York Ulster 21 Low Not Rated 1966 Fire Protection, Stock, Or ...
Lock C-12 New York Washington 21 Significant Satisfactory 1911 Hydroelectric
City of Oswego Dam New York Oswego 21 Low Not Rated 1956 Hydroelectric
Efner Davis Pond Dam New York Cattaraugus 21 Significant Poor 1961 Recreation
Leland Ryder Lake Dam New York Putnam 21 Low Not Rated 1965 Recreation
Leroy Denbesten Pond Dam New York Columbia 21 Low Not Rated 1980 Recreation
Middleport Reservoir Dam New York Niagara 21 Low Not Rated 1931 Water Supply
Richard Fletcher Pond Dam New York Hamilton 21 Significant Poor 1966 Recreation
Deposit Reservoir Dam New York Broome 21 Significant Poor — Recreation
Joseph Karwoski Farm Pond Dam New York Steuben 21 Low Not Rated 1965 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.