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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
Garnet Lake Dam New York Warren 15 High Fair 1903 Fire Protection, Stock, Or ...
Charles D Gibson Dam New York Columbia 15 Significant Satisfactory 1963 Recreation
Jackson Pond Dam New York Chenango 15 Significant Satisfactory 1941 Other
Holley Waste Weir Dam New York Orleans 15 Low Not Rated 1918 Navigation
Mahstedt Reservoir Dam New York Westchester 15 Low Not Rated 1885 Recreation
Lake Gilead Dam New York Putnam 15 Low Not Rated — Recreation
Lock C-11 Dam New York Washington 15 Significant Satisfactory 1910 Navigation
North Lake A Dam (Spillway) New York Herkimer 15 Low Not Rated 1850 Navigation
Caughdenoy Dam New York Oswego 15 Low Not Rated 1909 Navigation
Aqua-Terra Lake Dam New York Broome 15 Low Not Rated 1952 Recreation
Lake Dutchess Dam New York Dutchess 15 Low Not Rated 1927 Recreation
Sterling Lake Dam New York Orange 15 Low Not Rated 1910 Recreation
Balsam Pond Dam New York Sullivan 15 Low Not Rated 1958 Recreation
Reverend Burton D Huth Dam New York Tioga 15 Low Not Rated 1971 Recreation
Snooks Ice Pond Dam New York Onondaga 15 Low Not Rated 1850 Recreation
David Ulmar Pond Dam New York Putnam 15 Low Not Rated 1953 Recreation
Fairport Spillway Dam New York Monroe 15 High Not Rated — Navigation
Fishing Brook Dam New York Hamilton 15 Low Not Rated 1898 Recreation
Black Brook - Intake New York Clinton 15 Low Satisfactory 1896 Hydroelectric
Hugh Hunter Recreational Pond Dam New York Monroe 15 Low Not Rated 1973 Recreation
Thompson Island Dam New York Saratoga 15 Low Not Rated 1910 Navigation
Grassi-Corini-Grandolf Dam New York Cortland 15 Low Not Rated 1973 Recreation
Upper Lounsbury Pond Dam New York Westchester 15 Significant Satisfactory — Recreation
Twin Ponds Dam - Lower New York Sullivan 15 Low Not Rated — Recreation
Blue Heron Lake Dam New York Westchester 15 Significant Poor 1936 Recreation
New Mill Pond Dam New York Suffolk 15 Low Not Rated 1825 Recreation
Cabic Pond Dam New York Cattaraugus 15 Significant Not Rated 1964 Fish and Wildlife Pond
Camp Gan Israel Pond Dam New York Sullivan 15 Significant Fair 1952 Recreation
Alder Pond New York Oneida 15 High Satisfactory 1850 Hydroelectric
Harvey Mountain Dam New York Columbia 14 Significant Not Rated — Recreation
Monroe Recreation Lake Dam New York Orange 14 Low Not Rated 1936 Recreation
Speery & Stramba Wildlife Dam New York Cortland 14 Low Not Rated 1956 Other
Max O Urbahn Dam New York Franklin 14 Low Not Rated 1972 Recreation
Duck Hole Dam New York Franklin 14 Low Not Rated — Recreation
Bartlett Pond Dam New York Essex 14 Low Not Rated 1918 Water Supply
Lake Weil Dam New York Dutchess 14 Significant Poor 1940 Recreation
Tannery - Dam "A" New York Jefferson 14 Significant Satisfactory 1914 Hydroelectric
George Bryant Dam New York Delaware 14 Low Not Rated 1965 Fire Protection, Stock, Or ...
Lake Stahahe Dam New York Orange 14 High Fair 1918 Recreation
Long Pond Dam New York Oswego 14 Low Not Rated 1937 Other
Little Pond Dam New York Delaware 14 Low Not Rated 1916 Other
Rotterdam Square Impoundment Dam New York Schenectady 14 Low Not Rated 1987 Flood Risk Reduction
Penfield Pond Dam New York Essex 14 Significant Poor 1980 Fire Protection, Stock, Or ...
Edward Decker Recreational Pond Dam New York Cortland 14 Low Not Rated 1972 Recreation
Collins Pond Dam New York Schenectady 14 Low Not Rated 1959 Recreation
Tamarack Swamp Dam New York Dutchess 14 Low Not Rated 1959 Irrigation
Gifford, Kahabka & Rutenber Dam New York Delaware 14 Low Not Rated 1959 Fire Protection, Stock, Or ...
Summit Lake Dam New York Schoharie 14 Significant Poor 1920 Recreation
Flattail Lake Dam New York Erie 14 Low Not Rated 1940 Fish and Wildlife Pond
Van Derheyden Reservoir Dam New York Rensselaer 14 Significant Poor 1868 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.