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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.

Name State County Height (ft) Hazard Condition Year Purpose
Dover Greens Dam New York Dutchess 60 High Fair 1918 Water Supply
Lake Ridge Dam New York Albany 60 Significant Not Rated — Flood Risk Reduction
Lake Te-Ata Dam New York Orange 60 Significant Poor 1927 Recreation
Ilion Reservoir #2 Dam New York Herkimer 60 High Poor 1903 Water Supply
Mead Reservoir Dam New York Clinton 60 High Satisfactory 1922 Water Supply
Quaker Run Dam New York Cattaraugus 59 Significant Satisfactory 1930 Recreation
Little Choconut Site 2c Dam New York Broome 59 High Satisfactory 1968 Flood Risk Reduction
Martin Dunham Reservoir Dam New York Rensselaer 59 High Poor 1913 Recreation
Kents Falls New York Clinton 59 High Fair 1991 Hydroelectric
Nanticoke Creek Site 10 Dam New York Broome 58 High Satisfactory 1979 Flood Risk Reduction
Eaton Brook Reservoir Dam New York Madison 58 High Poor 1893 Navigation
Mountain Brook Dam New York Putnam 58 High Satisfactory 1997 Irrigation
Little Choconut Site 2e Dam New York Broome 58 High Satisfactory 1968 Flood Risk Reduction
Nanticoke Creek Site 13 Dam New York Broome 57 High Satisfactory 1967 Flood Risk Reduction
Conewango Creek Site 33 Dam New York Chautauqua 57 High Fair 1974 Flood Risk Reduction
Colonie Dam New York Saratoga 57 High Satisfactory 1954 Water Supply
Finch Hollow Site 2 Dam New York Broome 57 High Satisfactory 1973 Flood Risk Reduction
Batavia Kill Watershed Dam #4a New York Greene 57 High Satisfactory 1967 Flood Risk Reduction
Muscoot Dam New York Westchester 57 Significant Not Rated 1906 Water Supply
Little Choconut Site 2b Dam New York Broome 56 High Satisfactory 1968 Flood Risk Reduction
Port Creek Reservoir Dam New York Fulton 56 High Poor 1930 Water Supply
Lake Moraine Dam New York Madison 56 High Poor 1836 Navigation
Norwich Reservoir #2 Dam New York Chenango 56 High Fair 1890 Water Supply
Erieville Reservoir Dam New York Madison 55 High Fair 1850 Navigation
Utica Reservoir #4 Dam New York Oneida 55 High Satisfactory 1886 Water Supply
Stillwater - North Dam New York Herkimer 55 High Satisfactory 1924 Hydroelectric
Graffenburg Reservoir Dam New York Herkimer 55 Significant Satisfactory 1854 Recreation
Cuba Lake Dam New York Allegany 55 High Fair 1872 Recreation
Finch Hollow Site 3c Dam New York Broome 54 High Satisfactory 1966 Flood Risk Reduction
Dansville Reservoir Dam New York Steuben 54 High Satisfactory 1937 Water Supply
Oquaga Creek State Park Dam New York Broome 54 High Poor 1976 Recreation
Ischua Creek Watershed Dam #5 New York Cattaraugus 54 High Fair 1961 Flood Risk Reduction
Waverly Lower Reservoir Dam New York Tioga 54 High Poor 1880 Water Supply
Diverting Reservoir Dam New York Putnam 54 High Satisfactory 1911 Water Supply
Five Falls New York St. Lawrence 53 High Satisfactory 1954 Hydroelectric
South Edwards New York St. Lawrence 53 Significant Satisfactory 1914 Hydroelectric
Jamesville Reservoir Dam New York Onondaga 53 High Poor 1874 Navigation
Higinbotham Brook Watershed Dam New York Madison 53 High Satisfactory 1978 Flood Risk Reduction
Newtown Hoffman Site 3a Dam New York Chemung 53 High Satisfactory 1976 Recreation
Crescent - Dam A New York Albany 53 High Not Available 1912 Hydroelectric
Brocton Reservoir Dam New York Chautauqua 52 High Fair 1952 Water Supply
Newtown Hoffman Site 5a Dam New York Chemung 52 High Satisfactory 1999 Flood Risk Reduction
Groveville New York Dutchess 52 High Satisfactory 1875 Hydroelectric
Prospect New York Herkimer 52 High Satisfactory 1959 Hydroelectric
Mill Brook Site 1 Dam New York Chenango 52 High Fair 1979 Flood Risk Reduction
Melzingah Dam New York Dutchess 51 High Poor 1924 Water Supply
Ischua Creek Watershed Dam #4 New York Cattaraugus 51 High Fair 1961 Flood Risk Reduction
Conewango Creek Site 16 Dam New York Cattaraugus 51 High Fair 1964 Flood Risk Reduction
High Falls New York Lewis 50 High Satisfactory 1925 Hydroelectric
Bradley Lake Dam New York Rensselaer 50 High Fair 1859 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.