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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
Sleepy Hollow Dam New York Greene 83 High Satisfactory 1972 Recreation
Hinckley New York Herkimer 83 High Satisfactory 1914 Hydroelectric
Rainbow New York St. Lawrence 82 High Satisfactory 1956 Hydroelectric
Sherman Island New York Warren 80 High Satisfactory 1923 Hydroelectric
Alice Falls New York Clinton 80 Low Satisfactory 1895 Hydroelectric
Blake New York St. Lawrence 80 High Satisfactory 1957 Hydroelectric
Alcove Dam New York Albany 80 High Satisfactory 1929 Water Supply
Fredonia Reservoir Dam New York Chautauqua 80 High Fair 1937 Water Supply
Sodom Dam New York Putnam 78 High Satisfactory 1892 Water Supply
Boyds Corner Dam New York Putnam 78 High Fair 1872 Water Supply
Sidney Reservoir #5 Dam New York Delaware 77 Significant Poor 1936 Water Supply
Carry Falls Spillway New York St. Lawrence 76 High Satisfactory 1953 Hydroelectric
Ilion Reservoir #3 Dam New York Herkimer 76 High Poor 1921 Water Supply
Brandywine Creek Site 1 Dam New York Broome 76 High Satisfactory 1995 Flood Risk Reduction
Cargill Reservoir Dam New York Putnam 75 High Satisfactory 1931 Water Supply
60 Foot Dam New York Tompkins 75 High Poor 1911 Water Supply
Batavia Kill Watershed Dam #1 New York Greene 74 High Satisfactory 1974 Recreation
Iroquois New York St. Lawrence 72 Significant Satisfactory 1958 Hydroelectric
Flat Rock New York St. Lawrence 72 High Satisfactory 1925 Hydroelectric
Watervliet Upper Dam New York Albany 72 High Satisfactory 1912 Flood Risk Reduction
Newtown Hoffman Site 12e Dam New York Chemung 71 High Satisfactory 1989 Flood Risk Reduction
Hornell Reservoir #3 Dam New York Steuben 71 Low Not Rated 1931 Water Supply
Newtown Hoffman Site 18 Dam New York Chemung 71 High Fair 1978 Flood Risk Reduction
Virgil Creek Watershed Floodwater Dam New York Tompkins 70 High Satisfactory 1998 Flood Risk Reduction
Browns Falls New York St. Lawrence 70 High Satisfactory 1922 Hydroelectric
Tomhannock Reservoir Dam New York Rensselaer 68 High Satisfactory 1905 Water Supply
Deruyter Dam New York Onondaga 68 High Satisfactory 1863 Navigation
Seneca Falls New York Seneca 68 High Unsatisfactory 1912 Hydroelectric
Onondaga Dam New York Onondaga 67 High Satisfactory 1949 Flood Risk Reduction
Nanticoke Creek Site 7a Dam New York Broome 67 High Satisfactory 1981 Flood Risk Reduction
Silver Lake Reservoir Dam New York Richmond 65 High Satisfactory 1917 Recreation
Glen Creek Dam New York Schuyler 65 High Fair 1957 Recreation
Conewango Creek Site 19 Dam New York Cattaraugus 65 High Fair 1971 Flood Risk Reduction
East Canada Lake Dam New York Herkimer 65 High Poor 1924 Hydroelectric
Patterson Brixius Grey Watershed 1 Dam New York Broome 65 High Satisfactory 1966 Flood Risk Reduction
Upper Brine Reservoir Dam New York Cortland 65 Low Not Rated 1963 Irrigation
Ephratah Dam New York Fulton 65 High Poor 1980 Hydroelectric
Carmel Auxiliary Dike New York Putnam 64 High Satisfactory 1895 Water Supply
Steele Reservoir Dam New York Saratoga 64 Significant Satisfactory 1907 Water Supply
Chateaugay Chasm New York Franklin 63 Low Satisfactory 1954 Hydroelectric
Kingsley Brook Reservoir Dam New York Madison 63 High Fair 1836 Recreation
Batavia Kill Watershed Dam #3 New York Greene 63 High Satisfactory 1970 Flood Risk Reduction
Chateaugay High Fall New York Franklin 63 Low Satisfactory 1906 Hydroelectric
Ischua Creek Watershed Dam #6a New York Cattaraugus 63 High Fair 1971 Recreation
High Falls New York Clinton 63 High Satisfactory 1917 Hydroelectric
Beecher Creek Flood Control Dam New York Chemung 63 High Poor 1999 Flood Risk Reduction
Stillwell New York Orange 62 High Unsatisfactory 1948 Water Supply
Finch Hollow Site 1 Dam New York Broome 62 High Satisfactory 1973 Flood Risk Reduction
Lake Ridge Dam New York Albany 60 Significant Not Rated — Flood Risk Reduction
Lock E-17 Dam At Little Falls New York Herkimer 60 Significant Not Rated 1982 Hydroelectric

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.