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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
Sand Lake Dam New York Herkimer 30 Low Not Rated 1901 Navigation
Woodward Dam New York Orange 30 High Fair 1901 Water Supply
Medway Dam New York Greene 30 Significant Poor 1967 Water Supply
Loughberry Lake Dam New York Saratoga 30 High Poor — Water Supply
Ridgewood Reservoir Dam New York Queens 30 Low Not Rated 1891 Water Supply
Lake Sebago Dam New York Rockland 30 High Poor 1925 Recreation
Vischer Ferry New York Saratoga 30 High Satisfactory 1913 Hydroelectric
M S Abbey & Paul Emerson Dam New York Yates 30 Low Not Rated 1964 Recreation
Stuart Mitchell Pond Dam New York Yates 30 Low Not Rated 1964 Recreation
Spencers Lake Dam New York Tioga 30 Significant Poor 1977 Recreation
Delanson Reservoir Dam New York Schenectady 30 Low Not Rated 1915 Water Supply
Highland Falls #2 Dam New York Orange 30 Significant Poor 1909 Water Supply
Pecks Dam New York Ulster 30 Significant Poor 1962 Recreation
Highland Lake Dam New York Orange 30 High Fair 1920 Water Supply
Keenan Reservoir Dam New York Warren 30 High Satisfactory 1892 Water Supply
Triple L Lake Dam New York Sullivan 30 Significant Not Rated 1966 Recreation
South Lake Dam New York Herkimer 30 High Satisfactory 1901 Recreation
High Falls New York Ulster 30 Low Satisfactory 1935 Hydroelectric
Rainbow Lodge Dam New York Delaware 30 Low Not Rated — Recreation
Rensselaer Lake Dam New York Albany 30 High Poor 1850 Recreation
Soft Maple Dike No. 2 New York Lewis 30 Low Satisfactory 1926 Hydroelectric
Pike Brook Dam New York Washington 30 Significant Poor 1924 Water Supply
Teelins Pond Dam New York Oneida 30 Low Not Rated 1917 Recreation
Hornell Reservoir #2 Dam New York Steuben 30 Low Not Rated 1918 Water Supply
Soft Maple Dike No. 3 New York Lewis 30 Low Satisfactory 1926 Hydroelectric
Sterling Forest Lake Dam New York Orange 30 High Satisfactory 1953 Recreation
Cobleskill Upper Reservoir Dam New York Schoharie 30 High Satisfactory 1967 Water Supply
Galway Lake Dam New York Saratoga 30 High Satisfactory 1982 Recreation
Binnewater Reservoir Dam & Dike New York Ulster 30 High Poor 1926 Recreation
New Rochelle Reservoir #3 Dam New York Westchester 30 High Poor 1908 Recreation
Lusk Reservior New York Orange 30 High Poor 1895 Water Supply
Herr Pond Dam New York Allegany 29 Significant Not Rated 1956 Recreation
White Crane Lake Dam New York Sullivan 29 High Satisfactory 2005 Recreation
Lake Skenonto Dam New York Orange 29 Significant Poor 1934 Recreation
Ireland Vly Dam New York Saratoga 29 Significant Satisfactory 1931 Water Supply
West Pond At Pawling Properties Dam New York Dutchess 29 Significant Poor — Fish and Wildlife Pond
Garnerville Dam New York Rockland 29 Significant Fair 1875 Other
Humphrey Pond Dam New York Wyoming 29 Significant Not Rated — Recreation
Klondike Reservoir Dam New York Herkimer 29 Low Not Rated 1898 Water Supply
Denley New York Lewis 29 Low Satisfactory 1912 Hydroelectric
Fourth Street East Impoundment Dam New York Jefferson 29 Low Not Rated 1987 Flood Risk Reduction
Bog Meadow Reservoir Dam New York Orange 29 Significant Fair 1996 Water Supply
Colton New York St. Lawrence 29 High Satisfactory 1919 Hydroelectric
Hadlock Pond Dam New York Washington 29 High Satisfactory 1896 Recreation
Tivoli Lake Dam New York Rockland 29 High Poor 1908 Recreation
Salisbury Mills Dam New York Orange 29 Low Not Rated 1922 Hydroelectric
George R Cogar Pond Dam New York Herkimer 29 Low Not Rated 1974 Recreation
Warrensburg New York Warren 28 Low Satisfactory 1909 Hydroelectric
Newark Reservoir # 2 Dam New York Ontario 28 Significant Not Rated 1919 Recreation
Camp Harriman Dam New York Greene 28 High Satisfactory 1913 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.