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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
Mount Beacon Reservoir Dam New York Dutchess 35 High Satisfactory 1922 Water Supply
Little Choconut Site 1a Dam New York Broome 35 High Fair 1969 Flood Risk Reduction
Helderberg Lake Dam New York Albany 35 High Fair 1944 Recreation
Heuvelton New York St. Lawrence 35 Significant Satisfactory 1923 Hydroelectric
Silver Creek Reservoir Dam New York Chautauqua 35 Significant Not Rated 1925 Water Supply
Pocantico Lake Dam New York Westchester 35 High Satisfactory 1916 Other
White Plains Reservoir #2 Dam New York Westchester 35 High Satisfactory 1907 Water Supply
Kazam Pond Dam New York Delaware 35 Significant Poor 1977 Other
Holimont Upper Reservoir Dam New York Cattaraugus 35 High Satisfactory 2003 Other
Sherburne Upper Reservoir Dam New York Chenango 35 Low Poor 1917 Water Supply
Philmont Reservoir Dam New York Columbia 35 Significant Not Rated 1916 Recreation
North Lake B Dam New York Herkimer 35 High Not Rated 1850 Navigation
Jamesville Water District Dam New York Onondaga 35 Low Not Rated 1927 Water Supply
High Dam New York Oswego 35 High Fair 1928 Hydroelectric
Colliersville New York Otsego 35 High Fair 1908 Hydroelectric
Bradley Brook Reservoir Dam New York Madison 35 Significant Fair 1878 Other
Newton Falls Stabilization Pond #4 Dam New York St. Lawrence 35 Low Not Rated 1965 Other
Bennetts Bridge New York Oswego 35 High Fair 1914 Hydroelectric
Pleasure Lake Dam New York Sullivan 35 High Satisfactory 1875 Recreation
Beaver Dam Lake Dam New York Orange 35 High Satisfactory 1913 Other
Bradner Creek Dam New York Livingston 34 Low Not Rated 1921 Recreation
High Falls - Intake Structure New York Clinton 34 High Satisfactory 1917 Hydroelectric
Upper (North) Wiccopee Dam New York Putnam 34 High Satisfactory 1939 Water Supply
Darlton Lake Dam New York Delaware 34 Significant Fair 1967 Recreation
Wilkie Reservoir Dam New York Warren 34 High Satisfactory 1914 Water Supply
Utica Reservoir #5 Dam New York Oneida 34 High Poor 1896 Water Supply
Carver Falls New York Washington 34 Low Satisfactory 1894 Hydroelectric
Lock E-4 Embankment Dam New York Saratoga 34 High Not Rated 1915 Navigation
Swan Lake Dam New York Westchester 34 High Poor 1933 Recreation
Doodletown Dam New York Rockland 34 Significant Poor 1976 Recreation
Wilkie Intake Reservoir Dam New York Warren 34 Significant Satisfactory 1914 Water Supply
Hannawa New York St. Lawrence 34 Low Satisfactory 1902 Hydroelectric
White Hollow Dam New York Schuyler 34 Significant Fair 1936 Recreation
Dashville Dam New York Ulster 34 Low Not Rated 1922 Hydroelectric
Rice Reservoir Dam New York Fulton 33 Significant Satisfactory 1882 Water Supply
Wiscoy Dam New York Allegany 33 Significant Not Rated 1921 Other
Texaco Research Center Dam New York Dutchess 33 High Satisfactory 1860 Fire Protection, Stock, Or ...
Little Choconut Site 2a Dam New York Broome 33 High Satisfactory 1968 Flood Risk Reduction
Chiloway Lake Dam New York Delaware 33 Low Not Rated 1961 Recreation
East Syracuse Reservoir Dam New York Onondaga 33 High Poor 1922 Recreation
Cornwall Upper Reservoir Dam New York Orange 33 High Satisfactory 1912 Water Supply
Sluice Gate E-6 Parking Lot Dam New York Saratoga 33 High Satisfactory 1918 Navigation
Nanticoke Creek Site 9c Dam New York Broome 33 High Fair 1967 Flood Risk Reduction
Mechanicville Reservoir Dam New York Saratoga 33 High Satisfactory 1892 Water Supply
Old Brodhead Lake Dam New York Sullivan 33 Low Not Rated 2005 Recreation
Ymca Pond Dam New York Clinton 33 Low Not Rated 1971 Recreation
Lower Warwick Dam New York Orange 33 High Fair 1887 Water Supply
Crescent - Dam B New York Albany 33 High Not Available 1912 Hydroelectric
North Division Street Dam New York Cayuga 32 Significant Satisfactory 1865 Hydroelectric
Macomb New York Franklin 32 Low Satisfactory 1904 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.