Browse Dams
1,941 dams in the National Inventory of Dams.
National Inventory of Dams
Browse 1,941 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 |
|---|---|---|---|---|---|---|---|
| Niagara Mohawk Power Dam | New York | St. Lawrence | 11 | Significant | Not Rated | 1916 | Hydroelectric |
| Tubbs Pond Dam | New York | Albany | 11 | Low | Not Rated | 1962 | Other |
| Mill Pond Dam | New York | Suffolk | 11 | Low | Not Rated | 1920 | Other |
| Great Patchogue Lake Dam | New York | Suffolk | 11 | Low | Not Rated | 1917 | Recreation |
| Peconic River Sportsman Club Dam | New York | Suffolk | 11 | Significant | Satisfactory | 1925 | Other |
| Upper Teakettle Spout Lake Dam | New York | Putnam | 11 | Significant | Poor | 1950 | Recreation |
| Briscoe Lake Dam | New York | Sullivan | 11 | Low | Not Rated | 1828 | Recreation |
| Upper Massapequa Lake Dam | New York | Nassau | 11 | High | Poor | 1900 | Recreation |
| Potsdam - West Dam | New York | St. Lawrence | 11 | Low | Satisfactory | 1990 | Hydroelectric |
| Iroquois #5 Dam | New York | Orleans | 11 | Low | Fair | 1970 | Fish and Wildlife Pond |
| Onderdonk Lake Dam | New York | Albany | 11 | Significant | Poor | 1928 | Recreation |
| Rev Woodrow Brown Dam | New York | Chenango | 11 | Low | Not Rated | 1961 | Recreation |
| Keuka Lake Outlet Dam | New York | Yates | 11 | High | Satisfactory | 1880 | Recreation |
| Amawalk Lake North Dam | New York | Westchester | 11 | Low | Not Rated | 1972 | Water Supply |
| Larchmont Dam | New York | Westchester | 10 | Significant | Poor | 1925 | Other |
| Geiger Dam | New York | Delaware | 10 | Low | Not Rated | 2009 | Recreation |
| Boehmler Pond Dam | New York | Orange | 10 | Low | Not Rated | — | Water Supply |
| Knickerbocker Pond Dam | New York | Sullivan | 10 | Low | Not Rated | 2006 | Recreation |
| Gooseneck Reservoir Dam | New York | Essex | 10 | Low | Not Rated | 1951 | Recreation |
| Henrich Pond Dam | New York | Rockland | 10 | Significant | Poor | 1960 | Other |
| Movable Dam At Mays Point | New York | Seneca | 10 | Low | Not Rated | 1915 | Navigation |
| Allen Lake Dam | New York | Otsego | 10 | Low | Not Rated | 1940 | Water Supply |
| Marsh Creek Dam | New York | Steuben | 10 | Low | Not Rated | 1951 | Recreation |
| Joseph Boyd Dam | New York | Washington | 10 | Low | Not Rated | 1968 | Fish and Wildlife Pond |
| Merriewold Lake Dam | New York | Sullivan | 10 | Significant | Poor | 1914 | Recreation |
| Morningside Lake Dam | New York | Sullivan | 10 | Low | Not Rated | 1945 | Recreation |
| Smeallie Dam | New York | Montgomery | 10 | Significant | Poor | 1974 | Irrigation |
| Avon Marsh Dam | New York | Livingston | 10 | Significant | Satisfactory | 1980 | Recreation |
| Stark Falls Dike G | New York | St. Lawrence | 10 | Significant | Satisfactory | 1957 | Hydroelectric |
| Blind Pond Dam | New York | Sullivan | 10 | Low | Not Rated | 1960 | Recreation |
| Windy Wes Golf Course Dam | New York | Orange | 10 | Low | Not Rated | 1990 | Recreation |
| Mountain Lake Dam | New York | Sullivan | 10 | Low | Not Rated | 1928 | Recreation |
| Dixie Lake Dam | New York | Sullivan | 10 | Low | Not Rated | 1930 | Recreation |
| Kenozia Lake Dam | New York | Ulster | 10 | Low | Not Rated | 1958 | Recreation |
| Bear Pond Dam | New York | Warren | 10 | Low | Not Rated | 1927 | Recreation |
| Watertown Dosing Station Dam | New York | Jefferson | 10 | Low | Not Rated | 1917 | Water Supply |
| Brooks Lake Dam | New York | Orange | 10 | Significant | Fair | — | Fire Protection, Stock, Or ... |
| Duane Lake Outfall Dam | New York | Schenectady | 10 | Low | Not Rated | — | Recreation |
| Hannibal Dam | New York | Oswego | 10 | Significant | Fair | 1907 | Fire Protection, Stock, Or ... |
| Wood Haven Camp Dam | New York | Saratoga | 10 | Low | Not Rated | 1980 | Recreation |
| Holcomb Pond Dam | New York | Sullivan | 10 | Significant | Not Rated | 1933 | Recreation |
| Davies Lake Dam | New York | Sullivan | 10 | Low | Not Rated | 1956 | Recreation |
| Davignon Pond Dam | New York | Saratoga | 10 | Low | Not Rated | 1922 | Recreation |
| Wampus Lake Reservoir Dam | New York | Westchester | 10 | Significant | Poor | 1940 | Recreation |
| Bentley Wildlife Marsh Dam | New York | Cattaraugus | 10 | Low | Not Rated | 2001 | Fish and Wildlife Pond |
| Charles J Owens Dam | New York | Tioga | 10 | Low | Not Rated | 1972 | Recreation |
| Churchville Dam | New York | Monroe | 10 | Low | Satisfactory | 1911 | Recreation |
| Richard Lebbon Recreational Pond Dam | New York | Steuben | 10 | Low | Not Rated | 1966 | Recreation |
| L Hance Wetland Reserve Dam | New York | St. Lawrence | 10 | Low | Not Rated | 2000 | Fish and Wildlife Pond |
| Harrisburg Lake Dam | New York | Warren | 10 | Low | Not Rated | 1918 | 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.