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 |
|---|---|---|---|---|---|---|---|
| Lake Macgregor Dam | New York | Putnam | 38 | Significant | Satisfactory | 1955 | Recreation |
| Attica Reservoir Dam (Middle) | New York | Wyoming | 38 | Significant | Not Rated | 1925 | Water Supply |
| Benson Mines Plant Dam | New York | St. Lawrence | 38 | Low | Not Rated | - | Irrigation |
| Village of Cobleskill Holding Pond Dam | New York | Schoharie | 38 | High | Satisfactory | 1986 | Water Supply |
| Ed Pylkas Dam | New York | Tioga | 37 | High | Poor | 1955 | Flood Risk Reduction |
| Churchtown Dam | New York | Columbia | 37 | High | Satisfactory | 1904 | Water Supply |
| Mcgregor Dam | New York | Clinton | 37 | High | Satisfactory | 1968 | Recreation |
| Goshen Reservoir #1 Dam | New York | Orange | 37 | High | Poor | 1963 | Water Supply |
| Altamont Main Reservoir Dam | New York | Albany | 37 | High | Poor | 1898 | Water Supply |
| Chadwick Lake Dam | New York | Orange | 37 | High | Poor | 1926 | Recreation |
| Potuck Reservoir Dam | New York | Greene | 37 | High | Satisfactory | 1930 | Water Supply |
| Green Lake Dam | New York | Erie | 37 | High | Satisfactory | 1909 | Recreation |
| Cortlandt Lake Dam | New York | Westchester | 37 | High | Satisfactory | 1929 | Recreation |
| Palmer Falls | New York | Warren | 37 | Low | Satisfactory | 1913 | Hydroelectric |
| Brady Pond Dam and Dike | New York | Dutchess | 37 | High | Satisfactory | 2001 | Recreation |
| Higley | New York | St. Lawrence | 37 | High | Satisfactory | 1925 | Hydroelectric |
| Allens Falls | New York | St. Lawrence | 37 | High | Satisfactory | 1991 | Hydroelectric |
| Otter Creek Dam | New York | Orleans | 37 | Significant | Poor | 1916 | Recreation |
| Nanticoke Creek Site 9a Dam | New York | Broome | 37 | High | Satisfactory | 1965 | Flood Risk Reduction |
| 30 Foot Dam | New York | Tompkins | 36 | High | Poor | 1903 | Recreation |
| Roxbury Dam | New York | Delaware | 36 | High | Poor | 1912 | Recreation |
| Cliff Lake | New York | Sullivan | 36 | High | Satisfactory | 1930 | Hydroelectric |
| Treman Lake Dam | New York | Tompkins | 36 | Significant | Poor | 1930 | Recreation |
| Larchwood Lake Dam | New York | Otsego | 36 | High | Satisfactory | 1969 | Recreation |
| Snow Making Pond Dam | New York | Ulster | 36 | Low | Not Rated | 1975 | Recreation |
| Silver Mine Lake Dam | New York | Orange | 36 | Significant | Poor | 1934 | Recreation |
| Dwyer Dam | New York | Tompkins | 36 | Low | Not Rated | 1966 | Other |
| Silver Stream Reservoir Dam | New York | Orange | 36 | High | Satisfactory | 1923 | Water Supply |
| Mayfield Dam | New York | Fulton | 36 | Low | Not Rated | 1930 | Recreation |
| Camp Chautauqua Pond Dam | New York | Cattaraugus | 36 | Significant | Not Rated | 1965 | Recreation |
| Beaver Brook Site #1 Dam | New York | Herkimer | 36 | High | Poor | 2002 | Flood Risk Reduction |
| Curtis | New York | Saratoga | 36 | Low | Satisfactory | 1913 | Hydroelectric |
| Mogisca Lake Dam | New York | Sullivan | 36 | Significant | Not Rated | 1976 | Recreation |
| Woodland Reservoir Dam | New York | Onondaga | 36 | High | Satisfactory | 1894 | Water Supply |
| College Hill Park Reservoir Dam | New York | Dutchess | 36 | Significant | Satisfactory | 1922 | Other |
| Hoffman Creek Dam | New York | Chemung | 36 | High | Poor | 1871 | Water Supply |
| Cobalt Lake Dam | New York | Dutchess | 36 | Low | Not Rated | 1953 | Other |
| Silver Creek Reservoir Dam | New York | Chautauqua | 35 | Significant | Not Rated | 1925 | Water Supply |
| Helderberg Lake Dam | New York | Albany | 35 | High | Fair | 1944 | Recreation |
| Livonia Reservoir Dam | New York | Livingston | 35 | Low | Not Rated | 1926 | Water Supply |
| Guymard Lake Dam | New York | Orange | 35 | Low | Poor | 1858 | Recreation |
| North Lake B Dam | New York | Herkimer | 35 | High | Poor | 1850 | Navigation |
| Palmer Lake Dam | New York | Essex | 35 | Low | Not Rated | 1920 | Other |
| Sherburne Upper Reservoir Dam | New York | Chenango | 35 | Low | Poor | 1917 | Water Supply |
| Pleasure Lake Dam | New York | Sullivan | 35 | High | Satisfactory | 1875 | Recreation |
| Beaver Dam Lake Dam | New York | Orange | 35 | High | Satisfactory | 1913 | Other |
| High Dam | New York | Oswego | 35 | High | Fair | 1928 | Hydroelectric |
| Philmont Reservoir Dam | New York | Columbia | 35 | Significant | Not Rated | 1916 | Recreation |
| Lake Frederick | New York | Orange | 35 | High | Poor | 1911 | Recreation |
| White Plains Reservoir #2 Dam | New York | Westchester | 35 | High | Satisfactory | 1907 | Water Supply |
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.