New York Dams
1,871 dams tracked by the National Inventory of Dams
Total Dams
1,871
High Hazard
419
22.4%
Poor / Unsatisfactory
289
Average Age
89 yrs
Hazard Classification
High419 (22.4%)
Significant544 (29.1%)
Low901 (48.2%)
Condition Assessment
Satisfactory348 (18.6%)
Fair98 (5.2%)
Poor / Unsatisfactory289 (15.4%)
Not Rated1,136 (60.7%)
Federal
26
State
281
Local
506
Private
785
Tallest Dams
- Mount Morris Dam249 ft
- Ashokan Dam213 ft
- Downsville Dam204 ft
- Merriman Dam195 ft
- Neversink Reservoir Dam190 ft
High Hazard Dams
- Mount Morris DamHigh
- Ashokan DamHigh
- Downsville DamHigh
- Merriman DamHigh
- Neversink Reservoir DamHigh
Poor Condition Dams
- Inghams DamPoor
- Toronto Unsatisfactory
- Mill Brook Site 2 DamPoor
- Sidney Reservoir #5 DamPoor
- 60 Foot DamPoor
All Dams in New York
Showing 901–925 of 1,871
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Lake In The Sky Dam Schoharie County | 17 | 1967 | Low | Not Rated |
| Lake Jefferson Sullivan County | 22 | 1927 | High | Unsatisfactory |
| Lake Kanawauke Dam Rockland County | 20 | 1918 | High | Not Rated |
| Lake Kora Dam Hamilton County | 25 | 1977 | Low | Not Rated |
| Lake La Barr Dam Sullivan County | 18 | 1964 | Significant | Not Rated |
| Lake Lagrange Dam Wyoming County | 45 | 1961 | Low | Not Rated |
| Lake Lincolndale Dam Westchester County | 22 | 1935 | High | Poor |
| Lake Lorraine Dam Rensselaer County | 26 | 1973 | Low | Not Rated |
| Lake Lorraine Dam Chenango County | 20 | 1966 | Low | Not Rated |
| Lake Louise Marie Dam Sullivan County | 25 | 1912 | High | Satisfactory |
| Lake Lucille Dam Rockland County | 13 | 1935 | High | Not Rated |
| Lake Ludlow Club Dam Chenango County | 24 | 1937 | Significant | Satisfactory |
| Lake Luzerne Dam Warren County | 5 | 1860 | Significant | Not Rated |
| Lake Macgregor Dam Putnam County | 38 | 1955 | Significant | Not Rated |
| Lake Mahopac Dam Putnam County | 9 | 1940 | High | Not Rated |
| Lake Maratanza Dam Ulster County | 12 | 1923 | Significant | Fair |
| Lake Moraine Dam Madison County | 56 | 1836 | High | Fair |
| Lake Muskoday Dam Sullivan County | 17 | 1925 | Low | Satisfactory |
| Lake Nancy Dam Saratoga County | 17 | 1977 | Low | Not Rated |
| Lake Nityananda Dam Sullivan County | 25 | 1994 | Low | Not Rated |
| Lake Oberon Dam Onondaga County | 12 | 1974 | Significant | Satisfactory |
| Lake Oniad Dam Dutchess County | 8 | — | Low | Not Rated |
| Lake Peekskill Dam Putnam County | 16 | 1928 | High | Not Rated |
| Lake Placid Dam Essex County | 7 | 1904 | Low | Not Rated |
| Lake Pocatello Dam Orange County | 14 | 1922 | Significant | Poor |
Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.