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 376–400 of 419
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Tivoli Lake Dam Rockland County | 29 | 1908 | High | Poor |
| Toasperns Pond Dam Sullivan County | 27 | 1940 | High | Fair |
| Tomahawk Lake Dam Orange County | 25 | 1929 | High | Satisfactory |
| Tomhannock Reservoir Dam Rensselaer County | 68 | 1905 | High | Satisfactory |
| Toronto Sullivan County | 103 | 1926 | High | Unsatisfactory |
| Trinity Dam Westchester County | 50 | 1966 | High | Satisfactory |
| Tyrone Power Company Dam Schuyler County | 20 | 1953 | High | Poor |
| Union Falls Clinton County | 24 | 1905 | High | Satisfactory |
| Upper Beaver Falls Lewis County | 27 | 1937 | High | Satisfactory |
| Upper Larchmont Road Dam Chemung County | 25 | 2005 | High | Poor |
| Upper (North) Wiccopee Dam Putnam County | 34 | 1939 | High | Not Rated |
| Utica Reservoir #2 Dam Oneida County | 25 | 1868 | High | Not Rated |
| Utica Reservoir #4 Dam Oneida County | 55 | 1886 | High | Not Rated |
| Utica Reservoir #5 Dam Oneida County | 34 | 1896 | High | Poor |
| Velasko Road Detention Basin Dam Onondaga County | 13 | 1980 | High | Satisfactory |
| Village of Cobleskill Holding Pond Dam Schoharie County | 38 | 1986 | High | Satisfactory |
| Virgil Creek Watershed Floodwater Dam Tompkins County | 70 | 1998 | High | Satisfactory |
| Vischer Ferry Saratoga County | 30 | 1913 | High | Satisfactory |
| Vly Creek Reservoir Dam Albany County | 25 | 1957 | High | Satisfactory |
| Vly Creek Reservoir Dike Albany County | 40 | 1957 | High | Satisfactory |
| Wanaksink Lake Dam Sullivan County | 22 | 1852 | High | Satisfactory |
| Wappingers Falls Dutchess County | 20 | 1872 | High | Satisfactory |
| Waterbury Roadway Embankment Oswego County | 5 | 1914 | High | Satisfactory |
| Waterloo Seneca County | 17 | 1915 | High | Satisfactory |
| Watervliet Lower Dam Albany County | 27 | 1912 | High | Satisfactory |
Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.