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 476–500 of 544
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Town of Mt. Pleasant Water District #2 Dam Westchester County | 10 | 1915 | Significant | Not Rated |
| Town of Mt. Pleasant Water District #3 Dam Westchester County | 7 | 1915 | Significant | Not Rated |
| Treadwell Mills Clinton County | 24 | 1938 | Significant | Satisfactory |
| Treasure Lake Dam Sullivan County | 7 | 1911 | Significant | Not Rated |
| Treman Lake Dam Tompkins County | 36 | 1930 | Significant | Poor |
| Trenton Falls - Main Dam Herkimer County | 60 | 1901 | Significant | Satisfactory |
| Triple L Lake Dam Sullivan County | 30 | 1966 | Significant | Not Rated |
| Troy Lock and Dam 1 Albany County | 20 | 1915 | Significant | Not Available |
| Tub Mill Pond Dam Essex County | 21 | 1912 | Significant | Not Rated |
| Tully Forest Pond #1 Dam Cortland County | 9 | 1953 | Significant | Satisfactory |
| Tuxedo Lake Dam Orange County | 14 | 1898 | Significant | Not Rated |
| Upper Earlville Reservoir Dam Madison County | 20 | 1936 | Significant | Not Rated |
| Upper Fulton Lock & Dam 2 Oswego County | 13 | 1927 | Significant | Fair |
| Upper Lounsbury Pond Dam Westchester County | 15 | — | Significant | Not Rated |
| Upper Massapequa Lake Dam Nassau County | 11 | 1900 | Significant | Poor |
| Upper Mechanicville Saratoga County | 19 | 1882 | Significant | Satisfactory |
| Upper North Channel Dam Jefferson County | 24 | 1948 | Significant | Not Rated |
| Upper Teakettle Spout Lake Dam Putnam County | 11 | 1950 | Significant | Poor |
| U S Gypsum Reservoir Dam Genesee County | 20 | 1927 | Significant | Not Rated |
| Van Derheyden Reservoir Dam Rensselaer County | 14 | 1868 | Significant | Not Rated |
| Vanista Hollow Pond Dam Chenango County | 22 | 2008 | Significant | Not Rated |
| Van Natta Dam Tompkins County | 12 | 1907 | Significant | Poor |
| Varick Lock & Dam 7 Oswego County | 14 | 1926 | Significant | Satisfactory |
| Vestal Hills Golf Club Dam Broome County | 15 | — | Significant | Fair |
| Village of Lyndonville Dam Orleans County | 11 | 1948 | Significant | Not Rated |
Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.