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 1751–1775 of 1,871
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Waldemar Derke Pond Dam Delaware County | 11 | 1963 | Significant | Poor |
| Walden Orange County | 32 | 1909 | Low | Satisfactory |
| Walden Pond Dam Orange County | 15 | 1966 | Significant | Fair |
| Waldens Pond Dam Albany County | 26 | 1991 | Low | Poor |
| Walmart Detention Pond A Dam Schoharie County | 31 | — | Low | Not Rated |
| Walmart Detention Pond D Dam Oneida County | 15 | 1995 | Low | Not Rated |
| Walter Hientz Dam Wyoming County | 19 | 1965 | Low | Not Rated |
| Walton Lake Dam Orange County | 8 | 1912 | Significant | Satisfactory |
| Wampus Lake Reservoir Dam Westchester County | 10 | 1940 | Significant | Not Rated |
| Wanaksink Lake Dam Sullivan County | 22 | 1852 | High | Satisfactory |
| Waneta Lake Dam Sullivan County | 14 | 1992 | Low | Not Rated |
| Wappingers Falls Dutchess County | 20 | 1872 | High | Satisfactory |
| Warner Dam Chautauqua County | 12 | 1979 | Significant | Not Rated |
| Warner Lake Dam Albany County | 10 | 1964 | Significant | Fair |
| Warren Bippert Pond Dam Erie County | 13 | 1960 | Low | Not Rated |
| Warrensburg Warren County | 28 | 1909 | Low | Satisfactory |
| Warwick Meadows Dam Orange County | 25 | — | Significant | Poor |
| Washington Lake Dam Orange County | 30 | 1909 | Significant | Satisfactory |
| Wasserlauf Dam Sullivan County | 12 | 1954 | Low | Not Rated |
| Waterbury Roadway Embankment Oswego County | 5 | 1914 | High | Satisfactory |
| Waterloo Seneca County | 17 | 1915 | High | Satisfactory |
| Watertown Dosing Station Dam Jefferson County | 10 | 1917 | Low | Not Rated |
| Watertown Municipal Power Dam Jefferson County | 12 | 1913 | Significant | Not Rated |
| Waterville Reservoir Dam #2 Oneida County | 10 | 1917 | Significant | Not Rated |
| Waterville Upper Storage Reservoir Dam Oneida County | 41 | 1953 | Significant | Not Rated |
Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.