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 101–125 of 348
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Rainbow Falls Clinton County | 19 | 1926 | Significant | Satisfactory |
| Rainbow Dike No. 2 St. Lawrence County | 30 | 1956 | High | Satisfactory |
| Quaker Run Dam Cattaraugus County | 59 | 1930 | Significant | Satisfactory |
| Quackenderry Creek Dam Rensselaer County | 17 | 2002 | High | Satisfactory |
| Pyrites Intake St. Lawrence County | 27 | 1908 | Low | Satisfactory |
| Prospect Herkimer County | 52 | 1959 | High | Satisfactory |
| Potuck Reservoir Dam Greene County | 37 | 1930 | High | Satisfactory |
| Potsdam - West Dam St. Lawrence County | 11 | 1990 | Low | Satisfactory |
| Potsdam - East Dam St. Lawrence County | 7 | 1903 | Low | Satisfactory |
| Port Leyden Lewis County | 32 | 1983 | Low | Satisfactory |
| Pompey Center Pond Dam Onondaga County | 13 | — | Significant | Satisfactory |
| Pocantico Lake Dam Westchester County | 35 | 1916 | High | Satisfactory |
| Plymouth Reservoir Dam Chenango County | 12 | 1827 | Significant | Satisfactory |
| Pleasure Lake Dam Sullivan County | 35 | 1875 | High | Satisfactory |
| Piercefield St. Lawrence County | 22 | 1914 | High | Satisfactory |
| Phoenix Lock & Dam No. 1 Oswego County | 11 | 1914 | Significant | Satisfactory |
| Philadelphia - Nonoverflow Section Jefferson County | 13 | 1910 | Significant | Satisfactory |
| Paterno Dam Westchester County | 25 | 1950 | High | Satisfactory |
| Parishville St. Lawrence County | 19 | 1925 | Low | Satisfactory |
| Papish Pond Dam Cortland County | 12 | — | High | Satisfactory |
| Palmer Falls Warren County | 37 | 1913 | Low | Satisfactory |
| Otisco Lake Dam Onondaga County | 18 | 1956 | High | Satisfactory |
| Onondaga Dam Onondaga County | 67 | 1949 | High | Satisfactory |
| Ogdensburg St. Lawrence County | 12 | 1910 | High | Satisfactory |
| Oak Orchard Creek Dam Orleans County | 90 | 1917 | High | Satisfactory |
Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.