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 1351–1375 of 1,871
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Pine Lake Dam & Dike Washington County | 16 | 1925 | Low | Not Rated |
| Pine Lake Park Dam Westchester County | 12 | — | Significant | Not Rated |
| Pine Meadow Brook Dam Rockland County | 22 | 1935 | Low | Not Rated |
| Pine Meadow Lake Dam Rockland County | 20 | 1934 | Significant | Poor |
| Pinewood Lake Dam Steuben County | 32 | 1960 | Significant | Not Rated |
| Pleasant Lake Dam Fulton County | 9 | 1926 | Low | Not Rated |
| Pleasure Lake Dam Sullivan County | 35 | 1875 | High | Satisfactory |
| Plymouth Reservoir Dam Chenango County | 12 | 1827 | Significant | Satisfactory |
| Pocantico Lake Dam Westchester County | 35 | 1916 | High | Satisfactory |
| Pompey Center Pond Dam Onondaga County | 13 | — | Significant | Satisfactory |
| Pond Lily Dam Columbia County | 9 | — | Low | Not Rated |
| Popolopen Lake Orange County | 32 | — | High | Poor |
| Port Creek Reservoir Dam Fulton County | 56 | 1930 | High | Poor |
| Port Jervis Reservoir #1 Dam Orange County | 20 | 1869 | High | Fair |
| Port Jervis Reservoir #2 Dam Orange County | 41 | 1880 | High | Fair |
| Port Jervis Reservoir #3 Dam Orange County | 35 | 1900 | High | Fair |
| Port Jervis Reservoir #3 Dike Orange County | 12 | 1912 | High | Fair |
| Port Leyden Lewis County | 32 | 1983 | Low | Satisfactory |
| Potake Lake Dam Rockland County | 22 | 1800 | High | Not Rated |
| Potsdam - East Dam St. Lawrence County | 7 | 1903 | Low | Satisfactory |
| Potsdam - West Dam St. Lawrence County | 11 | 1990 | Low | Satisfactory |
| Potuck Reservoir Dam Greene County | 37 | 1930 | High | Satisfactory |
| Premium Mill Pond Dam Westchester County | 11 | — | Low | Not Rated |
| Prospect Herkimer County | 52 | 1959 | High | Satisfactory |
| Pulaski Dam Oswego County | 15 | 1918 | Significant | Poor |
Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.