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 51–75 of 98
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Leland Pond Dam Madison County | 15 | 1836 | Significant | Fair |
| Lake Stahahe Dam Orange County | 14 | 1918 | High | Fair |
| Lake Moraine Dam Madison County | 56 | 1836 | High | Fair |
| Lake Maratanza Dam Ulster County | 12 | 1923 | Significant | Fair |
| Lake George Outlet Essex County | 8 | 1880 | High | Fair |
| Lake Cohasset Lower Dam Orange County | 21 | 1924 | High | Fair |
| Knowlesville Marsh Dam Genesee County | 11 | 1964 | Low | Fair |
| Kingsley Brook Reservoir Dam Madison County | 63 | 1836 | High | Fair |
| Kents Falls Clinton County | 59 | 1991 | High | Fair |
| Jennings Pond Dam Tompkins County | 17 | 1986 | High | Fair |
| Iroquois #5 Dam Orleans County | 11 | 1970 | Low | Fair |
| Indian Kill Reservoir Dam Orange County | 23 | 1958 | Significant | Fair |
| Ilion Reservoir #3 Dam Herkimer County | 76 | 1921 | High | Fair |
| Highland Lake Dam Orange County | 30 | 1920 | High | Fair |
| High Dam Oswego County | 35 | 1928 | High | Fair |
| Helderberg Lake Dam Albany County | 35 | 1944 | High | Fair |
| Hannibal Dam Oswego County | 10 | 1907 | Significant | Fair |
| Halsey Pond Dam Westchester County | 25 | — | High | Fair |
| Greenleaf Dike Orange County | 32 | 1925 | High | Fair |
| Glass Lake Dam Rensselaer County | 18 | 1916 | Significant | Fair |
| Garnet Lake Dam Warren County | 15 | 1903 | High | Fair |
| Fredonia Reservoir Dam Chautauqua County | 80 | 1937 | High | Fair |
| Forge Dam Franklin County | 25 | 1921 | Significant | Fair |
| Erieville Reservoir Dam Madison County | 55 | 1850 | High | Fair |
| Edgecomb Pond Dam Warren County | 16 | 1979 | High | Fair |
Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.