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 251–275 of 419
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Mill Pond Dam Rensselaer County | 12 | 1918 | High | Poor |
| Mill River Dam Westchester County | 100 | 1966 | High | Satisfactory |
| Mill Street Dam Cayuga County | 25 | 1800 | High | Satisfactory |
| Minetto Lock & Dam 5 Oswego County | 23 | 1915 | High | Fair |
| Minkel Dam Westchester County | 18 | 1929 | High | Poor |
| Mirror Lake Dam Herkimer County | 25 | — | High | Poor |
| Mongaup Sullivan County | 45 | 1925 | High | Fair |
| Monhagen Lake Dike Orange County | 20 | 1867 | High | Fair |
| Morgan Lake Dam Dutchess County | 20 | 1868 | High | Fair |
| Mountain Brook Dam Putnam County | 58 | 1997 | High | Satisfactory |
| Mount Beacon Reservoir Dam Dutchess County | 35 | 1922 | High | Satisfactory |
| Mount Morris Dam Livingston County | 249 | 1952 | High | Not Available |
| Mud Lock C&S Canal Dam Cayuga County | 20 | 1912 | High | Poor |
| Myosotis Lake Dam Albany County | 22 | 1933 | High | Fair |
| Nanticoke Creek Site 10 Dam Broome County | 58 | 1979 | High | Not Rated |
| Nanticoke Creek Site 13 Dam Broome County | 57 | 1967 | High | Not Rated |
| Nanticoke Creek Site 3 Dam Broome County | 28 | 1970 | High | Fair |
| Nanticoke Creek Site 7a Dam Broome County | 67 | 1981 | High | Satisfactory |
| Nanticoke Creek Site 7b Dam Tioga County | 44 | 1970 | High | Poor |
| Nanticoke Creek Site 8 Dam Broome County | 41 | 1970 | High | Satisfactory |
| Nanticoke Creek Site 9a Dam Broome County | 37 | 1965 | High | Satisfactory |
| Nanticoke Creek Site 9c Dam Broome County | 33 | 1967 | High | Fair |
| Nanticoke Creek Site 9e Dam Broome County | 42 | 1967 | High | Not Rated |
| Neversink Reservoir Dam Sullivan County | 190 | 1953 | High | Satisfactory |
| New Central Park Receiving Res Dam New York County | 38 | 1862 | High | Satisfactory |
Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.