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 1201–1225 of 1,871
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Mud Pond Dam Sullivan County | 15 | 1915 | Low | Not Rated |
| Mud Pond Dam Hamilton County | 7 | — | Low | Not Rated |
| Mulford Dam Madison County | 40 | — | Low | Not Rated |
| Murder Creek Dam Erie County | 10 | 1927 | Low | Not Rated |
| Murphy Foundation Dam Schoharie County | 18 | — | Significant | Poor |
| Murphy & Scharman Wildlife Dam Madison County | 9 | 1955 | Low | Not Rated |
| Murray Hill Estates Dam Westchester County | 20 | 1979 | Significant | Poor |
| Muscoot Dam Westchester County | 57 | 1906 | Significant | Not Rated |
| Myosotis Lake Dam Albany County | 22 | 1933 | High | Fair |
| Nancy Lawson Dam Albany County | 20 | 1996 | Low | Not Rated |
| 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 |
| Nassau Lake Dam Rensselaer County | 10 | 1792 | Significant | Not Rated |
| Nathaniel Cole Park Dam Broome County | 46 | 1973 | Significant | Not Rated |
| Nawahunta Dam Orange County | 10 | 1915 | Low | Not Rated |
| Naylor Dam Madison County | 20 | 1974 | Significant | Not Rated |
| Neversink Reservoir Dam Sullivan County | 190 | 1953 | High | Satisfactory |
| Newark Reservoir # 2 Dam Ontario County | 28 | 1919 | Significant | Not Rated |
Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.