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 176–200 of 419
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Mechanicville Reservoir Dam Saratoga County | 33 | 1892 | High | Fair |
| Mead Reservoir Dam Clinton County | 60 | 1922 | High | Satisfactory |
| Mckinley Mall Retention Pond Dam Erie County | 25 | 1985 | High | Poor |
| Mcgregor Dam Clinton County | 37 | 1968 | High | Not Rated |
| Massena Intake St. Lawrence County | 118 | 1958 | High | Satisfactory |
| Martin Dunham Reservoir Dam Rensselaer County | 59 | 1913 | High | Poor |
| Mariaville Lake Dam Schenectady County | 16 | 1925 | High | Not Rated |
| Marcy Reservoir #11 Dam Oneida County | 44 | 1915 | High | Not Rated |
| Marcell Roth Lake Dam Putnam County | 12 | 1955 | High | Satisfactory |
| Mamaroneck Reservoir Dam Westchester County | 19 | 1928 | High | Poor |
| Main Mill Dam Clinton County | 25 | 1881 | High | Poor |
| Lusk Reservior Orange County | 30 | 1895 | High | Poor |
| Lower Wee-Wah Lake Dam Orange County | 30 | 1890 | High | Satisfactory |
| Lower Warwick Dam Orange County | 33 | 1887 | High | Fair |
| Lower (South) Wiccopee Dam Putnam County | 45 | 1913 | High | Not Rated |
| Lower Cragston Lake Orange County | 10 | — | High | Unsatisfactory |
| Loughberry Lake Dam Saratoga County | 30 | — | High | Poor |
| Loudonville Reservoir Dam Albany County | 18 | 1936 | High | Satisfactory |
| Loon Lake Dam Warren County | 15 | 1941 | High | Poor |
| Long Sault St. Lawrence County | 132 | 1958 | High | Satisfactory |
| Long Pond Dam Rensselaer County | 9 | 1918 | High | Satisfactory |
| Long Pond Dam Chenango County | 17 | 1900 | High | Poor |
| Lock E-5 Spillway Dam Saratoga County | 26 | 1918 | High | Satisfactory |
| Lock E-4 Embankment Dam Saratoga County | 34 | 1915 | High | Poor |
| Lock E-3 Spillway Bypass Dam Saratoga County | 18 | 1918 | High | Satisfactory |
Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.