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 348
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Little Dam Lake Dam Orange County | 12 | 1897 | High | Satisfactory |
| Little Falls Dist Reservoir Dam Herkimer County | 32 | 1960 | Significant | Satisfactory |
| Little Falls Reservoir Dam Herkimer County | 42 | 1901 | Significant | Satisfactory |
| Little Falls State Dam - North Herkimer County | 6 | 1894 | Significant | Satisfactory |
| Lock 4 - Stillwater Rensselaer County | 5 | 1955 | Significant | Satisfactory |
| Lock C-11 Dam Washington County | 15 | 1910 | Significant | Satisfactory |
| Lock C-12 Washington County | 21 | 1911 | Significant | Satisfactory |
| Lock E-3 Spillway Bypass Dam Saratoga County | 18 | 1918 | High | Satisfactory |
| Lock E-5 Spillway Dam Saratoga County | 26 | 1918 | High | Satisfactory |
| Long Pond Dam Rensselaer County | 9 | 1918 | High | Satisfactory |
| Long Sault St. Lawrence County | 132 | 1958 | High | Satisfactory |
| Loudonville Reservoir Dam Albany County | 18 | 1936 | High | Satisfactory |
| Lower Ausable Lake Dam Essex County | 10 | 1912 | Significant | Satisfactory |
| Lower Wee-Wah Lake Dam Orange County | 30 | 1890 | High | Satisfactory |
| Lyonsdale - Dam No. 2 Lewis County | 9 | 1935 | Low | Satisfactory |
| Lyons Falls - Mill 3 Lewis County | 10 | 1922 | Low | Satisfactory |
| Macomb Franklin County | 32 | 1904 | Low | Satisfactory |
| Marcell Roth Lake Dam Putnam County | 12 | 1955 | High | Satisfactory |
| Massena Intake St. Lawrence County | 118 | 1958 | High | Satisfactory |
| Mead Reservoir Dam Clinton County | 60 | 1922 | High | Satisfactory |
| Mechanicville Rensselaer County | 26 | 1900 | Significant | Satisfactory |
| Merriman Dam Ulster County | 195 | 1945 | High | Satisfactory |
| Middle Branch Dam Putnam County | 95 | 1878 | High | Satisfactory |
| Middle Falls Washington County | 48 | 1915 | Low | Satisfactory |
| Mill Brook Site 1 Dam Chenango County | 52 | 1979 | High | Satisfactory |
Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.