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 151–175 of 278
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Lake Suzanne Dam Rockland County | 19 | 1986 | High | Poor |
| Lake Skemonto Dam Orange County | 29 | 1934 | Significant | Poor |
| Lake Sekunna Dam Dutchess County | 10 | 1935 | Significant | Poor |
| Lake Sebago Dam Rockland County | 30 | 1925 | High | Poor |
| Lake Roxanne Dam Clinton County | 17 | 1967 | Significant | Poor |
| Lake Pocatello Dam Orange County | 14 | 1922 | Significant | Poor |
| Lake Lincolndale Dam Westchester County | 22 | 1935 | High | Poor |
| Lake Frederick Orange County | 35 | 1911 | High | Poor |
| Lake Dark Hollow Dam Westchester County | 28 | 1913 | Significant | Poor |
| Lake Cohasset Upper Dam Orange County | 25 | 1924 | High | Poor |
| Lake Casse Dam Putnam County | 14 | 1953 | Significant | Poor |
| Lake Carmel Dam Putnam County | 25 | 1930 | High | Poor |
| Lake Boyce Dam Rockland County | 16 | 1929 | Significant | Poor |
| Lake Adirondack Dam Hamilton County | 18 | 1910 | High | Poor |
| Korianski Pond Dam Delaware County | 22 | 1974 | Significant | Poor |
| Kingston Reservoir #2 Dam Ulster County | 40 | 1910 | Significant | Poor |
| Kazam Pond Dam Delaware County | 35 | 1977 | Significant | Poor |
| Kasoag Lake Dam Oswego County | 10 | 1820 | Low | Poor |
| Kane Dam Rensselaer County | 25 | 1923 | Significant | Poor |
| Joseph Torch Lake Dam Broome County | 31 | 1966 | Significant | Poor |
| John Patrick Pond Dam Rockland County | 13 | 1955 | Significant | Poor |
| Jamesville Reservoir Dam Onondaga County | 53 | 1874 | High | Poor |
| Ireland Vly Dam Saratoga County | 29 | 1931 | Significant | Poor |
| Inghams Dam Fulton County | 125 | 1911 | High | Poor |
| Indian Lake Stone Dam Hamilton County | 47 | 1898 | High | Poor |
Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.