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 201–225 of 419
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Lock 33 Dam Erie Canal Monroe County | 40 | 1908 | High | Poor |
| Lock 32 Dam Erie Canal Monroe County | 40 | 1908 | High | Poor |
| Lock 24 Dam Erie Canal Onondaga County | 21 | 1908 | High | Poor |
| Little Dam Lake Dam Orange County | 12 | 1897 | High | Satisfactory |
| Little Choconut Site 2e Dam Broome County | 58 | 1968 | High | Not Rated |
| Little Choconut Site 2c Dam Broome County | 59 | 1968 | High | Not Rated |
| Little Choconut Site 2b Dam Broome County | 56 | 1968 | High | Not Rated |
| Little Choconut Site 2a Dam Broome County | 33 | 1968 | High | Not Rated |
| Little Choconut Site 1a Dam Broome County | 35 | 1969 | High | Not Rated |
| Lighthouse Hill Oswego County | 47 | 1930 | High | Fair |
| Lewiston Reservoir Dike Niagara County | 119 | 1963 | High | Satisfactory |
| Larkin Creek Dam Monroe County | 13 | 1977 | High | Satisfactory |
| Larchwood Lake Dam Otsego County | 36 | 1969 | High | Satisfactory |
| Larchmont Water Company Dam #2 Westchester County | 31 | 1935 | High | Poor |
| Lake Welch Dam Rockland County | 32 | 1937 | High | Poor |
| Lake Tiorati Dam Orange County | 21 | 1915 | High | Satisfactory |
| Lake Suzanne Dam Rockland County | 19 | 1986 | High | Poor |
| Lake Stahahe Dam Orange County | 14 | 1918 | High | Fair |
| Lake Sebago Dam Rockland County | 30 | 1925 | High | Poor |
| Lake Peekskill Dam Putnam County | 16 | 1928 | High | Not Rated |
| Lake Moraine Dam Madison County | 56 | 1836 | High | Fair |
| Lake Mahopac Dam Putnam County | 9 | 1940 | High | Not Rated |
| Lake Lucille Dam Rockland County | 13 | 1935 | High | Not Rated |
| Lake Louise Marie Dam Sullivan County | 25 | 1912 | High | Satisfactory |
| Lake Lincolndale Dam Westchester County | 22 | 1935 | High | Poor |
Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.