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 1051–1075 of 1,871
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Kane Dam Rensselaer County | 25 | 1923 | Significant | Poor |
| Kamargo Jefferson County | 12 | 1920 | Low | Satisfactory |
| Kabau Lake Dam Sullivan County | 18 | 1940 | Low | Not Rated |
| Juengst Dam Putnam County | 16 | 1886 | Low | Not Rated |
| Joseph Torch Lake Dam Broome County | 31 | 1966 | Significant | Poor |
| Joseph Lynch Pond Dam Sullivan County | 9 | 1962 | Low | Not Rated |
| Joseph Karwoski Farm Pond Dam Steuben County | 21 | 1965 | Low | Not Rated |
| Joseph Boyd Dam Washington County | 10 | 1968 | Low | Not Rated |
| Joseph Beaton Dam Oneida County | 17 | 1980 | Low | Not Rated |
| John Winney Dam Saratoga County | 12 | — | Low | Not Rated |
| John Teal Recreational Pond Dam Lewis County | 8 | 1973 | Low | Not Rated |
| Johnsonville Rensselaer County | 39 | 1909 | High | Satisfactory |
| John Patrick Pond Dam Rockland County | 13 | 1955 | Significant | Poor |
| John Orth Dam Madison County | 9 | 1976 | Undetermined | Not Rated |
| John Micha Dam Chenango County | 18 | — | Low | Not Rated |
| John Mc Namara Marsh Pond Dam Steuben County | 8 | 1952 | Low | Not Rated |
| John E Mcintosh Lake Dam Wyoming County | 17 | 1965 | Low | Not Rated |
| John De Neef Pond Dam Wayne County | 7 | 1952 | Low | Not Rated |
| John Crane Dam Delaware County | 27 | — | Low | Not Rated |
| John Carpentor Dam Madison County | 14 | 1962 | Low | Not Rated |
| John Allen Pond Dam Putnam County | 22 | 1935 | Low | Not Rated |
| Jerseyfield Lake Dam Herkimer County | 9 | — | Low | Not Rated |
| Jerome Park Reservoir Dam Bronx County | 42 | 1906 | High | Satisfactory |
| Jerome J Roach Dam Delaware County | 26 | 1965 | Significant | Satisfactory |
| Jericoh Lake Dam Genesee County | 11 | 1952 | Significant | Not Rated |
Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.