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 1451–1475 of 1,871
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Deruyter Dam Onondaga County | 68 | 1863 | High | Poor |
| Depression Pond Dam Dutchess County | 20 | 1945 | Low | Not Rated |
| Deposit Reservoir Dam Broome County | 21 | — | Significant | Poor |
| Denz Pond Dam Erie County | 25 | 2007 | Low | Not Rated |
| Denley Lewis County | 29 | 1912 | Low | Satisfactory |
| Delta Dam Oneida County | 106 | 1912 | High | Fair |
| Delaware Park Lake Dam Erie County | 10 | 1980 | Low | Not Rated |
| Delaware Hunting Club Dam Sullivan County | 12 | — | Low | Not Rated |
| Delanson Reservoir Dam Schenectady County | 30 | 1915 | Low | Not Rated |
| Delafield Pond Orange County | 18 | — | High | Unsatisfactory |
| De Flora Brothers Dam Lower Dutchess County | 28 | 1959 | Significant | Not Rated |
| Deferiet Jefferson County | 18 | 1899 | Low | Satisfactory |
| Defense Plant Corp Pond Dam (Mill #7) Essex County | 25 | 1942 | Low | Not Rated |
| Deer River Flow Dam Franklin County | 10 | 1904 | Low | Not Rated |
| Deer Lake Dam Delaware County | 20 | 1940 | Low | Not Rated |
| Deer Lake Dam Broome County | 10 | — | Low | Not Rated |
| Deerfield Reservoir #6 Dam Oneida County | 50 | 1900 | High | Satisfactory |
| Deep Kill Dam Rensselaer County | 25 | 1898 | Low | Not Rated |
| Dead Creek Dam Clinton County | 8 | — | Low | Not Rated |
| Davis Lake Dam Clinton County | 22 | 1957 | Significant | Poor |
| Davignon Pond Dam Saratoga County | 10 | 1922 | Low | Not Rated |
| Davies Lake Dam Sullivan County | 10 | 1956 | Low | Not Rated |
| David Williams Recreational Lake Dam Allegany County | 19 | 1971 | Low | Not Rated |
| David Ulmar Pond Dam Putnam County | 15 | 1953 | Low | Not Rated |
| Dashville Dam Ulster County | 34 | 1922 | Low | Not Rated |
Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.