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 1226–1250 of 1,871
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Newark Reservoir Dam #1 Ontario County | 21 | 1919 | Significant | Not Rated |
| New Central Park Receiving Res Dam New York County | 38 | 1862 | High | Satisfactory |
| New Croton Reservoir Dam Westchester County | 174 | 1906 | High | Not Rated |
| Newfane Dam Niagara County | 14 | 1912 | Significant | Fair |
| New Hope Saw Mill Dam Cayuga County | 19 | 1850 | Significant | Poor |
| Newkirk Pond Dam Fulton County | 15 | — | Significant | Poor |
| New Mill Pond Dam Suffolk County | 15 | 1825 | Low | Not Rated |
| New Pond Dam Essex County | 10 | 1961 | Low | Not Rated |
| Newport Herkimer County | 12 | 1912 | Significant | Satisfactory |
| New Rochelle Reservoir #1 Dam Westchester County | 30 | 1894 | High | Poor |
| New Rochelle Reservoir #3 Dam Westchester County | 30 | 1908 | High | Satisfactory |
| Newton Falls Lower St. Lawrence County | 25 | 1927 | Low | Satisfactory |
| Newton Falls Stabilization Pond #3 Dam St. Lawrence County | 22 | 1965 | Low | Not Rated |
| Newton Falls Stabilization Pond #4 Dam St. Lawrence County | 35 | 1965 | Low | Not Rated |
| Newton Falls Upper St. Lawrence County | 50 | 1927 | High | Satisfactory |
| Newtown Hoffman Site 12e Dam Chemung County | 71 | 1989 | High | Satisfactory |
| Newtown Hoffman Site 18 Dam Chemung County | 71 | 1978 | High | Fair |
| Newtown Hoffman Site 1 Dam Chemung County | 46 | 1976 | High | Satisfactory |
| Newtown Hoffman Site 3a Dam Chemung County | 53 | 1976 | High | Satisfactory |
| Newtown Hoffman Site 5a Dam Chemung County | 52 | 1999 | High | Satisfactory |
| New York State Dam Saratoga County | 21 | 1840 | Low | Satisfactory |
| New York State Electric & Gas Corporation Dam Broome County | 10 | 1948 | Low | Not Rated |
| Niagara Mohawk Power Dam St. Lawrence County | 11 | 1916 | Significant | Not Rated |
| Nimrod Lake Dam Sullivan County | 12 | — | Significant | Not Rated |
| Noreika Wildlife Pond Dam Broome County | 12 | 1954 | Low | Not Rated |
Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.