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 26–50 of 98
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Port Jervis Reservoir #3 Dam Orange County | 35 | 1900 | High | Fair |
| Port Jervis Reservoir #2 Dam Orange County | 41 | 1880 | High | Fair |
| Port Jervis Reservoir #1 Dam Orange County | 20 | 1869 | High | Fair |
| Oneida Water Supply Dam Madison County | 18 | 1925 | High | Fair |
| Norwood St. Lawrence County | 24 | 1928 | High | Fair |
| Normanskill Albany County | 39 | 1916 | High | Fair |
| Newtown Hoffman Site 18 Dam Chemung County | 71 | 1978 | High | Fair |
| Newfane Dam Niagara County | 14 | 1912 | Significant | Fair |
| Nanticoke Creek Site 9c Dam Broome County | 33 | 1967 | High | Fair |
| Nanticoke Creek Site 3 Dam Broome County | 28 | 1970 | High | Fair |
| Myosotis Lake Dam Albany County | 22 | 1933 | High | Fair |
| Morgan Lake Dam Dutchess County | 20 | 1868 | High | Fair |
| Monhagen Lake Dike Orange County | 20 | 1867 | High | Fair |
| Monhagen Lake Dam Orange County | 12 | 1867 | Significant | Fair |
| Mongaup Sullivan County | 45 | 1925 | High | Fair |
| Minetto Lock & Dam 5 Oswego County | 23 | 1915 | High | Fair |
| Middle Warwick Dam Orange County | 35 | 1912 | Low | Fair |
| Mechanicville Reservoir Dam Saratoga County | 33 | 1892 | High | Fair |
| Mayer Pond Dam Dutchess County | 20 | 1967 | Significant | Fair |
| Martlings Pond Dam Richmond County | 25 | — | Significant | Fair |
| Lower Warwick Dam Orange County | 33 | 1887 | High | Fair |
| Lower Reservoir Dam Otsego County | 20 | — | Significant | Fair |
| Lower Chia Lin Dam Dutchess County | 18 | 1950 | Significant | Fair |
| Lily Pond Dam Orange County | 10 | 1949 | Significant | Fair |
| Lighthouse Hill Oswego County | 47 | 1930 | High | Fair |
Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.