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 976–1000 of 1,871
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Leroy Reservoir Dam Genesee County | 17 | 1960 | Significant | Not Rated |
| Lesky Road Flood Control Dam Chemung County | 20 | — | Low | Not Rated |
| Lester Thompson Wildlife Dam A & B Otsego County | 9 | 1968 | Low | Not Rated |
| Levine Lake Dam A Putnam County | 15 | 1961 | Low | Not Rated |
| Levine Lake Dam B (Dike) Putnam County | 8 | 1961 | Low | Not Rated |
| Levi Recreational Pond Dam Steuben County | 12 | 1969 | Low | Not Rated |
| Levy Dam Greene County | 12 | 1988 | Low | Not Rated |
| Lewiston Reservoir Dike Niagara County | 119 | 1963 | High | Satisfactory |
| L Hance Wetland Reserve Dam St. Lawrence County | 10 | 2000 | Low | Not Rated |
| Lighthouse Hill Oswego County | 47 | 1930 | High | Fair |
| Lilly Pond Dam Sullivan County | 8 | 1922 | Low | Not Rated |
| Lily Pond Dam Orange County | 10 | 1949 | Significant | Fair |
| Lime Lake Outlet Dam Cattaraugus County | 12 | 1850 | Significant | Not Rated |
| Lincoln Farms Dam Sullivan County | 19 | 1976 | Low | Not Rated |
| Lisha Kill Dam Albany County | 20 | 1923 | Significant | Not Rated |
| Little Choconut Site 1a Dam Broome County | 35 | 1969 | High | Not Rated |
| Little Choconut Site 2a Dam Broome County | 33 | 1968 | High | Not Rated |
| Little Choconut Site 2b Dam Broome County | 56 | 1968 | High | Not Rated |
| Little Choconut Site 2c Dam Broome County | 59 | 1968 | High | Not Rated |
| Little Choconut Site 2e Dam Broome County | 58 | 1968 | High | Not Rated |
| Little Dam Lake Dam Orange County | 12 | 1897 | High | Satisfactory |
| Little Falls Dist Reservoir Dam Herkimer County | 32 | 1960 | Significant | Satisfactory |
| Little Falls Reservoir Dam Herkimer County | 42 | 1901 | Significant | Satisfactory |
| Little Falls State Dam - North Herkimer County | 6 | 1894 | Significant | Satisfactory |
| Little Pond Dam Delaware County | 14 | 1916 | Low | Not Rated |
Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.