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 301–325 of 419
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Forest Lake Dam Westchester County | 12 | 1996 | High | Satisfactory |
| Flat Rock St. Lawrence County | 72 | 1925 | High | Satisfactory |
| Five Falls St. Lawrence County | 53 | 1954 | High | Satisfactory |
| First Reservoir Dam Rockland County | 46 | 1917 | High | Poor |
| Finch Hollow Site 3c Dam Broome County | 54 | 1966 | High | Not Rated |
| Finch Hollow Site 2 Dam Broome County | 57 | 1973 | High | Not Rated |
| Finch Hollow Site 1 Dam Broome County | 62 | 1973 | High | Not Rated |
| Fairport Spillway Dam Monroe County | — | — | High | Not Rated |
| Erieville Reservoir Dam Madison County | 55 | 1850 | High | Fair |
| Ephratah Dam Fulton County | 65 | 1980 | High | Poor |
| English Road Detention Facility Dam Monroe County | 18 | 1978 | High | Satisfactory |
| Effley Lewis County | 30 | 1902 | High | Satisfactory |
| Ed Pylkas Dam Tioga County | 37 | 1955 | High | Poor |
| Edgecomb Pond Dam Warren County | 16 | 1979 | High | Fair |
| Eaton Brook Reservoir Dam Madison County | 58 | 1893 | High | Poor |
| East Syracuse Reservoir Dam Onondaga County | 33 | 1922 | High | Poor |
| East Sidney Dam Delaware County | 130 | 1950 | High | Not Available |
| East Norfolk St. Lawrence County | 16 | 1928 | High | Satisfactory |
| East Canada Lake Dam Herkimer County | 65 | 1924 | High | Poor |
| Earl Reservoir Dam Orange County | 26 | 1912 | High | Fair |
| Downsville Dam Delaware County | 204 | 1954 | High | Satisfactory |
| Dover Greens Dam Dutchess County | 60 | 1918 | High | Fair |
| Diverting Reservoir Dam Putnam County | 54 | 1911 | High | Satisfactory |
| Diamond Mills Paper Company Dam Ulster County | 35 | 1929 | High | Satisfactory |
| Deruyter Dam Onondaga County | 68 | 1863 | High | Poor |
Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.