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 251–275 of 348
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Five Falls St. Lawrence County | 53 | 1954 | High | Satisfactory |
| Feeder Dam Warren County | 21 | 1924 | Low | Satisfactory |
| English Road Detention Facility Dam Monroe County | 18 | 1978 | High | Satisfactory |
| Emeryville St. Lawrence County | 25 | 1959 | Low | Satisfactory |
| Elmer Lewis County | 23 | 1917 | Low | Satisfactory |
| Effley Lewis County | 30 | 1902 | High | Satisfactory |
| Eel Weir St. Lawrence County | 23 | 1928 | Low | Satisfactory |
| Edgewood Lake Upper Dam Sullivan County | 19 | 1955 | Significant | Satisfactory |
| Edgewood Lake Lower Dam Sullivan County | 15 | 1945 | Significant | Satisfactory |
| East Norfolk St. Lawrence County | 16 | 1928 | High | Satisfactory |
| Eagle Lewis County | 22 | 1915 | Low | Satisfactory |
| Downsville Dam Delaware County | 204 | 1954 | High | Satisfactory |
| Dolgeville Herkimer County | 20 | 1897 | Low | Satisfactory |
| Diverting Reservoir Dam Putnam County | 54 | 1911 | High | Satisfactory |
| Diamond Mills Paper Company Dam Ulster County | 35 | 1929 | High | Satisfactory |
| Dexter South Channel Dam Jefferson County | 22 | 1925 | Low | Satisfactory |
| Dexter Middle Channel Dam Jefferson County | 18 | 1925 | Low | Satisfactory |
| Denley Lewis County | 29 | 1912 | Low | Satisfactory |
| Deferiet Jefferson County | 18 | 1899 | Low | Satisfactory |
| Deerfield Reservoir #6 Dam Oneida County | 50 | 1900 | High | Satisfactory |
| Dansville Reservoir Dam Steuben County | 54 | 1937 | High | Satisfactory |
| Curtis Saratoga County | 36 | 1913 | Low | Satisfactory |
| Croton Falls Dam Putnam County | 113 | 1910 | High | Satisfactory |
| Crestwood Lake Dam Westchester County | 10 | 1995 | Significant | Satisfactory |
| Cortlandt Lake Dam Westchester County | 37 | 1929 | High | Satisfactory |
Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.