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 1751–1775 of 1,871
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Bentley Wildlife Marsh Dam Cattaraugus County | 10 | 2001 | Low | Not Rated |
| Benson Mines Plant Dam St. Lawrence County | 38 | — | Low | Not Rated |
| Benson Mines Little River Dam St. Lawrence County | 44 | 1948 | Significant | Not Rated |
| Bennetts Bridge - Dike C Oswego County | 10 | 1914 | High | Satisfactory |
| Bennetts Bridge - Dike B Oswego County | 13 | 1914 | High | Satisfactory |
| Bennetts Bridge Oswego County | 35 | 1914 | High | Fair |
| Benedicts Pond Dam Orange County | 16 | — | Significant | Fair |
| Ben Daniels Dam Broome County | 25 | 1990 | Significant | Not Rated |
| Ben Bradley Wildlife Dam & Dike Cortland County | 11 | 1951 | Low | Not Rated |
| Belvedere Lake Dam Otsego County | 20 | 1900 | Significant | Poor |
| Belnap Briggs & Stremba Pond Dam Cortland County | 9 | 1953 | Low | Not Rated |
| Belmont Lake Dam Suffolk County | 9 | 1905 | Low | Not Rated |
| Bell Brook Pond Dam Saratoga County | 12 | 1927 | Low | Not Rated |
| Belfort Intake Lewis County | 20 | 1904 | Low | Satisfactory |
| Beechmont Lake Dam Westchester County | 21 | 1904 | Significant | Poor |
| Beecher Lake Dam Ulster County | 13 | 1925 | Low | Not Rated |
| Beecher Creek Flood Control Dam Chemung County | 63 | 1999 | High | Poor |
| Beebee Island Diversion Dam Jefferson County | 22 | 1931 | Significant | Not Rated |
| Beebee Island Jefferson County | 31 | 1931 | Low | Satisfactory |
| Beebe Dam Tompkins County | 28 | 1897 | Significant | Satisfactory |
| Bed Bug Hill Dam Otsego County | 21 | 1976 | Low | Not Rated |
| Beaver Run Dam Delaware County | 11 | 1976 | Low | Not Rated |
| Beaver Pond Dam Broome County | 14 | 1985 | Significant | Not Rated |
| Beaver Mill Pond Dam Columbia County | 10 | 1925 | Low | Not Rated |
| Beaver Meadow Brook Dam Lewis County | 14 | 1937 | Low | Not Rated |
Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.