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 1726–1750 of 1,871
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Boardman St. Reservoir Dam Washington County | 15 | 1870 | Significant | Poor |
| Blue Top Dam Broome County | 20 | 2000 | Significant | Fair |
| Blue Heron Lake Dam Westchester County | 15 | 1936 | Significant | Poor |
| Bloody Pond Dam Cortland County | 12 | 1928 | Low | Not Rated |
| Blind Pond Dam Sullivan County | 10 | 1960 | Low | Not Rated |
| Blind Brook Club Dam Westchester County | 32 | 1959 | High | Poor |
| Blenheim - Gilboa Upper Schoharie County | 170 | 1974 | High | Satisfactory |
| Blenheim - Gilboa Lower Schoharie County | 165 | 1974 | High | Satisfactory |
| Blazer Pond Dam Schoharie County | 11 | — | Significant | Poor |
| Blanchard Recreational Dam & Dike Otsego County | 13 | 1969 | Low | Not Rated |
| Blanchard Pond Dam Lewis County | 13 | 1931 | Low | Not Rated |
| Blake St. Lawrence County | 80 | 1957 | High | Satisfactory |
| Black River Pond Dam Rensselaer County | 42 | 1935 | High | Fair |
| Black River Jefferson County | 25 | 1919 | Low | Satisfactory |
| Black Lake Dam Sullivan County | 10 | 1917 | Low | Not Rated |
| Black Brook Clinton County | 31 | 1896 | Low | Satisfactory |
| Bishop & Chase Marsh Dam & Dike Delaware County | 9 | 1954 | Low | Not Rated |
| Birdseye Hollow Wildlife Pond Dam Steuben County | 12 | 1966 | Low | Not Rated |
| Binnewater Reservoir Dam & Dike Ulster County | 30 | 1926 | Significant | Poor |
| Big Drumlin Pond Dam Oneida County | 23 | 1911 | Significant | Not Rated |
| Bible Dam Fulton County | 15 | 1977 | Significant | Poor |
| Betty Brook Dam Delaware County | 21 | 1972 | Low | Not Rated |
| Bethlehem Reservoir Dam Albany County | 24 | 1995 | Low | Not Rated |
| Berry Hill Hunting Club Dam Chenango County | 11 | 1974 | Low | Not Rated |
| Berkshire Turkey Farm Pond Dam Columbia County | 22 | 1959 | Significant | Satisfactory |
Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.