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 1776–1800 of 1,871
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Watervliet Balancing Reservoir Dam Albany County | 20 | 1915 | Significant | Satisfactory |
| Watervliet Lower Dam Albany County | 27 | 1912 | High | Satisfactory |
| Watervliet Upper Dam Albany County | 72 | 1912 | High | Satisfactory |
| Watsons Waste Weir Dam Niagara County | 16 | 1918 | Low | Not Rated |
| Waverly Lower Reservoir Dam Tioga County | 54 | 1880 | High | Poor |
| Wawayanda Camp Dam Ulster County | 28 | 1958 | Low | Not Rated |
| Wayland Reservoir Dam Steuben County | 16 | 1948 | Low | Not Rated |
| Weerheim Dam Otsego County | 16 | 1965 | Low | Not Rated |
| Weiden Lake Dam Sullivan County | 25 | 1920 | Low | Not Rated |
| Weller Pond Dam St. Lawrence County | 15 | — | Low | Not Rated |
| Wells Pond Dam Sullivan County | 10 | 1929 | Low | Not Rated |
| Welmet Lake Dam Sullivan County | 13 | 1900 | Low | Not Rated |
| Wesley Chapel Dam #1 Rockland County | 7 | — | Significant | Poor |
| Wesley Chapel Dam #2 Rockland County | 10 | — | Significant | Not Rated |
| West Albany Storm Retention Basin A Dam Albany County | 21 | 1980 | Significant | Satisfactory |
| West Albany Storm Retention Basin B Dam Albany County | 9 | — | Significant | Poor |
| West Branch Dam Putnam County | 85 | 1895 | High | Satisfactory |
| West Brook Dam Delaware County | 18 | 1888 | Significant | Fair |
| Westbrook Reservoir #1 Dam Clinton County | 23 | 1905 | Significant | Not Rated |
| Westbrook Reservoir #2 Dam Clinton County | 28 | 1910 | Significant | Not Rated |
| Westbury Dam Cayuga County | 12 | 1902 | Low | Poor |
| Westchester Lake Dam Westchester County | 10 | 1920 | High | Poor |
| West End Dam Jefferson County | 18 | 1905 | Low | Satisfactory |
| West Pond At Pawling Properties Dam Dutchess County | — | — | Significant | Not Rated |
| West Seneca Industrial Park Dam Erie County | 6 | 1993 | Significant | Not Rated |
Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.