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 1826–1850 of 1,871
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| William Mead Dam Greene County | 17 | 1968 | Low | Not Rated |
| William O Nannen Pond Dam Cattaraugus County | 15 | 1964 | Significant | Not Rated |
| William Parsons Wildlife Marsh Dam Ontario County | 10 | 1964 | Low | Not Rated |
| Williams Pond Dam Chemung County | 16 | 1996 | Significant | Not Rated |
| Willie Wildlife Marsh Dam Fulton County | 7 | 1967 | Low | Not Rated |
| Willow Brook Dam Orange County | 20 | 1924 | High | Poor |
| Willow Pond Dam Monroe County | 11 | 1973 | Significant | Satisfactory |
| Willow Pond Dam Suffolk County | 12 | 1915 | Significant | Poor |
| Willow Stream Dam Onondaga County | 10 | 1997 | Significant | Poor |
| Wilmington Dam Essex County | 16 | 1937 | Significant | Not Rated |
| Wiltse Dam Oswego County | 13 | — | Low | Not Rated |
| Wilzig Dam Columbia County | 18 | — | Low | Not Rated |
| Windmill Lake Dam Westchester County | 26 | 1935 | High | Satisfactory |
| Windover Lake Dam Warren County | 15 | 1948 | Low | Not Rated |
| Windsor Park Dam Erie County | 106 | 2006 | Low | Not Rated |
| Windy Wes Golf Course Dam Orange County | 10 | 1990 | Low | Not Rated |
| Winnies Reef Dam Saratoga County | 16 | 1979 | Significant | Poor |
| Winnisook Lake Dam Ulster County | 42 | — | Low | Not Rated |
| Wiscoy Dam Allegany County | 33 | 1921 | Significant | Not Rated |
| Wittig Dam Oneida County | 16 | 1964 | Low | Not Rated |
| W Kelly Farm Pond Dam Broome County | 25 | 1959 | Low | Not Rated |
| W O Bruyere Farm Pond Dam Wyoming County | 23 | 1957 | Low | Not Rated |
| Wold Lake Dam Steuben County | 18 | 1964 | Low | Not Rated |
| Wolf Creek Dam Saratoga County | 9 | 1931 | Low | Not Rated |
| Wolf Lake INC Dam Sullivan County | 7 | 1940 | Low | Not Rated |
Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.