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 1–25 of 278
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Ymca Camp Mcalister Dam Orange County | 26 | 1955 | High | Poor |
| Woodward Lake Dam Fulton County | 19 | 1928 | Significant | Poor |
| Woodland Lake Dam Saratoga County | 17 | 1957 | Significant | Poor |
| Winnies Reef Dam Saratoga County | 16 | 1979 | Significant | Poor |
| Willow Stream Dam Onondaga County | 10 | 1997 | Significant | Poor |
| Willow Pond Dam Suffolk County | 12 | 1915 | Significant | Poor |
| Willow Brook Dam Orange County | 20 | 1924 | High | Poor |
| Willetts Pond Dam Onondaga County | 24 | 1974 | Significant | Poor |
| Westchester Lake Dam Westchester County | 10 | 1920 | High | Poor |
| Westbury Dam Cayuga County | 12 | 1902 | Low | Poor |
| West Albany Storm Retention Basin B Dam Albany County | 9 | — | Significant | Poor |
| Wesley Chapel Dam #1 Rockland County | 7 | — | Significant | Poor |
| Waverly Lower Reservoir Dam Tioga County | 54 | 1880 | High | Poor |
| Warwick Meadows Dam Orange County | 25 | — | Significant | Poor |
| Waldens Pond Dam Albany County | 26 | 1991 | Low | Poor |
| Waldemar Derke Pond Dam Delaware County | 11 | 1963 | Significant | Poor |
| Vrasidas Dam Ulster County | 12 | 1947 | Significant | Poor |
| Van Natta Dam Tompkins County | 12 | 1907 | Significant | Poor |
| Utica Reservoir #5 Dam Oneida County | 34 | 1896 | High | Poor |
| Upper Teakettle Spout Lake Dam Putnam County | 11 | 1950 | Significant | Poor |
| Upper Massapequa Lake Dam Nassau County | 11 | 1900 | Significant | Poor |
| Upper Larchmont Road Dam Chemung County | 25 | 2005 | High | Poor |
| Tyrone Power Company Dam Schuyler County | 20 | 1953 | High | Poor |
| Treman Lake Dam Tompkins County | 36 | 1930 | Significant | Poor |
| Tomkins Cove Dam Rockland County | 8 | 1915 | Significant | Poor |
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Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.