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 544
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Wurtsboro Hills Dam Sullivan County | 10 | 1948 | Significant | Not Rated |
| Woodward Lake Dam Fulton County | 19 | 1928 | Significant | Poor |
| Woodlands Lake Dam Westchester County | 20 | 1840 | Significant | Not Rated |
| Woodland Lake Dam Saratoga County | 17 | 1957 | Significant | Poor |
| Wiscoy Dam Allegany County | 33 | 1921 | Significant | Not Rated |
| Winnies Reef Dam Saratoga County | 16 | 1979 | Significant | Poor |
| Wilmington Dam Essex County | 16 | 1937 | Significant | Not Rated |
| Willow Stream Dam Onondaga County | 10 | 1997 | Significant | Poor |
| Willow Pond Dam Suffolk County | 12 | 1915 | Significant | Poor |
| Willow Pond Dam Monroe County | 11 | 1973 | Significant | Satisfactory |
| Williams Pond Dam Chemung County | 16 | 1996 | Significant | Not Rated |
| William O Nannen Pond Dam Cattaraugus County | 15 | 1964 | Significant | Not Rated |
| Willetts Pond Dam Onondaga County | 24 | 1974 | Significant | Poor |
| Wilkie Intake Reservoir Dam Warren County | 34 | 1914 | Significant | Satisfactory |
| Wild Lands INC Pond #1 Dam Steuben County | 17 | 1967 | Significant | Not Rated |
| Whiting Hollow Dam Schoharie County | 24 | 1971 | Significant | Not Rated |
| White Pond Dam Putnam County | 12 | 1899 | Significant | Not Rated |
| White Hollow Dam Schuyler County | 34 | 1936 | Significant | Not Rated |
| White Birch Lake Dam Broome County | 21 | 1949 | Significant | Not Rated |
| West Seneca Industrial Park Dam Erie County | 6 | 1993 | Significant | Not Rated |
| West Pond At Pawling Properties Dam Dutchess County | — | — | Significant | Not Rated |
| Westbrook Reservoir #2 Dam Clinton County | 28 | 1910 | Significant | Not Rated |
| Westbrook Reservoir #1 Dam Clinton County | 23 | 1905 | Significant | Not Rated |
| West Brook Dam Delaware County | 18 | 1888 | Significant | Fair |
| West Albany Storm Retention Basin B Dam Albany County | 9 | — | 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.