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 |
|---|---|---|---|---|
| Adams Basin Waste Weir Dam Monroe County | 23 | 1918 | Significant | Not Rated |
| Adirondack Acres Dam A Lewis County | 24 | 1971 | Significant | Satisfactory |
| Agfa Lake Dam Broome County | 10 | — | Significant | Poor |
| Agnes Sisson Recreational Pond Dam Schoharie County | 18 | 1966 | Significant | Not Rated |
| Akron Reservoir Dam Genesee County | 45 | 1927 | Significant | Not Rated |
| Albion Waste Gate & Weir Dam Orleans County | 26 | 1911 | Significant | Not Rated |
| Aleck Meadow Reservoir Dam Orange County | 23 | 1956 | Significant | Poor |
| All American Sports City INC Rec Dam Dutchess County | 17 | 1966 | Significant | Not Rated |
| Allen Pond Dam Otsego County | 18 | 1917 | Significant | Poor |
| Allen Street Detention Pond Dam Chautauqua County | 21 | — | Significant | Not Rated |
| Al Produce Dam Schuyler County | 15 | 2016 | Significant | Not Rated |
| Altamont Reservoir Dam Albany County | 23 | 1936 | Significant | Not Rated |
| Amity Lake Dam Allegany County | 22 | 1963 | Significant | Not Rated |
| Anderson Dam Chautauqua County | 16 | 1954 | Significant | Not Rated |
| Annandale Dam Dutchess County | 11 | 1846 | Significant | Poor |
| Arling Saunders Pond Dam Allegany County | 13 | 1954 | Significant | Not Rated |
| Arthur Flick Dam Steuben County | 12 | 1976 | Significant | Not Rated |
| Asher Dam Dutchess County | 12 | 1890 | Significant | Not Rated |
| Athens Water Supply Dam Greene County | 8 | 1925 | Significant | Satisfactory |
| Attica Reservoir Dam Wyoming County | 30 | 1879 | Significant | Not Rated |
| Attica Reservoir Dam (Middle) Wyoming County | 38 | 1925 | Significant | Not Rated |
| Avon Marsh Dam Livingston County | 10 | 1980 | Significant | Not Rated |
| Bainbridge Reservoir Dam Chenango County | 19 | 1925 | Significant | Poor |
| Ballard Dam Dutchess County | 15 | 1931 | Significant | Poor |
| Ballard Mill Franklin County | 8 | 1901 | 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.