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 |
|---|---|---|---|---|
| Arkport Dam Steuben County | 131 | 1940 | High | Not Available |
| Arend Oohms Dam Columbia County | 13 | 1970 | Low | Not Rated |
| Arco Lower Brine Reservoir Dam Cortland County | 20 | 1982 | Low | Not Rated |
| Archer Vly Dam Saratoga County | 20 | — | Low | Not Rated |
| Arbutus Pond Dam Essex County | 11 | 1940 | Low | Not Rated |
| Arbor Pond Dam Dutchess County | 27 | 1987 | Low | Not Rated |
| Aqua-Terra Lake Dam Broome County | 15 | 1952 | Low | Not Rated |
| Antwerp Village Dam Jefferson County | 12 | 1909 | Low | Not Rated |
| Antwerp Dam #2 Jefferson County | 13 | 1925 | Low | Not Rated |
| Annandale Dam Dutchess County | 11 | 1846 | Significant | Poor |
| Andrew Kohl Marsh Dam & Dike Yates County | 7 | 1962 | Undetermined | Not Rated |
| Andover Dam Allegany County | 9 | 1951 | Low | Not Rated |
| Anderson Dam Chautauqua County | 16 | 1954 | Significant | Not Rated |
| Amity Lake Dam Allegany County | 22 | 1963 | Significant | Not Rated |
| Amawalk Lake North Dam Westchester County | 11 | 1972 | Low | Not Rated |
| Amawalk Dam Westchester County | 85 | 1897 | High | Satisfactory |
| Altamont Reservoir Dam Albany County | 23 | 1936 | Significant | Not Rated |
| Altamont Main Reservoir Dam Albany County | 37 | 1898 | High | Poor |
| Al Produce Dam Schuyler County | 15 | 2016 | Significant | Not Rated |
| Alpine Heights Pond Dam Cattaraugus County | 20 | 1975 | Low | Not Rated |
| Alpina Dam Lewis County | 7 | 1933 | Low | Not Rated |
| Almond Dam Steuben County | 90 | 1949 | High | Not Available |
| Allen Street Detention Pond Dam Chautauqua County | 21 | — | Significant | Not Rated |
| Allens Falls St. Lawrence County | 37 | 1991 | High | Satisfactory |
| Allen's Creek East Branch Drainage Project Dam Monroe County | 19 | 1995 | Low | Not Rated |
Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.