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 1101–1125 of 1,871
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Iroquois #5 Dam Orleans County | 11 | 1970 | Low | Fair |
| Iroquois St. Lawrence County | 72 | 1958 | Significant | Satisfactory |
| Ireland Vly Dam Saratoga County | 29 | 1931 | Significant | Poor |
| Inghams Dam Fulton County | 125 | 1911 | High | Poor |
| Indian Pass Ranch Dam Essex County | 25 | — | Low | Not Rated |
| Indian Lake Stone Dam Hamilton County | 47 | 1898 | High | Poor |
| Indian Lake Power & Light CO Dam Hamilton County | 19 | 1929 | Significant | Poor |
| Indian Kill Reservoir Dam Orange County | 23 | 1958 | Significant | Fair |
| Indian Falls Lake Dam Genesee County | 17 | 1956 | Low | Not Rated |
| Indian Falls Jefferson County | 12 | 1905 | Low | Satisfactory |
| Indian Brook Reservoir Dam Westchester County | 43 | 1889 | High | Satisfactory |
| Ilion Reservoir #3 Dam Herkimer County | 76 | 1921 | High | Fair |
| Ilion Reservoir #2 Dam Herkimer County | 60 | 1903 | High | Not Rated |
| Ilion Reservoir #1 Dam Herkimer County | 40 | 1895 | High | Satisfactory |
| Ida Lake Dam Rensselaer County | 12 | 1912 | Low | Poor |
| Ibm Pond #1 Dam Tioga County | 17 | 1958 | Significant | Not Rated |
| Ibm Edcenter Dam A Rockland County | 26 | 1989 | Significant | Not Rated |
| Ibm Corp Technical Institute Dam Westchester County | 21 | 1985 | Significant | Not Rated |
| Hust Pond Dam Sullivan County | 23 | 1911 | Low | Not Rated |
| Hunts Pond Dam Chenango County | 23 | 1940 | Low | Not Rated |
| Huntley Dam Broome County | 16 | 1964 | Low | Not Rated |
| Hunter Mountain Lake Dam Greene County | 19 | 1993 | High | Satisfactory |
| Hunter Lake Dam Sullivan County | 8 | 1980 | Low | Not Rated |
| Humphrey Pond Dam Wyoming County | 29 | — | Significant | Not Rated |
| Hull Pond Dam Sullivan County | 18 | 1925 | Low | Not Rated |
Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.