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 1126–1150 of 1,871
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Hugh Hunter Recreational Pond Dam Monroe County | 15 | 1973 | Low | Not Rated |
| Huggins Lake Dam Delaware County | 10 | 1962 | Low | Not Rated |
| Huehnel Pond Dam Columbia County | 21 | — | Low | Not Rated |
| Hudson Falls Saratoga County | 17 | 1996 | Significant | Satisfactory |
| H T Vogel Pond Dam Columbia County | 17 | 1966 | Significant | Satisfactory |
| H Tigler Wildlife Dam Cattaraugus County | 7 | — | Low | Not Rated |
| Howlands Lake Dam Westchester County | 18 | 1895 | Significant | Poor |
| Howard Stewart Dam Sullivan County | 10 | — | Low | Not Rated |
| Howard La Fever Dam #1 Delaware County | 25 | 1979 | Significant | Not Rated |
| Howard Lafever Dam Delaware County | 17 | 1976 | Significant | Poor |
| Howard Jeffrey Dam Chenango County | 19 | 1963 | Significant | Satisfactory |
| Horseshoe Pond Dam Essex County | 16 | — | Significant | Not Rated |
| Horseshoe Lake Dam Genesee County | 20 | 1953 | Significant | Not Rated |
| Hornell Reservoir #3 Dam Steuben County | 71 | 1931 | Low | Not Rated |
| Hornell Reservoir #2 Dam Steuben County | 30 | 1918 | Low | Not Rated |
| Hornell Reservoir #1 Dam Steuben County | 48 | 1936 | Low | Not Rated |
| Hope Lake Dam Cortland County | 30 | 1998 | Significant | Not Rated |
| Hoosick Falls Dam Rensselaer County | 22 | 1890 | Low | Not Rated |
| Hoosac School Dam Rensselaer County | 25 | 1950 | Significant | Unsatisfactory |
| Honk Falls Dam Ulster County | 42 | 1898 | High | Poor |
| Honeyville Marsh Dam Jefferson County | 8 | 1957 | Low | Not Rated |
| Holmes Mill Dam Dutchess County | 9 | — | Significant | Not Rated |
| Hollow Dam St. Lawrence County | 31 | 1987 | Low | Satisfactory |
| Hollowbrook Golf Club Pond #2 Dam Westchester County | 11 | 2003 | Low | Not Rated |
| Hollowbrook Dam Westchester County | 15 | 1920 | Significant | Poor |
Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.