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 176–200 of 278
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Indian Lake Power & Light CO Dam Hamilton County | 19 | 1929 | Significant | Poor |
| Ida Lake Dam Rensselaer County | 12 | 1912 | Low | Poor |
| Howlands Lake Dam Westchester County | 18 | 1895 | Significant | Poor |
| Howard Lafever Dam Delaware County | 17 | 1976 | Significant | Poor |
| Honk Falls Dam Ulster County | 42 | 1898 | High | Poor |
| Hollowbrook Dam Westchester County | 15 | 1920 | Significant | Poor |
| Hoffman Creek Dam Chemung County | 36 | 1871 | High | Poor |
| Hillside Lake Dam Dutchess County | 9 | 1934 | Significant | Poor |
| Henrich Pond Dam Rockland County | 10 | 1960 | Significant | Poor |
| Hempstead Lake Dam Nassau County | 24 | 1873 | High | Poor |
| Hastings Power Dam Rensselaer County | 22 | 1920 | Significant | Poor |
| Harvey Pond Dam Tioga County | 22 | 2002 | Significant | Poor |
| Hartwick Reservoir Dam Otsego County | 23 | 1924 | Significant | Poor |
| Harrower Pond Dam Montgomery County | 25 | 1870 | High | Poor |
| Harold Toppel Dam Columbia County | 17 | 1973 | Significant | Poor |
| Halcottsville Dam Delaware County | 7 | 1909 | Significant | Poor |
| Guymard Lake Dam Orange County | 35 | 1858 | Significant | Poor |
| Guilford Lake Dam Chenango County | 15 | 1827 | High | Poor |
| Groos Pond Dam Sullivan County | 10 | 1940 | Significant | Poor |
| Green Haven Correctional Facility Dam Dutchess County | 40 | 1939 | High | Poor |
| Greenburg Dam Dutchess County | 16 | 1965 | Significant | Poor |
| Graffenburg Reservoir Dam Herkimer County | 55 | 1854 | Significant | Poor |
| Goshen Reservoir #1 Dam Orange County | 37 | 1963 | High | Poor |
| Glenwood Lake Dam Westchester County | 12 | — | Significant | Poor |
| George Rickey Pond Dam Columbia County | 15 | 1966 | Significant | Poor |
Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.