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 1276–1300 of 1,871
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Glenmere Lake Dam Orange County | 24 | 1880 | High | Satisfactory |
| Glen Creek Dam Schuyler County | 65 | 1957 | High | Not Rated |
| Glencliff Road Detention Basin Dam Onondaga County | 13 | 1977 | Significant | Satisfactory |
| Glass Lake Dam Rensselaer County | 18 | 1916 | Significant | Fair |
| Gillman Pond Dam Sullivan County | 9 | 1914 | Low | Not Rated |
| Gill Creek Dam Niagara County | 12 | 1927 | Low | Not Rated |
| Gilboa Dam Schoharie County | 183 | 1926 | High | Satisfactory |
| Gilbert Lake Dam Otsego County | 16 | 1930 | Low | Not Rated |
| Gifford, Kahabka & Rutenber Dam Delaware County | 14 | 1959 | Low | Not Rated |
| Gerrit Lydecker Pond Dam Delaware County | 21 | 1965 | Low | Not Rated |
| George Vosburgh Pond Dam Montgomery County | 20 | — | Low | Not Rated |
| George Rickey Pond Dam Columbia County | 15 | 1966 | Significant | Poor |
| George R Cogar Pond Dam Herkimer County | 29 | 1974 | Low | Not Rated |
| George Bryant Dam Delaware County | 14 | 1965 | Low | Not Rated |
| Genegantslet Lake Dam Chenango County | 10 | 1900 | High | Poor |
| Genegantslet Creek Project Dam 2a Chenango County | 23 | 1968 | Significant | Poor |
| Geiger Dam Delaware County | 10 | 2009 | Low | Not Rated |
| Gary Mahany Pond Dam Steuben County | 17 | 1998 | Low | Not Rated |
| Gary Koon Dam Steuben County | 13 | 1974 | Low | Not Rated |
| Garnet Lake Dam Warren County | 15 | 1903 | High | Fair |
| Garnerville Dam Rockland County | 29 | 1875 | High | Not Rated |
| Gananda Golf Course Dam Wayne County | 9 | — | Low | Not Rated |
| Galway Lake Dam Saratoga County | 30 | 1982 | High | Satisfactory |
| Gallatin Pond Dam Columbia County | 23 | 1988 | Low | Not Rated |
| Furnace Pond Dam Dutchess County | 23 | 1883 | Significant | Not Rated |
Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.