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 426–450 of 544
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Silver Mine Lake Dam Orange County | 36 | 1934 | Significant | Poor |
| Sky View Pond Dam Orange County | 24 | 1952 | Significant | Poor |
| Sleepy Hollow Country Club Dam Westchester County | 15 | 1965 | Significant | Not Rated |
| Sly Pond Dam Washington County | 14 | 1896 | Significant | Satisfactory |
| Smeallie Dam Montgomery County | 10 | 1974 | Significant | Poor |
| Smiths Mills Reservoir Dam Chautauqua County | 19 | 1906 | Significant | Not Rated |
| Southeast Reservoir Dam Monroe County | 25 | 1972 | Significant | Not Rated |
| South Edwards St. Lawrence County | 53 | 1914 | Significant | Satisfactory |
| Southern Hills Detention Pond Dam Monroe County | 14 | 1988 | Significant | Poor |
| South Hill Pond Dam Tompkins County | 20 | — | Significant | Satisfactory |
| South Lake Dam Greene County | 15 | 1973 | Significant | Not Rated |
| South Lake Dam (Lower) Putnam County | 12 | 1921 | Significant | Poor |
| South Lake Dam (Middle) Putnam County | 12 | 1921 | Significant | Poor |
| South Lake Dam (Upper) Putnam County | 12 | 1921 | Significant | Poor |
| South Westchester Detention Basin Dam Westchester County | 7 | 1978 | Significant | Poor |
| Spencers Lake Dam Tioga County | 30 | 1977 | Significant | Poor |
| Sphagnum Pond Dam Orange County | 15 | 1930 | Significant | Poor |
| Spring Lake Dam Westchester County | 20 | 1895 | Significant | Poor |
| Spruce Lake Dam Herkimer County | 18 | 1897 | Significant | Poor |
| Staatsburg Water CO Dam Dutchess County | 10 | 1908 | Significant | Poor |
| Stamford Reservoir Dam Schoharie County | 28 | 1893 | Significant | Poor |
| Starbuckville Dam Warren County | 13 | 1982 | Significant | Satisfactory |
| Stark Falls Dike F St. Lawrence County | 10 | 1957 | Significant | Satisfactory |
| Station 26 Monroe County | 18 | 1952 | Significant | Satisfactory |
| Steele Reservoir Dam Saratoga County | 64 | 1907 | Significant | Poor |
Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.