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 1501–1525 of 1,871
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Sharron Pond Dam Essex County | 8 | — | Significant | Not Rated |
| Sheffield Farms Pond Dam Schoharie County | 9 | 1919 | Significant | Poor |
| Shelby Center Dam Orleans County | 6 | 1870 | Significant | Not Rated |
| Sherburne Lower Reservoir Dam Chenango County | 25 | 1917 | Low | Poor |
| Sherburne Upper Reservoir Dam Chenango County | 35 | 1917 | Low | Poor |
| Sherman Island Warren County | 80 | 1923 | High | Satisfactory |
| Sherwood Allen Pond Dam Sullivan County | 8 | 1963 | Low | Not Rated |
| Sidney Reservoir #5 Dam Delaware County | 77 | 1936 | Significant | Poor |
| Sidwell Lake Dam Sullivan County | 11 | — | Significant | Not Rated |
| Silver Creek Reservoir Dam Chautauqua County | 35 | 1925 | Significant | Not Rated |
| Silver Lake Dam Wyoming County | 15 | 1982 | Significant | Not Rated |
| Silver Lake Dam Westchester County | 9 | 1815 | Significant | Poor |
| Silver Lake Dam Dutchess County | 6 | — | Significant | Poor |
| Silver Lake Dam Sullivan County | 8 | — | Significant | Not Rated |
| Silver Lake Dam Sullivan County | 14 | 1850 | Significant | Not Rated |
| Silver Lake Dam Orange County | 12 | 1923 | Low | Not Rated |
| Silver Lake Reservoir Dam Richmond County | 65 | 1917 | High | Satisfactory |
| Silver Mine Lake Dam Orange County | 36 | 1934 | Significant | Poor |
| Silver Stream Reservoir Dam Orange County | 36 | 1923 | High | Satisfactory |
| Simone/Popolozo/Ragozzino Dam Otsego County | 24 | — | Low | Not Rated |
| Sissonville St. Lawrence County | 16 | 1990 | Low | Satisfactory |
| Sixth Lake Dam Hamilton County | 16 | 1920 | High | Fair |
| Skaneateles Creek Dam Onondaga County | 22 | — | Low | Not Rated |
| Skaneateles Lake Dam Onondaga County | 22 | 1902 | High | Satisfactory |
| Sky View Pond Dam Orange County | 24 | 1952 | Significant | Poor |
Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.