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 1601–1625 of 1,871
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Stony Point Dam Rockland County | 16 | 1900 | Significant | Not Rated |
| Storm King Art Center Dam Orange County | 22 | 2001 | Low | Not Rated |
| Storms Dam Otsego County | 14 | 1969 | Low | Not Rated |
| St. Regis Falls Franklin County | 10 | 1947 | Low | Satisfactory |
| Stuart Klahn Dam Cattaraugus County | 14 | 1952 | Low | Not Rated |
| Stuart Mitchell Pond Dam Yates County | 30 | 1964 | Low | Not Rated |
| Student Prince Restaurant Pond Dam Albany County | 20 | 1964 | Low | Not Rated |
| Stump Pond Dam Sullivan County | 6 | 1888 | Significant | Not Rated |
| Stump Pond Dam Cortland County | 15 | 1928 | High | Poor |
| Sturgeon Pool Dam Ulster County | 109 | 1922 | High | Satisfactory |
| Stuts Dam Orange County | 10 | — | Significant | Not Rated |
| Stuyvesant Falls Columbia County | 13 | 1900 | Significant | Satisfactory |
| Sugar Creek Farms Pond Dam Livingston County | 23 | 1999 | Low | Not Rated |
| Sugar Island St. Lawrence County | 35 | 1925 | Low | Satisfactory |
| Sullivan Park Detention Dam Steuben County | 16 | 1982 | Significant | Not Rated |
| Summit Lake Dam Schoharie County | 14 | 1920 | Significant | Not Rated |
| Summit Lake Dam Orange County | 13 | 1873 | Low | Not Rated |
| Summit Lake Dam and Dike Westchester County | 15 | 1992 | Significant | Poor |
| Summit Street Lake Dam Columbia County | 28 | 1914 | High | Satisfactory |
| Sunrise Lake Dam Sullivan County | 26 | 1965 | Significant | Not Rated |
| Sunset Lake Dam Sullivan County | 18 | — | Low | Not Rated |
| Sunset Saddle Dam Cattaraugus County | 20 | — | Significant | Not Rated |
| Swamp Road Dike Jefferson County | 7 | 1997 | Low | Not Rated |
| Swan Lake Dam Westchester County | 34 | 1933 | High | Poor |
| Swan Lake Dam Sullivan County | 31 | 1894 | Significant | Fair |
Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.