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 251–275 of 348
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Robert Moses - Niagara Niagara County | 97 | 1963 | High | Satisfactory |
| Robert Moses - St. Lawrence St. Lawrence County | 167 | 1958 | High | Satisfactory |
| Robinson Pond Dam Columbia County | 17 | 1915 | Significant | Satisfactory |
| Rock Island Lewis County | 18 | 1984 | Low | Satisfactory |
| Round Pond Creek Dam Monroe County | 20 | 1977 | High | Satisfactory |
| Rush Reservoir Dam Monroe County | 23 | 1876 | High | Satisfactory |
| Saddle Lake Dam Saratoga County | 23 | 1993 | Significant | Satisfactory |
| Sagamore Lake Dam Putnam County | 22 | 1946 | Significant | Satisfactory |
| Sage Pond Dam Oswego County | 13 | 1957 | Significant | Satisfactory |
| Schaghticoke Rensselaer County | 28 | 1909 | Low | Satisfactory |
| School Street Albany County | 16 | 1865 | Low | Satisfactory |
| Scotty's Dam Delaware County | 18 | 1949 | High | Satisfactory |
| Sherman Island Warren County | 80 | 1923 | High | Satisfactory |
| Silver Lake Reservoir Dam Richmond County | 65 | 1917 | High | Satisfactory |
| Silver Stream Reservoir Dam Orange County | 36 | 1923 | High | Satisfactory |
| Sissonville St. Lawrence County | 16 | 1990 | Low | Satisfactory |
| Skaneateles Lake Dam Onondaga County | 22 | 1902 | High | Satisfactory |
| Sleepy Hollow Dam Greene County | 83 | 1972 | High | Satisfactory |
| Sluice Gate E-6 Parking Lot Dam Saratoga County | 33 | 1918 | High | Satisfactory |
| Sly Pond Dam Washington County | 14 | 1896 | Significant | Satisfactory |
| Sodom Dam Putnam County | 78 | 1892 | High | Satisfactory |
| Soft Maple Dike No. 3 Lewis County | 30 | 1926 | Low | Satisfactory |
| South Channel Jefferson County | 12 | 1924 | Low | Satisfactory |
| South Colton St. Lawrence County | 42 | 1954 | High | Satisfactory |
| South Edwards St. Lawrence County | 53 | 1914 | Significant | Satisfactory |
Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.