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 876–900 of 1,871
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Lake Butterfield Dam Saratoga County | 9 | 1913 | Low | Not Rated |
| Lake Carmel Dam Putnam County | 25 | 1930 | High | Poor |
| Lake Casse Dam Putnam County | 14 | 1953 | Significant | Poor |
| Lake Clear Outlet Dam Franklin County | 12 | 1922 | Low | Not Rated |
| Lake Cohasset Lower Dam Orange County | 21 | 1924 | High | Fair |
| Lake Cohasset Upper Dam Orange County | 25 | 1924 | High | Poor |
| Lake Dark Hollow Dam Westchester County | 28 | 1913 | Significant | Poor |
| Lake Deforest Dam Rockland County | 40 | 1956 | High | Not Rated |
| Lake Delaware Dam Delaware County | 9 | 1840 | Low | Not Rated |
| Lake Durant Dam Hamilton County | 15 | 1933 | Low | Not Rated |
| Lake Dutchess Dam Dutchess County | 15 | 1927 | Low | Not Rated |
| Lake Edward Dam Fulton County | 13 | 1855 | Low | Not Rated |
| Lake Elizabeth Dam Rensselaer County | 18 | 1950 | Low | Not Rated |
| Lake Florence Dam Franklin County | 18 | 1901 | Low | Not Rated |
| Lake Florence Dam Sullivan County | 7 | 1920 | Low | Not Rated |
| Lake Flower Franklin County | 19 | 1937 | High | Satisfactory |
| Lake Forest Dam Warren County | 12 | 1973 | Low | Not Rated |
| Lake Frederick Orange County | 35 | 1911 | High | Poor |
| Lake Georgena Orange County | 15 | 1913 | Low | Unsatisfactory |
| Lake George Outlet Essex County | 8 | 1880 | High | Fair |
| Lake Gilead Dam Putnam County | 15 | — | Low | Not Rated |
| Lake Hawthorne Dam Orange County | 10 | 1927 | Low | Not Rated |
| Lake Heloise Dam Greene County | 20 | 1910 | Low | Not Rated |
| Lake Hildegarde Dam Orange County | 10 | 1929 | Significant | Not Rated |
| Lake Hiram Club Dam Wyoming County | 17 | 1936 | Low | Not Rated |
Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.