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 926–950 of 1,871
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Lake Ridge Dam Albany County | 60 | — | Significant | Not Rated |
| Lake Roxanne Dam Clinton County | 17 | 1967 | Significant | Poor |
| Lake Sebago Dam Rockland County | 30 | 1925 | High | Poor |
| Lake Sekunna Dam Dutchess County | 10 | 1935 | Significant | Poor |
| Lake Skannatati Dams A B & C Orange County | 24 | 1945 | Low | Not Rated |
| Lake Skemonto Dam Orange County | 29 | 1934 | Significant | Poor |
| Lake Snow Dam Hamilton County | 15 | 1955 | Significant | Satisfactory |
| Lake Stahahe Dam Orange County | 14 | 1918 | High | Fair |
| Lake Superior Dam Sullivan County | 7 | 1920 | Low | Not Rated |
| Lake Surprise Dam Putnam County | 10 | — | Low | Not Rated |
| Lake Suzanne Dam Rockland County | 19 | 1986 | High | Poor |
| Lake Te-Ata Dam Orange County | 60 | 1927 | Significant | Poor |
| Lake Tibet Dam Putnam County | 8 | 1950 | Low | Not Rated |
| Lake Tiorati Dam Orange County | 21 | 1915 | High | Satisfactory |
| Lake Uncas Dam Sullivan County | 12 | 1940 | Low | Not Rated |
| Lake Valhalla Dam Putnam County | 19 | 1928 | Significant | Poor |
| Lake Vanare Dam Warren County | 8 | 1926 | Low | Not Rated |
| Lake Walton Dam Dutchess County | 10 | 1895 | Significant | Satisfactory |
| Lake Weil Dam Dutchess County | 14 | 1940 | Significant | Not Rated |
| Lake Welch Dam Rockland County | 32 | 1937 | High | Poor |
| Lake Wellington Dam - Camp Cutler Ontario County | 35 | 1971 | Significant | Not Rated |
| Lake Woodstock Dam Albany County | 12 | 1984 | Low | Not Rated |
| Lallier Dam Oneida County | 20 | 1960 | Low | Not Rated |
| Lamson Dike Orange County | 9 | 1925 | Low | Not Rated |
| Lapp Pond Dam Dutchess County | 7 | 1932 | Significant | Not Rated |
Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.