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 276–300 of 544
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Lime Lake Outlet Dam Cattaraugus County | 12 | 1850 | Significant | Not Rated |
| Lily Pond Dam Orange County | 10 | 1949 | Significant | Fair |
| Leroy Reservoir Dam Genesee County | 17 | 1960 | Significant | Not Rated |
| Lens Lake Dam Warren County | 12 | 1959 | Significant | Not Rated |
| Leland Pond Dam Madison County | 15 | 1836 | Significant | Fair |
| Leisurewood Campground Dam Erie County | 7 | — | Significant | Not Rated |
| Leeward Lake Dam Wayne County | 16 | — | Significant | Not Rated |
| Larchmont Dam Westchester County | 10 | 1925 | Significant | Poor |
| Lapp Pond Dam Dutchess County | 7 | 1932 | Significant | Not Rated |
| Lake Wellington Dam - Camp Cutler Ontario County | 35 | 1971 | Significant | Not Rated |
| Lake Weil Dam Dutchess County | 14 | 1940 | Significant | Not Rated |
| Lake Walton Dam Dutchess County | 10 | 1895 | Significant | Satisfactory |
| Lake Valhalla Dam Putnam County | 19 | 1928 | Significant | Poor |
| Lake Te-Ata Dam Orange County | 60 | 1927 | Significant | Poor |
| Lake Snow Dam Hamilton County | 15 | 1955 | Significant | Satisfactory |
| Lake Skemonto Dam Orange County | 29 | 1934 | Significant | Poor |
| Lake Sekunna Dam Dutchess County | 10 | 1935 | Significant | Poor |
| Lake Roxanne Dam Clinton County | 17 | 1967 | Significant | Poor |
| Lake Ridge Dam Albany County | 60 | — | Significant | Not Rated |
| Lake Pocatello Dam Orange County | 14 | 1922 | Significant | Poor |
| Lake Oberon Dam Onondaga County | 12 | 1974 | Significant | Satisfactory |
| Lake Maratanza Dam Ulster County | 12 | 1923 | Significant | Fair |
| Lake Macgregor Dam Putnam County | 38 | 1955 | Significant | Not Rated |
| Lake Luzerne Dam Warren County | 5 | 1860 | Significant | Not Rated |
| Lake Ludlow Club Dam Chenango County | 24 | 1937 | Significant | Satisfactory |
Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.