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 1001–1025 of 1,871
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Little Simon Pond Dam Franklin County | 7 | 1920 | Low | Not Rated |
| Littles Lake Dam Albany County | 28 | — | Low | Not Rated |
| Little Whaley Lake Dam Dutchess County | 10 | 1950 | Low | Not Rated |
| Little York Dam Cortland County | 7 | 2015 | Significant | Not Rated |
| Livingston Lake Dam Saratoga County | 12 | 1905 | Low | Not Rated |
| Livonia Reservoir Dam Livingston County | 35 | 1926 | Low | Not Rated |
| Lloyd Goodrich Pond Dam Columbia County | 11 | 1971 | Low | Not Rated |
| Lloyd Sutton Dam Cortland County | 12 | 1968 | Significant | Not Rated |
| Lochada Lake Dam Sullivan County | 13 | 1960 | Low | Not Rated |
| Loch Lyall Dam Putnam County | 11 | 1950 | Significant | Poor |
| Lock 24 Dam Erie Canal Onondaga County | 21 | 1908 | High | Poor |
| Lock 29 Dam Barge Canal Wayne County | 23 | 1912 | Low | Not Rated |
| Lock 32 Dam Erie Canal Monroe County | 40 | 1908 | High | Poor |
| Lock 33 Dam Erie Canal Monroe County | 40 | 1908 | High | Poor |
| Lock 4 - Stillwater Rensselaer County | 5 | 1955 | Significant | Satisfactory |
| Lock C-11 Dam Washington County | 15 | 1910 | Significant | Satisfactory |
| Lock C-12 Washington County | 21 | 1911 | Significant | Satisfactory |
| Lock C-1 Dam At Waterford Saratoga County | 24 | 1912 | Low | Not Rated |
| Lock C-9 Dam Washington County | 17 | 1907 | Low | Not Rated |
| Lock E10 Cranesville Montgomery County | 15 | 1910 | Low | Not Rated |
| Lock E11 Amsterdam Montgomery County | 12 | 1910 | Low | Not Rated |
| Lock E12 Tribes Hill Montgomery County | 11 | 1910 | Low | Not Rated |
| Lock E13 Randall Montgomery County | 8 | 1910 | Low | Not Rated |
| Lock E14 Canajoharie Montgomery County | 8 | 1910 | Low | Not Rated |
| Lock E15 Fort Plain Montgomery County | 8 | 1910 | Low | Not Rated |
Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.