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 1126–1150 of 1,871
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Melcher Dam Columbia County | 22 | 1930 | Low | Not Rated |
| Melody Lake Dam Sullivan County | 10 | — | Low | Not Rated |
| Melody Lake Dam Cortland County | 26 | 1902 | High | Poor |
| Melzingah Dam Dutchess County | 51 | 1924 | High | Poor |
| Memorial Recreation Pond Dam Franklin County | 19 | 1946 | Significant | Not Rated |
| Merriewold Lake Dam Sullivan County | 10 | 1914 | Significant | Not Rated |
| Merriewold Lake Dam Orange County | 50 | 1953 | Significant | Not Rated |
| Merrill & Rutherford Dam Ulster County | 11 | 1969 | Low | Not Rated |
| Merriman Dam Ulster County | 195 | 1945 | High | Satisfactory |
| Middle Branch Dam Putnam County | 95 | 1878 | High | Satisfactory |
| Middle Falls Washington County | 48 | 1915 | Low | Satisfactory |
| Middle Greenwich Dam Washington County | 10 | 1902 | Significant | Not Rated |
| Middleport Reservoir Dam Niagara County | 21 | 1931 | Low | Not Rated |
| Middleport Waste Weir Dam Niagara County | 17 | 1918 | Significant | Not Rated |
| Middletown Reservoir Dam Orange County | 14 | 1925 | Low | Not Rated |
| Middle Warwick Dam Orange County | 35 | 1912 | Low | Fair |
| Mill #2 Concrete Dam Columbia County | 19 | 1908 | Low | Not Rated |
| Mill Brook Site 1 Dam Chenango County | 52 | 1979 | High | Satisfactory |
| Mill Brook Site 2 Dam Chenango County | 87 | 1986 | High | Poor |
| Mill C Clinton County | 43 | 1922 | Significant | Satisfactory |
| Mill Dam St. Lawrence County | 12 | 1916 | Low | Not Rated |
| Millers Mills Dam Herkimer County | 20 | 1917 | Low | Not Rated |
| Millers Pond Dam Suffolk County | 7 | 1940 | Low | Not Rated |
| Milligan & Higgins Dam Fulton County | 12 | 1907 | Significant | Poor |
| Mill Pond Dam Columbia County | 10 | 1890 | Significant | Not Rated |
Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.