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 1051–1075 of 1,871
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Lower Cornelius S Smith Dam Delaware County | 15 | 1959 | Significant | Poor |
| Lower Cragston Lake Orange County | 10 | — | High | Unsatisfactory |
| Lower Earlville Reservoir Dam Madison County | 25 | — | Significant | Not Rated |
| Lower Greenwich Dam Washington County | 7 | 1925 | Significant | Not Rated |
| Lower Lake Dam Suffolk County | 12 | 1940 | Low | Not Rated |
| Lower Lake Metaugue Dam Sullivan County | 10 | 1960 | Low | Not Rated |
| Lower Lake Nimham Dam Putnam County | 16 | 1968 | Low | Not Rated |
| Lower Reservoir Dam Madison County | 31 | 1882 | Significant | Poor |
| Lower Reservoir Dam Otsego County | 20 | — | Significant | Fair |
| Lower (South) Wiccopee Dam Putnam County | 45 | 1913 | High | Not Rated |
| Lower Warwick Dam Orange County | 33 | 1887 | High | Fair |
| Lower Wee-Wah Lake Dam Orange County | 30 | 1890 | High | Satisfactory |
| Lows Lake Dam St. Lawrence County | 21 | 1903 | Low | Not Rated |
| Lucian Hill Dam Livingston County | 16 | 1967 | Significant | Not Rated |
| Lucky Star Lake Dam Jefferson County | 13 | 1951 | Low | Not Rated |
| Lusk Reservior Orange County | 30 | 1895 | High | Poor |
| Lyle Harwood Recreational Pond Dam Cattaraugus County | 13 | 1967 | Low | Not Rated |
| Lyle Underwood W L Pond #2 Dam & Dike Cattaraugus County | 7 | 1954 | Low | Not Rated |
| Lyon Lodge Dam Ulster County | 12 | 1925 | Significant | Poor |
| Lyonsdale - Dam No. 2 Lewis County | 9 | 1935 | Low | Satisfactory |
| Lyons Falls - Mill 3 Lewis County | 10 | 1922 | Low | Satisfactory |
| Lyons Pond Dam Madison County | 14 | 1917 | Low | Not Rated |
| Macghee Dam Dutchess County | 10 | 1953 | Significant | Poor |
| Macomb Franklin County | 32 | 1904 | Low | Satisfactory |
| Madawaska Pond Dam Franklin County | 7 | — | Low | Not Rated |
Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.