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 1326–1350 of 1,871
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Pecks Dam Ulster County | 30 | 1962 | Significant | Poor |
| Peconic Lake Dam Suffolk County | 13 | 1915 | Low | Not Rated |
| Peconic River Sportsman Club Dam Suffolk County | 11 | 1925 | Significant | Not Rated |
| Pell Lake Dam Dutchess County | 13 | 1935 | Low | Not Rated |
| Pelto Dam Tioga County | 39 | 1955 | High | Poor |
| Pelton Pond Dam Putnam County | 41 | 1939 | Significant | Poor |
| Penfield Pond Dam Essex County | 14 | 1980 | Significant | Poor |
| Perch River Wildlife Refuge Dam Jefferson County | 15 | 1964 | Low | Not Rated |
| Perkins Estate Pond Dam Putnam County | 25 | 1927 | High | Poor |
| Petersons Pond Dam Westchester County | 15 | — | Significant | Not Rated |
| Petker & Cohen Dam Orange County | 25 | 1939 | Low | Not Rated |
| Petrillo Lake Dam Sullivan County | 17 | 1952 | Low | Not Rated |
| Philadelphia - Nonoverflow Section Jefferson County | 13 | 1910 | Significant | Satisfactory |
| Phillips Mill Pond Dam Suffolk County | 10 | 1850 | Significant | Poor |
| Philmont Reservoir Dam Columbia County | 35 | 1916 | Significant | Not Rated |
| Phoenix Lock & Dam No. 1 Oswego County | 11 | 1914 | Significant | Satisfactory |
| Pickwacket Pond Dam Hamilton County | 7 | 1955 | Low | Not Rated |
| Piercefield St. Lawrence County | 22 | 1914 | High | Satisfactory |
| Pike Brook Dam Washington County | 30 | 1924 | Significant | Poor |
| Pinebush Lake Dam Ulster County | 15 | — | Low | Not Rated |
| Pine Grove Lake Dam Rockland County | 12 | 1968 | High | Poor |
| Pine Hill Lake Dam Ulster County | 28 | 1987 | Significant | Not Rated |
| Pine Lake Dam Fulton County | 16 | 1855 | Significant | Not Rated |
| Pine Lake Dam Westchester County | 15 | — | Significant | Poor |
| Pine Lake Dam Sullivan County | 13 | — | Low | Not Rated |
Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.