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 176–200 of 544
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Pike Brook Dam Washington County | 30 | 1924 | Significant | Poor |
| Phoenix Lock & Dam No. 1 Oswego County | 11 | 1914 | Significant | Satisfactory |
| Philmont Reservoir Dam Columbia County | 35 | 1916 | Significant | Not Rated |
| Phillips Mill Pond Dam Suffolk County | 10 | 1850 | Significant | Poor |
| Philadelphia - Nonoverflow Section Jefferson County | 13 | 1910 | Significant | Satisfactory |
| Petersons Pond Dam Westchester County | 15 | — | Significant | Not Rated |
| Penfield Pond Dam Essex County | 14 | 1980 | Significant | Poor |
| Pelton Pond Dam Putnam County | 41 | 1939 | Significant | Poor |
| Peconic River Sportsman Club Dam Suffolk County | 11 | 1925 | Significant | Not Rated |
| Pecks Dam Ulster County | 30 | 1962 | Significant | Poor |
| Peck Lake Berm Fulton County | 25 | 1910 | Significant | Not Rated |
| Pearce Pond Dam Dutchess County | 7 | — | Significant | Poor |
| Pawling Reservoir Dam Dutchess County | 22 | — | Significant | Poor |
| Parrish Pond Reservoir Dam Monroe County | 30 | — | Significant | Not Rated |
| Paramount Pond Dam Sullivan County | 13 | 1947 | Significant | Not Rated |
| Paine Lake Dam Westchester County | 13 | 1890 | Significant | Poor |
| Owasco Lake Outlet Dam Cayuga County | 14 | 1972 | Significant | Not Rated |
| Otter Creek Dam Orleans County | 37 | 1916 | Significant | Poor |
| Oriskany Falls Dam Madison County | 15 | 1917 | Significant | Poor |
| Orchard Lake Dam Sullivan County | 16 | 1870 | Significant | Not Rated |
| Onteora Pond Dam Greene County | 18 | 1924 | Significant | Poor |
| Oneida #8 Pond Dam #3 Oneida County | 19 | 1961 | Significant | Not Rated |
| Onderdonk Lake Dam Albany County | 11 | 1928 | Significant | Poor |
| Olmstedville Pond Dam Essex County | 10 | 1934 | Significant | Not Rated |
| Old Forge Reservoir Dam Herkimer County | 18 | 1905 | Significant | Poor |
Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.