Swan Lake Dam
New York — Westchester County — POCANTICO RIVER
Location
| State | New York |
| County | Westchester |
| River | POCANTICO RIVER |
| Coordinates | 41.11128, -73.83176 |
Physical Characteristics
| NID Height | 34 ft |
| Dam Height | 34 ft |
| Dam Length | 325 ft |
| NID Storage | 289 acre-ft |
| Max Storage | 289 acre-ft |
| Surface Area | 18 acres |
Safety Classification
| Hazard Potential | High |
| Condition Assessment | Poor |
| EAP Status | Yes |
| Last Inspection | January 12, 2024 |
| Inspection Frequency | 2 |
Dam Information
| Year Completed | 1933 |
| Primary Purpose | Recreation |
| Dam Type | Earth |
| Owner Type | State |
| Owner | NYS PARKS & RECREATION TACONIC |
| Other Name | John D Rockefeller Jr Dam |
Location Map
About This Dam Record
Dam safety data is maintained by the Army Corps of Engineers National Inventory of Dams (NID). High-hazard dams are those where failure could cause loss of life or major property damage downstream.