Flat Rock
New York — St. Lawrence County
Location
| State | New York |
| County | St. Lawrence |
| Coordinates | 44.22150, -75.07380 |
Physical Characteristics
| NID Height | 72 ft |
| Dam Height | 67 ft |
| Dam Length | 568 ft |
| NID Storage | 3,382 acre-ft |
| Max Storage | 3,382 acre-ft |
| Surface Area | 228 acres |
Safety Classification
| Hazard Potential | High |
| Condition Assessment | Satisfactory |
| EAP Status | — |
| Last Inspection | — |
| Inspection Frequency | 1 |
Dam Information
| Year Completed | 1925 |
| Primary Purpose | Hydroelectric |
| Dam Type | — |
| Owner Type | — |
| Owner | Erie Boulevard Hydropower, L.P. |
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.