Deferiet
New York — Jefferson County — Black River
Location
| State | New York |
| County | Jefferson |
| River | Black River |
| Coordinates | 44.02690, -75.67890 |
Physical Characteristics
| NID Height | 18 ft |
| Dam Height | 18 ft |
| Dam Length | 695 ft |
| NID Storage | 405 acre-ft |
| Max Storage | 405 acre-ft |
| Surface Area | 70 acres |
Safety Classification
| Hazard Potential | Low |
| Condition Assessment | Satisfactory |
| EAP Status | Not Required |
| Last Inspection | August 9, 2019 |
| Inspection Frequency | 3 |
Dam Information
| Year Completed | 1899 |
| Primary Purpose | Hydroelectric |
| Dam Type | Buttress |
| Owner Type | Private |
| 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.