Deferiet
Low HazardSatisfactory ConditionEmergency Action Plan: Not Required
Location
| State | New York |
| County | Jefferson |
| Nearest City | Deferiet |
| River/Stream | Black River |
| Coordinates | 44.02690, -75.67890 |
Physical Characteristics
| Dam Type | Buttress |
| NID Height | 18 ft |
| Dam Height | 18 ft |
| Dam Length | 695 ft |
| Year Completed | 1899 (127 years old) |
Storage & Hydraulics
| NID Storage | 405 acre-ft |
| Max Storage | 405 acre-ft |
| Normal Storage | 405 acre-ft |
| Surface Area | 70 acres |
| Drainage Area | 1,817 sq mi |
| Max Discharge | 45,000 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Hydroelectric |
| Owner | Erie Boulevard Hydropower, L.P. |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Satisfactory |
| Last Inspection | 08/09/2019 |
| Emergency Action Plan | Not Required |