Denley
Low HazardSatisfactory ConditionEmergency Action Plan: Not Required
Location
| State | New York |
| County | Lewis |
| Nearest City | Port Leyden |
| River/Stream | Black River |
| Coordinates | 43.54530, -75.32510 |
Physical Characteristics
| Dam Type | Concrete |
| NID Height | 29 ft |
| Dam Height | 29 ft |
| Dam Length | 350 ft |
| Year Completed | 1912 (114 years old) |
Storage & Hydraulics
| NID Storage | 350 acre-ft |
| Max Storage | 350 acre-ft |
| Normal Storage | 350 acre-ft |
| Surface Area | 41 acres |
| Drainage Area | 398 sq mi |
| Max Discharge | 17,400 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Hydroelectric |
| Owner Type | Not Listed |
| Hazard Classification | Low |
| Condition Assessment | Satisfactory |
| Last Inspection | 09/19/2019 |
| Emergency Action Plan | Not Required |