Holley Waste Weir Dam
Low HazardNot Rated ConditionEmergency Action Plan: Not Required
Location
| County | Orleans |
| River/Stream | East Br. Sandy Creek |
| Coordinates | 43.22522, -78.01694 |
Physical Characteristics
| Dam Type | Concrete |
| NID Height | 15 ft |
| Dam Height | 15 ft |
| Dam Length | 93 ft |
| Year Completed | 1918 (108 years old) |
Storage & Hydraulics
| NID Storage | 10,488 acre-ft |
| Max Storage | 10,488 acre-ft |
| Normal Storage | 8,640 acre-ft |
| Surface Area | 890 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 957 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Navigation |
| Owner | New York State Canal Corporation |
| Owner Type | State |
| Hazard Classification | Low |
| Condition Assessment | Not Rated |
| Last Inspection | 09/16/2020 |
| Emergency Action Plan | Not Required |