Holley Waste Weir Dam
New York — Orleans County — East Br. Sandy Creek
Location
| State | New York |
| County | Orleans |
| River | East Br. Sandy Creek |
| Coordinates | 43.22522, -78.01694 |
Physical Characteristics
| NID Height | 15 ft |
| Dam Height | 15 ft |
| Dam Length | 93 ft |
| NID Storage | 10,488 acre-ft |
| Max Storage | 10,488 acre-ft |
| Surface Area | 890 acres |
Safety Classification
| Hazard Potential | Low |
| Condition Assessment | Not Rated |
| EAP Status | Not Required |
| Last Inspection | September 16, 2020 |
| Inspection Frequency | — |
Dam Information
| Year Completed | 1918 |
| Primary Purpose | Navigation |
| Dam Type | Concrete |
| Owner Type | State |
| Owner | New York State Canal Corporation |
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.