William O Nannen Pond Dam
New York — Cattaraugus County — TR-GREAT VALLEY CREEK
Location
| State | New York |
| County | Cattaraugus |
| River | TR-GREAT VALLEY CREEK |
| Coordinates | 42.28833, -78.66306 |
Physical Characteristics
| NID Height | 15 ft |
| Dam Height | 15 ft |
| Dam Length | 1,230 ft |
| NID Storage | 36 acre-ft |
| Max Storage | 36 acre-ft |
| Surface Area | 4 acres |
Safety Classification
| Hazard Potential | Significant |
| Condition Assessment | Fair |
| EAP Status | Yes |
| Last Inspection | May 17, 2023 |
| Inspection Frequency | 4 |
Dam Information
| Year Completed | 1964 |
| Primary Purpose | Recreation |
| Dam Type | Earth |
| Owner Type | Private |
| Owner | Michael L. Mead |
| Other Name | Murphy Lake |
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.