Centralia Coal Mine Dam No 8
Washington — Lewis County — Tr-South Hanaford Creek
Location
| State | Washington |
| County | Lewis |
| River | Tr-South Hanaford Creek |
| Coordinates | 46.70515, -122.81221 |
Physical Characteristics
| NID Height | 12 ft |
| Dam Height | — |
| Dam Length | 470 ft |
| NID Storage | 84 acre-ft |
| Max Storage | 84 acre-ft |
| Surface Area | 13 acres |
Safety Classification
| Hazard Potential | High |
| Condition Assessment | Satisfactory |
| EAP Status | Yes |
| Last Inspection | March 18, 2025 |
| Inspection Frequency | 5 |
Dam Information
| Year Completed | 1972 |
| Primary Purpose | Tailings |
| Dam Type | Earth |
| Owner Type | Public Utility |
| Owner | TransAlta Centralia Mining LLC |
| Other Name | Widco Dam No. 8 |
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.