Centralia Coal Mine Pond 46a Dam
High HazardSatisfactory ConditionEmergency Action Plan: Yes
Location
| State | Washington |
| County | Lewis |
| River/Stream | Unnamed Tr - Mitchell Creek |
| Coordinates | 46.69613, -122.76277 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 16 ft |
| Dam Length | 100 ft |
| Year Completed | 2004 (22 years old) |
Storage & Hydraulics
| NID Storage | 48 acre-ft |
| Max Storage | 44 acre-ft |
| Normal Storage | 48 acre-ft |
| Surface Area | 3 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 621 cfs |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | TransAlta Centralia Mining LLC |
| Owner Type | Public Utility |
| Hazard Classification | High |
| Condition Assessment | Satisfactory |
| Last Inspection | 08/27/2015 |
| Emergency Action Plan | Yes |