Centralia Coal Mine Dam No 44
Key Takeaway
Centralia Coal Mine Dam No 44 is classified as low hazard in Washington. It was completed in 1975 and is 51 years old. Its primary use is tailings.
Physical Details
| Dam Type | Earth |
| Max Storage | 325 acre-ft |
| Normal Storage | 180 acre-ft |
| Surface Area | 28 acres |
| Drainage Area | 2 sq mi |
| Max Discharge | 115 cfs |
| Year Completed | 1975 (51 years old) |
| NID ID | WA00584 |
Safety Information
No probable loss of human life and low economic/environmental losses expected.
Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?
Ownership
TransAlta Centralia Mining LLC
Public Utility
Nearby Dams
Centralia Coal Mine Dam No 5c
Lewis, WA
Low HazardCentralia Coal Mine Dam No 3c East
Lewis, WA
Significant HazardCentralia Coal Mine Dam No 5
Lewis, WA
Low HazardCentralia Coal Mine Dam No 3c South
Lewis, WA
Significant HazardCentralia Coal Mine Dam No 36a
Lewis, WA
Low HazardCentralia Coal Mine Dam No 3c North
Lewis, WA
Significant HazardCentralia Coal Mine Dam No 3d
Lewis, WA
Low HazardCentralia Coal Mine Dam No 36
Lewis, WA
Low HazardFrequently Asked Questions
What is the hazard classification of Centralia Coal Mine Dam No 44?
Centralia Coal Mine Dam No 44 is classified as Low Hazard. No probable loss of human life and low economic/environmental losses expected. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.
Who owns and operates Centralia Coal Mine Dam No 44?
Centralia Coal Mine Dam No 44 is owned by TransAlta Centralia Mining LLC (Public Utility). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Centralia Coal Mine Dam No 44 built?
Centralia Coal Mine Dam No 44 was completed in 1975, making it 51 years old. Many U.S. dams were built between the 1930s and 1970s during a period of major infrastructure investment.
What is the primary purpose of Centralia Coal Mine Dam No 44?
Centralia Coal Mine Dam No 44 serves the following purposes: Tailings. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
When was Centralia Coal Mine Dam No 44 last inspected?
Centralia Coal Mine Dam No 44 was last inspected on August 8, 2023. Inspection dates indicate when a formal review occurred, not the results of that inspection.