Yelm Canal Dike
Key Takeaway
Yelm Canal Dike is classified as high hazard in Washington. It was completed in 1930 and is 96 years old. Its primary use is hydroelectric. High hazard means loss of life is likely if the dam fails — it does not indicate the dam's current condition. Learn more.
Physical Details
| Dam Height | 35 ft (taller than 41.3% in WA) |
| Dam Length | 48,050 ft |
| Dam Type | Earth |
| Max Storage | 350 acre-ft |
| Normal Storage | 350 acre-ft |
| Surface Area | 55 acres |
| Max Discharge | 750 cfs |
| Year Completed | 1930 (96 years old) |
| NID ID | WA00753 |
Safety Information
Loss of human life is likely if the dam fails.
Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?
Ownership
City of Centralia
Local Government
Nearby Dams
Frequently Asked Questions
What is the hazard classification of Yelm Canal Dike?
Yelm Canal Dike is classified as High Hazard. Loss of human life is likely if the dam fails. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.
Who owns and operates Yelm Canal Dike?
Yelm Canal Dike is owned by City of Centralia (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Yelm Canal Dike built?
Yelm Canal Dike was completed in 1930, making it 96 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 Yelm Canal Dike?
Yelm Canal Dike serves the following purposes: Hydroelectric. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Yelm Canal Dike?
Yelm Canal Dike has a dam height of 35 ft. Dam height is measured from the natural streambed at the downstream toe to the top of the dam, and may differ from the visible height.
When was Yelm Canal Dike last inspected?
Yelm Canal Dike was last inspected on June 6, 2022. Inspection dates indicate when a formal review occurred, not the results of that inspection.