Mill Creek Canyon Stormwater Detention D
Key Takeaway
Mill Creek Canyon Stormwater Detention D is classified as high hazard in Washington. It was completed in 1982 and is 44 years old. Its primary use is flood risk reduction. 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 Length | 550 ft |
| Dam Type | Earth |
| Max Storage | 27 acre-ft |
| Normal Storage | 17 acre-ft |
| Surface Area | 6 acres |
| Drainage Area | 2 sq mi |
| Max Discharge | 760 cfs |
| Year Completed | 1982 (44 years old) |
| NID ID | WA01443 |
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
Kent City Public Works Dept
Local Government
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Significant HazardFrequently Asked Questions
What is the hazard classification of Mill Creek Canyon Stormwater Detention D?
Mill Creek Canyon Stormwater Detention D 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 Mill Creek Canyon Stormwater Detention D?
Mill Creek Canyon Stormwater Detention D is owned by Kent City Public Works Dept (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Mill Creek Canyon Stormwater Detention D built?
Mill Creek Canyon Stormwater Detention D was completed in 1982, making it 44 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 Mill Creek Canyon Stormwater Detention D?
Mill Creek Canyon Stormwater Detention D serves the following purposes: Flood Risk Reduction, Recreation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
When was Mill Creek Canyon Stormwater Detention D last inspected?
Mill Creek Canyon Stormwater Detention D was last inspected on October 24, 2023. Inspection dates indicate when a formal review occurred, not the results of that inspection.