Upper Mill Creek Stormwater Detention Da
Key Takeaway
Upper Mill Creek Stormwater Detention Da is classified as high hazard in Washington. It was completed in 1990 and is 36 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 | 600 ft |
| Dam Type | Earth |
| Max Storage | 167 acre-ft |
| Normal Storage | 133 acre-ft |
| Surface Area | 11 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 820 cfs |
| Year Completed | 1990 (36 years old) |
| NID ID | WA00582 |
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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High HazardFrequently Asked Questions
What is the hazard classification of Upper Mill Creek Stormwater Detention Da?
Upper Mill Creek Stormwater Detention Da 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 Upper Mill Creek Stormwater Detention Da?
Upper Mill Creek Stormwater Detention Da 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 Upper Mill Creek Stormwater Detention Da built?
Upper Mill Creek Stormwater Detention Da was completed in 1990, making it 36 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 Upper Mill Creek Stormwater Detention Da?
Upper Mill Creek Stormwater Detention Da serves the following purposes: Flood Risk Reduction. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
When was Upper Mill Creek Stormwater Detention Da last inspected?
Upper Mill Creek Stormwater Detention Da was last inspected on October 18, 2023. Inspection dates indicate when a formal review occurred, not the results of that inspection.