Willow Creek Wtrshd Site A-1
Key Takeaway
Willow Creek Wtrshd Site A-1 is classified as high hazard in Missouri. It was completed in 1975 and is 51 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 Height | 42 ft (taller than 91% in MO) |
| Dam Length | 1,100 ft |
| Dam Type | Earth |
| Max Storage | 2.0K acre-ft |
| Normal Storage | 142 acre-ft |
| Surface Area | 29 acres |
| Drainage Area | 5 sq mi |
| Max Discharge | 5,633 cfs |
| Year Completed | 1975 (51 years old) |
| NID ID | MO11084 |
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
WILLOW CREEK WTRSD SUBDS
Local Government
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Low Hazard 28 ftFrequently Asked Questions
What is the hazard classification of Willow Creek Wtrshd Site A-1?
Willow Creek Wtrshd Site A-1 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 Willow Creek Wtrshd Site A-1?
Willow Creek Wtrshd Site A-1 is owned by WILLOW CREEK WTRSD SUBDS (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Willow Creek Wtrshd Site A-1 built?
Willow Creek Wtrshd Site A-1 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 Willow Creek Wtrshd Site A-1?
Willow Creek Wtrshd Site A-1 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.
How tall is Willow Creek Wtrshd Site A-1?
Willow Creek Wtrshd Site A-1 has a dam height of 42 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 Willow Creek Wtrshd Site A-1 last inspected?
Willow Creek Wtrshd Site A-1 was last inspected on April 7, 2020. Inspection dates indicate when a formal review occurred, not the results of that inspection.