Willowbrook Lake Dam
Key Takeaway
Willowbrook Lake Dam is classified as significant hazard in Missouri. It was completed in 2004 and is 22 years old. Significant hazard means failure could cause economic or environmental damage. Learn more.
Physical Details
| Dam Height | 38 ft (taller than 88.1% in MO) |
| Dam Length | 431 ft |
| Normal Storage | 97 acre-ft |
| Surface Area | 8 acres |
| Drainage Area | 1 sq mi |
| Year Completed | 2004 (22 years old) |
| NID ID | MO32104 |
Safety Information
No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities.
Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?
Ownership
Private
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What is the hazard classification of Willowbrook Lake Dam?
Willowbrook Lake Dam is classified as Significant Hazard. No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.
Who owns and operates Willowbrook Lake Dam?
Willowbrook Lake Dam is owned by information not available (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Willowbrook Lake Dam built?
Willowbrook Lake Dam was completed in 2004, making it 22 years old. Many U.S. dams were built between the 1930s and 1970s during a period of major infrastructure investment.
How tall is Willowbrook Lake Dam?
Willowbrook Lake Dam has a dam height of 38 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 Willowbrook Lake Dam last inspected?
Willowbrook Lake Dam was last inspected on May 19, 2021. Inspection dates indicate when a formal review occurred, not the results of that inspection.