Walnut Hill Lake Dam
Key Takeaway
Walnut Hill Lake Dam is classified as high hazard in Missouri. It was completed in 1973 and is 53 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 | 20 ft (taller than 7.1% in MO) |
| Dam Type | Earth |
| Max Storage | 86 acre-ft |
| Normal Storage | 48 acre-ft |
| Surface Area | 8 acres |
| Drainage Area | 28 sq mi |
| Year Completed | 1973 (53 years old) |
| NID ID | MO31335 |
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
AMBROSE N LEBEAU
Private
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What is the hazard classification of Walnut Hill Lake Dam?
Walnut Hill Lake Dam 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 Walnut Hill Lake Dam?
Walnut Hill Lake Dam is owned by AMBROSE N LEBEAU (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Walnut Hill Lake Dam built?
Walnut Hill Lake Dam was completed in 1973, making it 53 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 Walnut Hill Lake Dam?
Walnut Hill Lake Dam serves the following purposes: Flood Risk Reduction, Fire Protection, Stock, Or Small Fish Pond, Irrigation, Recreation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Walnut Hill Lake Dam?
Walnut Hill Lake Dam has a dam height of 20 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.