Katy Allen Lake Dam
Key Takeaway
Katy Allen Lake Dam is classified as high hazard in Missouri. It was completed in 1910 and is 116 years old. Its primary use is recreation. 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 | 25 ft (taller than 23.5% in MO) |
| Dam Type | Earth |
| Max Storage | 160 acre-ft |
| Normal Storage | 60 acre-ft |
| Surface Area | 12 acres |
| Drainage Area | 625 sq mi |
| Year Completed | 1910 (116 years old) |
| NID ID | MO20207 |
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
VERNON COUNTY MO
Private
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Low Hazard 20 ftFrequently Asked Questions
What is the hazard classification of Katy Allen Lake Dam?
Katy Allen 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 Katy Allen Lake Dam?
Katy Allen Lake Dam is owned by VERNON COUNTY MO (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Katy Allen Lake Dam built?
Katy Allen Lake Dam was completed in 1910, making it 116 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 Katy Allen Lake Dam?
Katy Allen Lake Dam serves the following purposes: Recreation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Katy Allen Lake Dam?
Katy Allen Lake Dam has a dam height of 25 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 Katy Allen Lake Dam last inspected?
Katy Allen Lake Dam was last inspected on June 21, 1979. Inspection dates indicate when a formal review occurred, not the results of that inspection.