Hannah Lake Dam
Key Takeaway
Hannah Lake Dam is classified as high hazard in Missouri. Its primary use is other. 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 | 80 acre-ft |
| Normal Storage | 50 acre-ft |
| Surface Area | 6 acres |
| Drainage Area | 120 sq mi |
| NID ID | MO11263 |
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
JOHN D HANNAH,JR
Private
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Low Hazard 28 ftFrequently Asked Questions
What is the hazard classification of Hannah Lake Dam?
Hannah 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 Hannah Lake Dam?
Hannah Lake Dam is owned by JOHN D HANNAH,JR (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
What is the primary purpose of Hannah Lake Dam?
Hannah Lake Dam serves the following purposes: Other. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Hannah Lake Dam?
Hannah 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.