Lake Mahoney Dam
Key Takeaway
Lake Mahoney Dam is classified as low hazard in Missouri. It was completed in 1941 and is 85 years old. Its primary use is recreation.
Physical Details
| Dam Height | 30 ft (taller than 63.5% in MO) |
| Dam Type | Earth |
| Max Storage | 1.2K acre-ft |
| Normal Storage | 450 acre-ft |
| Surface Area | 75 acres |
| Drainage Area | 1,900 sq mi |
| Year Completed | 1941 (85 years old) |
| NID ID | MO10382 |
Safety Information
No probable loss of human life and low economic/environmental losses expected.
Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?
Ownership
UNIONVILLE,MO
Local Government
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Low Hazard 28 ftFrequently Asked Questions
What is the hazard classification of Lake Mahoney Dam?
Lake Mahoney Dam is classified as Low Hazard. No probable loss of human life and low economic/environmental losses expected. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.
Who owns and operates Lake Mahoney Dam?
Lake Mahoney Dam is owned by UNIONVILLE,MO (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Lake Mahoney Dam built?
Lake Mahoney Dam was completed in 1941, making it 85 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 Lake Mahoney Dam?
Lake Mahoney Dam serves the following purposes: Recreation, Water Supply. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Lake Mahoney Dam?
Lake Mahoney Dam has a dam height of 30 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.