Lake Post Commons Dam
Key Takeaway
Lake Post Commons Dam is classified as high hazard in Missouri. It was completed in 1976 and is 50 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 | 44 ft (taller than 92% in MO) |
| Dam Length | 320 ft |
| Dam Type | Earth |
| Max Storage | 67 acre-ft |
| Normal Storage | 40 acre-ft |
| Surface Area | 4 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 862 cfs |
| Year Completed | 1976 (50 years old) |
| Year Modified | 1993 |
| NID ID | MO11278 |
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
CHETERFIELD VILLAGE POA
Private
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High Hazard 30 ftFrequently Asked Questions
What is the hazard classification of Lake Post Commons Dam?
Lake Post Commons 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 Lake Post Commons Dam?
Lake Post Commons Dam is owned by CHETERFIELD VILLAGE POA (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Lake Post Commons Dam built?
Lake Post Commons Dam was completed in 1976, making it 50 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 Post Commons Dam?
Lake Post Commons Dam serves the following purposes: Flood Risk Reduction, Recreation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Lake Post Commons Dam?
Lake Post Commons Dam has a dam height of 44 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 Lake Post Commons Dam last inspected?
Lake Post Commons Dam was last inspected on October 1, 2020. Inspection dates indicate when a formal review occurred, not the results of that inspection.