Macon Lake Dam
Key Takeaway
Macon Lake Dam is classified as high hazard in Missouri. It was completed in 1927 and is 99 years old. Its primary use is water supply. 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 | 42 ft (taller than 91% in MO) |
| Dam Length | 1,200 ft |
| Dam Type | Earth |
| Max Storage | 2.3K acre-ft |
| Normal Storage | 2.3K acre-ft |
| Surface Area | 205 acres |
| Drainage Area | 6 sq mi |
| Max Discharge | 6,350 cfs |
| Year Completed | 1927 (99 years old) |
| Year Modified | 1997 |
| NID ID | MO10153 |
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
CITY OF MACON
Local Government
Nearby Dams
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Low Hazard 25 ftFrequently Asked Questions
What is the hazard classification of Macon Lake Dam?
Macon 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 Macon Lake Dam?
Macon Lake Dam is owned by CITY OF MACON (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Macon Lake Dam built?
Macon Lake Dam was completed in 1927, making it 99 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 Macon Lake Dam?
Macon Lake Dam serves the following purposes: Water Supply, Recreation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Macon Lake Dam?
Macon Lake Dam has a dam height of 42 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 Macon Lake Dam last inspected?
Macon Lake Dam was last inspected on September 17, 2020. Inspection dates indicate when a formal review occurred, not the results of that inspection.