Joe Machs Lake Dam
Key Takeaway
Joe Machs Lake Dam is classified as high hazard in Missouri. It was completed in 1996 and is 30 years old. 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 | 56 ft (taller than 96.6% in MO) |
| Dam Length | 460 ft |
| Dam Type | Earth |
| Max Storage | 1.3K acre-ft |
| Normal Storage | 377 acre-ft |
| Surface Area | 22 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 955 cfs |
| Year Completed | 1996 (30 years old) |
| Year Modified | 1999 |
| NID ID | MO32028 |
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
Private
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Low Hazard 30 ftFrequently Asked Questions
What is the hazard classification of Joe Machs Lake Dam?
Joe Machs 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 Joe Machs Lake Dam?
Joe Machs Lake Dam is owned by information not available (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Joe Machs Lake Dam built?
Joe Machs Lake Dam was completed in 1996, making it 30 years old. Many U.S. dams were built between the 1930s and 1970s during a period of major infrastructure investment.
How tall is Joe Machs Lake Dam?
Joe Machs Lake Dam has a dam height of 56 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 Joe Machs Lake Dam last inspected?
Joe Machs Lake Dam was last inspected on April 5, 2022. Inspection dates indicate when a formal review occurred, not the results of that inspection.