Marshall Lake Dam
Key Takeaway
Marshall Lake Dam is classified as high hazard in Missouri. It was completed in 1989 and is 37 years old. Its primary use is recreation. 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 | 49 ft (taller than 94.7% in MO) |
| Dam Length | 700 ft |
| Dam Type | Earth |
| Max Storage | 939 acre-ft |
| Normal Storage | 623 acre-ft |
| Surface Area | 27 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 2,262 cfs |
| Year Completed | 1989 (37 years old) |
| Year Modified | 1988 |
| NID ID | MO31889 |
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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High Hazard 34 ftFrequently Asked Questions
What is the hazard classification of Marshall Lake Dam?
Marshall 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 Marshall Lake Dam?
Marshall Lake Dam is owned by information not available (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Marshall Lake Dam built?
Marshall Lake Dam was completed in 1989, making it 37 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 Marshall Lake Dam?
Marshall Lake Dam serves the following purposes: Recreation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Marshall Lake Dam?
Marshall Lake Dam has a dam height of 49 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 Marshall Lake Dam last inspected?
Marshall Lake Dam was last inspected on February 18, 2020. Inspection dates indicate when a formal review occurred, not the results of that inspection.