Lake Marie Dam
Key Takeaway
Lake Marie Dam is classified as high hazard in Missouri. It was completed in 1981 and is 45 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 | 50 ft (taller than 95% in MO) |
| Dam Length | 1,100 ft |
| Dam Type | Earth |
| Max Storage | 970 acre-ft |
| Normal Storage | 882 acre-ft |
| Surface Area | 30 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 3,512 cfs |
| Year Completed | 1981 (45 years old) |
| Year Modified | 1994 |
| NID ID | MO10154 |
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
LAKE MARIE HOA
Private
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Low Hazard 25 ftFrequently Asked Questions
What is the hazard classification of Lake Marie Dam?
Lake Marie 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 Marie Dam?
Lake Marie Dam is owned by LAKE MARIE HOA (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Lake Marie Dam built?
Lake Marie Dam was completed in 1981, making it 45 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 Marie Dam?
Lake Marie 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 Lake Marie Dam?
Lake Marie Dam has a dam height of 50 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 Marie Dam last inspected?
Lake Marie Dam was last inspected on March 8, 2022. Inspection dates indicate when a formal review occurred, not the results of that inspection.