Mar-Kay Lake Dam
Key Takeaway
Mar-Kay Lake Dam is classified as high hazard in Missouri. It was completed in 1970 and is 56 years old. Its primary use is irrigation. 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 | 20 ft (taller than 7.1% in MO) |
| Dam Type | Earth |
| Max Storage | 86 acre-ft |
| Normal Storage | 40 acre-ft |
| Surface Area | 8 acres |
| Drainage Area | 110 sq mi |
| Year Completed | 1970 (56 years old) |
| NID ID | MO30302 |
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
RAYMOND LAHMEYER
Private
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High Hazard 24 ftFrequently Asked Questions
What is the hazard classification of Mar-Kay Lake Dam?
Mar-Kay 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 Mar-Kay Lake Dam?
Mar-Kay Lake Dam is owned by RAYMOND LAHMEYER (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Mar-Kay Lake Dam built?
Mar-Kay Lake Dam was completed in 1970, making it 56 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 Mar-Kay Lake Dam?
Mar-Kay Lake Dam serves the following purposes: Irrigation, Recreation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Mar-Kay Lake Dam?
Mar-Kay Lake Dam has a dam height of 20 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.