Mine Lamotte Dam
Key Takeaway
Mine Lamotte Dam is classified as high hazard in Missouri. It was completed in 1870 and is 156 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 | 27 ft (taller than 49% in MO) |
| Dam Type | Earth |
| Max Storage | 260 acre-ft |
| Normal Storage | 72 acre-ft |
| Surface Area | 18 acres |
| Drainage Area | 575 sq mi |
| Year Completed | 1870 (156 years old) |
| NID ID | MO30289 |
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
BOB HENKE
Private
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High Hazard 57 ftFrequently Asked Questions
What is the hazard classification of Mine Lamotte Dam?
Mine Lamotte 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 Mine Lamotte Dam?
Mine Lamotte Dam is owned by BOB HENKE (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Mine Lamotte Dam built?
Mine Lamotte Dam was completed in 1870, making it 156 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 Mine Lamotte Dam?
Mine Lamotte 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 Mine Lamotte Dam?
Mine Lamotte Dam has a dam height of 27 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 Mine Lamotte Dam last inspected?
Mine Lamotte Dam was last inspected on September 6, 1979. Inspection dates indicate when a formal review occurred, not the results of that inspection.