Howell Mine Dam
Key Takeaway
Howell Mine Dam is classified as high hazard in Missouri. It was completed in 1954 and is 72 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 | 58 ft (taller than 97% in MO) |
| Dam Length | 1,000 ft |
| Dam Type | Earth |
| Max Storage | 1.5K acre-ft |
| Normal Storage | 1.5K acre-ft |
| Surface Area | 71 acres |
| Drainage Area | 2 sq mi |
| Max Discharge | 5,800 cfs |
| Year Completed | 1954 (72 years old) |
| Year Modified | 1990 |
| NID ID | MO30700 |
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
BAKER-HUGHES-INTEC
Private
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High Hazard 112 ftFrequently Asked Questions
What is the hazard classification of Howell Mine Dam?
Howell Mine 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 Howell Mine Dam?
Howell Mine Dam is owned by BAKER-HUGHES-INTEC (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Howell Mine Dam built?
Howell Mine Dam was completed in 1954, making it 72 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 Howell Mine Dam?
Howell Mine Dam serves the following purposes: Recreation, Tailings. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Howell Mine Dam?
Howell Mine Dam has a dam height of 58 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 Howell Mine Dam last inspected?
Howell Mine Dam was last inspected on May 26, 2021. Inspection dates indicate when a formal review occurred, not the results of that inspection.