Sun Mine Dam
Key Takeaway
Sun Mine Dam is classified as high hazard in Missouri. It was completed in 1973 and is 53 years old. Its primary use is tailings. 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 | 56 ft (taller than 96.6% in MO) |
| Dam Length | 3,300 ft |
| Dam Type | Other |
| Max Storage | 2.1K acre-ft |
| Normal Storage | 135 acre-ft |
| Surface Area | 80 acres |
| Drainage Area | 2 sq mi |
| Max Discharge | 414 cfs |
| Year Completed | 1973 (53 years old) |
| NID ID | MO30710 |
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
TIM SMITH
Private
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High Hazard 20 ftFrequently Asked Questions
What is the hazard classification of Sun Mine Dam?
Sun 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 Sun Mine Dam?
Sun Mine Dam is owned by TIM SMITH (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Sun Mine Dam built?
Sun Mine Dam was completed in 1973, making it 53 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 Sun Mine Dam?
Sun Mine Dam serves the following purposes: Tailings. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Sun Mine Dam?
Sun Mine Dam has a dam height of 56 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 Sun Mine Dam last inspected?
Sun Mine Dam was last inspected on June 18, 2020. Inspection dates indicate when a formal review occurred, not the results of that inspection.