Black Tailings Dam
Key Takeaway
Black Tailings Dam is classified as high hazard in Missouri. It was completed in 1943 and is 83 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 | 70 ft (taller than 98.5% in MO) |
| Dam Length | 1,430 ft |
| Dam Type | Earth |
| Max Storage | 22 acre-ft |
| Normal Storage | 22 acre-ft |
| Surface Area | 9 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 270 cfs |
| Year Completed | 1943 (83 years old) |
| NID ID | MO31154 |
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
ROY BLACK
Private
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High Hazard 77 ftFrequently Asked Questions
What is the hazard classification of Black Tailings Dam?
Black Tailings 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 Black Tailings Dam?
Black Tailings Dam is owned by ROY BLACK (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Black Tailings Dam built?
Black Tailings Dam was completed in 1943, making it 83 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 Black Tailings Dam?
Black Tailings 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 Black Tailings Dam?
Black Tailings Dam has a dam height of 70 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 Black Tailings Dam last inspected?
Black Tailings Dam was last inspected on April 7, 2022. Inspection dates indicate when a formal review occurred, not the results of that inspection.