Pinson Gravel Company Dam
Key Takeaway
Pinson Gravel Company 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 | 79 ft (taller than 99% in MO) |
| Dam Length | 3,234 ft |
| Dam Type | Other |
| Max Storage | 875 acre-ft |
| Normal Storage | 760 acre-ft |
| Surface Area | 3 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 5,636 cfs |
| Year Completed | 1973 (53 years old) |
| Year Modified | 1987 |
| NID ID | MO31155 |
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
SONNY'S LLC
Private
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High Hazard 61 ftFrequently Asked Questions
What is the hazard classification of Pinson Gravel Company Dam?
Pinson Gravel Company 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 Pinson Gravel Company Dam?
Pinson Gravel Company Dam is owned by SONNY'S LLC (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Pinson Gravel Company Dam built?
Pinson Gravel Company 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 Pinson Gravel Company Dam?
Pinson Gravel Company 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 Pinson Gravel Company Dam?
Pinson Gravel Company Dam has a dam height of 79 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 Pinson Gravel Company Dam last inspected?
Pinson Gravel Company Dam was last inspected on December 1, 2022. Inspection dates indicate when a formal review occurred, not the results of that inspection.