Lone Rock Lake Dam
Key Takeaway
Lone Rock Lake Dam is classified as high hazard in Missouri. It was completed in 1977 and is 49 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 | 21 ft (taller than 13.3% in MO) |
| Dam Length | 700 ft |
| Dam Type | Earth |
| Max Storage | 108 acre-ft |
| Normal Storage | 83 acre-ft |
| Surface Area | 6 acres |
| Drainage Area | 190 sq mi |
| Max Discharge | 221 cfs |
| Year Completed | 1977 (49 years old) |
| NID ID | MO31467 |
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
BARKS & VOLZ
Private
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Significant Hazard 33 ftFrequently Asked Questions
What is the hazard classification of Lone Rock Lake Dam?
Lone Rock Lake 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 Lone Rock Lake Dam?
Lone Rock Lake Dam is owned by BARKS & VOLZ (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Lone Rock Lake Dam built?
Lone Rock Lake Dam was completed in 1977, making it 49 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 Lone Rock Lake Dam?
Lone Rock Lake 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 Lone Rock Lake Dam?
Lone Rock Lake Dam has a dam height of 21 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.