Cool Valley Lake Dam
Key Takeaway
Cool Valley Lake Dam is classified as high hazard in Missouri. It was completed in 1972 and is 54 years old. Its primary use is flood risk reduction. 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 | 20 ft (taller than 7.1% in MO) |
| Dam Type | Earth |
| Max Storage | 407 acre-ft |
| Normal Storage | 203 acre-ft |
| Surface Area | 38 acres |
| Drainage Area | 519 sq mi |
| Year Completed | 1972 (54 years old) |
| NID ID | MO10934 |
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
RAY OETTING
Private
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High Hazard 33 ftFrequently Asked Questions
What is the hazard classification of Cool Valley Lake Dam?
Cool Valley 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 Cool Valley Lake Dam?
Cool Valley Lake Dam is owned by RAY OETTING (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Cool Valley Lake Dam built?
Cool Valley Lake Dam was completed in 1972, making it 54 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 Cool Valley Lake Dam?
Cool Valley Lake Dam serves the following purposes: Flood Risk Reduction, Other. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Cool Valley Lake Dam?
Cool Valley Lake Dam has a dam height of 20 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 Cool Valley Lake Dam last inspected?
Cool Valley Lake Dam was last inspected on June 28, 1979. Inspection dates indicate when a formal review occurred, not the results of that inspection.