Windy Knoll Dam
Key Takeaway
Windy Knoll Dam is classified as high hazard in Missouri. It was completed in 1969 and is 57 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 | 31 ft (taller than 73.7% in MO) |
| Dam Length | 432 ft |
| Dam Type | Earth |
| Max Storage | 83 acre-ft |
| Normal Storage | 63 acre-ft |
| Surface Area | 5 acres |
| Drainage Area | 45 sq mi |
| Year Completed | 1969 (57 years old) |
| NID ID | MO30512 |
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
WILLMARJIM COMPANY
Private
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What is the hazard classification of Windy Knoll Dam?
Windy Knoll 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 Windy Knoll Dam?
Windy Knoll Dam is owned by WILLMARJIM COMPANY (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Windy Knoll Dam built?
Windy Knoll Dam was completed in 1969, making it 57 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 Windy Knoll Dam?
Windy Knoll 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 Windy Knoll Dam?
Windy Knoll Dam has a dam height of 31 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 Windy Knoll Dam last inspected?
Windy Knoll Dam was last inspected on June 9, 1980. Inspection dates indicate when a formal review occurred, not the results of that inspection.