Walnut Hollow Lake Dam
Key Takeaway
Walnut Hollow Lake Dam is classified as high hazard in Missouri. It was completed in 1975 and is 51 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 | 32 ft (taller than 76.3% in MO) |
| Dam Type | Earth |
| Max Storage | 120 acre-ft |
| Normal Storage | 74 acre-ft |
| Surface Area | 7 acres |
| Drainage Area | 35 sq mi |
| Year Completed | 1975 (51 years old) |
| NID ID | MO30619 |
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
LARRY TROWBRIDGE
Private
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What is the hazard classification of Walnut Hollow Lake Dam?
Walnut Hollow 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 Walnut Hollow Lake Dam?
Walnut Hollow Lake Dam is owned by LARRY TROWBRIDGE (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Walnut Hollow Lake Dam built?
Walnut Hollow Lake Dam was completed in 1975, making it 51 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 Walnut Hollow Lake Dam?
Walnut Hollow 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 Walnut Hollow Lake Dam?
Walnut Hollow Lake Dam has a dam height of 32 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 Walnut Hollow Lake Dam last inspected?
Walnut Hollow Lake Dam was last inspected on November 11, 1980. Inspection dates indicate when a formal review occurred, not the results of that inspection.