Dunn Lake Dam
Key Takeaway
Dunn Lake Dam is classified as high hazard in Missouri. It was completed in 1970 and is 56 years old. Its primary use is water supply. 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 | 38 ft (taller than 88.1% in MO) |
| Dam Length | 490 ft |
| Dam Type | Earth |
| Max Storage | 115 acre-ft |
| Normal Storage | 93 acre-ft |
| Surface Area | 11 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 200 cfs |
| Year Completed | 1970 (56 years old) |
| NID ID | MO10760 |
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
MILDRED DUNN
Private
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What is the hazard classification of Dunn Lake Dam?
Dunn 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 Dunn Lake Dam?
Dunn Lake Dam is owned by MILDRED DUNN (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Dunn Lake Dam built?
Dunn Lake Dam was completed in 1970, making it 56 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 Dunn Lake Dam?
Dunn Lake Dam serves the following purposes: Water Supply, Recreation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Dunn Lake Dam?
Dunn Lake Dam has a dam height of 38 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 Dunn Lake Dam last inspected?
Dunn Lake Dam was last inspected on November 17, 2022. Inspection dates indicate when a formal review occurred, not the results of that inspection.