Junior Lake Dam
Key Takeaway
Junior Lake Dam is classified as high hazard in Missouri. It was completed in 1960 and is 66 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 | 13 ft (taller than 1.2% in MO) |
| Dam Type | Earth |
| Max Storage | 125 acre-ft |
| Normal Storage | 42 acre-ft |
| Surface Area | 18 acres |
| Drainage Area | 1,900 sq mi |
| Year Completed | 1960 (66 years old) |
| NID ID | MO11526 |
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
WILLIAM WOODS COLLEGE
Private
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Low Hazard 15 ftFrequently Asked Questions
What is the hazard classification of Junior Lake Dam?
Junior 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 Junior Lake Dam?
Junior Lake Dam is owned by WILLIAM WOODS COLLEGE (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Junior Lake Dam built?
Junior Lake Dam was completed in 1960, making it 66 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 Junior Lake Dam?
Junior 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 Junior Lake Dam?
Junior Lake Dam has a dam height of 13 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 Junior Lake Dam last inspected?
Junior Lake Dam was last inspected on October 6, 1980. Inspection dates indicate when a formal review occurred, not the results of that inspection.