Winnetonka Lake Dam (Removed)
Key Takeaway
Winnetonka Lake Dam (Removed) is classified as high hazard in Missouri. It was completed in 1913 and is 113 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 | 20 ft (taller than 7.1% in MO) |
| Dam Type | Earth |
| Max Storage | 107 acre-ft |
| Normal Storage | 67 acre-ft |
| Surface Area | 10 acres |
| Drainage Area | 451 sq mi |
| Year Completed | 1913 (113 years old) |
| NID ID | MO11011 |
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
DAVID JOHNSON
Private
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Low Hazard 24 ftFrequently Asked Questions
What is the hazard classification of Winnetonka Lake Dam (Removed)?
Winnetonka Lake Dam (Removed) 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 Winnetonka Lake Dam (Removed)?
Winnetonka Lake Dam (Removed) is owned by DAVID JOHNSON (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Winnetonka Lake Dam (Removed) built?
Winnetonka Lake Dam (Removed) was completed in 1913, making it 113 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 Winnetonka Lake Dam (Removed)?
Winnetonka Lake Dam (Removed) 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 Winnetonka Lake Dam (Removed)?
Winnetonka Lake Dam (Removed) 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 Winnetonka Lake Dam (Removed) last inspected?
Winnetonka Lake Dam (Removed) was last inspected on April 10, 1979. Inspection dates indicate when a formal review occurred, not the results of that inspection.