Seven Lakes #1 Dam
Key Takeaway
Seven Lakes #1 Dam is classified as high hazard in Missouri. It was completed in 1944 and is 82 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 | 55 ft (taller than 96.3% in MO) |
| Dam Length | 1,060 ft |
| Dam Type | Earth |
| Max Storage | 1.4K acre-ft |
| Normal Storage | 1.4K acre-ft |
| Surface Area | 57 acres |
| Drainage Area | 2 sq mi |
| Max Discharge | 9,404 cfs |
| Year Completed | 1944 (82 years old) |
| Year Modified | 1997 |
| NID ID | MO30347 |
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
Private
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Low Hazard 23 ftFrequently Asked Questions
What is the hazard classification of Seven Lakes #1 Dam?
Seven Lakes #1 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 Seven Lakes #1 Dam?
Seven Lakes #1 Dam is owned by information not available (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Seven Lakes #1 Dam built?
Seven Lakes #1 Dam was completed in 1944, making it 82 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 Seven Lakes #1 Dam?
Seven Lakes #1 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 Seven Lakes #1 Dam?
Seven Lakes #1 Dam has a dam height of 55 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 Seven Lakes #1 Dam last inspected?
Seven Lakes #1 Dam was last inspected on April 19, 2022. Inspection dates indicate when a formal review occurred, not the results of that inspection.