Atwood Lake Dam
Key Takeaway
Atwood Lake Dam is classified as high hazard in Missouri. It was completed in 1969 and is 57 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 | 27 ft (taller than 49% in MO) |
| Dam Type | Earth |
| Max Storage | 116 acre-ft |
| Normal Storage | 43 acre-ft |
| Surface Area | 8 acres |
| Drainage Area | 90 sq mi |
| Year Completed | 1969 (57 years old) |
| NID ID | MO31171 |
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
GIRL SCOUTS OF AMERICA
Private
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Significant Hazard 43 ftFrequently Asked Questions
What is the hazard classification of Atwood Lake Dam?
Atwood 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 Atwood Lake Dam?
Atwood Lake Dam is owned by GIRL SCOUTS OF AMERICA (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Atwood Lake Dam built?
Atwood Lake Dam was completed in 1969, making it 57 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 Atwood Lake Dam?
Atwood 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 Atwood Lake Dam?
Atwood Lake Dam has a dam height of 27 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 Atwood Lake Dam last inspected?
Atwood Lake Dam was last inspected on October 8, 1980. Inspection dates indicate when a formal review occurred, not the results of that inspection.