Rainbow Lake Dam
Key Takeaway
Rainbow Lake Dam is classified as high hazard in Missouri. It was completed in 1954 and is 72 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 | 53 acre-ft |
| Surface Area | 8 acres |
| Drainage Area | 160 sq mi |
| Year Completed | 1954 (72 years old) |
| NID ID | MO30544 |
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
CATHERINE STRAATMANN
Private
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High Hazard 36 ftFrequently Asked Questions
What is the hazard classification of Rainbow Lake Dam?
Rainbow 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 Rainbow Lake Dam?
Rainbow Lake Dam is owned by CATHERINE STRAATMANN (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Rainbow Lake Dam built?
Rainbow Lake Dam was completed in 1954, making it 72 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 Rainbow Lake Dam?
Rainbow 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 Rainbow Lake Dam?
Rainbow 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 Rainbow Lake Dam last inspected?
Rainbow Lake Dam was last inspected on August 28, 1980. Inspection dates indicate when a formal review occurred, not the results of that inspection.