Lake Arrowhead Dam
Key Takeaway
Lake Arrowhead Dam is classified as high hazard in Missouri. It was completed in 1975 and is 51 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 | 51 ft (taller than 95.4% in MO) |
| Dam Length | 890 ft |
| Dam Type | Earth |
| Max Storage | 3.2K acre-ft |
| Normal Storage | 2.8K acre-ft |
| Surface Area | 87 acres |
| Drainage Area | 8 sq mi |
| Max Discharge | 16,116 cfs |
| Year Completed | 1975 (51 years old) |
| Year Modified | 1987 |
| NID ID | MO11016 |
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
LAKE ARROWHEAD POA
Private
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Low Hazard 20 ftFrequently Asked Questions
What is the hazard classification of Lake Arrowhead Dam?
Lake Arrowhead 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 Lake Arrowhead Dam?
Lake Arrowhead Dam is owned by LAKE ARROWHEAD POA (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Lake Arrowhead Dam built?
Lake Arrowhead Dam was completed in 1975, making it 51 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 Lake Arrowhead Dam?
Lake Arrowhead 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 Lake Arrowhead Dam?
Lake Arrowhead Dam has a dam height of 51 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 Lake Arrowhead Dam last inspected?
Lake Arrowhead Dam was last inspected on January 18, 2023. Inspection dates indicate when a formal review occurred, not the results of that inspection.