Arrowhead Lake Dam
Key Takeaway
Arrowhead Lake Dam is classified as high hazard in Missouri. It was completed in 1995 and is 31 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 | 38 ft (taller than 88.1% in MO) |
| Dam Length | 950 ft |
| Dam Type | Earth |
| Max Storage | 382 acre-ft |
| Normal Storage | 382 acre-ft |
| Surface Area | 42 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 1,031 cfs |
| Year Completed | 1995 (31 years old) |
| Year Modified | 1994 |
| NID ID | MO12374 |
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
ARROWHEAD LAKE EST H/0
Private
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High Hazard 30 ftFrequently Asked Questions
What is the hazard classification of Arrowhead Lake Dam?
Arrowhead 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 Arrowhead Lake Dam?
Arrowhead Lake Dam is owned by ARROWHEAD LAKE EST H/0 (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Arrowhead Lake Dam built?
Arrowhead Lake Dam was completed in 1995, making it 31 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 Arrowhead Lake Dam?
Arrowhead 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 Arrowhead Lake Dam?
Arrowhead Lake Dam has a dam height of 38 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 Arrowhead Lake Dam last inspected?
Arrowhead Lake Dam was last inspected on May 25, 2022. Inspection dates indicate when a formal review occurred, not the results of that inspection.