Arrowhead Lake Upper Dam
Key Takeaway
Arrowhead Lake Upper Dam is classified as low hazard in Missouri. It was completed in 1973 and is 53 years old. Its primary use is recreation.
Physical Details
| Dam Height | 24 ft (taller than 20.3% in MO) |
| Dam Length | 650 ft |
| Dam Type | Earth |
| Max Storage | 84 acre-ft |
| Normal Storage | 66 acre-ft |
| Surface Area | 3 acres |
| Drainage Area | 128 sq mi |
| Max Discharge | 280 cfs |
| Year Completed | 1973 (53 years old) |
| NID ID | MO31728 |
Safety Information
No probable loss of human life and low economic/environmental losses expected.
Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?
Ownership
VANCE HARPER
Private
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High Hazard 33 ftFrequently Asked Questions
What is the hazard classification of Arrowhead Lake Upper Dam?
Arrowhead Lake Upper Dam is classified as Low Hazard. No probable loss of human life and low economic/environmental losses expected. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.
Who owns and operates Arrowhead Lake Upper Dam?
Arrowhead Lake Upper Dam is owned by VANCE HARPER (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Arrowhead Lake Upper Dam built?
Arrowhead Lake Upper Dam was completed in 1973, making it 53 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 Upper Dam?
Arrowhead Lake Upper 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 Upper Dam?
Arrowhead Lake Upper Dam has a dam height of 24 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.