Willow
Key Takeaway
Willow is classified as low hazard in Oklahoma. It was completed in 1920 and is 106 years old. Its primary use is recreation.
Physical Details
| Dam Height | 25 ft (taller than 29.9% in OK) |
| Dam Length | 380 ft |
| Dam Type | Earth |
| Max Storage | 50 acre-ft |
| Normal Storage | 21 acre-ft |
| Surface Area | 5 acres |
| Max Discharge | 80 cfs |
| Year Completed | 1920 (106 years old) |
| NID ID | OK11018 |
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
WILLOW LAKE PRESERVATION SOCIETY INC
Private
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Low Hazard 15 ftFrequently Asked Questions
What is the hazard classification of Willow?
Willow 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 Willow?
Willow is owned by WILLOW LAKE PRESERVATION SOCIETY INC (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Willow built?
Willow was completed in 1920, making it 106 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 Willow?
Willow 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 Willow?
Willow has a dam height of 25 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 Willow last inspected?
Willow was last inspected on December 20, 2010. Inspection dates indicate when a formal review occurred, not the results of that inspection.