Shawver John
Key Takeaway
Shawver John is classified as low hazard in Oklahoma. It was completed in 1965 and is 61 years old. Its primary use is recreation.
Physical Details
| Dam Height | 26 ft (taller than 38.9% in OK) |
| Dam Length | 475 ft |
| Dam Type | Earth |
| Max Storage | 130 acre-ft |
| Normal Storage | 50 acre-ft |
| Surface Area | 4 acres |
| Max Discharge | 2,480 cfs |
| Year Completed | 1965 (61 years old) |
| NID ID | OK13242 |
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
JOYCE SHAWVER
Private
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Low Hazard 30 ftFrequently Asked Questions
What is the hazard classification of Shawver John?
Shawver John 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 Shawver John?
Shawver John is owned by JOYCE SHAWVER (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Shawver John built?
Shawver John was completed in 1965, making it 61 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 Shawver John?
Shawver John 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 Shawver John?
Shawver John has a dam height of 26 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 Shawver John last inspected?
Shawver John was last inspected on July 16, 2009. Inspection dates indicate when a formal review occurred, not the results of that inspection.