Johnson Don
Key Takeaway
Johnson Don is classified as low hazard in Oklahoma. It was completed in 1965 and is 61 years old. Its primary use is other.
Physical Details
| Dam Height | 24 ft (taller than 26.9% in OK) |
| Dam Length | 660 ft |
| Dam Type | Earth |
| Max Storage | 100 acre-ft |
| Normal Storage | 50 acre-ft |
| Surface Area | 7 acres |
| Max Discharge | 3,800 cfs |
| Year Completed | 1965 (61 years old) |
| NID ID | OK20688 |
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
DON JOHNSON
Private
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Low Hazard 35 ftFrequently Asked Questions
What is the hazard classification of Johnson Don?
Johnson Don 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 Johnson Don?
Johnson Don is owned by DON JOHNSON (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Johnson Don built?
Johnson Don 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 Johnson Don?
Johnson Don serves the following purposes: Other. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Johnson Don?
Johnson Don 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.
When was Johnson Don last inspected?
Johnson Don was last inspected on January 19, 2010. Inspection dates indicate when a formal review occurred, not the results of that inspection.