Jack Murray
Key Takeaway
Jack Murray is classified as low hazard in Oklahoma. It was completed in 1930 and is 96 years old. Its primary use is other.
Physical Details
| Dam Height | 20 ft (taller than 11.5% in OK) |
| Dam Length | 350 ft |
| Dam Type | Earth |
| Max Storage | 79 acre-ft |
| Normal Storage | 67 acre-ft |
| Max Discharge | 775 cfs |
| Year Completed | 1930 (96 years old) |
| NID ID | OK21387 |
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
RONALD & BRENDA GREENTHALER
Private
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Low Hazard 24 ftFrequently Asked Questions
What is the hazard classification of Jack Murray?
Jack Murray 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 Jack Murray?
Jack Murray is owned by RONALD & BRENDA GREENTHALER (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Jack Murray built?
Jack Murray was completed in 1930, making it 96 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 Jack Murray?
Jack Murray 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 Jack Murray?
Jack Murray has a dam height of 20 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 Jack Murray last inspected?
Jack Murray was last inspected on April 21, 2010. Inspection dates indicate when a formal review occurred, not the results of that inspection.