Allison Lake
Key Takeaway
Allison Lake is classified as low hazard in Oklahoma. It was completed in 1965 and is 61 years old. Its primary use is irrigation.
Physical Details
| Dam Height | 33 ft (taller than 68.1% in OK) |
| Dam Length | 525 ft |
| Dam Type | Earth |
| Max Storage | 250 acre-ft |
| Normal Storage | 212 acre-ft |
| Surface Area | 8 acres |
| Max Discharge | 3,293 cfs |
| Year Completed | 1965 (61 years old) |
| NID ID | OK00010 |
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
MARIE ALLISON
Private
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Low Hazard 27 ftFrequently Asked Questions
What is the hazard classification of Allison Lake?
Allison Lake 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 Allison Lake?
Allison Lake is owned by MARIE ALLISON (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Allison Lake built?
Allison Lake 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 Allison Lake?
Allison Lake serves the following purposes: Irrigation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Allison Lake?
Allison Lake has a dam height of 33 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 Allison Lake last inspected?
Allison Lake was last inspected on November 30, 2010. Inspection dates indicate when a formal review occurred, not the results of that inspection.