Atoka Reservoir
Key Takeaway
Atoka Reservoir is classified as high hazard in Oklahoma. It was completed in 1957 and is 69 years old. Its primary use is water supply. High hazard means loss of life is likely if the dam fails — it does not indicate the dam's current condition. Learn more.
Physical Details
| Dam Height | 80 ft (taller than 99% in OK) |
| Dam Length | 1,190 ft |
| Dam Type | Earth |
| Max Storage | 169.5K acre-ft |
| Normal Storage | 109.0K acre-ft |
| Surface Area | 5,300 acres |
| Drainage Area | 178 sq mi |
| Max Discharge | 35,000 cfs |
| Year Completed | 1957 (69 years old) |
| NID ID | OK00092 |
Safety Information
Loss of human life is likely if the dam fails.
Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?
Ownership
OKLAHOMA CITY WATER UTILITIES TRUST
Local Government
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What is the hazard classification of Atoka Reservoir?
Atoka Reservoir is classified as High Hazard. Loss of human life is likely if the dam fails. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.
Who owns and operates Atoka Reservoir?
Atoka Reservoir is owned by OKLAHOMA CITY WATER UTILITIES TRUST (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Atoka Reservoir built?
Atoka Reservoir was completed in 1957, making it 69 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 Atoka Reservoir?
Atoka Reservoir serves the following purposes: Water Supply. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Atoka Reservoir?
Atoka Reservoir has a dam height of 80 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 Atoka Reservoir last inspected?
Atoka Reservoir was last inspected on October 5, 2022. Inspection dates indicate when a formal review occurred, not the results of that inspection.