Yahola
Key Takeaway
Yahola is classified as high hazard in Oklahoma. It was completed in 1948 and is 78 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 | 35 ft (taller than 72.5% in OK) |
| Dam Length | 17,500 ft |
| Dam Type | Earth |
| Max Storage | 7.5K acre-ft |
| Normal Storage | 6.4K acre-ft |
| Surface Area | 431 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 200 cfs |
| Year Completed | 1948 (78 years old) |
| NID ID | OK11023 |
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
CITY OF TULSA
Local Government
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Significant Hazard 27 ftFrequently Asked Questions
What is the hazard classification of Yahola?
Yahola 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 Yahola?
Yahola is owned by CITY OF TULSA (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Yahola built?
Yahola was completed in 1948, making it 78 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 Yahola?
Yahola 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 Yahola?
Yahola has a dam height of 35 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 Yahola last inspected?
Yahola was last inspected on February 11, 2022. Inspection dates indicate when a formal review occurred, not the results of that inspection.