Pso Southwestern Power Station No.3
Key Takeaway
Pso Southwestern Power Station No.3 is classified as high hazard in Oklahoma. It was completed in 1957 and is 69 years old. Its primary use is other. 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 | 90 ft (taller than 99.3% in OK) |
| Dam Length | 2,385 ft |
| Dam Type | Earth |
| Max Storage | 16.7K acre-ft |
| Normal Storage | 4.8K acre-ft |
| Surface Area | 575 acres |
| Drainage Area | 7 sq mi |
| Max Discharge | 33,150 cfs |
| Year Completed | 1957 (69 years old) |
| NID ID | OK11037 |
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
PUBLIC SERVICE COMPANY OF OKLAHOMA
Public Utility
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What is the hazard classification of Pso Southwestern Power Station No.3?
Pso Southwestern Power Station No.3 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 Pso Southwestern Power Station No.3?
Pso Southwestern Power Station No.3 is owned by PUBLIC SERVICE COMPANY OF OKLAHOMA (Public Utility). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Pso Southwestern Power Station No.3 built?
Pso Southwestern Power Station No.3 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 Pso Southwestern Power Station No.3?
Pso Southwestern Power Station No.3 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 Pso Southwestern Power Station No.3?
Pso Southwestern Power Station No.3 has a dam height of 90 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 Pso Southwestern Power Station No.3 last inspected?
Pso Southwestern Power Station No.3 was last inspected on October 4, 2022. Inspection dates indicate when a formal review occurred, not the results of that inspection.