Pso Southwestern Power Station No.3

LEAPER CR· Caddo, Oklahoma· Built 1957· Earth· 90 ft tall
High Hazard Other Public Utility

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 Length2,385 ft
Dam TypeEarth
Max Storage16.7K acre-ft
Normal Storage4.8K acre-ft
Surface Area575 acres
Drainage Area7 sq mi
Max Discharge33,150 cfs
Year Completed1957 (69 years old)
NID IDOK11037

Safety Information

High Hazard

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?

Emergency Action Plan: Yes
Last Inspection: October 4, 2022
State Regulated: Yes
Regulatory Agency: OWRB

Ownership

PUBLIC SERVICE COMPANY OF OKLAHOMA

Public Utility

Nearby Dams

Frequently Asked Questions

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.

Data from the National Inventory of Dams (NID) maintained by the US Army Corps of Engineers. Dam conditions may have changed since the last update. This site is not affiliated with USACE. Do not use for emergency planning — contact your local dam safety program.