Sooner

GREASY CR· Pawnee, Oklahoma· Built 1972· Earth· 100 ft tall
Significant Hazard Other Public Utility

Key Takeaway

Sooner is classified as significant hazard in Oklahoma. It was completed in 1972 and is 54 years old. Its primary use is other. Significant hazard means failure could cause economic or environmental damage. Learn more.

Physical Details

Dam Height 100 ft (taller than 99.5% in OK)
Dam Length4,500 ft
Dam TypeEarth
Max Storage350.0K acre-ft
Normal Storage149.0K acre-ft
Surface Area5,400 acres
Drainage Area29 sq mi
Max Discharge4,000 cfs
Year Completed1972 (54 years old)
NID IDOK11103

Safety Information

Significant Hazard

No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities.

Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?

Emergency Action Plan: No
Last Inspection: October 21, 2021
State Regulated: Yes
Regulatory Agency: OWRB

Ownership

OG&E

Public Utility

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Sooner?

Sooner is classified as Significant Hazard. No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.

Who owns and operates Sooner?

Sooner is owned by OG&E (Public Utility). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Sooner built?

Sooner was completed in 1972, making it 54 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 Sooner?

Sooner 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 Sooner?

Sooner has a dam height of 100 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 Sooner last inspected?

Sooner was last inspected on October 21, 2021. 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.