Coburn

TR-ARKANSAS RIV· Muskogee, Oklahoma· Built 1940· Earth· 15 ft tall
Low Hazard Other Private

Key Takeaway

Coburn is classified as low hazard in Oklahoma. It was completed in 1940 and is 86 years old. Its primary use is other.

Physical Details

Dam Height 15 ft (taller than 1% in OK)
Dam Length500 ft
Dam TypeEarth
Max Storage50 acre-ft
Normal Storage33 acre-ft
Surface Area8 acres
Max Discharge90 cfs
Year Completed1940 (86 years old)
NID IDOK20968

Safety Information

Low Hazard

No probable loss of human life and low economic/environmental losses expected.

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

Emergency Action Plan: No
Last Inspection: March 2, 2004
State Regulated: Yes
Regulatory Agency: OWRB

Ownership

MICHAEL & LOAINE MCWILLIAMS

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Coburn?

Coburn is classified as Low Hazard. No probable loss of human life and low economic/environmental losses expected. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.

Who owns and operates Coburn?

Coburn is owned by MICHAEL & LOAINE MCWILLIAMS (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Coburn built?

Coburn was completed in 1940, making it 86 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 Coburn?

Coburn 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 Coburn?

Coburn has a dam height of 15 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 Coburn last inspected?

Coburn was last inspected on March 2, 2004. 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.