Thompson Mg

TR-BROWNS CREEK· Okmulgee, Oklahoma· Built 1960· Earth· 31 ft tall
Low Hazard Other Private

Key Takeaway

Thompson Mg is classified as low hazard in Oklahoma. It was completed in 1960 and is 66 years old. Its primary use is other.

Physical Details

Dam Height 31 ft (taller than 63% in OK)
Dam Length530 ft
Dam TypeEarth
Max Storage120 acre-ft
Normal Storage60 acre-ft
Surface Area2 acres
Max Discharge510 cfs
Year Completed1960 (66 years old)
NID IDOK12286

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: August 17, 2011
State Regulated: Yes
Regulatory Agency: OWRB

Ownership

BLUESTEM VALLEY RANCH LTD C/O D GALLEMORE

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Thompson Mg?

Thompson Mg 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 Thompson Mg?

Thompson Mg is owned by BLUESTEM VALLEY RANCH LTD C/O D GALLEMORE (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Thompson Mg built?

Thompson Mg was completed in 1960, making it 66 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 Thompson Mg?

Thompson Mg 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 Thompson Mg?

Thompson Mg has a dam height of 31 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 Thompson Mg last inspected?

Thompson Mg was last inspected on August 17, 2011. 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.