Thompson Lake Dam

MUD CREEK-OS· Greene, Arkansas· Built 1958· Earth· 20 ft tall
Low Hazard Recreation Private

Key Takeaway

Thompson Lake Dam is classified as low hazard in Arkansas. It was completed in 1958 and is 68 years old. Its primary use is recreation.

Physical Details

Dam Height 20 ft (taller than 23.5% in AR)
Dam Length230 ft
Dam TypeEarth
Max Storage115 acre-ft
Normal Storage63 acre-ft
Year Completed1958 (68 years old)
NID IDAR00433

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
State Regulated: No

Ownership

ED THOMPSON ESTATE

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Thompson Lake Dam?

Thompson Lake Dam 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 Lake Dam?

Thompson Lake Dam is owned by ED THOMPSON ESTATE (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Thompson Lake Dam built?

Thompson Lake Dam was completed in 1958, making it 68 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 Lake Dam?

Thompson Lake Dam serves the following purposes: Recreation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is Thompson Lake Dam?

Thompson Lake Dam has a dam height of 20 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.

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.