Gibson County Lake

TRIBNO. FORK FORKED DEER· Gibson, Tennessee· Built 1999· Earth·
High Hazard Recreation Flood Risk Reduction Local Government

Key Takeaway

Gibson County Lake is classified as high hazard in Tennessee. It was completed in 1999 and is 27 years old. Its primary use is recreation. 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 Length4,150 ft
Dam TypeEarth
Max Storage12.7K acre-ft
Normal Storage7.3K acre-ft
Surface Area565 acres
Drainage Area5 sq mi
Year Completed1999 (27 years old)
NID IDTN05342

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 7, 2020
State Regulated: Yes
Regulatory Agency: TENNESSEE SAFE DAMS PROGRAM

Ownership

TWRA

Local Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Gibson County Lake?

Gibson County Lake 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 Gibson County Lake?

Gibson County Lake is owned by TWRA (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Gibson County Lake built?

Gibson County Lake was completed in 1999, making it 27 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 Gibson County Lake?

Gibson County Lake serves the following purposes: Recreation, Flood Risk Reduction. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

When was Gibson County Lake last inspected?

Gibson County Lake was last inspected on October 7, 2020. 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.