Coon Creek

COON CREEK· Dyer, Tennessee· Built 1978· Earth·
High Hazard State Government

Key Takeaway

Coon Creek is classified as high hazard in Tennessee. It was completed in 1978 and is 48 years old. 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 Length726 ft
Dam TypeEarth
Max Storage3.5K acre-ft
Normal Storage2.1K acre-ft
Surface Area125 acres
Drainage Area2 sq mi
Year Completed1978 (48 years old)
NID IDTN04508

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: November 9, 2020
State Regulated: Yes
Regulatory Agency: TENNESSEE SAFE DAMS PROGRAM

Ownership

WTRBA

State Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Coon Creek?

Coon Creek 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 Coon Creek?

Coon Creek is owned by WTRBA (State Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Coon Creek built?

Coon Creek was completed in 1978, making it 48 years old. Many U.S. dams were built between the 1930s and 1970s during a period of major infrastructure investment.

When was Coon Creek last inspected?

Coon Creek was last inspected on November 9, 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.