Acorn

TRIBJONES CREEK· Dickson, Tennessee· Built 1939· Earth·
High Hazard State Government

Key Takeaway

Acorn is classified as high hazard in Tennessee. It was completed in 1939 and is 87 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 Length480 ft
Dam TypeEarth
Max Storage715 acre-ft
Normal Storage370 acre-ft
Surface Area26 acres
Drainage Area1 sq mi
Year Completed1939 (87 years old)
NID IDTN04302

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: January 19, 2020
State Regulated: Yes
Regulatory Agency: TENNESSEE SAFE DAMS PROGRAM

Ownership

TDEC

State Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Acorn?

Acorn 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 Acorn?

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

When was Acorn built?

Acorn was completed in 1939, making it 87 years old. Many U.S. dams were built between the 1930s and 1970s during a period of major infrastructure investment.

When was Acorn last inspected?

Acorn was last inspected on January 19, 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.