Lake Dimmick

BETHEL CREEK· Franklin, Tennessee· Built 1971· Earth·
High Hazard Recreation Private

Key Takeaway

Lake Dimmick is classified as high hazard in Tennessee. It was completed in 1971 and is 55 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 Length810 ft
Dam TypeEarth
Max Storage2.5K acre-ft
Normal Storage1.2K acre-ft
Surface Area89 acres
Drainage Area2 sq mi
Year Completed1971 (55 years old)
NID IDTN05106

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: July 20, 2020
State Regulated: Yes
Regulatory Agency: TENNESSEE SAFE DAMS PROGRAM

Ownership

THE UNIVERSITY OF THE SOUTH

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Lake Dimmick?

Lake Dimmick 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 Lake Dimmick?

Lake Dimmick is owned by THE UNIVERSITY OF THE SOUTH (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Lake Dimmick built?

Lake Dimmick was completed in 1971, making it 55 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 Lake Dimmick?

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

When was Lake Dimmick last inspected?

Lake Dimmick was last inspected on July 20, 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.