Duncan Lake

HARRIS CREEK· Madison, Tennessee· Built 1930· Earth·
Low Hazard Local Government

Key Takeaway

Duncan Lake is classified as low hazard in Tennessee. It was completed in 1930 and is 96 years old.

Physical Details

Dam Length325 ft
Dam TypeEarth
Max Storage81 acre-ft
Normal Storage68 acre-ft
Surface Area11 acres
Drainage Area0 sq mi
Year Completed1930 (96 years old)
NID IDTN11309

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
Last Inspection: March 24, 2016
State Regulated: No

Ownership

DUNCAN LAKE PARTNERSHIP

Local Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Duncan Lake?

Duncan Lake 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 Duncan Lake?

Duncan Lake is owned by DUNCAN LAKE PARTNERSHIP (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Duncan Lake built?

Duncan Lake was completed in 1930, making it 96 years old. Many U.S. dams were built between the 1930s and 1970s during a period of major infrastructure investment.

When was Duncan Lake last inspected?

Duncan Lake was last inspected on March 24, 2016. 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.