Duncan Lake Dam

UNKNOWN· Cobb, Georgia· Built 1952· Earth· 25 ft tall

Key Takeaway

Duncan Lake Dam is classified as unknown in Georgia. It was completed in 1952 and is 74 years old. Its primary use is fire protection.

Physical Details

Dam Height 25 ft (taller than 58.1% in GA)
Dam Length1,120 ft
Dam TypeEarth
Max Storage115 acre-ft
Normal Storage88 acre-ft
Surface Area8 acres
Year Completed1952 (74 years old)
NID IDGA02289

Safety Information

Unknown

Hazard potential has not been determined.

Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?

Emergency Action Plan: No
Last Inspection: April 1, 1989
State Regulated: No

Ownership

Duncan, Helen C.

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Duncan Lake Dam?

Duncan Lake Dam is classified as Unknown. Hazard potential has not been determined. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.

Who owns and operates Duncan Lake Dam?

Duncan Lake Dam is owned by Duncan, Helen C. (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Duncan Lake Dam built?

Duncan Lake Dam was completed in 1952, making it 74 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 Duncan Lake Dam?

Duncan Lake Dam serves the following purposes: Fire Protection, Stock, Or Small Fish Pond. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is Duncan Lake Dam?

Duncan Lake Dam has a dam height of 25 ft. Dam height is measured from the natural streambed at the downstream toe to the top of the dam, and may differ from the visible height.

When was Duncan Lake Dam last inspected?

Duncan Lake Dam was last inspected on April 1, 1989. 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.