Southmark Lake Dam

UNKNOWN· Dawson, Georgia· Built 1940· Earth· 46 ft tall
Unknown Recreation Private

Key Takeaway

Southmark Lake Dam is classified as unknown in Georgia. It was completed in 1940 and is 86 years old. Its primary use is recreation.

Physical Details

Dam Height 46 ft (taller than 94.9% in GA)
Dam Length267 ft
Dam TypeEarth
Max Storage325 acre-ft
Normal Storage251 acre-ft
Surface Area15 acres
Drainage Area630 sq mi
Year Completed1940 (86 years old)
Year Modified1984
NID IDGA04204

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
State Regulated: No

Ownership

Wimberly, Michael & Suzanne

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Southmark Lake Dam?

Southmark 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 Southmark Lake Dam?

Southmark Lake Dam is owned by Wimberly, Michael & Suzanne (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Southmark Lake Dam built?

Southmark Lake Dam was completed in 1940, making it 86 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 Southmark Lake Dam?

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

How tall is Southmark Lake Dam?

Southmark Lake Dam has a dam height of 46 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.

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.