Big Lake Dam

ROTTEN WOOD CREEK TRI· Cobb, Georgia· Built 1936· Earth· 20 ft tall
Unknown Flood Risk Reduction Not Listed

Key Takeaway

Big Lake Dam is classified as unknown in Georgia. It was completed in 1936 and is 90 years old. Its primary use is flood risk reduction.

Physical Details

Dam Height 20 ft (taller than 40.1% in GA)
Dam Length0 ft
Dam TypeEarth
Max Storage200 acre-ft
Surface Area0 acres
Drainage Area0 sq mi
Year Completed1936 (90 years old)
NID IDGA01704

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

Unknown

Not Listed

Nearby Dams

Cindy's Lake Dam

Cobb, GA

Low Hazard 17 ft

King Vally At Vinings Lake Dam

Cobb, GA

Low Hazard 23 ft

G. B.'s Lake Dam

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Low Hazard 26 ft

Laurel Lake Dam

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Low Hazard 21 ft

Hamilton Mortgage Dam

Cobb, GA

Low Hazard 27 ft

South Cobb Partnership Lake Dam

Cobb, GA

Unknown 32 ft

Hubert Lake Dam

Cobb, GA

Unknown 27 ft

Lake Park Dam

Cobb, GA

Low Hazard 33 ft

Frequently Asked Questions

What is the hazard classification of Big Lake Dam?

Big 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 Big Lake Dam?

Big Lake Dam is owned by Unknown (Not Listed). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Big Lake Dam built?

Big Lake Dam was completed in 1936, making it 90 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 Big Lake Dam?

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

How tall is Big Lake Dam?

Big Lake Dam has a dam height of 20 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.