Marchman Lake Dam

Unknown· Clayton, Georgia· Built 1958· Earth· 22 ft tall
Low Hazard Recreation Local Government

Key Takeaway

Marchman Lake Dam is classified as low hazard in Georgia. It was completed in 1958 and is 68 years old. Its primary use is recreation.

Physical Details

Dam Height 22 ft (taller than 47% in GA)
Dam Length600 ft
Dam TypeEarth
Max Storage222 acre-ft
Normal Storage144 acre-ft
Surface Area12 acres
Drainage Area180 sq mi
Year Completed1958 (68 years old)
NID IDGA07209

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
State Regulated: No

Ownership

Development Authority of The City of Forest Park

Local Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Marchman Lake Dam?

Marchman Lake Dam 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 Marchman Lake Dam?

Marchman Lake Dam is owned by Development Authority of The City of Forest Park (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Marchman Lake Dam built?

Marchman Lake Dam was completed in 1958, making it 68 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 Marchman Lake Dam?

Marchman 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 Marchman Lake Dam?

Marchman Lake Dam has a dam height of 22 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.