Castle Lake Dam

UNKNOWN· Cobb, Georgia· Built 1970· Earth· 21 ft tall
Unknown Recreation Local Government

Key Takeaway

Castle Lake Dam is classified as unknown in Georgia. It was completed in 1970 and is 56 years old. Its primary use is recreation.

Physical Details

Dam Height 21 ft (taller than 43.5% in GA)
Dam Length495 ft
Dam TypeEarth
Max Storage199 acre-ft
Normal Storage113 acre-ft
Surface Area12 acres
Year Completed1970 (56 years old)
NID IDGA01492

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: December 1, 1986
State Regulated: No

Ownership

Cobb County

Local Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Castle Lake Dam?

Castle 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 Castle Lake Dam?

Castle Lake Dam is owned by Cobb County (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Castle Lake Dam built?

Castle Lake Dam was completed in 1970, making it 56 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 Castle Lake Dam?

Castle 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 Castle Lake Dam?

Castle Lake Dam has a dam height of 21 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 Castle Lake Dam last inspected?

Castle Lake Dam was last inspected on December 1, 1986. 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.