Cardinal Lake Dam

KNOX BRANCH· Gwinnett, Georgia· Built 1959· Earth· 27 ft tall
High Hazard Recreation Private

Key Takeaway

Cardinal Lake Dam is classified as high hazard in Georgia. It was completed in 1959 and is 67 years old. Its primary use is recreation. High hazard means loss of life is likely if the dam fails — it does not indicate the dam's current condition. Learn more.

Physical Details

Dam Height 27 ft (taller than 65.9% in GA)
Dam Length435 ft
Dam TypeEarth
Max Storage380 acre-ft
Surface Area34 acres
Drainage Area0 sq mi
Year Completed1959 (67 years old)
NID IDGA00581

Safety Information

High Hazard

Loss of human life is likely if the dam fails.

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

Emergency Action Plan: No
Last Inspection: June 1, 2016
State Regulated: No

Ownership

Cardinal Lake Civic Association

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Cardinal Lake Dam?

Cardinal Lake Dam is classified as High Hazard. Loss of human life is likely if the dam fails. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.

Who owns and operates Cardinal Lake Dam?

Cardinal Lake Dam is owned by Cardinal Lake Civic Association (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Cardinal Lake Dam built?

Cardinal Lake Dam was completed in 1959, making it 67 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 Cardinal Lake Dam?

Cardinal 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 Cardinal Lake Dam?

Cardinal Lake Dam has a dam height of 27 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 Cardinal Lake Dam last inspected?

Cardinal Lake Dam was last inspected on June 1, 2016. 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.