George W. Andrews Lock and Dam

CHATTAHOOCHEE RIVER· Early, Alabama· Built 1963· Gravity·
Significant Hazard Navigation Recreation Federal Government

Key Takeaway

George W. Andrews Lock and Dam is classified as significant hazard in Alabama. It was completed in 1963 and is 63 years old. Its primary use is navigation. Significant hazard means failure could cause economic or environmental damage. Learn more.

Physical Details

Dam Length775 ft
Dam TypeGravity
Max Storage18.2K acre-ft
Normal Storage18.2K acre-ft
Surface Area1,540 acres
Drainage Area8,210 sq mi
Max Discharge44,600 cfs
Year Completed1963 (63 years old)
NID IDAL01433

Safety Information

Significant Hazard

No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities.

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

Emergency Action Plan: Yes
Last Inspection: May 19, 2020
State Regulated: No

Ownership

USACE - Mobile District

Federal Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of George W. Andrews Lock and Dam?

George W. Andrews Lock and Dam is classified as Significant Hazard. No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.

Who owns and operates George W. Andrews Lock and Dam?

George W. Andrews Lock and Dam is owned by USACE - Mobile District (Federal Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was George W. Andrews Lock and Dam built?

George W. Andrews Lock and Dam was completed in 1963, making it 63 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 George W. Andrews Lock and Dam?

George W. Andrews Lock and Dam serves the following purposes: Navigation, Recreation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

When was George W. Andrews Lock and Dam last inspected?

George W. Andrews Lock and Dam was last inspected on May 19, 2020. 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.