George W. Andrews Lock and Dam
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 Length | 775 ft |
| Dam Type | Gravity |
| Max Storage | 18.2K acre-ft |
| Normal Storage | 18.2K acre-ft |
| Surface Area | 1,540 acres |
| Drainage Area | 8,210 sq mi |
| Max Discharge | 44,600 cfs |
| Year Completed | 1963 (63 years old) |
| NID ID | AL01433 |
Safety Information
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?
Ownership
USACE - Mobile District
Federal Government
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Low Hazard 37 ftFrequently 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.