Wallace Lake Dam
Key Takeaway
Wallace Lake Dam is classified as high hazard in Louisiana. It was completed in 1946 and is 80 years old. Its primary use is flood risk reduction. 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 Length | 4,930 ft |
| Dam Type | Earth |
| Max Storage | 267.7K acre-ft |
| Normal Storage | 7.8K acre-ft |
| Surface Area | 2,300 acres |
| Drainage Area | 260 sq mi |
| Max Discharge | 112,700 cfs |
| Year Completed | 1946 (80 years old) |
| NID ID | LA00180 |
Safety Information
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?
Ownership
USACE - Vicksburg District
Federal Government
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What is the hazard classification of Wallace Lake Dam?
Wallace 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 Wallace Lake Dam?
Wallace Lake Dam is owned by USACE - Vicksburg District (Federal Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Wallace Lake Dam built?
Wallace Lake Dam was completed in 1946, making it 80 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 Wallace Lake Dam?
Wallace Lake Dam serves the following purposes: Flood Risk Reduction, Recreation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
When was Wallace Lake Dam last inspected?
Wallace Lake Dam was last inspected on July 30, 2021. Inspection dates indicate when a formal review occurred, not the results of that inspection.