Pearl River Lock 1 and Spillway
Key Takeaway
Pearl River Lock 1 and Spillway is classified as significant hazard in Louisiana. It was completed in 1949 and is 77 years old. Its primary use is recreation. Significant hazard means failure could cause economic or environmental damage. Learn more.
Physical Details
| Dam Length | 200 ft |
| Dam Type | Concrete |
| Max Storage | 3.4K acre-ft |
| Normal Storage | 3.4K acre-ft |
| Surface Area | 107 acres |
| Drainage Area | 7,960 sq mi |
| Max Discharge | 4,200 cfs |
| Year Completed | 1949 (77 years old) |
| NID ID | LA00089 |
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 - Vicksburg District
Federal Government
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What is the hazard classification of Pearl River Lock 1 and Spillway?
Pearl River Lock 1 and Spillway 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 Pearl River Lock 1 and Spillway?
Pearl River Lock 1 and Spillway is owned by USACE - Vicksburg District (Federal Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Pearl River Lock 1 and Spillway built?
Pearl River Lock 1 and Spillway was completed in 1949, making it 77 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 Pearl River Lock 1 and Spillway?
Pearl River Lock 1 and Spillway serves the following purposes: Recreation, Navigation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
When was Pearl River Lock 1 and Spillway last inspected?
Pearl River Lock 1 and Spillway was last inspected on November 2, 2016. Inspection dates indicate when a formal review occurred, not the results of that inspection.