Old River
Key Takeaway
Old River is classified as high hazard in Louisiana. It was completed in 1990 and is 36 years old. Its primary use is hydroelectric. 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 | 134 ft (taller than 99.9% in LA) |
| Dam Length | 1,004 ft |
| Dam Type | Concrete |
| Drainage Area | 1,250,000 sq mi |
| Year Completed | 1990 (36 years old) |
| NID ID | LA00598 |
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
City of Vidalia
Private
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Unknown 36 ftFrequently Asked Questions
What is the hazard classification of Old River?
Old River 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 Old River?
Old River is owned by City of Vidalia (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Old River built?
Old River was completed in 1990, making it 36 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 Old River?
Old River serves the following purposes: Hydroelectric, Other, Fish And Wildlife Pond. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Old River?
Old River has a dam height of 134 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 Old River last inspected?
Old River was last inspected on September 30, 2020. Inspection dates indicate when a formal review occurred, not the results of that inspection.