Marioneaux Pond Dam No. 1
Key Takeaway
Marioneaux Pond Dam No. 1 is classified as low hazard in Louisiana. It was completed in 1958 and is 68 years old. Its primary use is recreation.
Physical Details
| Dam Height | 14 ft (taller than 27.6% in LA) |
| Dam Length | 765 ft |
| Dam Type | Earth |
| Max Storage | 161 acre-ft |
| Normal Storage | 138 acre-ft |
| Surface Area | 23 acres |
| Drainage Area | 2 sq mi |
| Max Discharge | 450 cfs |
| Year Completed | 1958 (68 years old) |
| Year Modified | 2012 |
| NID ID | LA00566 |
Safety Information
No probable loss of human life and low economic/environmental losses expected.
Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?
Ownership
Marioneaux Properties, LP
Private
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Low Hazard 19 ftFrequently Asked Questions
What is the hazard classification of Marioneaux Pond Dam No. 1?
Marioneaux Pond Dam No. 1 is classified as Low Hazard. No probable loss of human life and low economic/environmental losses expected. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.
Who owns and operates Marioneaux Pond Dam No. 1?
Marioneaux Pond Dam No. 1 is owned by Marioneaux Properties, LP (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Marioneaux Pond Dam No. 1 built?
Marioneaux Pond Dam No. 1 was completed in 1958, making it 68 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 Marioneaux Pond Dam No. 1?
Marioneaux Pond Dam No. 1 serves the following purposes: Recreation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Marioneaux Pond Dam No. 1?
Marioneaux Pond Dam No. 1 has a dam height of 14 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 Marioneaux Pond Dam No. 1 last inspected?
Marioneaux Pond Dam No. 1 was last inspected on November 25, 2020. Inspection dates indicate when a formal review occurred, not the results of that inspection.