Marioneaux Pond Dam No. 2

Tr-Wallace Bayou/Lake· De Soto, Louisiana· Built 1963· Earth· 19 ft tall
Low Hazard Recreation Private

Key Takeaway

Marioneaux Pond Dam No. 2 is classified as low hazard in Louisiana. It was completed in 1963 and is 63 years old. Its primary use is recreation.

Physical Details

Dam Height 19 ft (taller than 55.9% in LA)
Dam Length845 ft
Dam TypeEarth
Max Storage95 acre-ft
Normal Storage85 acre-ft
Surface Area10 acres
Drainage Area0 sq mi
Max Discharge225 cfs
Year Completed1963 (63 years old)
Year Modified2012
NID IDLA00602

Safety Information

Low Hazard

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?

Emergency Action Plan: No
Last Inspection: November 24, 2020
State Regulated: Yes
Regulatory Agency: LA DOTD

Ownership

Lucien Marioneaux

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Marioneaux Pond Dam No. 2?

Marioneaux Pond Dam No. 2 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. 2?

Marioneaux Pond Dam No. 2 is owned by Lucien Marioneaux (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Marioneaux Pond Dam No. 2 built?

Marioneaux Pond Dam No. 2 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 Marioneaux Pond Dam No. 2?

Marioneaux Pond Dam No. 2 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. 2?

Marioneaux Pond Dam No. 2 has a dam height of 19 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. 2 last inspected?

Marioneaux Pond Dam No. 2 was last inspected on November 24, 2020. Inspection dates indicate when a formal review occurred, not the results of that inspection.

Data from the National Inventory of Dams (NID) maintained by the US Army Corps of Engineers. Dam conditions may have changed since the last update. This site is not affiliated with USACE. Do not use for emergency planning — contact your local dam safety program.