Marioneaux Pond Dam No.
Wind
Humidity
2, located in De Soto, Louisiana, was completed in 1963 by designer Harry Marioneaux for the primary purpose of recreation. This private earth dam stands at 19 feet high with a structural height of 21 feet and a length of 845 feet. It holds a normal storage capacity of 85 acre-feet and has a low hazard potential with a fair condition assessment as of November 2020.
Situated on TR-Wallace Bayou/Lake, this dam is state-regulated by the Louisiana Department of Transportation and Development, with inspection, permitting, and enforcement systems in place. The dam features an uncontrolled spillway with a width of 25 feet and a maximum discharge capacity of 225 cubic feet per second. The risk assessment for Marioneaux Pond Dam No. 2 is moderate, indicating a level 3 risk, with no specific risk management measures or inundation maps prepared as of the most recent data update in April 2021.
For water resource and climate enthusiasts, Marioneaux Pond Dam No. 2 presents an intriguing case study of a privately owned recreational dam in Louisiana. With its unique design elements and regulatory oversight, this earth dam serves as a vital structure for water management and recreation in the region. As climate change continues to impact water resources, monitoring and maintaining the integrity of dams like Marioneaux Pond Dam No. 2 will be crucial for ensuring safety and sustainability in the face of evolving environmental challenges.
Year Completed |
1963 |
Dam Length |
845 |
Dam Height |
19 |
River Or Stream |
TR-WALLACE BAYOU/LAKE |
Primary Dam Type |
Earth |
Surface Area |
10 |
Hydraulic Height |
17 |
Nid Storage |
95 |
Structural Height |
21 |
Hazard Potential |
Low |
Foundations |
Soil |
Nid Height |
21 |
Cypress Bayou Near Keithville
|
14cfs |
Red Chute Bayou At Sligo
|
59cfs |
Bayou Grand Cane Near Stanley
|
6cfs |
Sabine Rv Nr Carthage
|
9200cfs |
Bayou San Patricio Near Benson
|
32cfs |
Sabine Rv Nr Beckville
|
1020cfs |