At the end of June in New Orleans, after 176 days, water levels along the Mississippi River dropped below 11′ at the Carrollton Gage prompting the U.S. Army Corps of Engineers, New Orleans District to close out flood fight efforts.
The Corps activated phase I flood fight as a proactive measure on Jan. 9, 2020, when the Mississippi River rose above 11′. During this high-water event the river was above 15′ at the Carrollton gage for 93 days requiring phase II operations.
The levee patrols...
https://www.workboat.com/news/coastal-inland-waterways/mississippi-river-flood-fight-operations-end/