Morganza Spillway Will Likely Be Opened - For Just Third Time Ever

May 23, 2019

Though the official decision will not be made until next week, the Army Corps of Engineers expects to open the Morganza Spillway as soon as June 2nd.

Located upriver from Baton Rouge, the Spillway has only been used twice before: during the floods of 1973 and 2011.


Whereas the Bonnet Carre Spillway relieves pressure on the Mississippi River by diverting excess water into Lake Pontchartrain, Morganza eventually empties into the Atchafalaya Basin.

There are no permanent residents in the Morganza floodway itself, but Agriculture and Forestry Commissioner Mike Strain said there are about 25,000 acres of farmland at risk.

“The longer the water’s there, those particular crops cannot recover,” said Strain.

“So we do expect probably a total loss of all the crops that have been planted, and potentially a loss of the entire season.”

Officials also said they might sink a barge in Bayou Chene to prevent flood water from rising near Morgan City.

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