The Army Corps of Engineers needs to update its risk studies for the levee system in New Orleans and nearby areas, said Bob Jacobsen, a civil engineer hired by the Southeast Louisiana Flood Protection Authority-East. Although parts of the levee system could meet the requirements for federal certification, earthen levees along the East Bank could be unable to withstand 100-year storm surges in some areas, and the height of some levees could be an issue in the coming decades, Jacobsen said.

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