It is widely known for its role in the Great Mississippi Flood of 1927 . Several tons of dynamite were used to destroy the levee in hopes of preventing damage to the city of New Orleans . However , this effort became less than fruitful when the levee system was breached in several other areas to the north , preventing the flood waters from threatening New Orleans . It did cause major destruction in St. Bernard and Plaquemines Parishes
Great Mississippi Flood of 1927
Great Mississippi Flood of 1927
Caernarvon, Louisiana