Hurricane Katrina flooded over 90 percent of Louisiana beachfront towns.
Flooding, caused largely as a result of fatal engineering flaws in the flood protection system (levees) around the city of New Orleans, precipitated most of the loss of lives
 The storm surge also devastated the coasts of Mississippi and Alabama, making Katrina one of the most destructive hurricanes, the costliest natural disaster in the history of the United States (tied with Hurricane Harvey in 2017), and the deadliest hurricane since the 1928 Okeechobee hurricane

