Floodwall failure led to 588 deaths in New Orleans

KRT:

Nearly 600 people who died because of Hurricane Katrina might have survived had floodwalls on two New Orleans canals not collapsed, a Knight Ridder analysis of where bodies were found after the storm indicates.

The bodies of at least 588 people were recovered in neighborhoods that engineers say would have remained largely dry had the walls of the 17th Street and London Avenue canals not given way - probably because of poor design, shoddy construction or improper maintenance - after the height of the storm.

In contrast, 286 bodies were recovered in the Lower Ninth Ward, New Orleans East and neighboring St. Bernard Parish, where Katrina's storm surge poured over levees and flooded neighborhoods.

The role of the 17th Street and London Avenue canal floodwalls in the destruction of New Orleans has been hotly debated in the four months since the storm. Engineers who are investigating their collapse think that floodwaters generated by Katrina never rose high enough to pour over the walls, and they blame flawed design, construction or maintenance for the walls' failure and the flooding that followed.

Louisiana authorities are investigating whether laws were broken during construction of the floodwalls, but until now there's been no attempt to quantify how much their failure may have contributed to New Orleans' death toll.

Louisiana State University hurricane expert Ivor Van Heerden said there was no doubt that vast areas of the city would have remained dry, and residents relatively unscathed, had the walls of the 17th Street and London Avenue canals not collapsed.

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There is much more.

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