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I saw your earlier post. I was wrong. My map software searches faster if you give it a city to work with. Unfortunately, it thinks New Orleans and Gretna are two different cities.

I know, I know....no excuse...

(I see that that canal's walls range from 5.0 to 9.5 feet. That means a surge at least 5 feet above sea level.)

New info on Storm2K has the Jefferson Parish emergency manager Maestri declaring that there is no overtopping now, but that the canal is being watched "minute by minute." Perhaps things are settling down.

I see that that canal's walls range from 5.0 to 9.5 feet. That means a surge at least 5 feet above sea level.

I dug up a good deal of information about this canal a few days ago, but for the reason of resaerching the politics of approving the flood gate and levee improvement projects associated with it.

http://louisiana.construction.com/projects/TopProjects2005.pdf 756 kB (p8)
http://www.mvn.usace.army.mil/pao/visitor/wbFactSheet12-00.asp
http://louisiana.construction.com/features/archive/0504_feature1.asp

Lots of interesting tidbits in the last article. Providing flood protection of that large of an area, in that geographic location, is a monumental undertaking.