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Morganza Spillway to Open, Save NOLA


When Mayor Mitch confidently said N.O. is safe from the flooding of the Mighty Mississippi this week, his big reasoning lay 300 miles upstream. The Morganza Spillway, located north of Baton Rogue, runs into its own channel, known as a a floodway,  that can collect much more water from the River than the already-opened Bonnet Carre Spillway. It brings the water down the Atchafalya Basin to the Gulf of Mexico. After a week of talk, the Army Corps of Engineers is set to open the Morganza this afternoon for the first time since 1973, and let the water rush away from New Orleans and Baton Rogue. We're all saved! Well, not quite.

 

The floodway runs right through its own corridor, running down to Morgan City. Though there are levees protecting the floodway, they are likely to be unable to hold the massive amount of water that will be released, flooding the residences, farmland, businesses and other spots that sit adjacent. The entire area that floods is projected to be the size of Connecticut. Evacuation notices have already been issued for several towns in St. Landry Parish, and the wait is on in Morgan City. Want to see exactly where the flooding will take place? Get some color-coded map action right here.




Morganza spillway is at

Morganza spillway is at Mississippi River mile 280 AHP- Above Head Passes, according to Wiki (okay I'm lazy like that). If I recall correctly the New Orleans Riverwalk is at mile 98.5.

You can do the math from there. YMMV.

Morganza, Louisiana, in

Morganza, Louisiana, in Pointe Coupee parish, is 35 miles NW of Baton Rouge,and 105 miles NW of New Orleans, Louisiana.

Not quite 300 miles.................

I heard that it's supposed to

I heard that it's supposed to save the Old River Control Structure.

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