Water pumping station and levee system to protect New Orleans from hurricane flooding

house home neighborhood community hurricane katrina flood flooding protect floodwall new orleans louisiana pontchartrain lake aerial lake pontchartrain metairie water american wind causeway spillway gulf coast st tammany drainage canal deep south dredge army corp of engineers landmark america dredging hurricane river bank lower ninth ward intracoastal waterway drainage pump lock tropical storm engineering mistake canal system united states portage engineering gulf outlet industrial canal protection levee pumping station