Scientists predict the closure will allow the eco-system to recover and eventually enrich the surrounding area for the benefit of the fishing industry.
"Since Saturday the road drainage system has been cleaned out and electricity to the surrounding houses has been reinstated by Western Power Distribution, " he said.
But Hurricane Katrina's winds pushed in a devastating surge of water from the Gulf of Mexico that overwhelmed the city's system of levees built to hold back the surrounding Mississippi River and Lake Pontchartrain.