Pipes pump in Louisana

Large pipes pump water from flooded neighborhoods into the Inner Harbor Navigation Canal in new Orleans, Louisiana September 15, 2005. The canal carries possibly contaminated floodwaters into both Lake Pontchartrain and the Mississippi River .

All the oil spilled in six major Louisiana incidents after Hurricane Katrina has been contained and almost none of it flowed directly into the Mississippi River , the U.S. Coast Guard said on Friday. REUTERS/Brian Snyder