Effects of Hurricane Katrina in New Orleans landfall in 2005, the project was between 60–90% complete with a projected date of completion estimated for 2015, nearly 50 years after authorization. Hurricane Georges in September 1998 galvanized some scientists, engineers and politicians into collective planning, "Scientific American" declared that "New Orleans is a disaster waiting to happen" in October 2001. However, even the most insistent calls from officials to evacuate ahead of Katrina did not warn that the levees could breach. On August 29th, 2005, flood walls and levees catastrophically failed throughout the metro area. Many collapsed well below design thresholds (17th Street and London Canals). Others collapsed
Hurricane preparedness for New Orleans Wetlands of Louisiana. The weight of large buildings and infrastructure and the leaching of water, oil and gas from beneath the surface across the region have also contributed to the problem. Following the great floods of 1927, the Mississippi River was surrounded by a series of levees meant to protect the city from such floods. In 1965, New Orleans was hit by Hurricane Betsy, which caused tremendous flooding in the New Orleans area. The federal government began a levee-building program to protect New Orleans from a Category 3 hurricane (the same strength as Betsy). These series of levees were completed