Killing about 2000 it was the strongest hurricane that year. It was the fifth strongest hurricane in the United States of America. It started in August 2005 and had a overall damage cost of 81 billion dollars. Hurricane Katrina hit Louisiana and Mississippi but New Orleans most of all. 80 percent of New Orleans was under water 20 feet deep. Hurricane Katrina damaged over 90,000 miles and destroyed 100,000 houses. The first water that rushed in the city of New Orleans was clear and clean but after a few days it was black with sewage and dead bodies.