Hurricane Irene flooded parts of the Passaic River in New Jersey last year. In Vermont, massive clean-up efforts are underway from storm surges and flooding. In 2012, Hurricane Sandy dumped more flood waters on New York, New Jersey and other parts of the U.S. eastern seaboard. Flood water from swollen rivers and overflowing sewers is extremely toxic. Here are safety tips for storm, flood and sewage clean up. How to Safely Clean Up After Hurricane Flooding