Do not use flood water to wash dishes, brush teeth or wash and prepare food. Always wash your hands with soap and water if you have been in contact with floodwater. Avoiding walking or driving through flooded areas and standing water. Even the smallest amount of water can bring about significant dangers. More @Wikipedia
Hover over any link to get a description of the article. Please note that search keywords are sometimes hidden within the full article and don't appear in the description or title.