After a Flood Flood waters may carry silt, raw sewage, oil or chemical waste. If foods have been in contact with flood waters, use this chart to determine their safety. Undamaged canned goods Commercial glass jars of food are safe if you sanitize the containers before opening for use. Mark contents on can or jar lid with indelible ink such as a Sharpie or Marks A Lot.
Paper can harbor dangerous bacteria.
Wash jars and cans in a strong detergent solution with a scrub brush. Immerse containers for 15 minutes in a solution of 2 teaspoons of chlorine bleach per quart of water at room temperature. Air dry before opening. Sanitize dishes and glassware the same way. To disinfect metal pans and utensils, boil them in water 10 minutes.