Whenever you have a significant amount of flooding, people are bound to get their feet wet while outdoors.  If your feet stay wet inside shoegear for extended periods of time, especially boots that do not allow adequate ventillation/drying, you are at risk for developing Trench Foot or severe Athlete's foot.  Trench foot is a condition mainly associated with people in the military, however, during storms such as our recent hurricane irene, anyone is at risk.  To prevent this condition make sure you dry and clean your feet after being in water for an extended period of time.  Medicated powder can also be of help to absorb unwanted moisture and fungus/bacteria.  If you find excessive moisture, odor, drainage, itching on the bottom or in between your toes, seek professional advice immediately.  Your Podiatrist can prescribe oral and/or topical medication for this condtion.