The Defense Acquisition University Alumni Association (DAUAA) is an alumni organization for the Defense Acquisition University. It was founded in 2002 and is still very active today.
Fill your fresh water tank again with cold water and let the water sit in the tank for about 8 to 12 hours. After the allotted time, turn on all the faucets and water outlets in your RV again and let the water run until the smell of the bleach goes away.
If the emergency is an earthquake or an landslide, you may have to turn off your water from outside the house to avoid contamination to the water inside your water heater and pipes. Then there is the toilet tank (not the bowl). There is about 3 to 5 gallons of clean water in each tank. You can dip it out with a cup or ladle. If you are a little squeamish about drinking water from the toilet tank, use that water for your pet or for cleanliness.