How to make sure you have safe drinking water if your supply ... and Ensure It's Safe If faced with a water emergency, you’ll need at least 1 gallon per person per day, for at least three ...

One of the more well-known trends is the #gallonofwateraday encouraging participants to drink one gallon, or 4.5 liters ... drink about 6-8 glasses of water a day (1.2-1.5 liters) is generally ...