To the surprise of many, the need for water is much higher than for food. Many people have lived for 30 days with no food, but without water, after three or four days you are in serious trouble.
People tend to underestimate how much water is actually needed to perform normal, routine tasks of daily living.
Drinking water is the primary need, but you may need additional water for baths, cooking, flushing toilets, cleaning eating utensils, washing clothes and other chores. (Read More)