How to store water for emergencies How to store water for emergencies We can only live 3 to 4 days without water.
Water is the most important part of any emergency preparedness food storage.
Each person in a household will need a gallon of water a day for drinking and food preparation only. Your water supply should be stored in heavy plastic containers. Thin plastic milk or water containers break easily and are not recommended. Empty 2 liter soda bottles work well as do empty bleach and heavy juice containers. You can purchase large 25 gallon barrels to store water in outside.