Believe it or not, but Wal-Mart now carries products for long-term food storage and emergency preparedness. …at least at the Wal-Mart where I have recently been. You can get 55 gallon water storage barrels, as well as the dry pack foods. Some items are even less expensive than the LDS cannery. [...]
The average person needs to drink approximately a gallon of water each day. This is water for drinking purposes only. Many people also store a gallon of water to help fulfill their daily hygiene needs. It is important to remember that you will also need sufficient amounts of water to cook or prepare your food. [...]
Although it is difficult and impractical to store water in large quantities, experts recommend that a two-week emergency water supply be kept. Store at least fourteen gallons per person — seven for drinking and seven for other uses. Store even more if there is a baby to care for. Regardless of how much storage [...]