Creating and Storing an Emergency Water Supply In certain emergency situations, access to clean drinking water may be just enough to save your life. Prepare for this scenario by creating and storing an emergency supply of water that will sustain you...
But does a closed bottle of water actually go bad? According to DNews, it can be stored “indefinitely” if it’s properly stored. The Centers for Disease Control put out a statement saying commercially bottled water is the safest method for long term storage, but it should not be in a place where it will be in direct sunlight because some plastics release hormone disrupter bisphenol A (BPA) when they're heated.
Another big problem with plastic water bottle is that they are permeable. They absorb pesticides, gasoline, and other pollutants that are nearby.
In my opinion, this is not the type of water I want to drink in an emergency situation.
If you're interested in learning how to properly store water in BPA free containers read: