EACB Studies. As promoting the Co-operative banks business model is one of our mission, the EACB is supporting the research on co-operative banking by being a partner to the researchers, or by publishing its own studies. Since 2013, we also stimulate the research with our Award for young researchers on co-operative banks.
The water can go stale, too. All companies that produce consumables must, by federal law, have an expiration date on it. Since bottled water is a consumable the company must put a expiration date on it.  Also some water becomes impure due to plastic melting or substances released into the water by the plastic.
The Effect of Storage Temperature on Bottled Water. Bottles of mineral water with a glass. The U.S. Food and Drug Administration (FDA) regulates commercial bottled water as a food. Bottled water has a shelf life of one to two years due to treatment of the water, including filtration, ozonation and demineralization. According to the Iowa State University Cooperative Extension, try to buy refrigerated bottled water and put it in a refrigerator right away. Storing bottled water at or above room temperature promotes the growth of bacteria.