Does Bottled Water Have a Shelf Life

Although bottled water has an expiration date, it doesnt actually go bad. Why is there an expiration date on a product that doesnt go bad? This is because New Jersey requires all food and beverages, including water, to carry an expiration date on its packaging. It doesnt matter if you dont live in New Jersey... your water may carry an expiration date anyway to make it easier to standardize packaging. Some bottled water only carries its bottling date or a best by date. These dates are helpful because the flavor of the water will change over time as it absorbs chemicals from its packaging. The flavor will not necessarily be bad, but it may be noticeable. Changes in Bottled Water on the Shelf Leaching of chemicals from packaging is a health concern, but as far as toxic chemicals go, you can get exposure to most of those chemicals from freshly bottled water as well as bottled water that has been on the shelf a while. A plastic taste is not necessarily an indicator that the water is bad; absence of an unpleasant flavor does not mean the water is free from contaminants. While algae and bacteria will not grow in sealed bottled water, the situation changes once the seal has been broken. You should consume or discard water within 2 weeks after opening it. If you drink directly from the bottle, you introduce bacteria into the water, which may reproduce. Once you take that first swig, its best to finish the bottle the same day. Can You Drink Too Much Water? | Hard Versus Soft Water Does Bottled Water Have a Shelf Life Most bottled water has an expiration date stamped on the bottle, but does the bottled water actually go bad? If so, how long is bottled water good? The answer to this common question is fairly simple. Expiration Dates Come From a State Law Although bottled water has an expiration date, it doesnt actually go bad. Why is there an expiration date on a product that doesnt go bad? This is because the state of New Jersey requires all food and beverages, including water, to carry an expiration date on its packaging. It doesnt matter if you dont live in New Jersey...your water may carry an expiration date anyway to make it easier to standardize packaging. Some bottled water only carries its bottling date or a best by date. These dates are helpful because the flavor of the water will change over time as it absorbs chemicals from its packaging. The flavor will not necessarily be bad, but it may be noticeable. Any Leaching From Plastic Is Unrelated to Time Leaching of chemicals from packaging is a health concern, but as far as toxic chemicals go, you can get exposure to most of those chemicals from freshly bottled water as well as bottled water that has been on the shelf a while. A plastic taste is not necessarily an indicator that the water is bad; conversely, the absence  of an unpleasant flavor does not mean the water is free from contaminants. Keep Bottled Water Sealed While algae and bacteria will not grow in sealed bottled water, the situation changes once the seal has been broken. You should consume or discard water within two weeks after opening it.