30 years
Also, can water can expire?
✅ What is the shelf life of unopened bottled water? The recommended shelf life of still water is 2 years and 1 year for sparkling. The FDA does not list shelf life requirements and water can be stored indefinitely however bottled water plastic leaches over time and can effect taste.
Subsequently, question is, can emergency water go bad? Emergency water pouches technically expire around 5 years after their date of manufacture. However, if the water doesn't somehow get contaminated, it should remain drinkable for much longer than that.
Also Know, why does canned water expire?
There are a few important reasons for why water has an expiration date printed on its packaging. If the water is stored in a plastic bottle, leftover chemicals from the manufacturing process will leach into the water over time. Chemical degradation of the plastic container itself is also possible.
How do you store water for years?
Long-Term Water Storage Solutions
The general guideline is to use food-grade plastic bottles. You can also use glass bottles so long as they haven't stored non-food items. Stainless steel is another option, but you won't be able to treat your stored water with chlorine, as it corrodes steel.
Related Question Answers
Does bottled water go bad if it gets hot?
Drinking from a single water bottle left in the hot sun won't hurt you, but experts say consumers should avoid persistant exposure to plastic containers left in extreme heat. As temperature and time increase, the chemical bonds in the plastic increasingly break down and chemicals are more likely to leach. Can water get moldy?
Can Water Grow Mold? Mold can grow in water if the water is rich in nutrients. The mold will form a mat on the surface of the water and produce spores. If the water contains little or no nutrients, then the initial growth would die for lack of nutrients. Can water make you fat?
Water has zero calories, so it is impossible that drinking water - cold or room temperature - causes weight gain. "Your body has to burn some calories, to warm this water and bring it down to 98 degrees Fahrenheit, which is the body temperature. What bottled water has the longest shelf life?
Puravai Emergency Drinking Water comes with a 20 year guaranteed shelf life but is safe to drink beyond 50 years when stored properly. This case of Puravai Emergency Drinking Water comes with 6 one liter bottles (33.8 fluid ounces) of the longest lasting, most durable and convenient water available. Can water help you lose weight?
Water can be really helpful for weight loss. It is 100% calorie-free, helps you burn more calories and may even suppress your appetite if consumed before meals. The benefits are even greater when you replace sugary beverages with water. Can you get sick from drinking old water?
The water left overnight or for a long period of time in an open glass or container is home to numerous bacterias and is not safe for drinking. You never know how much dust, debris, and other small microscopic particles might have passed into that glass. Water left in a bottle for a long time is not safe to drink. Does water go bad in metal bottles?
Schwab says the types of plastic used for bottling water aren't meant to be washed or refilled, so use them once and recycle them. Or better yet, use refillable containers made of metal or glass. “Most experts will tell you tap water has a shelf-life of six months,†Satterfield says. How long is water good for in a 5 gallon jug?
two years
Why is canned water so expensive?
In addition to the fuel that it takes to move the bottled water, it also takes time and people. The longer a product takes to get from the production line to the hands of the consumers, the more the product can cost. This is because every step of the way, there are costs involving transportation, storage, and labor. How long does bottled water last prepper?
Water in and of itself does not go bad. Bottled water is labeled as good for 2 years. ( May vary in some localities) I personally think it is drinkable for much longer than that, at least twice as long. In fact if stored in a dark, cool location I would expect bottled water to last as long as the bottle. How long can water be stored in glass bottles?
Although properly stored public-supply water should have an indefinite shelf life, replace it every 6 to 12 months for best taste. If the water you are storing comes from a private well, spring, or other untested source, purify it before storage to kill pathogens (see below). 
