How Long Does Bottled Water Last?
Commercially sealed bottled water, still or sparkling.
The Short Answer
At room temperature in the pantry, expect 730– days under normal conditions. These times are based on USDA food safety guidelines and assume proper storage conditions.
Storage Times at a Glance
Source: FDA regulations | Last verified: March 26, 2026 | Our methodology
Water does not expire. The date on the bottle is a quality indicator for the plastic container, not the water. However, storing bottled water in a hot garage or in direct sunlight accelerates chemical leaching from the plastic. Store it cool and it stays fresh for years.
How to Store Bottled Water
Store in a cool, dark place away from chemicals, solvents, and gasoline. The expiration date on bottled water is about the plastic container, not the water itself. Over time, chemicals from the plastic can leach into the water, especially in heat. Water itself does not expire.
How to Tell if Bottled Water Has Gone Bad
Look for these signs that bottled water has spoiled: bottled water does not truly spoil if the seal is intact. off taste (plastic flavor) indicates chemical leaching from the container and the water should be discarded.
The Professor's rule: When in doubt, throw it out. No meal is worth food poisoning.
The Bottom Line
Always store in airtight containers, refrigerate within 2 hours of purchase or preparation, and trust your senses. If something looks, smells, or feels off, discard it regardless of how many days it has been.
Frequently Asked Questions
The date is required by some states and relates to the degradation of the plastic container, not the water. Over time, especially in heat, chemicals from plastic can leach into the water and affect taste. The water itself does not expire.