Last reviewed: 8 November 2026
Inspect the seal and container
Choose a container with an intact closure and no obvious leak, damage, unusual swelling or tampering. If the seal is broken or the container looks compromised, do not rely on it; follow the seller’s or regulator’s reporting guidance.
Store the container as directed on its label, away from heat, sunlight, chemicals and dirt. Avoid reusing single-use containers unless the manufacturer or applicable guidance says it is appropriate.
Look for identifying and traceability details
Check the product name or category, maker or packer details, batch or lot code, and applicable manufacture or best-before dates. The exact label format varies; ask the relevant food or product regulator if a required detail is unclear.
Look for a registration, licence or conformity mark where applicable, and verify it through an official regulator source if you have doubts. A printed mark alone should not be treated as proof of a recent independent test.
Understand what a label cannot tell you
A label may describe a source or product category, but it does not necessarily show every parameter, the latest batch result or how the container was stored after bottling.
If you suspect a product problem, keep the bottle and its label, record the batch information, and contact the seller or appropriate regulator. Avoid sharing unverified accusations about a specific brand.
Use care after opening
Follow the product’s storage instructions after opening and use a clean cup or dispenser. Keep the cap and opening away from dirty hands and surfaces.
If the water looks unusual or the packaging is damaged, do not taste it to investigate. Set it aside and ask the seller or regulator how to report the concern.
Frequently asked questions
Does a registration mark guarantee the water is safe right now?
A mark is not a real-time test of the bottle in your hand. Check the applicable official registry and follow regulator advice; report suspected problems with the batch details.
Why should I check a batch or lot code?
It helps identify the product if you need to ask the maker, seller or regulator about a concern. Keep the label or a clear photo.
Can I use a bottle with a broken seal?
Do not rely on a container with a broken or damaged seal. Set it aside and ask the seller or relevant regulator how to report the issue.
Does a bottled-water label show every test result?
Not necessarily. Label requirements vary, and a label may not show every parameter or the latest batch result. Ask the maker or regulator for applicable information.
Sources and further guidance
Related water guides
- How can I tell if tap water is safe to drink?
Check the supply source, local notices and a recent test of the water you actually use. Appearance alone cannot confirm safety.
- How do I read a water test report?
Check where and when the sample was taken, which tests were run, the units and reference values, and what the laboratory says the result means.
- How should I choose a home water filter?
Start with the water concern, verify the exact filter claim, and consider upkeep and replacement parts—not just taste or a broad product label.
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