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Is mineral water safe to drink?

Quick answer

Yes. In the US, bottled water including mineral water is regulated by FDA, which sets limits for bacteria, arsenic, lead, nitrate and more in 21 CFR 165.110. Mineral water must have at least 250 ppm total dissolved solids from a protected underground source. We found no official daily amount of mineral water that is unsafe.

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In this article
  1. What counts as mineral water?
  2. Does FDA test the safety of mineral water?
  3. What does the label tell me about mineral content?
  4. How much mineral water is safe to drink?

What counts as mineral water?

Under FDA rules (21 CFR 165.110), mineral water contains not less than 250 parts per million (ppm) total dissolved solids, comes from a bore hole or spring, and from a geologically and physically protected underground source. Minerals cannot be added.

Does FDA test the safety of mineral water?

FDA sets standards that bottled water must meet. These include microbiological limits (E. coli makes water adulterated) and chemical limits in mg/L such as arsenic 0.010, lead 0.005 and nitrate 10 (as nitrogen). Water that fails must carry a statement such as Contains Excessive Bacteria.

What does the label tell me about mineral content?

Total dissolved solids Required front-label statement
Below 500 ppm low mineral content
500 to 1,500 ppm none required
Above 1,500 ppm high mineral content

How much mineral water is safe to drink?

We found no official limit on how much mineral water an adult may drink per day. Mineral water is exempt from the chloride, iron, manganese, zinc, sulfate and total dissolved solids limits, which FDA treats as aesthetic rather than health-based. If you must limit sodium or minerals for a medical reason, read the label and ask a doctor or pharmacist.

Water not sterile and labeled for infant formula must say so on the label: not sterile, use as directed by a physician.

People also ask

Is mineral water safe to drink?

In the US it must meet FDA bottled water standards in 21 CFR 165.110, including limits for bacteria and contaminants such as arsenic and lead.

How much mineral water is safe to drink?

We found no official daily limit. If you need to limit minerals or sodium for medical reasons, ask a doctor or pharmacist.

What makes water mineral water?

At least 250 ppm total dissolved solids, from a protected underground spring or bore hole, with no minerals added.

General information only, not medical advice. If you have a health condition or are pregnant, ask your doctor before changing what you drink.

Sources

  1. eCFR: 21 CFR 165.110, Bottled water, read 5 Nov 2026
Written by Drinks Type Editorial Team · Published Mar 28, 2024 · Updated Nov 5, 2026
About · How we verify this · Editorial policy · Corrections

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