Mineral water guide
Mineral Water: Sources, Minerals, Labels & Brands
Mineral water is regulated, source-defined, and chemically distinct from spring, sparkling and purified water. This pillar pulls together everything we publish about what counts as mineral water, what the numbers on the label mean, and how the world's leading brands compare.
In one sentence
Mineral water is water that comes from a protected underground source and arrives at the bottle with its naturally occurring minerals intact — nothing added, nothing removed.
Mineral water database
Brand rankings built from published mineral labels and source documentation. Figures reflect each brand's reported analysis, not independent laboratory testing.
Highest Mineral Content Water
Bottled waters ranked by total dissolved solids and overall mineral load.
Open rankingHigh-Calcium Water Brands
Mineral waters with the most calcium per liter, by published label data.
Open rankingHigh-Magnesium Water Brands
Mineral waters delivering the most magnesium, ranked from the source.
Open rankingLow-Sodium Mineral Water
Mineral waters with the lowest sodium content per liter.
Open rankingTDS Chart
Side-by-side total dissolved solids across the most popular bottled waters.
Open rankingSupporting articles
What Is Mineral Water?
Definition, regulation, and what separates mineral water from spring or purified water.
Read articleMineral Water vs Spring Water
The legal and chemical differences between the two most confused categories.
Read articleMineral Water vs Sparkling Water
Why "sparkling" describes carbonation, not source — and how the two overlap.
Read articleMineral Water vs Club Soda
Club soda, seltzer and mineral water are not the same thing. Here's the chemistry.
Read articleDoes Mineral Water Contain Calcium and Magnesium?
How much calcium and magnesium real mineral waters deliver — with examples.
Read articleHow to Read a Mineral Water Analysis Label
Translate TDS, bicarbonate, sodium and the rest of the back-of-bottle table.
Read articleWhat Is TDS in Bottled Water?
Total dissolved solids — what the number means, typical ranges, and what's healthy.
Read articleIs Mineral Water Naturally Carbonated?
Naturally carbonated vs added-CO2 vs naturally still, with brand examples.
Read articleStill Mineral Water vs Sparkling Mineral Water
Same source, different mouthfeel — and what carbonation actually changes.
Read articleEuropean Mineral Water vs American Mineral Water
Why European brands tend to be mineral-rich and what changed in the U.S.
Read article