The Water Dictionary

Aquafina

Purified Water

StillPepsiCo

Aquafina is PepsiCo’s purified-water brand, first sold in 1994 in the United States. It is produced by reverse osmosis purification of municipal water supply. Aquafina is not a natural mineral water or spring water; it carries no geographic source designation. The product has a significant market share in the US bottled water category.


Mineral composition

mg/L
Calcium0
Magnesium0
Sodium0
Sulfate0
Chloride1
Bicarbonate0
Hardness: 0 as CaCO₃Alkalinity: 0 as CaCO₃

Compositions can vary by season and source. Read our methodology.

Mineral character

Following reverse osmosis purification, Aquafina has near-zero dissolved minerals. Calcium, magnesium, sodium, and bicarbonate are all effectively zero. The TWD profile records trace sulphate (0.49 mg/L) and chloride (0.65 mg/L) consistent with post-filtration carry-through. TDS is approximately 16 mg/L. The product is classified as purified water.


Use-case suitability


Where to buy

US

Walmart, Target, Kroger, CVS

$0.40-0.80 per litre

Available in the United States through Walmart, Target, Kroger, CVS, and most grocery chains. As of March 2026.