Kirkland Signature vs Essentia Water: which water is healthier?

Updated · Scores from third-party lab reports · How we score

Kirkland Signature is the healthier choice, scoring 63/100 versus 50/100 for Essentia Water. The biggest differences are contaminants and PFAS testing.

Kirkland Signature Purified Water Plastic Bottle

Kirkland Signature

Kirkland Signature Purified Water Plastic Bottle

63
Essentia Ionized Alkaline & Electrolyte Water Plastic Bottle

Essentia Water

Essentia Ionized Alkaline & Electrolyte Water Plastic Bottle

50

Side-by-side comparison

Kirkland SignatureEssentia Water
Purity score63/10050/100
Product comparedKirkland Signature Purified Water Plastic BottleEssentia Ionized Alkaline & Electrolyte Water Plastic Bottle
TypeStillStill
Water sourceMunicipal SupplyMunicipal Supply
PackagingPlasticPlastic
Microplastics riskHighHigh
Lab testedYesYes
PFAS testedYesNo
Contaminants flagged15
pH5.99.68
TDS (minerals)—67.33 ppm
Fluoride0 mg/L0 mg/L

Score breakdown

FactorKirkland SignatureEssentia Water
Lab report indexed45/4545/45
Contaminants17/500/50
Water source15/2515/25
Mineral preservation17/1717/17
Packaging material2/222/22
Cap material7/77/7
PFAS testing5/50/5

Each brand is represented by its most popular product. See all products from Kirkland Signature and Essentia Water.

Frequently asked questions

Which is better, Kirkland Signature or Essentia Water?

Kirkland Signature is the healthier choice, scoring 63/100 versus 50/100 for Essentia Water. The biggest differences are contaminants and PFAS testing.

Is Kirkland Signature or Essentia Water better for avoiding microplastics?

Kirkland Signature (plastic) has a high microplastics risk and Essentia Water (plastic) has a high risk, based on packaging material.

Which has more minerals, Kirkland Signature or Essentia Water?

Total dissolved solids (TDS) is not reported for both products, so check each product page for its mineral list.

More comparisons