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Eska

Eska is a Québec natural spring water that the brand says is filtered through an esker, a glacial sand ridge in Abitibi. — as described by the brand

8.3/10Waterphile Score9/9 properties published
  • pH7.93 ideal 6.5–8.59.8
  • TDS86 mg/L ideal 225–500 mg/L5.0
  • Sodium2.4 mg/L ideal up to 20 mg/L10.0
  • Calcium24 mg/L ideal 36.7–80 mg/L · counts half5.0
  • Magnesium4 mg/L ideal 16.7–30 mg/L · counts half5.0
  • Sulfate7.2 mg/L ideal up to 248 mg/L10.0
  • ChlorideND mg/L ideal up to 250 mg/L10.0
  • Nitrate0.39843 mg/L as N ideal up to 10 mg/L10.0
  • Bicarbonate90 mg/L ideal 30–396.6 mg/L · counts half10.0

Each bar is out of 10 for that property. Deductions: −0.3 for an analysis over 3 years old. Editorial score, not a health rating. How scores work →

Mineral FactsPer litre · 9 of 11 values published
Basics
pH
7.93
Total dissolved solids TDS
86 mg/L
Minerals
Calcium
24 mg/L
Magnesium
4 mg/L
Sodium
2.4 mg/L
Potassium
0.9 mg/L
Other dissolved substances
Bicarbonate
90 mg/L
Sulfate
7.2 mg/L
Chloride
Not detected
Nitrate (NO₃)
0.09 mg/L as N
Silica
—
— Not published by the brand · we never estimateSource: Eska 2017 bottled water analysis (hosted by Consumer Reports) · checked 2026-10-26

2017 report: pH 7.93, TDS 86, Ca 24, Mg 4.0, Na 2.4, K 0.9, bicarbonate 90 (as HCO3), nitrate-N 0.09, sulfate 7.2 mg/L; chloride and fluoride ND. Analysis over 3 years old.

How it stands out

  1. Sodium is 2.4 mg/L, under the 20 mg/L level the UK/EU uses for “suitable for a low-sodium diet” on natural mineral water labels.

UK/EU label thresholds met

Applied to the published numbers for information; these indications legally apply to natural mineral water labels.

  • Suitable for a low-sodium diet (sodium < 20 mg/L)

Taste notes

No taste notes yet. Soon you will be able to say how Eska tastes to you. Results will appear here once people have voted; nothing is shown until then.

  • SoftNo votes
  • CrispNo votes
  • SmoothNo votes
  • MineralNo votes
  • SaltyNo votes
  • SweetNo votes
  • BitterNo votes
  • MetallicNo votes

Ratings & reviews

Waterphile Score lab data

8.3/10

From the brand’s published mineral values. How it works

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  2. 2JUST WaterSpring water · Still · USA Calcium17.4Magnesium4Sodium3.6Compared on 5 shared values
  3. 3Liquid Death Mountain Water (Still)Artesian water · Still · USA Calcium30Magnesium5.7Sodium2.8Compared on 6 shared values
  4. 4LevissimaNatural mineral water · Still · Italy Calcium23.1Magnesium1.8Sodium2.1Bicarbonate57.9Compared on 6 shared values

Computed from published numbers only: the waters whose mineral values are closest to Eska’s on a log scale, using the values both brands publish as single numbers (at least 5). pH and nitrate are not used. Similar minerals do not mean similar taste.

Source & spring

SourceEsker spring at Saint-Mathieu-d'Harricana, Abitibi, Québec
CountryCanada · all waters from Canada
Water typeSpring water · what this means
Still or sparklingStill
Data sourceEska 2017 bottled water analysis (hosted by Consumer Reports)
Last checked 2026-10-26

Brands update their analyses from time to time, and values can differ between bottle sizes, plants and batches. Check the label on your bottle. Spotted a change? See corrections.

Where to buy

See the official Eska website for stockists. Retailer and price links are coming later.

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Not medical advice. Waterphile shows mineral values as published by each brand, for general information only. If you have a health condition, follow a restricted diet or prepare infant formula, ask a doctor, pediatrician or health visitor.