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St-Yorre

St-Yorre is a very strongly mineralised sodium-bicarbonate sparkling water from the Vichy basin in Auvergne. — as described by the brand

4.8/10Waterphile Score8/9 properties published

pH6.6 ideal 6.5–8.59.2
TDS4774 mg/L ideal 225–500 mg/L0.0
Sodium1708 mg/L ideal up to 20 mg/L0.0
Calcium90 mg/L ideal 36.7–80 mg/L · counts half7.8
Magnesium11 mg/L ideal 16.7–30 mg/L · counts half5.7
Sulfate174 mg/L ideal up to 248 mg/L10.0
Chloride322 mg/L ideal up to 250 mg/L6.3
NitrateNot published −0.1—
Bicarbonate4368 mg/L ideal 30–396.6 mg/L · counts half0.0

Each bar is out of 10 for that property. Deductions: −0.1 for missing values, −0.1 for an undated analysis. Editorial score, not a health rating. How scores work →

Mineral FactsPer litre · 9 of 11 values published

Basics

6.6

Total dissolved solids dry residue 180°C

4,774 mg/L

Minerals

Calcium

90 mg/L

Magnesium

11 mg/L

Sodium

1,708 mg/L

Potassium

110 mg/L

Other dissolved substances

Bicarbonate

4,368 mg/L

Sulfate

174 mg/L

Chloride

322 mg/L

Nitrate (NO₃)

—

Silica

—

— Not published by the brand · we never estimateSource: st-yorre.com – Source Royale, composition moyenne (undated) · checked 2026-10-26

Official: HCO3 4368, Na 1708, Cl 322, K 110, SO4 174, Ca 90, F <1.5, Mg 11 mg/L; dry extract 180 °C 4774 mg/L; pH 6.6. Very high sodium.

How it stands out

Highest tds of the 165 brands that publish a tds value (4,774 mg/L).
Highest sodium of the 195 brands that publish a sodium value (1,708 mg/L).
Highest potassium of the 155 brands that publish a potassium value (110 mg/L).
Highest bicarbonate of the 152 brands that publish a bicarbonate value (4,368 mg/L).

UK/EU label thresholds met

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

Rich in mineral salts (fixed residue > 1,500 mg/L)
Contains bicarbonate (> 600 mg/L)
Contains chloride (> 200 mg/L)
Contains sodium (> 200 mg/L)

Taste notes

No taste notes yet. Soon you will be able to say how St-Yorre 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

4.8/10

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

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Similar waters

Computed from published numbers only: the waters whose mineral values are closest to St-Yorre’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

Source	Source Royale, Saint-Yorre (Allier), Auvergne, France
Country	France · all waters from France
Water type	Natural mineral water · what this means
Still or sparkling	Sparkling
Data source	st-yorre.com – Source Royale, composition moyenne (undated) 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 St-Yorre 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.