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Tesco British Natural Mineral Water

Tesco's own-label British natural mineral water comes from a deep borehole at Elmhurst near Lichfield in Staffordshire. — as described by the brand

9.4/10Waterphile Score9/9 properties published

pH7.7 ideal 6.5–8.510.0
TDS228 mg/L ideal 225–500 mg/L9.1
Sodium6 mg/L ideal up to 20 mg/L10.0
Calcium36 mg/L ideal 36.7–80 mg/L · counts half8.8
Magnesium11.4 mg/L ideal 16.7–30 mg/L · counts half6.0
Sulfate7 mg/L ideal up to 248 mg/L10.0
Chloride11 mg/L ideal up to 250 mg/L10.0
Nitrate8 mg/L ideal up to 10 mg/L10.0
Bicarbonate140 mg/L ideal 30–396.6 mg/L · counts half10.0

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

Mineral FactsPer litre · 10 of 11 values published

Basics

7.7

Total dissolved solids dry residue 180°C

228 mg/L

Minerals

Calcium

36 mg/L

Magnesium

11.4 mg/L

Sodium

6 mg/L

Potassium

2.6 mg/L

Other dissolved substances

Bicarbonate

140 mg/L

Sulfate

7 mg/L

Chloride

11 mg/L

Nitrate (NO₃)

8 mg/L

Silica

—

— Not published by the brand · we never estimateSource: Tesco product page (brand owner's own label), British Natural Mineral Water Still 2L – typical values per litre · checked 2026-10-26

Own-label page of the brand owner (same treatment as the ASDA, Sainsbury's and Waitrose own labels): Ca 36, Mg 11.4, K 2.6, Na 6, HCO3 140, SO4 7, NO3 8, Cl 11, dry residue 180°C 228 mg/L, pH 7.7 at source.

How it stands out

Sodium is 6 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.

Low mineral content (fixed residue ≤ 500 mg/L)
Suitable for a low-sodium diet (sodium < 20 mg/L)

Taste notes

No taste notes yet. Soon you will be able to say how Tesco British Natural Mineral Water 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

9.4/10

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 Tesco British Natural Mineral Water’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	Elmhurst, near Lichfield (Staffordshire), England – borehole about 250 m deep
Country	UK (England) · all waters from the UK
Water type	Natural mineral water · what this means
Still or sparkling	Still
Data source	Tesco product page (brand owner's own label), British Natural Mineral Water Still 2L – typical values per litre 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 Tesco British Natural Mineral Water 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.