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Otakiri Springs

Otakiri Springs is an artesian water from the deep Otakiri aquifer near Whakatāne in the Bay of Plenty, naturally high in silica. — as described by the brand

7.6/10Waterphile Score6/9 properties published
  • pH6.9 ideal 6.5–8.59.6
  • TDS120 mg/L ideal 225–500 mg/L5.9
  • Sodium12.3 mg/L ideal up to 20 mg/L10.0
  • Calcium3.8 mg/L ideal 36.7–80 mg/L · counts half5.0
  • Magnesium2.1 mg/L ideal 16.7–30 mg/L · counts half5.0
  • SulfateNot published −0.1—
  • ChlorideNot published −0.1—
  • NitrateNot published −0.1—
  • Bicarbonate40 mg/L ideal 30–396.6 mg/L · counts half10.0

Each bar is out of 10 for that property. Deductions: −0.3 for missing values. Editorial score, not a health rating. How scores work →

Mineral FactsPer litre · 8 of 11 values published
Basics
pH
6.9
Total dissolved solids TDS
120 mg/L
Minerals
Calcium
3.8 mg/L
Magnesium
2.1 mg/L
Sodium
12.3 mg/L
Potassium
3.9 mg/L
Other dissolved substances
Bicarbonate
40 mg/L
Sulfate
—
Chloride
—
Nitrate (NO₃)
—
Silica
74 mg/L
— Not published by the brand · we never estimateSource: otakirisprings.co.nz, Water quality analysis: Hills Laboratories 2025 results (with 2024 and older results) · checked 2026-10-26

Hills Laboratories 2025 results: bicarbonate 40, calcium 3.8, magnesium 2.1, reactive silica 74, sodium 12.3, potassium 3.9, TDS 120 mg/L, total hardness 17.9 mg/L as CaCO3, pH 6.9. The 2024 results (in the research file) are within about 5%. No sulfate, chloride or nitrate published.

How it stands out

  1. Sodium is 12.3 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 Otakiri Springs 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

7.6/10

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

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Similar waters

  1. 1SmithwaterArtesian water · Still · New Zealand Calcium3.7Magnesium2.1Sodium11.8Bicarbonate40Compared on 7 shared values
  2. 2AntipodesArtesian water · Still · New Zealand Calcium3.5Magnesium1.8Sodium11Compared on 5 shared values
  3. 3aQuelléSpring water · Still · South Africa Calcium4Magnesium2Sodium9Compared on 5 shared values
  4. 4EssentiaPurified water · Still · USA Magnesium1.42Sodium15Bicarbonate33.55Compared on 5 shared values

Computed from published numbers only: the waters whose mineral values are closest to Otakiri Springs’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

SourceOtakiri aquifer, Johnson Road, Whakatāne, Bay of Plenty, New Zealand
CountryNew Zealand · all waters from New Zealand
Water typeArtesian water · what this means
Still or sparklingStill
Data sourceotakirisprings.co.nz, Water quality analysis: Hills Laboratories 2025 results (with 2024 and older results)
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 Otakiri Springs 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.