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Proud Source
Proud Source sells naturally alkaline spring water in aluminium bottles, from springs in Idaho and Florida. — as described by the brand
- pH7.8–8.5 ideal 6.5–8.5 · varies by source9.0
- TDS152–167 mg/L ideal 225–500 mg/L · varies by source7.1
- SodiumNot published −0.1—
- Calcium42–51 mg/L ideal 36.7–80 mg/L · varies by source · counts half9.7
- Magnesium1.6–6.8 mg/L ideal 16.7–30 mg/L · varies by source · counts half5.0
- SulfateNot published −0.1—
- Chloride4.1–4.6 mg/L ideal up to 250 mg/L · varies by source10.0
- NitrateNot published −0.1—
- Bicarbonate98–145 mg/L ideal 30–396.6 mg/L · varies by source · counts half10.0
Each bar is out of 10 for that property. Needs at least 5 of 9 properties, including sodium and pH or TDS. Editorial score, not a health rating. How scores work →
Source kind: retailer listing of the label. The label ranges cover both springs. The brand's own product page (https://proudsourcewater.com/products/alkaline-spring-water) gives pH '+/- 8.1 - 8.5' and TDS 152-166.8. Its 'Water Quality Report' page shows no report (only images), checked live and in the Oct 2025 archive copy. Sodium, sulfate and nitrate are not on the label, so it stays 'Not enough data' (sodium is required). A 2022 lab report is only on a third-party site (Oasis) and was not used.
Taste notes
No taste notes yet. Soon you will be able to say how Proud Source 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
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Similar waters
Not enough published values yet. Proud Source publishes 0 of the 9 mineral values we use as single numbers (the rest are ranges, “not detected” or not published). We need at least 5 in common with another water to compare profiles.
Source & spring
| Source | Mackay Springs, Custer County, Idaho and Waddell Springs, Jackson County, Florida |
|---|---|
| Country | USA · all waters from the USA |
| Water type | Spring water · what this means |
| US label wording | Natural alkaline spring water (label wording) |
| Still or sparkling | Still |
| Data source | Proud Source label text 'Naturally Occurring Minerals & Electrolytes mg/L' as shown on the Safeway product listing Last checked 2026-10-25 |
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 Proud Source 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.