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Mayday Emergency Drinking Water
Mayday Emergency Drinking Water is pouch and can water for emergency kits, made by Mayday Industries (Ready America) from Vista, California municipal water purified by reverse osmosis and ozonated. — as described by the brand
- pH6.3 ideal 6.5–8.58.1
- TDSND mg/L ideal 225–500 mg/L5.0
- Sodium2 mg/L ideal up to 20 mg/L10.0
- CalciumND mg/L ideal 36.7–80 mg/L · counts half5.0
- MagnesiumND mg/L ideal 16.7–30 mg/L · counts half5.0
- SulfateND mg/L ideal up to 248 mg/L10.0
- ChlorideND mg/L ideal up to 250 mg/L10.0
- Nitrate0.79686 mg/L as N ideal up to 10 mg/L10.0
- BicarbonateND mg/L ideal 30–396.6 mg/L · counts half5.0
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 →
2018 report: pH 6.3, sodium 2.0 mg/L, nitrate-N 0.18 mg/L; TDS, calcium, magnesium, potassium, bicarbonate, chloride, sulfate, fluoride and hardness ND. Analysis over 3 years old.
How it stands out
- Sodium is 2 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 Mayday Emergency Drinking 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
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Similar waters
Not enough published values yet. Mayday Emergency Drinking Water publishes 1 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 | Vista Irrigation District water, Mayday Industries (Ready America), Vista, California |
|---|---|
| Country | USA · all waters from the USA |
| Water type | Purified water · what this means |
| Still or sparkling | Still |
| Data source | Mayday Industries 2018 Bottled Water Quality Report (hosted by Consumer Reports) Last checked 2026-10-26 |
USABrands 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
We have not confirmed an official website for this brand yet. 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.