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MAIRIE DE MAYRES-SAVEL
Water safety Water safety Parameter Unfiltered tap water Allowed range Filtered Free Chlorinemg CL2/l 0.05 ● (Near the limit) Sampled Mar 2026 0.2 – 1 0.001 ▲ Total Chlorinemg CL2/l 0.05Sampled Mar 2026 No limit 0.01
General General Parameter Unfiltered tap water Allowed range Filtered TemperatureC 24.2 No limit 24.2 Hardnessmg CaCO3/l 709.6 ▲ (Outside the range) Sampled Mar 2026 80 – 459 709.6 ▲ Hardness fF 71Sampled Mar 2026 No limit 71 pH 7.6Sampled Mar 2026 6.5 – 9.5 7.6 TurbidityNTU 0.43Sampled Mar 2026 ≤ 4 0.043 ColorColor Units 5Sampled Mar 2026 ≤ 15 5 ConductivityμS / cm 1,196Sampled Mar 2026 ≤ 2,500 1,196 TDSmg/l 765.4Sampled Mar 2026 estimated 0 – 1,199 765.4 Alkalinitymg CaCO3/l 218.5Sampled Mar 2026 No limit 218.5
Pathogens Pathogens Parameter Unfiltered tap water Allowed range Filtered ClostridiumUFC/100ml 0Sampled Mar 2026 ≤ 0 0 eColiUFC/100ml 0Sampled Mar 2026 ≤ 0 0 BacteriasNMP/100ml 3Sampled Mar 2026 ≤ 0 0.3 EnterococcusUFC/100ml 0Sampled Mar 2026 ≤ 0 0
Chemical parameters Chemical parameters Parameter Unfiltered tap water Allowed range Filtered Mercuryμg Hg/l Not reported ≤ 1 — Nitritesmg NO2/l 0.01Sampled Mar 2026 ≤ 0.5 0.004 Nitratesmg NO3/l 4.9Sampled Mar 2026 ≤ 50 1.47
Minerals Minerals Parameter Unfiltered tap water Allowed range Filtered Magnesiummg/l 39.9Sampled Dec 2025 No limit 39.9 Calciummg/l 224Sampled Dec 2025 No limit 224 Chloridemg/l 4.9Sampled Mar 2026 ≤ 250 4.9
Metals Metals Parameter Unfiltered tap water Allowed range Filtered Arsenicμg/l Not reported ≤ 10 — Copperμg/l 10 ≤ 2,000 0.5 Ironμg/l 11Sampled Dec 2025 ≤ 200 11 Leadμg/l 2 ≤ 10 0.1 Nickelμg/l 5 ≤ 20 5
Perfluorinated chemicals Perfluorinated chemicals Parameter Unfiltered tap water Allowed range Filtered Total PFASug/L Not reported ≤ 0.1 — PFAS 4ng/l Not reported No limit — PFAS 21ng/l Not reported No limit —
Other Other Parameter Unfiltered tap water Allowed range Filtered Ammoniamg/l 0.01Sampled Mar 2026 No limit 0.003 Sulfatemg/l 470Sampled Mar 2026 No limit 470
Data from the French health inspection of drinking water (Ministry of Health, regional health agencies), per distribution unit. Quality ranges are based on WHO guidelines, EU Directive 2020/2184 and the French public health code.
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Data from the French health inspection of drinking water (Ministry of Health, regional health agencies), per distribution unit. Quality ranges are based on WHO guidelines, EU Directive 2020/2184 and the French public health code.
