← Back to summary See all parameters BERTRANDS · Saint-Pierre-de-Méaroz
MAIRIE DE NANTES-EN-RATTIER
Water safety Water safety Parameter Unfiltered tap water Allowed range Filtered Free Chlorinemg CL2/l 0.05 ● (Near the limit) 0.2 – 1 0.001 ▲ Total Chlorinemg CL2/l 0.05 No limit 0.01
General General Parameter Unfiltered tap water Allowed range Filtered TemperatureC 18.5 No limit 18.5 Hardnessmg CaCO3/l 203.9Sampled Jul 2026 80 – 459 203.9 Hardness fF 20.4Sampled Jul 2026 No limit 20.4 pH 7.8 6.5 – 9.5 7.8 TurbidityNTU 0.1 ≤ 4 0.01 ColorColor Units 5 ≤ 15 5 ConductivityμS / cm 392 ≤ 2,500 392 TDSmg/l 250.9estimated 0 – 1,199 250.9 Alkalinitymg CaCO3/l 206.5Sampled Jul 2026 No limit 206.5
Pathogens Pathogens Parameter Unfiltered tap water Allowed range Filtered ClostridiumUFC/100ml 0 ≤ 0 0 eColiUFC/100ml 0 ≤ 0 0 BacteriasNMP/100ml 5 ≤ 0 0.5 EnterococcusUFC/100ml 0 ≤ 0 0
Chemical parameters Chemical parameters Parameter Unfiltered tap water Allowed range Filtered Mercuryμg Hg/l Not reported ≤ 1 — Nitritesmg NO2/l 0.01Sampled Jul 2026 ≤ 0.5 0.004 Nitratesmg NO3/l 0.5Sampled Jul 2026 ≤ 50 0.15
Minerals Minerals Parameter Unfiltered tap water Allowed range Filtered Chloridemg/l 0.9Sampled Jul 2026 ≤ 250 0.9
Metals Metals Parameter Unfiltered tap water Allowed range Filtered Arsenicμg/l Not reported ≤ 10 — Leadμg/l Not reported ≤ 10 —
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 Jul 2026 No limit 0.003 Sulfatemg/l 17.9Sampled Jul 2026 No limit 17.9
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.
