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MAIRIE DE MERIGNAT
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 24.1 No limit 24.1 Hardnessmg CaCO3/l 272.9 80 – 459 272.9 Hardness fF 27.3 No limit 27.3 pH 7.4 6.5 – 9.5 7.4 TurbidityNTU 0.18 ≤ 4 0.018 ColorColor Units 5 ≤ 15 5 ConductivityμS / cm 513 ≤ 2,500 513 TDSmg/l 328.3estimated 0 – 1,199 328.3 Alkalinitymg CaCO3/l 290.5 No limit 290.5
Pathogens Pathogens Parameter Unfiltered tap water Allowed range Filtered ClostridiumUFC/100ml 0 ≤ 0 0 eColiUFC/100ml 0 ≤ 0 0 BacteriasNMP/100ml 0 ≤ 0 0 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 0.01 ≤ 0.5 0.004 Nitratesmg NO3/l 5.3 ≤ 50 1.59
Minerals Minerals Parameter Unfiltered tap water Allowed range Filtered Magnesiummg/l 2.1 No limit 2.1 Calciummg/l 105.7 No limit 105.7 Chloridemg/l 1.5 ≤ 250 1.5
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 0.01 No limit 0.003 Sulfatemg/l 6.2 No limit 6.2
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.
