← Back to summary See all parameters NIAFLES · Marigné-Peuton
CC DU PAYS DE CRAON
Water safety Water safety Parameter Unfiltered tap water Allowed range Filtered Free Chlorinemg CL2/l 0.52 0.2 – 1 0.01 ▲ Total Chlorinemg CL2/l 0.67 No limit 0.13
General General Parameter Unfiltered tap water Allowed range Filtered TemperatureC 22.8 No limit 22.8 Hardnessmg CaCO3/l 142 80 – 459 142 Hardness fF 14.2 No limit 14.2 pH 7.5 6.5 – 9.5 7.5 TurbidityNTU 0.3 ≤ 4 0.03 ColorColor Units 5 ≤ 15 5 ConductivityμS / cm 496 ≤ 2,500 496 TDSmg/l 317.4estimated 0 – 1,199 317.4 Alkalinitymg CaCO3/l 101 No limit 101
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 5.6 ≤ 50 1.68
Minerals Minerals Parameter Unfiltered tap water Allowed range Filtered Chloridemg/l 75.8 ≤ 250 75.8
Metals Metals Parameter Unfiltered tap water Allowed range Filtered Arsenicμg/l Not reported ≤ 10 — Copperμg/l 11.9 ≤ 2,000 0.6 Ironμg/l 7 ≤ 200 7 Manganeseμg/l 0.5 ≤ 50 0.5 Leadμg/l 0.6 ≤ 10 0.03 Nickelμg/l 1.5 ≤ 20 1.5
Chlorine by-products Chlorine by-products Parameter Unfiltered tap water Allowed range Filtered Total Trihalomethanesμg/l 47 ≤ 100 2.35
Haloacetic acids Haloacetic acids Parameter Unfiltered tap water Allowed range Filtered Total haloacetic acidsμg/l 11 ≤ 60 0.55
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 20.6 No limit 20.6
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.
