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CC DU PAYS DE CRAON
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 5 No limit 1
General General Parameter Unfiltered tap water Allowed range Filtered TemperatureC 26 No limit 26 Hardnessmg CaCO3/l 138 80 – 459 138 Hardness fF 13.8 No limit 13.8 pH 7.8 6.5 – 9.5 7.8 TurbidityNTU 0.3 ≤ 4 0.03 ColorColor Units 5 ≤ 15 5 ConductivityμS / cm 493 ≤ 2,500 493 TDSmg/l 315.5estimated 0 – 1,199 315.5 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 5.1 ≤ 50 1.53
Minerals Minerals Parameter Unfiltered tap water Allowed range Filtered Chloridemg/l 75.2 ≤ 250 75.2
Metals Metals Parameter Unfiltered tap water Allowed range Filtered Antimonyμg/l 0.2Sampled Oct 2025 ≤ 5 0.2 Arsenicμg/l Not reported ≤ 10 — Cadmiumμg/l 0.01Sampled Oct 2025 ≤ 5 0.01 Chromiumμg/l 0.5Sampled Oct 2025 ≤ 50 0.5 Copperμg/l 24.9Sampled Oct 2025 ≤ 2,000 1.25 Ironμg/l 4 ≤ 200 4 Manganeseμg/l 0.5 ≤ 50 0.5 Leadμg/l 0.2Sampled Oct 2025 ≤ 10 0.01 Nickelμg/l 1.4Sampled Oct 2025 ≤ 20 1.4
Chlorine by-products Chlorine by-products Parameter Unfiltered tap water Allowed range Filtered Total Trihalomethanesμg/l 51 ≤ 100 2.55
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 22.3 No limit 22.3
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.
