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CC DU PAYS DE CRAON
Water safety Water safety Parameter Unfiltered tap water Allowed range Filtered Free Chlorinemg CL2/l 0.19 ● (Near the limit) 0.2 – 1 0.004 ▲ Total Chlorinemg CL2/l 0.32 No limit 0.064
General General Parameter Unfiltered tap water Allowed range Filtered TemperatureC 22.2 No limit 22.2 Hardnessmg CaCO3/l 147 80 – 459 147 Hardness fF 14.7 No limit 14.7 pH 7.7 6.5 – 9.5 7.7 TurbidityNTU 0.3 ≤ 4 0.03 ColorColor Units 5 ≤ 15 5 ConductivityμS / cm 488 ≤ 2,500 488 TDSmg/l 312.3estimated 0 – 1,199 312.3 Alkalinitymg CaCO3/l 98 No limit 98 Bicarbonatemg HCO3/l 106Sampled Jul 2026 No limit 106
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 Cyanide totalμg CN/l 5Sampled Apr 2026 ≤ 50 0.25 Fluoridemg F/l 0.074Sampled Apr 2026 ≤ 1.5 0.022 Mercuryμg Hg/l 0.01Sampled Apr 2026 ≤ 1 0.001 Nitritesmg NO2/l 0.01 ≤ 0.5 0.004 Nitratesmg NO3/l 20 ≤ 50 6
Minerals Minerals Parameter Unfiltered tap water Allowed range Filtered Magnesiummg/l 9.7Sampled Jul 2026 No limit 9.7 Calciummg/l 39Sampled Jul 2026 No limit 39 Potassiummg/l 4.8Sampled Jul 2026 No limit 4.8 Chloridemg/l 64.7 ≤ 250 64.7
Metals Metals Parameter Unfiltered tap water Allowed range Filtered Aluminiumμg/l 10Sampled Apr 2026 ≤ 200 10 Antimonyμg/l 0.1Sampled Apr 2026 ≤ 5 0.1 Arsenicμg/l 1.7Sampled Apr 2026 ≤ 10 0.85 Bariumμg/l 33Sampled Apr 2026 ≤ 1,000 33 Cadmiumμg/l 0.032Sampled Apr 2026 ≤ 5 0.032 Chromiumμg/l 0.6Sampled Apr 2026 ≤ 50 0.6 Copperμg/l 181Sampled May 2026 ≤ 2,000 9.05 Ironμg/l 12 ≤ 200 12 Manganeseμg/l 1 ≤ 50 1 Leadμg/l 0.9Sampled May 2026 ≤ 10 0.045 Nickelμg/l 4.9Sampled Jul 2026 ≤ 20 4.9 Seleniumμg/l 0.2Sampled Apr 2026 ≤ 10 0.2 Sodiummg/l 28.6Sampled Jul 2026 ≤ 200 28.6
Chlorine by-products Chlorine by-products Parameter Unfiltered tap water Allowed range Filtered Trichloroethyleneμg/l 0.1Sampled Apr 2026 No limit 0.005 Total Trihalomethanesμg/l 31Sampled May 2026 ≤ 100 1.55
Pesticides Pesticides Parameter Unfiltered tap water Allowed range Filtered Chlordaneug/L 0Sampled Apr 2026 ≤ 2 0 Heptachlorug/L 0.001Sampled Apr 2026 ≤ 0.4 0.001 Total pesticidesug/L 0Sampled Apr 2026 ≤ 0.5 0
Herbicides Herbicides Parameter Unfiltered tap water Allowed range Filtered D 2 4ug/L 0.02Sampled Apr 2026 ≤ 70 0.02 Atrazineug/L 0.01Sampled Apr 2026 ≤ 3 0.01
Perfluorinated chemicals Perfluorinated chemicals Parameter Unfiltered tap water Allowed range Filtered PFOAug/L 0.001Sampled Apr 2026 No limit 0.001 PFOSug/L 0.002Sampled Apr 2026 No limit 0.002 PFNAug/L 0.001Sampled Apr 2026 No limit 0.001 Total PFASug/L 0.001Sampled Apr 2026 ≤ 0.1 0 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 27.5 No limit 27.5 Uraniumug/L 0.1Sampled Apr 2026 No limit 0.1
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.
Your Water Quality
Independent information about tap water quality in France.
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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.
