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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 0.07 No limit 0.014
General General Parameter Unfiltered tap water Allowed range Filtered TemperatureC 22.9 No limit 22.9 Hardnessmg CaCO3/l 146Sampled Jul 2026 80 – 459 146 Hardness fF 14.6Sampled Jul 2026 No limit 14.6 pH 7.9 6.5 – 9.5 7.9 TurbidityNTU 0.3 ≤ 4 0.03 ColorColor Units 5Sampled Jul 2026 ≤ 15 5 ConductivityμS / cm 480 ≤ 2,500 480 TDSmg/l 307.2estimated 0 – 1,199 307.2 Alkalinitymg CaCO3/l 98Sampled Jul 2026 No limit 98 Bicarbonatemg HCO3/l 109Sampled Jul 2026 No limit 109
Pathogens Pathogens Parameter Unfiltered tap water Allowed range Filtered ClostridiumUFC/100ml 0 ≤ 0 0 eColiUFC/100ml 0 ≤ 0 0 BacteriasNMP/100ml 0Sampled Jul 2026 ≤ 0 0 EnterococcusUFC/100ml 0 ≤ 0 0
Chemical parameters Chemical parameters Parameter Unfiltered tap water Allowed range Filtered Cyanide totalμg CN/l 5Sampled Mar 2026 ≤ 50 0.25 Fluoridemg F/l 0.077Sampled Mar 2026 ≤ 1.5 0.023 Mercuryμg Hg/l 0.01Sampled Mar 2026 ≤ 1 0.001 Nitritesmg NO2/l 0.01Sampled Jul 2026 ≤ 0.5 0.004 Nitratesmg NO3/l 20Sampled Jul 2026 ≤ 50 6
Minerals Minerals Parameter Unfiltered tap water Allowed range Filtered Magnesiummg/l 9.2Sampled Jul 2026 No limit 9.2 Calciummg/l 40.7Sampled Jul 2026 No limit 40.7 Potassiummg/l 4.8Sampled Jul 2026 No limit 4.8 Chloridemg/l 58.7Sampled Jul 2026 ≤ 250 58.7
Metals Metals Parameter Unfiltered tap water Allowed range Filtered Aluminiumμg/l 13Sampled Mar 2026 ≤ 200 13 Antimonyμg/l 0.1Sampled Mar 2026 ≤ 5 0.1 Arsenicμg/l 1.5Sampled Mar 2026 ≤ 10 0.75 Bariumμg/l 30Sampled Mar 2026 ≤ 1,000 30 Cadmiumμg/l 0.02Sampled Mar 2026 ≤ 5 0.02 Chromiumμg/l 0.5Sampled Mar 2026 ≤ 50 0.5 Copperμg/l 9.2Sampled Jun 2026 ≤ 2,000 0.46 Ironμg/l 5Sampled Jul 2026 ≤ 200 5 Manganeseμg/l 0.5Sampled Jul 2026 ≤ 50 0.5 Leadμg/l 0.4Sampled Jun 2026 ≤ 10 0.02 Nickelμg/l 1.9Sampled Jun 2026 ≤ 20 1.9 Seleniumμg/l 0.2Sampled Mar 2026 ≤ 10 0.2 Sodiummg/l 28.4Sampled Jul 2026 ≤ 200 28.4
Chlorine by-products Chlorine by-products Parameter Unfiltered tap water Allowed range Filtered Trichloroethyleneμg/l 0.1Sampled Mar 2026 No limit 0.005 Total Trihalomethanesμg/l 31Sampled Jun 2026 ≤ 100 1.55
Pesticides Pesticides Parameter Unfiltered tap water Allowed range Filtered Chlordaneug/L 0Sampled Mar 2026 ≤ 2 0 Heptachlorug/L 0.001Sampled Mar 2026 ≤ 0.4 0.001 Total pesticidesug/L 0Sampled Mar 2026 ≤ 0.5 0
Herbicides Herbicides Parameter Unfiltered tap water Allowed range Filtered D 2 4ug/L 0.02Sampled Mar 2026 ≤ 70 0.02 Atrazineug/L 0.01Sampled Mar 2026 ≤ 3 0.01
Perfluorinated chemicals Perfluorinated chemicals Parameter Unfiltered tap water Allowed range Filtered PFOAug/L 0.001Sampled Mar 2026 No limit 0.001 PFOSug/L 0.002Sampled Mar 2026 No limit 0.002 PFNAug/L 0.001Sampled Mar 2026 No limit 0.001 Total PFASug/L 0.003Sampled Mar 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 0.01Sampled Jul 2026 No limit 0.003 Sulfatemg/l 23Sampled Jul 2026 No limit 23 Uraniumug/L 0.1Sampled Mar 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.
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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.
