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EAUX DE NORMANDIE
Water safety Water safety Parameter Unfiltered tap water Allowed range Filtered Free Chlorinemg CL2/l 0.35 0.2 – 1 0.007 ▲ Total Chlorinemg CL2/l 0.35 No limit 0.07
General General Parameter Unfiltered tap water Allowed range Filtered TemperatureC 22 No limit 22 Hardnessmg CaCO3/l 304 80 – 459 304 Hardness fF 30.4 No limit 30.4 pH 7 6.5 – 9.5 7 TurbidityNTU 0.1 ≤ 4 0.01 ConductivityμS / cm 648 ≤ 2,500 648 TDSmg/l 414.7estimated 0 – 1,199 414.7 Alkalinitymg CaCO3/l 282 No limit 282
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 10Sampled Apr 2025 ≤ 50 0.5 Fluoridemg F/l 0.1Sampled Apr 2025 ≤ 1.5 0.03 Mercuryμg Hg/l 0.05Sampled Apr 2025 ≤ 1 0.005 Nitritesmg NO2/l 0.01 ≤ 0.5 0.004 Nitratesmg NO3/l 25.4 ≤ 50 7.62
Minerals Minerals Parameter Unfiltered tap water Allowed range Filtered Magnesiummg/l 3.5Sampled Apr 2025 No limit 3.5 Calciummg/l 125Sampled Apr 2025 No limit 125 Potassiummg/l 1.7Sampled Apr 2025 No limit 1.7 Chloridemg/l 17.8 ≤ 250 17.8
Metals Metals Parameter Unfiltered tap water Allowed range Filtered Aluminiumμg/l 2Sampled Apr 2025 ≤ 200 2 Antimonyμg/l 0.5Sampled Sept 2025 ≤ 5 0.5 Arsenicμg/l 0.5Sampled Apr 2025 ≤ 10 0.25 Bariumμg/l 23.8Sampled Apr 2025 ≤ 1,000 23.8 Cadmiumμg/l 0.1Sampled Sept 2025 ≤ 5 0.1 Chromiumμg/l 1.3Sampled Sept 2025 ≤ 50 1.3 Copperμg/l 96.7Sampled Jun 2026 ≤ 2,000 4.84 Ironμg/l 12.7Sampled Sept 2025 ≤ 200 12.7 Manganeseμg/l 0.5Sampled Apr 2025 ≤ 50 0.5 Leadμg/l 3.4Sampled Jun 2026 ≤ 10 0.17 Nickelμg/l 0.68Sampled Jun 2026 ≤ 20 0.68 Seleniumμg/l 2Sampled Apr 2025 ≤ 10 2 Sodiummg/l 8Sampled Apr 2025 ≤ 200 8
Chlorine by-products Chlorine by-products Parameter Unfiltered tap water Allowed range Filtered Trichloroethyleneμg/l 0.05Sampled Mar 2026 No limit 0.003 Total Trihalomethanesμg/l 11.1Sampled Mar 2026 ≤ 100 0.56
Pesticides Pesticides Parameter Unfiltered tap water Allowed range Filtered Heptachlorug/L 0.005Sampled Apr 2025 ≤ 0.4 0.005 Total pesticidesug/L 0.18Sampled Apr 2025 ≤ 0.5 0.18
Herbicides Herbicides Parameter Unfiltered tap water Allowed range Filtered D 2 4ug/L 0.02Sampled Apr 2025 ≤ 70 0.02 Atrazineug/L 0.01Sampled Apr 2025 ≤ 3 0.01
Perfluorinated chemicals Perfluorinated chemicals Parameter Unfiltered tap water Allowed range Filtered PFOAug/L 0.001Sampled Apr 2025 No limit 0.001 PFOSug/L 0.001Sampled Apr 2025 No limit 0.001 PFNAug/L 0.001Sampled Apr 2025 No limit 0.001 Total PFASug/L 0Sampled Apr 2025 ≤ 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 0.02 No limit 0.006 Sulfatemg/l 9.03 No limit 9.03
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.
