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EAUX DE NORMANDIE
Water safety Water safety Parameter Unfiltered tap water Allowed range Filtered Free Chlorinemg CL2/l 0.1 ● (Near the limit) 0.2 – 1 0.002 ▲ Total Chlorinemg CL2/l 0.25 No limit 0.05
General General Parameter Unfiltered tap water Allowed range Filtered TemperatureC 21 No limit 21 Hardnessmg CaCO3/l 352 80 – 459 352 Hardness fF 35.2 No limit 35.2 pH 7.3 6.5 – 9.5 7.3 TurbidityNTU 0.2 ≤ 4 0.02 ConductivityμS / cm 711 ≤ 2,500 711 TDSmg/l 455estimated 0 – 1,199 455 Alkalinitymg CaCO3/l 289 No limit 289 Bicarbonatemg HCO3/l 350Sampled Jul 2026 No limit 350
Pathogens Pathogens Parameter Unfiltered tap water Allowed range Filtered ClostridiumUFC/100ml 0Sampled Aug 2025 ≤ 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 Jul 2026 ≤ 50 0.5 Fluoridemg F/l 0.066Sampled Jul 2026 ≤ 1.5 0.02 Mercuryμg Hg/l 0.05Sampled Jul 2026 ≤ 1 0.005 Nitritesmg NO2/l 0.01 ≤ 0.5 0.004 Nitratesmg NO3/l 28 ≤ 50 8.4
Minerals Minerals Parameter Unfiltered tap water Allowed range Filtered Magnesiummg/l 4.2Sampled Jul 2026 No limit 4.2 Calciummg/l 140Sampled Jul 2026 No limit 140 Potassiummg/l 1.8Sampled Jul 2026 No limit 1.8 Chloridemg/l 22 ≤ 250 22
Metals Metals Parameter Unfiltered tap water Allowed range Filtered Aluminiumμg/l 2Sampled Jul 2026 ≤ 200 2 Antimonyμg/l 0.5Sampled Jul 2026 ≤ 5 0.5 Arsenicμg/l 1.7Sampled Jul 2026 ≤ 10 0.85 Bariumμg/l 1Sampled Jul 2026 ≤ 1,000 1 Cadmiumμg/l 0.025Sampled Jul 2026 ≤ 5 0.025 Chromiumμg/l 1Sampled Jul 2026 ≤ 50 1 Ironμg/l 3.5Sampled Jul 2026 ≤ 200 3.5 Manganeseμg/l 1Sampled Jul 2026 ≤ 50 1 Leadμg/l Not reported ≤ 10 — Seleniumμg/l 0.74Sampled Jul 2026 ≤ 10 0.74 Sodiummg/l 6.8Sampled Jul 2026 ≤ 200 6.8
Chlorine by-products Chlorine by-products Parameter Unfiltered tap water Allowed range Filtered Trichloroethyleneμg/l 0.05Sampled Jul 2026 No limit 0.003 Total Trihalomethanesμg/l 6.9Sampled Jul 2026 ≤ 100 0.35
Haloacetic acids Haloacetic acids Parameter Unfiltered tap water Allowed range Filtered Total haloacetic acidsμg/l 0.58Sampled Jul 2026 ≤ 60 0.029
Pesticides Pesticides Parameter Unfiltered tap water Allowed range Filtered Heptachlorug/L 0.005Sampled Jul 2026 ≤ 0.4 0.005 Total pesticidesug/L 0.4 ● (Near the limit) Sampled Jul 2026 ≤ 0.5 0.4 ●
Herbicides Herbicides Parameter Unfiltered tap water Allowed range Filtered D 2 4ug/L 0.02Sampled Jul 2026 ≤ 70 0.02 Atrazineug/L 0.01Sampled Jul 2026 ≤ 3 0.01
Perfluorinated chemicals Perfluorinated chemicals Parameter Unfiltered tap water Allowed range Filtered PFOAug/L 0.001Sampled Jul 2026 No limit 0.001 PFOSug/L 0.001Sampled Jul 2026 No limit 0.001 PFNAug/L 0.001Sampled Jul 2026 No limit 0.001 Total PFASug/L 0Sampled Jul 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 0.05 No limit 0.015 Sulfatemg/l 30 No limit 30 Uraniumug/L 0.56Sampled Jul 2026 No limit 0.56
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.
