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EAUX DE NORMANDIE
Water safety Water safety Parameter Unfiltered tap water Allowed range Filtered Free Chlorinemg CL2/l 0.08 ● (Near the limit) 0.2 – 1 0.002 ▲ Total Chlorinemg CL2/l 0.14 No limit 0.028
General General Parameter Unfiltered tap water Allowed range Filtered TemperatureC 24 No limit 24 Hardnessmg CaCO3/l 328 80 – 459 328 Hardness fF 32.8 No limit 32.8 pH 7.4 6.5 – 9.5 7.4 TurbidityNTU 0.2 ≤ 4 0.02 ConductivityμS / cm 634 ≤ 2,500 634 TDSmg/l 405.8estimated 0 – 1,199 405.8 Alkalinitymg CaCO3/l 296 No limit 296 Bicarbonatemg HCO3/l 354Sampled Jun 2026 No limit 354
Pathogens Pathogens Parameter Unfiltered tap water Allowed range Filtered 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 Jun 2026 ≤ 50 0.5 Fluoridemg F/l 0.088Sampled Jun 2026 ≤ 1.5 0.026 Mercuryμg Hg/l 0.05Sampled Jun 2026 ≤ 1 0.005 Nitritesmg NO2/l 0.01 ≤ 0.5 0.004 Nitratesmg NO3/l 0.5 ≤ 50 0.15
Minerals Minerals Parameter Unfiltered tap water Allowed range Filtered Magnesiummg/l 7Sampled Jun 2026 No limit 7 Calciummg/l 120Sampled Jun 2026 No limit 120 Potassiummg/l 1.6Sampled Jun 2026 No limit 1.6 Chloridemg/l 17 ≤ 250 17
Metals Metals Parameter Unfiltered tap water Allowed range Filtered Aluminiumμg/l 2Sampled Jun 2026 ≤ 200 2 Antimonyμg/l 0.5Sampled Jun 2026 ≤ 5 0.5 Arsenicμg/l 0.53Sampled Jun 2026 ≤ 10 0.27 Bariumμg/l 16Sampled Jun 2026 ≤ 1,000 16 Cadmiumμg/l 0.025Sampled Jun 2026 ≤ 5 0.025 Chromiumμg/l 1Sampled Jun 2026 ≤ 50 1 Ironμg/l 15.6 ≤ 200 15.6 Manganeseμg/l 1 ≤ 50 1 Leadμg/l Not reported ≤ 10 — Seleniumμg/l 0.5Sampled Jun 2026 ≤ 10 0.5 Sodiummg/l 6.1Sampled Jun 2026 ≤ 200 6.1
Chlorine by-products Chlorine by-products Parameter Unfiltered tap water Allowed range Filtered Trichloroethyleneμg/l 0.05Sampled Jun 2026 No limit 0.003 Total Trihalomethanesμg/l 16.4Sampled Jun 2026 ≤ 100 0.82
Haloacetic acids Haloacetic acids Parameter Unfiltered tap water Allowed range Filtered Total haloacetic acidsμg/l 0.77Sampled Jun 2026 ≤ 60 0.039
Pesticides Pesticides Parameter Unfiltered tap water Allowed range Filtered Heptachlorug/L 0.005Sampled Jun 2026 ≤ 0.4 0.005 Total pesticidesug/L 0Sampled Jun 2026 ≤ 0.5 0
Herbicides Herbicides Parameter Unfiltered tap water Allowed range Filtered D 2 4ug/L 0.02Sampled Jun 2026 ≤ 70 0.02 Atrazineug/L 0.01Sampled Jun 2026 ≤ 3 0.01
Perfluorinated chemicals Perfluorinated chemicals Parameter Unfiltered tap water Allowed range Filtered PFOAug/L 0.001Sampled Jun 2026 No limit 0.001 PFOSug/L 0.001Sampled Jun 2026 No limit 0.001 PFNAug/L 0.001Sampled Jun 2026 No limit 0.001 Total PFASug/L 0Sampled Jun 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 28 No limit 28 Uraniumug/L 0.1Sampled Jun 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.
