← Back to summary See all parameters BEAUCHENE · Dompierre
EAUX DE NORMANDIE
Water safety Water safety Parameter Unfiltered tap water Allowed range Filtered Free Chlorinemg CL2/l 0.49 0.2 – 1 0.01 ▲ Total Chlorinemg CL2/l 0.53 No limit 0.11
General General Parameter Unfiltered tap water Allowed range Filtered TemperatureC 21 No limit 21 Hardnessmg CaCO3/l 80 80 – 459 80 Hardness fF 8 No limit 8 pH 7.9 6.5 – 9.5 7.9 TurbidityNTU 0.74 ≤ 4 0.074 ConductivityμS / cm 274 ≤ 2,500 274 TDSmg/l 175.4estimated 0 – 1,199 175.4 Alkalinitymg CaCO3/l 36 No limit 36 Bicarbonatemg HCO3/l 59Sampled May 2026 No limit 59
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 May 2026 ≤ 50 0.5 Fluoridemg F/l 0.2Sampled May 2026 ≤ 1.5 0.061 Mercuryμg Hg/l 0.05Sampled May 2026 ≤ 1 0.005 Nitritesmg NO2/l 0.01 ≤ 0.5 0.004 Nitratesmg NO3/l 18 ≤ 50 5.4
Minerals Minerals Parameter Unfiltered tap water Allowed range Filtered Magnesiummg/l 5.6Sampled May 2026 No limit 5.6 Calciummg/l 26Sampled May 2026 No limit 26 Potassiummg/l 2.4Sampled May 2026 No limit 2.4 Chloridemg/l 37 ≤ 250 37
Metals Metals Parameter Unfiltered tap water Allowed range Filtered Aluminiumμg/l 3.6Sampled May 2026 ≤ 200 3.6 Antimonyμg/l 0.5Sampled May 2026 ≤ 5 0.5 Arsenicμg/l 0.25Sampled May 2026 ≤ 10 0.13 Bariumμg/l 57Sampled May 2026 ≤ 1,000 57 Cadmiumμg/l 0.025Sampled May 2026 ≤ 5 0.025 Chromiumμg/l 1Sampled May 2026 ≤ 50 1 Ironμg/l 19 ≤ 200 19 Manganeseμg/l 26.5 ≤ 50 26.5 Leadμg/l Not reported ≤ 10 — Seleniumμg/l 0.5Sampled May 2026 ≤ 10 0.5 Sodiummg/l 19Sampled May 2026 ≤ 200 19
Chlorine by-products Chlorine by-products Parameter Unfiltered tap water Allowed range Filtered Trichloroethyleneμg/l 0.05Sampled May 2026 No limit 0.003 Total Trihalomethanesμg/l 13.7Sampled May 2026 ≤ 100 0.69
Haloacetic acids Haloacetic acids Parameter Unfiltered tap water Allowed range Filtered Total haloacetic acidsμg/l 2.66Sampled May 2026 ≤ 60 0.13
Pesticides Pesticides Parameter Unfiltered tap water Allowed range Filtered Heptachlorug/L 0.005Sampled May 2026 ≤ 0.4 0.005 Total pesticidesug/L 0Sampled May 2026 ≤ 0.5 0
Herbicides Herbicides Parameter Unfiltered tap water Allowed range Filtered D 2 4ug/L 0.02Sampled May 2026 ≤ 70 0.02 Atrazineug/L 0.01Sampled May 2026 ≤ 3 0.01
Perfluorinated chemicals Perfluorinated chemicals Parameter Unfiltered tap water Allowed range Filtered PFOAug/L 0.001Sampled May 2026 No limit 0.001 PFOSug/L 0.001Sampled May 2026 No limit 0.001 PFNAug/L 0.001Sampled May 2026 No limit 0.001 Total PFASug/L 0.001Sampled May 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 17 No limit 17 Uraniumug/L 0.1Sampled May 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.
