← Back to summary See all parameters ZD MOULIN A TAN · Mont-Ormel
CEO - ARGENTAN
Water safety Water safety Parameter Unfiltered tap water Allowed range Filtered Free Chlorinemg CL2/l 0.13 ● (Near the limit) 0.2 – 1 0.003 ▲ Total Chlorinemg CL2/l 0.16 No limit 0.032
General General Parameter Unfiltered tap water Allowed range Filtered TemperatureC 23 No limit 23 Hardnessmg CaCO3/l 333 80 – 459 333 Hardness fF 33.3 No limit 33.3 pH 7.5 6.5 – 9.5 7.5 TurbidityNTU 0.2 ≤ 4 0.02 ConductivityμS / cm 682 ≤ 2,500 682 TDSmg/l 436.5estimated 0 – 1,199 436.5 Alkalinitymg CaCO3/l 280 No limit 280 Bicarbonatemg HCO3/l 342Sampled May 2026 No limit 342
Pathogens Pathogens Parameter Unfiltered tap water Allowed range Filtered ClostridiumUFC/100ml 0Sampled Mar 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 May 2026 ≤ 50 0.5 Fluoridemg F/l 0.084Sampled May 2026 ≤ 1.5 0.025 Mercuryμg Hg/l 0.05Sampled May 2026 ≤ 1 0.005 Nitritesmg NO2/l 0.01 ≤ 0.5 0.004 Nitratesmg NO3/l 4.6 ≤ 50 1.38
Minerals Minerals Parameter Unfiltered tap water Allowed range Filtered Magnesiummg/l 3.5Sampled May 2026 No limit 3.5 Calciummg/l 130Sampled May 2026 No limit 130 Potassiummg/l 3.1Sampled May 2026 No limit 3.1 Chloridemg/l 21 ≤ 250 21
Metals Metals Parameter Unfiltered tap water Allowed range Filtered Aluminiumμg/l 2Sampled May 2026 ≤ 200 2 Antimonyμg/l 0.5Sampled May 2026 ≤ 5 0.5 Arsenicμg/l 0.75Sampled May 2026 ≤ 10 0.38 Bariumμg/l 62Sampled May 2026 ≤ 1,000 62 Cadmiumμg/l 0.025Sampled May 2026 ≤ 5 0.025 Chromiumμg/l 1Sampled May 2026 ≤ 50 1 Ironμg/l 3.1 ≤ 200 3.1 Manganeseμg/l 1.2Sampled May 2026 ≤ 50 1.2 Leadμg/l Not reported ≤ 10 — Seleniumμg/l 0.5Sampled May 2026 ≤ 10 0.5 Sodiummg/l 9.7Sampled May 2026 ≤ 200 9.7
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 12.8Sampled May 2026 ≤ 100 0.64
Haloacetic acids Haloacetic acids Parameter Unfiltered tap water Allowed range Filtered Total haloacetic acidsμg/l 3.45Sampled May 2026 ≤ 60 0.17
Pesticides Pesticides Parameter Unfiltered tap water Allowed range Filtered Heptachlorug/L 0.005Sampled May 2026 ≤ 0.4 0.005 Total pesticidesug/L 0.023Sampled May 2026 ≤ 0.5 0.023
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 0Sampled 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 49 No limit 49 Uraniumug/L 1.8Sampled May 2026 No limit 1.8
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.
