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S.A. RUAS MICHEL GROUPE VEOLIA
Water safety Water safety Parameter Unfiltered tap water Allowed range Filtered Free Chlorinemg CL2/l 0.33 0.2 – 1 0.007 ▲ Total Chlorinemg CL2/l 0.36 No limit 0.072
General General Parameter Unfiltered tap water Allowed range Filtered TemperatureC 23.1 No limit 23.1 Hardnessmg CaCO3/l 269.9 80 – 459 269.9 Hardness fF 27 No limit 27 pH 7.56 6.5 – 9.5 7.56 TurbidityNTU 0.1 ≤ 4 0.01 ColorColor Units 5 ≤ 15 5 ConductivityμS / cm 633 ≤ 2,500 633 TDSmg/l 405.1estimated 0 – 1,199 405.1 Alkalinitymg CaCO3/l 247 No limit 247 Bicarbonatemg HCO3/l 256Sampled Sept 2025 No limit 256
Pathogens Pathogens Parameter Unfiltered tap water Allowed range Filtered ClostridiumUFC/100ml 0Sampled May 2026 ≤ 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 Sept 2025 ≤ 50 0.5 Fluoridemg F/l 0.16Sampled Sept 2025 ≤ 1.5 0.048 Mercuryμg Hg/l 0.01Sampled Sept 2025 ≤ 1 0.001 Nitritesmg NO2/l 0.01 ≤ 0.5 0.004 Nitratesmg NO3/l 22.7 ≤ 50 6.81
Minerals Minerals Parameter Unfiltered tap water Allowed range Filtered Magnesiummg/l 5.5 No limit 5.5 Calciummg/l 98.9 No limit 98.9 Potassiummg/l 1.1Sampled Sept 2025 No limit 1.1 Chloridemg/l 24.5 ≤ 250 24.5
Metals Metals Parameter Unfiltered tap water Allowed range Filtered Aluminiumμg/l 10Sampled Sept 2025 ≤ 200 10 Antimonyμg/l 1Sampled Sept 2025 ≤ 5 1 Arsenicμg/l 8 ● (Near the limit) Sampled Sept 2025 ≤ 10 4 Bariumμg/l 19Sampled Sept 2025 ≤ 1,000 19 Cadmiumμg/l 1Sampled Sept 2025 ≤ 5 1 Chromiumμg/l 5Sampled Sept 2025 ≤ 50 5 Ironμg/l 10Sampled Sept 2025 ≤ 200 10 Manganeseμg/l 10Sampled Sept 2025 ≤ 50 10 Leadμg/l Not reported ≤ 10 — Seleniumμg/l 2Sampled Sept 2025 ≤ 10 2 Sodiummg/l 13.1Sampled Sept 2025 ≤ 200 13.1
Chlorine by-products Chlorine by-products Parameter Unfiltered tap water Allowed range Filtered Trichloroethyleneμg/l 0.1Sampled Sept 2025 No limit 0.005 Total Trihalomethanesμg/l 3.34Sampled Sept 2025 ≤ 100 0.17
Pesticides Pesticides Parameter Unfiltered tap water Allowed range Filtered Heptachlorug/L 0.005Sampled Sept 2025 ≤ 0.4 0.005 Total pesticidesug/L 0.025Sampled Sept 2025 ≤ 0.5 0.025
Herbicides Herbicides Parameter Unfiltered tap water Allowed range Filtered D 2 4ug/L 0.02Sampled Sept 2025 ≤ 70 0.02 Atrazineug/L 0.005Sampled Sept 2025 ≤ 3 0.005
Perfluorinated chemicals Perfluorinated chemicals Parameter Unfiltered tap water Allowed range Filtered PFOAug/L 0.003Sampled Sept 2025 No limit 0.003 PFOSug/L 0.004Sampled Sept 2025 No limit 0.004 PFNAug/L 0.004Sampled Sept 2025 No limit 0.004 Total PFASug/L 0.052Sampled Sept 2025 ≤ 0.1 0.005 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 0.01 No limit 0.003 Sulfatemg/l 63 No limit 63
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.