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SUEZ
Water safety Water safety Parameter Unfiltered tap water Allowed range Filtered Free Chlorinemg CL2/l 0.05 ● (Near the limit) 0.2 – 1 0.001 ▲ Total Chlorinemg CL2/l 0.08 No limit 0.016
General General Parameter Unfiltered tap water Allowed range Filtered TemperatureC 24.1 No limit 24.1 Hardnessmg CaCO3/l 163 80 – 459 163 Hardness fF 16.3 No limit 16.3 pH 8 6.5 – 9.5 8 TurbidityNTU 0.41 ≤ 4 0.041 ColorColor Units 2 ≤ 15 2 ConductivityμS / cm 458 ≤ 2,500 458 TDSmg/l 293.1estimated 0 – 1,199 293.1 Alkalinitymg CaCO3/l 89 No limit 89 Bicarbonatemg HCO3/l 190.3Sampled Mar 2026 No limit 190.3
Pathogens Pathogens Parameter Unfiltered tap water Allowed range Filtered ClostridiumUFC/100ml 0 ≤ 0 0 eColiUFC/100ml 0 ≤ 0 0 BacteriasNMP/100ml 0Sampled Jul 2026 ≤ 0 0 EnterococcusUFC/100ml 0 ≤ 0 0
Chemical parameters Chemical parameters Parameter Unfiltered tap water Allowed range Filtered Cyanide totalμg CN/l 0.5Sampled Mar 2026 ≤ 50 0.025 Fluoridemg F/l 0.11Sampled Mar 2026 ≤ 1.5 0.033 Mercuryμg Hg/l 0.015Sampled Mar 2026 ≤ 1 0.002 Nitritesmg NO2/l 0.01 ≤ 0.5 0.004 Nitratesmg NO3/l 2.4 ≤ 50 0.72
Minerals Minerals Parameter Unfiltered tap water Allowed range Filtered Magnesiummg/l 8.17 No limit 8.17 Calciummg/l 51.8 No limit 51.8 Potassiummg/l 3.01Sampled Mar 2026 No limit 3.01 Chloridemg/l 60 ≤ 250 60
Metals Metals Parameter Unfiltered tap water Allowed range Filtered Aluminiumμg/l 15.3Sampled Mar 2026 ≤ 200 15.3 Antimonyμg/l 0.5Sampled Mar 2026 ≤ 5 0.5 Arsenicμg/l 0.5Sampled Mar 2026 ≤ 10 0.25 Bariumμg/l 37Sampled Mar 2026 ≤ 1,000 37 Cadmiumμg/l 0.5Sampled Mar 2026 ≤ 5 0.5 Chromiumμg/l 0.6Sampled Mar 2026 ≤ 50 0.6 Copperμg/l 11Sampled May 2026 ≤ 2,000 0.55 Ironμg/l 72.8 ≤ 200 72.8 Manganeseμg/l 10.1 ≤ 50 10.1 Leadμg/l 0.5Sampled May 2026 ≤ 10 0.025 Nickelμg/l 5Sampled May 2026 ≤ 20 5 Seleniumμg/l 0.5Sampled Mar 2026 ≤ 10 0.5 Sodiummg/l 12.8Sampled Mar 2026 ≤ 200 12.8
Chlorine by-products Chlorine by-products Parameter Unfiltered tap water Allowed range Filtered Trichloroethyleneμg/l 0.2Sampled Mar 2026 No limit 0.01 Total Trihalomethanesμg/l 29 ≤ 100 1.45
Haloacetic acids Haloacetic acids Parameter Unfiltered tap water Allowed range Filtered Total haloacetic acidsμg/l 0 ≤ 60 0
Pesticides Pesticides Parameter Unfiltered tap water Allowed range Filtered Heptachlorug/L 0.002Sampled Jun 2026 ≤ 0.4 0.002 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 0.002Sampled Mar 2026 No limit 0.002 PFOSug/L 0.002Sampled Mar 2026 No limit 0.002 PFNAug/L 0.005Sampled Mar 2026 No limit 0.005 Total PFASug/L 0Sampled Mar 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 0.027 No limit 0.008 Sulfatemg/l 46 No limit 46 Uraniumug/L 0.5Sampled Mar 2026 No limit 0.5
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.
