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SUEZ
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 0.21 No limit 0.042
General General Parameter Unfiltered tap water Allowed range Filtered TemperatureC 24 No limit 24 Hardnessmg CaCO3/l 127 80 – 459 127 Hardness fF 12.7 No limit 12.7 pH 7.8 6.5 – 9.5 7.8 TurbidityNTU 0.3 ≤ 4 0.03 ColorColor Units 5 ≤ 15 5 ConductivityμS / cm 449 ≤ 2,500 449 TDSmg/l 287.4estimated 0 – 1,199 287.4 Alkalinitymg CaCO3/l 98 No limit 98 Bicarbonatemg HCO3/l 202Sampled Jul 2026 No limit 202
Pathogens Pathogens Parameter Unfiltered tap water Allowed range Filtered ClostridiumUFC/100ml 0Sampled Jul 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 5Sampled May 2026 ≤ 50 0.25 Fluoridemg F/l 0.086Sampled May 2026 ≤ 1.5 0.026 Mercuryμg Hg/l 0.01Sampled May 2026 ≤ 1 0.001 Nitritesmg NO2/l 0.01 ≤ 0.5 0.004 Nitratesmg NO3/l 1.2 ≤ 50 0.36
Minerals Minerals Parameter Unfiltered tap water Allowed range Filtered Magnesiummg/l 6.7Sampled Jul 2026 No limit 6.7 Calciummg/l 77.5Sampled Jul 2026 No limit 77.5 Potassiummg/l 1.5Sampled Jul 2026 No limit 1.5 Chloridemg/l 68.9 ≤ 250 68.9
Metals Metals Parameter Unfiltered tap water Allowed range Filtered Aluminiumμg/l 2Sampled May 2026 ≤ 200 2 Antimonyμg/l 0.15Sampled May 2026 ≤ 5 0.15 Arsenicμg/l 0.2Sampled May 2026 ≤ 10 0.1 Bariumμg/l 10Sampled May 2026 ≤ 1,000 10 Cadmiumμg/l 0.02Sampled May 2026 ≤ 5 0.02 Chromiumμg/l 0.8Sampled May 2026 ≤ 50 0.8 Copperμg/l 473 ≤ 2,000 23.7 Ironμg/l 10Sampled May 2026 ≤ 200 10 Manganeseμg/l 1Sampled May 2026 ≤ 50 1 Leadμg/l 0.7 ≤ 10 0.035 Nickelμg/l 2.5 ≤ 20 2.5 Seleniumμg/l 0.2Sampled May 2026 ≤ 10 0.2 Sodiummg/l 11.5Sampled Jul 2026 ≤ 200 11.5
Chlorine by-products Chlorine by-products Parameter Unfiltered tap water Allowed range Filtered Trichloroethyleneμg/l 0.1Sampled May 2026 No limit 0.005 Total Trihalomethanesμg/l 9.2Sampled Nov 2025 ≤ 100 0.46
Pesticides Pesticides Parameter Unfiltered tap water Allowed range Filtered Chlordaneug/L 0Sampled May 2026 ≤ 2 0 Heptachlorug/L 0.001Sampled May 2026 ≤ 0.4 0.001 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 0.002Sampled May 2026 No limit 0.002 PFNAug/L 0.001Sampled May 2026 No limit 0.001 Total PFASug/L 0.005Sampled May 2026 ≤ 0.1 0.001 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 0.017 No limit 0.005 Sulfatemg/l 14.4 No limit 14.4 Uraniumug/L 0.02Sampled May 2026 No limit 0.02
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.
