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SUEZ
Water safety Water safety Parameter Unfiltered tap water Allowed range Filtered Free Chlorinemg CL2/l 0.44 0.2 – 1 0.009 ▲ Total Chlorinemg CL2/l 0.48 No limit 0.096
General General Parameter Unfiltered tap water Allowed range Filtered TemperatureC 23.6 No limit 23.6 Hardnessmg CaCO3/l 310 80 – 459 310 Hardness fF 31 No limit 31 pH 7.3 6.5 – 9.5 7.3 TurbidityNTU 0.3 ≤ 4 0.03 ColorColor Units 5 ≤ 15 5 ConductivityμS / cm 642 ≤ 2,500 642 TDSmg/l 410.9estimated 0 – 1,199 410.9 Alkalinitymg CaCO3/l 265 No limit 265 Bicarbonatemg HCO3/l 327Sampled Apr 2026 No limit 327
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 5Sampled Apr 2026 ≤ 50 0.25 Fluoridemg F/l 0.063Sampled Apr 2026 ≤ 1.5 0.019 Mercuryμg Hg/l 0.01Sampled Apr 2026 ≤ 1 0.001 Nitritesmg NO2/l 0.01 ≤ 0.5 0.004 Nitratesmg NO3/l 6.4 ≤ 50 1.92
Minerals Minerals Parameter Unfiltered tap water Allowed range Filtered Magnesiummg/l 6.3Sampled Apr 2026 No limit 6.3 Calciummg/l 120Sampled Apr 2026 No limit 120 Potassiummg/l 3Sampled Apr 2026 No limit 3 Chloridemg/l 21.7 ≤ 250 21.7
Metals Metals Parameter Unfiltered tap water Allowed range Filtered Aluminiumμg/l 2Sampled Apr 2026 ≤ 200 2 Antimonyμg/l 0.1Sampled Apr 2026 ≤ 5 0.1 Arsenicμg/l 0.2Sampled Apr 2026 ≤ 10 0.1 Bariumμg/l 16Sampled Apr 2026 ≤ 1,000 16 Cadmiumμg/l 0.028Sampled Apr 2026 ≤ 5 0.028 Chromiumμg/l 0.4Sampled Apr 2026 ≤ 50 0.4 Copperμg/l 114Sampled Jun 2026 ≤ 2,000 5.7 Ironμg/l 2 ≤ 200 2 Manganeseμg/l 3 ≤ 50 3 Leadμg/l 1.4Sampled Jun 2026 ≤ 10 0.07 Nickelμg/l 1.4Sampled Jun 2026 ≤ 20 1.4 Seleniumμg/l 0.2Sampled Apr 2026 ≤ 10 0.2 Sodiummg/l 11.7Sampled Apr 2026 ≤ 200 11.7
Chlorine by-products Chlorine by-products Parameter Unfiltered tap water Allowed range Filtered Trichloroethyleneμg/l 0.1Sampled Apr 2026 No limit 0.005 Total Trihalomethanesμg/l 16Sampled Aug 2025 ≤ 100 0.8
Pesticides Pesticides Parameter Unfiltered tap water Allowed range Filtered Chlordaneug/L 0Sampled Apr 2026 ≤ 2 0 Heptachlorug/L 0.001Sampled Apr 2026 ≤ 0.4 0.001 Total pesticidesug/L 0Sampled Apr 2026 ≤ 0.5 0
Herbicides Herbicides Parameter Unfiltered tap water Allowed range Filtered D 2 4ug/L 0.02Sampled Apr 2026 ≤ 70 0.02 Atrazineug/L 0.01Sampled Apr 2026 ≤ 3 0.01
Perfluorinated chemicals Perfluorinated chemicals Parameter Unfiltered tap water Allowed range Filtered PFOAug/L 0.001Sampled Apr 2026 No limit 0.001 PFOSug/L 0.002Sampled Apr 2026 No limit 0.002 PFNAug/L 0.001Sampled Apr 2026 No limit 0.001 Total PFASug/L 0Sampled Apr 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 0.01 No limit 0.003 Sulfatemg/l 40.3 No limit 40.3 Uraniumug/L 0.3Sampled Apr 2026 No limit 0.3
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.
