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SUEZ
Water safety Water safety Parameter Unfiltered tap water Allowed range Filtered Free Chlorinemg CL2/l 0.12 ● (Near the limit) 0.2 – 1 0.002 ▲ Total Chlorinemg CL2/l 0.17 No limit 0.034
General General Parameter Unfiltered tap water Allowed range Filtered TemperatureC 21.3 No limit 21.3 Hardnessmg CaCO3/l 279 80 – 459 279 Hardness fF 27.9 No limit 27.9 pH 7.3 6.5 – 9.5 7.3 TurbidityNTU 0.3 ≤ 4 0.03 ColorColor Units 5 ≤ 15 5 ConductivityμS / cm 586 ≤ 2,500 586 TDSmg/l 375estimated 0 – 1,199 375 Alkalinitymg CaCO3/l 244 No limit 244 Bicarbonatemg HCO3/l 281Sampled Mar 2026 No limit 281
Pathogens Pathogens Parameter Unfiltered tap water Allowed range Filtered ClostridiumUFC/100ml 0Sampled Mar 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 Mar 2026 ≤ 50 0.25 Fluoridemg F/l 0.061Sampled Mar 2026 ≤ 1.5 0.018 Mercuryμg Hg/l 0.01Sampled Mar 2026 ≤ 1 0.001 Nitritesmg NO2/l 0.01 ≤ 0.5 0.004 Nitratesmg NO3/l 5.3 ≤ 50 1.59
Minerals Minerals Parameter Unfiltered tap water Allowed range Filtered Magnesiummg/l 4.8Sampled Mar 2026 No limit 4.8 Calciummg/l 95.3Sampled Mar 2026 No limit 95.3 Potassiummg/l 2.1Sampled Mar 2026 No limit 2.1 Chloridemg/l 25 ≤ 250 25
Metals Metals Parameter Unfiltered tap water Allowed range Filtered Aluminiumμg/l 2Sampled Mar 2026 ≤ 200 2 Antimonyμg/l 0.1Sampled Mar 2026 ≤ 5 0.1 Arsenicμg/l 0.2Sampled Mar 2026 ≤ 10 0.1 Bariumμg/l 18Sampled Mar 2026 ≤ 1,000 18 Cadmiumμg/l 0.03Sampled Mar 2026 ≤ 5 0.03 Chromiumμg/l 0.4Sampled Mar 2026 ≤ 50 0.4 Copperμg/l 12.5Sampled May 2026 ≤ 2,000 0.63 Ironμg/l 1 ≤ 200 1 Manganeseμg/l 0.9 ≤ 50 0.9 Leadμg/l 0.4Sampled May 2026 ≤ 10 0.02 Nickelμg/l 1.6Sampled May 2026 ≤ 20 1.6 Seleniumμg/l 0.2Sampled Mar 2026 ≤ 10 0.2 Sodiummg/l 14.4Sampled Mar 2026 ≤ 200 14.4
Chlorine by-products Chlorine by-products Parameter Unfiltered tap water Allowed range Filtered Trichloroethyleneμg/l 0.1Sampled Mar 2026 No limit 0.005 Total Trihalomethanesμg/l 11Sampled May 2026 ≤ 100 0.55
Haloacetic acids Haloacetic acids Parameter Unfiltered tap water Allowed range Filtered Total haloacetic acidsμg/l 2.9Sampled May 2026 ≤ 60 0.15
Pesticides Pesticides Parameter Unfiltered tap water Allowed range Filtered Chlordaneug/L 0Sampled Mar 2026 ≤ 2 0 Heptachlorug/L 0.001Sampled Mar 2026 ≤ 0.4 0.001 Total pesticidesug/L 0.013Sampled Mar 2026 ≤ 0.5 0.013
Herbicides Herbicides Parameter Unfiltered tap water Allowed range Filtered D 2 4ug/L 0.02Sampled Mar 2026 ≤ 70 0.02 Atrazineug/L 0.01Sampled Mar 2026 ≤ 3 0.01
Perfluorinated chemicals Perfluorinated chemicals Parameter Unfiltered tap water Allowed range Filtered PFOAug/L 0.001Sampled Mar 2026 No limit 0.001 PFOSug/L 0.002Sampled Mar 2026 No limit 0.002 PFNAug/L 0.001Sampled Mar 2026 No limit 0.001 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 0.01 No limit 0.003 Sulfatemg/l 25.1 No limit 25.1 Uraniumug/L 0.1Sampled Mar 2026 No limit 0.1
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.
