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SUEZ
Water safety Water safety Parameter Unfiltered tap water Allowed range Filtered Free Chlorinemg CL2/l 0.59 0.2 – 1 0.012 ▲ Total Chlorinemg CL2/l 0.61 No limit 0.12
General General Parameter Unfiltered tap water Allowed range Filtered TemperatureC 24 No limit 24 Hardnessmg CaCO3/l 171 80 – 459 171 Hardness fF 17.1 No limit 17.1 pH 7.8 6.5 – 9.5 7.8 TurbidityNTU 0.3 ≤ 4 0.03 ColorColor Units 5 ≤ 15 5 ConductivityμS / cm 410 ≤ 2,500 410 TDSmg/l 262.4estimated 0 – 1,199 262.4 Alkalinitymg CaCO3/l 131 No limit 131 Bicarbonatemg HCO3/l 166Sampled Jun 2026 No limit 166
Pathogens Pathogens Parameter Unfiltered tap water Allowed range Filtered ClostridiumUFC/100ml 0Sampled Jun 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 Jun 2026 ≤ 50 0.25 Fluoridemg F/l 0.22Sampled Jun 2026 ≤ 1.5 0.065 Mercuryμg Hg/l 0.01Sampled Jun 2026 ≤ 1 0.001 Nitritesmg NO2/l 0.01 ≤ 0.5 0.004 Nitratesmg NO3/l 34 ≤ 50 10.2
Minerals Minerals Parameter Unfiltered tap water Allowed range Filtered Magnesiummg/l 12.6Sampled Jun 2026 No limit 12.6 Calciummg/l 47.6Sampled Jun 2026 No limit 47.6 Potassiummg/l 2Sampled Jun 2026 No limit 2 Chloridemg/l 25.2 ≤ 250 25.2
Metals Metals Parameter Unfiltered tap water Allowed range Filtered Aluminiumμg/l 2Sampled Jun 2026 ≤ 200 2 Antimonyμg/l 0.1Sampled Jun 2026 ≤ 5 0.1 Arsenicμg/l 0.2Sampled Jun 2026 ≤ 10 0.1 Bariumμg/l 18Sampled Jun 2026 ≤ 1,000 18 Cadmiumμg/l 0.044Sampled Jun 2026 ≤ 5 0.044 Chromiumμg/l 0.4Sampled Jun 2026 ≤ 50 0.4 Copperμg/l 10.3 ≤ 2,000 0.52 Ironμg/l 3 ≤ 200 3 Manganeseμg/l 0.5 ≤ 50 0.5 Leadμg/l 0.3 ≤ 10 0.015 Nickelμg/l 4.6 ≤ 20 4.6 Seleniumμg/l 0.2Sampled Jun 2026 ≤ 10 0.2 Sodiummg/l 12.4Sampled Jun 2026 ≤ 200 12.4
Chlorine by-products Chlorine by-products Parameter Unfiltered tap water Allowed range Filtered Trichloroethyleneμg/l 0.1Sampled Jun 2026 No limit 0.005 Total Trihalomethanesμg/l 18 ≤ 100 0.9
Haloacetic acids Haloacetic acids Parameter Unfiltered tap water Allowed range Filtered Total haloacetic acidsμg/l 3.3 ≤ 60 0.17
Pesticides Pesticides Parameter Unfiltered tap water Allowed range Filtered Chlordaneug/L 0Sampled Jun 2026 ≤ 2 0 Heptachlorug/L 0.001Sampled Jun 2026 ≤ 0.4 0.001 Total pesticidesug/L 0.014Sampled Jun 2026 ≤ 0.5 0.014
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 0.001Sampled Jun 2026 No limit 0.001 PFOSug/L 0.002Sampled Jun 2026 No limit 0.002 PFNAug/L 0.001Sampled Jun 2026 No limit 0.001 Total PFASug/L 0Sampled Jun 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 16.4 No limit 16.4 Uraniumug/L 0.2Sampled Jun 2026 No limit 0.2
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.
Your Water Quality
Independent information about tap water quality in France.
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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.
