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SUEZ EAU FRANCE - ARA
Water safety Water safety Parameter Unfiltered tap water Allowed range Filtered Free Chlorinemg CL2/l 0.1 ● (Near the limit) 0.2 – 1 0.002 ▲ Total Chlorinemg CL2/l 0.1 No limit 0.02
General General Parameter Unfiltered tap water Allowed range Filtered TemperatureC 26.4 No limit 26.4 Hardnessmg CaCO3/l 355.4 80 – 459 355.4 Hardness fF 35.5 No limit 35.5 pH 7.5 6.5 – 9.5 7.5 TurbidityNTU 0.68 ≤ 4 0.068 ColorColor Units 5 ≤ 15 5 ConductivityμS / cm 741 ≤ 2,500 741 TDSmg/l 474.2estimated 0 – 1,199 474.2 Alkalinitymg CaCO3/l 334 No limit 334
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 10Sampled Apr 2026 ≤ 50 0.5 Fluoridemg F/l 0.07Sampled Apr 2026 ≤ 1.5 0.021 Mercuryμg Hg/l 0.01Sampled Apr 2026 ≤ 1 0.001 Nitritesmg NO2/l 0.01 ≤ 0.5 0.004 Nitratesmg NO3/l 16.8 ≤ 50 5.04
Minerals Minerals Parameter Unfiltered tap water Allowed range Filtered Magnesiummg/l 8.3 No limit 8.3 Calciummg/l 128.5 No limit 128.5 Potassiummg/l 2.9Sampled Apr 2026 No limit 2.9 Chloridemg/l 18.5 ≤ 250 18.5
Metals Metals Parameter Unfiltered tap water Allowed range Filtered Aluminiumμg/l 10Sampled Apr 2026 ≤ 200 10 Antimonyμg/l 1Sampled Apr 2026 ≤ 5 1 Arsenicμg/l 2Sampled Apr 2026 ≤ 10 1 Bariumμg/l 54Sampled Apr 2026 ≤ 1,000 54 Cadmiumμg/l 1Sampled Apr 2026 ≤ 5 1 Chromiumμg/l 5Sampled Apr 2026 ≤ 50 5 Copperμg/l 17Sampled Apr 2026 ≤ 2,000 0.85 Ironμg/l 10Sampled Apr 2026 ≤ 200 10 Manganeseμg/l 10Sampled Apr 2026 ≤ 50 10 Leadμg/l 2Sampled Apr 2026 ≤ 10 0.1 Nickelμg/l 5Sampled Apr 2026 ≤ 20 5 Seleniumμg/l 2Sampled Apr 2026 ≤ 10 2 Sodiummg/l 10.5Sampled Apr 2026 ≤ 200 10.5
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 12.5 ≤ 100 0.62
Haloacetic acids Haloacetic acids Parameter Unfiltered tap water Allowed range Filtered Total haloacetic acidsμg/l 1.4Sampled Apr 2026 ≤ 60 0.07
Pesticides Pesticides Parameter Unfiltered tap water Allowed range Filtered Heptachlorug/L 0.005Sampled Apr 2026 ≤ 0.4 0.005 Total pesticidesug/L 0.5 ● (Near the limit) Sampled Apr 2026 ≤ 0.5 0.5 ●
Herbicides Herbicides Parameter Unfiltered tap water Allowed range Filtered D 2 4ug/L 0.02Sampled Apr 2026 ≤ 70 0.02 Atrazineug/L 0.005Sampled Apr 2026 ≤ 3 0.005
Perfluorinated chemicals Perfluorinated chemicals Parameter Unfiltered tap water Allowed range Filtered PFOAug/L 0.002Sampled Apr 2026 No limit 0.002 PFOSug/L 0.002Sampled Apr 2026 No limit 0.002 PFNAug/L 0.001Sampled Apr 2026 No limit 0.001 Total PFASug/L 0.012Sampled Apr 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 0.01 No limit 0.003 Sulfatemg/l 26.7 No limit 26.7 Uraniumug/L 10Sampled Apr 2026 No limit 10
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.
