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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 0.2 No limit 0.04
General General Parameter Unfiltered tap water Allowed range Filtered TemperatureC 24.2 No limit 24.2 Hardnessmg CaCO3/l 305.5 80 – 459 305.5 Hardness fF 30.6 No limit 30.6 pH 7.7 6.5 – 9.5 7.7 TurbidityNTU 0.1 ≤ 4 0.01 ColorColor Units 5 ≤ 15 5 ConductivityμS / cm 658 ≤ 2,500 658 TDSmg/l 421.1estimated 0 – 1,199 421.1 Alkalinitymg CaCO3/l 336 No limit 336
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 Feb 2026 ≤ 50 0.5 Fluoridemg F/l 0.09Sampled Feb 2026 ≤ 1.5 0.027 Mercuryμg Hg/l 0.01Sampled Feb 2026 ≤ 1 0.001 Nitritesmg NO2/l 0.01 ≤ 0.5 0.004 Nitratesmg NO3/l 11.7 ≤ 50 3.51
Minerals Minerals Parameter Unfiltered tap water Allowed range Filtered Magnesiummg/l 8.8 No limit 8.8 Calciummg/l 107.7 No limit 107.7 Potassiummg/l 3.5Sampled Feb 2026 No limit 3.5 Chloridemg/l 11.2 ≤ 250 11.2
Metals Metals Parameter Unfiltered tap water Allowed range Filtered Aluminiumμg/l 10Sampled Feb 2026 ≤ 200 10 Antimonyμg/l 1Sampled Feb 2026 ≤ 5 1 Arsenicμg/l 2Sampled Feb 2026 ≤ 10 1 Bariumμg/l 62Sampled Feb 2026 ≤ 1,000 62 Cadmiumμg/l 1Sampled Feb 2026 ≤ 5 1 Chromiumμg/l 5Sampled Feb 2026 ≤ 50 5 Copperμg/l 13Sampled Feb 2026 ≤ 2,000 0.65 Ironμg/l 10Sampled Feb 2026 ≤ 200 10 Manganeseμg/l 10Sampled Feb 2026 ≤ 50 10 Leadμg/l 2Sampled Feb 2026 ≤ 10 0.1 Nickelμg/l 5Sampled Feb 2026 ≤ 20 5 Seleniumμg/l 2Sampled Feb 2026 ≤ 10 2 Sodiummg/l 10.3Sampled Feb 2026 ≤ 200 10.3
Chlorine by-products Chlorine by-products Parameter Unfiltered tap water Allowed range Filtered Trichloroethyleneμg/l 0.1Sampled Feb 2026 No limit 0.005 Total Trihalomethanesμg/l 7.24 ≤ 100 0.36
Haloacetic acids Haloacetic acids Parameter Unfiltered tap water Allowed range Filtered Total haloacetic acidsμg/l 1.3Sampled Feb 2026 ≤ 60 0.065
Pesticides Pesticides Parameter Unfiltered tap water Allowed range Filtered Heptachlorug/L 0.005Sampled Feb 2026 ≤ 0.4 0.005 Total pesticidesug/L 0.5 ● (Near the limit) Sampled Feb 2026 ≤ 0.5 0.5 ●
Herbicides Herbicides Parameter Unfiltered tap water Allowed range Filtered D 2 4ug/L 0.02Sampled Feb 2026 ≤ 70 0.02 Atrazineug/L 0.005Sampled Feb 2026 ≤ 3 0.005
Perfluorinated chemicals Perfluorinated chemicals Parameter Unfiltered tap water Allowed range Filtered PFOAug/L 0.002Sampled Feb 2026 No limit 0.002 PFOSug/L 0.004Sampled Feb 2026 No limit 0.004 PFNAug/L 0.001Sampled Feb 2026 No limit 0.001 Total PFASug/L 0.022Sampled Feb 2026 ≤ 0.1 0.002 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 18 No limit 18 Uraniumug/L 10Sampled Feb 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.
