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SUEZ EAU FRANCE - ARA
Water safety Water safety Parameter Unfiltered tap water Allowed range Filtered Free Chlorinemg CL2/l 0.05 ● (Near the limit) 0.2 – 1 0.001 ▲ Total Chlorinemg CL2/l 0.05 No limit 0.01
General General Parameter Unfiltered tap water Allowed range Filtered TemperatureC 21.1 No limit 21.1 Hardnessmg CaCO3/l 170.9 80 – 459 170.9 Hardness fF 17.1 No limit 17.1 pH 7.9 6.5 – 9.5 7.9 TurbidityNTU 0.16 ≤ 4 0.016 ColorColor Units 5 ≤ 15 5 ConductivityμS / cm 339 ≤ 2,500 339 TDSmg/l 217estimated 0 – 1,199 217 Alkalinitymg CaCO3/l 194.5 No limit 194.5
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 May 2025 ≤ 50 0.5 Fluoridemg F/l 0.05Sampled May 2025 ≤ 1.5 0.015 Mercuryμg Hg/l 0.01Sampled May 2025 ≤ 1 0.001 Nitritesmg NO2/l 0.01 ≤ 0.5 0.004 Nitratesmg NO3/l 0.8 ≤ 50 0.24
Minerals Minerals Parameter Unfiltered tap water Allowed range Filtered Potassiummg/l 0.6Sampled May 2025 No limit 0.6 Chloridemg/l 1.1 ≤ 250 1.1
Metals Metals Parameter Unfiltered tap water Allowed range Filtered Aluminiumμg/l 10Sampled May 2025 ≤ 200 10 Arsenicμg/l 2Sampled May 2025 ≤ 10 1 Bariumμg/l 10Sampled May 2025 ≤ 1,000 10 Ironμg/l 10Sampled May 2025 ≤ 200 10 Manganeseμg/l 10Sampled May 2025 ≤ 50 10 Leadμg/l Not reported ≤ 10 — Seleniumμg/l 2Sampled May 2025 ≤ 10 2 Sodiummg/l 2Sampled May 2025 ≤ 200 2
Chlorine by-products Chlorine by-products Parameter Unfiltered tap water Allowed range Filtered Trichloroethyleneμg/l 0.1Sampled May 2025 No limit 0.005 Total Trihalomethanesμg/l 0.5Sampled May 2025 ≤ 100 0.025
Pesticides Pesticides Parameter Unfiltered tap water Allowed range Filtered Heptachlorug/L 0.005Sampled May 2025 ≤ 0.4 0.005 Total pesticidesug/L 0.5 ● (Near the limit) Sampled May 2025 ≤ 0.5 0.5 ●
Herbicides Herbicides Parameter Unfiltered tap water Allowed range Filtered D 2 4ug/L 0.02Sampled May 2025 ≤ 70 0.02 Atrazineug/L 0.005Sampled May 2025 ≤ 3 0.005
Perfluorinated chemicals Perfluorinated chemicals Parameter Unfiltered tap water Allowed range Filtered PFOAug/L 0.001Sampled May 2025 No limit 0.001 PFOSug/L 0.001Sampled May 2025 No limit 0.001 PFNAug/L 0.001Sampled May 2025 No limit 0.001 Total PFASug/L 0.001Sampled May 2025 ≤ 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 8.3 No limit 8.3
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.
