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VEOLIA EAU-COMPAGNIE GENERALE DES EAUX
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 0.31 No limit 0.062
General General Parameter Unfiltered tap water Allowed range Filtered TemperatureC 24 No limit 24 Hardnessmg CaCO3/l 103 80 – 459 103 Hardness fF 10.3 No limit 10.3 pH 7.9 6.5 – 9.5 7.9 TurbidityNTU 0.3 ≤ 4 0.03 ColorColor Units 5 ≤ 15 5 ConductivityμS / cm 310 ≤ 2,500 310 TDSmg/l 198.4estimated 0 – 1,199 198.4 Alkalinitymg CaCO3/l 82 No limit 82 Bicarbonatemg HCO3/l 88Sampled Apr 2026 No limit 88
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 5Sampled Oct 2025 ≤ 50 0.25 Fluoridemg F/l 0.05Sampled Oct 2025 ≤ 1.5 0.015 Mercuryμg Hg/l 0.015Sampled Oct 2025 ≤ 1 0.002 Nitritesmg NO2/l 0.01 ≤ 0.5 0.004 Nitratesmg NO3/l 25 ≤ 50 7.5
Minerals Minerals Parameter Unfiltered tap water Allowed range Filtered Magnesiummg/l 3.5Sampled Apr 2026 No limit 3.5 Calciummg/l 27.7Sampled Apr 2026 No limit 27.7 Potassiummg/l 2.7Sampled Apr 2026 No limit 2.7 Chloridemg/l 23.3 ≤ 250 23.3
Metals Metals Parameter Unfiltered tap water Allowed range Filtered Aluminiumμg/l 5Sampled Oct 2025 ≤ 200 5 Antimonyμg/l 0.2Sampled Sept 2025 ≤ 5 0.2 Arsenicμg/l 3.1Sampled Oct 2025 ≤ 10 1.55 Bariumμg/l 32Sampled Oct 2025 ≤ 1,000 32 Cadmiumμg/l 0.036Sampled Sept 2025 ≤ 5 0.036 Chromiumμg/l 0.5Sampled Sept 2025 ≤ 50 0.5 Copperμg/l 6.7 ≤ 2,000 0.34 Ironμg/l 4 ≤ 200 4 Manganeseμg/l 0.5 ≤ 50 0.5 Leadμg/l 0.16 ≤ 10 0.008 Nickelμg/l 0.4 ≤ 20 0.4 Seleniumμg/l 0.2Sampled Oct 2025 ≤ 10 0.2 Sodiummg/l 15Sampled Apr 2026 ≤ 200 15
Chlorine by-products Chlorine by-products Parameter Unfiltered tap water Allowed range Filtered Trichloroethyleneμg/l 0.1Sampled Oct 2025 No limit 0.005 Total Trihalomethanesμg/l 7.3 ≤ 100 0.37
Haloacetic acids Haloacetic acids Parameter Unfiltered tap water Allowed range Filtered Total haloacetic acidsμg/l 3.2 ≤ 60 0.16
Pesticides Pesticides Parameter Unfiltered tap water Allowed range Filtered Chlordaneug/L 0Sampled Oct 2025 ≤ 2 0 Heptachlorug/L 0.001Sampled Oct 2025 ≤ 0.4 0.001 Total pesticidesug/L 0.027Sampled Oct 2025 ≤ 0.5 0.027
Herbicides Herbicides Parameter Unfiltered tap water Allowed range Filtered D 2 4ug/L 0.02Sampled Oct 2025 ≤ 70 0.02 Atrazineug/L 0.01Sampled Oct 2025 ≤ 3 0.01
Perfluorinated chemicals Perfluorinated chemicals Parameter Unfiltered tap water Allowed range Filtered PFOAug/L 0.001Sampled Apr 2026 No limit 0.001 PFOSug/L 0.002Sampled Apr 2026 No limit 0.002 PFNAug/L 0.001Sampled Apr 2026 No limit 0.001 Total PFASug/L 0.001Sampled Apr 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 No limit 16
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.
