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VEOLIA EAU SECTEUR OUEST
Water safety Water safety Parameter Unfiltered tap water Allowed range Filtered Free Chlorinemg CL2/l 0.36 0.2 – 1 0.007 ▲ Total Chlorinemg CL2/l 0.38 No limit 0.076
General General Parameter Unfiltered tap water Allowed range Filtered TemperatureC 18.4 No limit 18.4 Hardnessmg CaCO3/l 239 80 – 459 239 Hardness fF 23.9 No limit 23.9 pH 7.4 6.5 – 9.5 7.4 TurbidityNTU 0.1 ≤ 4 0.01 ConductivityμS / cm 492 ≤ 2,500 492 TDSmg/l 314.9estimated 0 – 1,199 314.9 Alkalinitymg CaCO3/l 201 No limit 201 Bicarbonatemg HCO3/l 280Sampled Oct 2025 No limit 280
Pathogens Pathogens Parameter Unfiltered tap water Allowed range Filtered ClostridiumUFC/100ml 0Sampled Sept 2025 ≤ 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 0.19Sampled Feb 2026 ≤ 1.5 0.057 Mercuryμg Hg/l 0.01Sampled Feb 2026 ≤ 1 0.001 Nitritesmg NO2/l 0.01 ≤ 0.5 0.004 Nitratesmg NO3/l 0.5 ≤ 50 0.15
Minerals Minerals Parameter Unfiltered tap water Allowed range Filtered Magnesiummg/l 9.31Sampled Feb 2026 No limit 9.31 Calciummg/l 84.7Sampled Feb 2026 No limit 84.7 Potassiummg/l 1.92Sampled Feb 2026 No limit 1.92 Chloridemg/l 9.73 ≤ 250 9.73
Metals Metals Parameter Unfiltered tap water Allowed range Filtered Aluminiumμg/l 10Sampled Feb 2026 ≤ 200 10 Antimonyμg/l 0.05Sampled Feb 2026 ≤ 5 0.05 Arsenicμg/l 1.09Sampled Feb 2026 ≤ 10 0.55 Bariumμg/l 69.9Sampled Feb 2026 ≤ 1,000 69.9 Cadmiumμg/l 1Sampled Feb 2026 ≤ 5 1 Chromiumμg/l 6Sampled Feb 2026 ≤ 50 6 Ironμg/l 20Sampled May 2026 ≤ 200 20 Manganeseμg/l 15Sampled Feb 2026 ≤ 50 15 Leadμg/l Not reported ≤ 10 — Seleniumμg/l 0.5Sampled Feb 2026 ≤ 10 0.5 Sodiummg/l 7.69Sampled Feb 2026 ≤ 200 7.69
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 0.5Sampled Feb 2026 ≤ 100 0.025
Haloacetic acids Haloacetic acids Parameter Unfiltered tap water Allowed range Filtered Total haloacetic acidsμg/l 1Sampled Feb 2026 ≤ 60 0.05
Pesticides Pesticides Parameter Unfiltered tap water Allowed range Filtered Total pesticidesug/L 1 ▲ (Outside the range) Sampled Feb 2026 ≤ 0.5 1 ▲
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 0.002Sampled Feb 2026 No limit 0.002 PFNAug/L 0.002Sampled Feb 2026 No limit 0.002 Total PFASug/L 0.006Sampled Feb 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 16 No limit 16 Uraniumug/L 0.82Sampled Feb 2026 No limit 0.82
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.
