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VEOLIA EAU CGE LOUVIERS
Water safety Water safety Parameter Unfiltered tap water Allowed range Filtered Free Chlorinemg CL2/l 0.32 0.2 – 1 0.006 ▲ Total Chlorinemg CL2/l 0.35 No limit 0.07
General General Parameter Unfiltered tap water Allowed range Filtered TemperatureC 20.1 No limit 20.1 Hardnessmg CaCO3/l 306 80 – 459 306 Hardness fF 30.6 No limit 30.6 pH 7.3 6.5 – 9.5 7.3 TurbidityNTU 0.3 ≤ 4 0.03 ConductivityμS / cm 646 ≤ 2,500 646 TDSmg/l 413.4estimated 0 – 1,199 413.4 Alkalinitymg CaCO3/l 270 No limit 270
Pathogens Pathogens Parameter Unfiltered tap water Allowed range Filtered 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 Mercuryμg Hg/l Not reported ≤ 1 — Nitritesmg NO2/l 0.01 ≤ 0.5 0.004 Nitratesmg NO3/l 18 ≤ 50 5.4
Minerals Minerals Parameter Unfiltered tap water Allowed range Filtered Chloridemg/l 27.2 ≤ 250 27.2
Metals Metals Parameter Unfiltered tap water Allowed range Filtered Antimonyμg/l 0.5Sampled Jul 2025 ≤ 5 0.5 Arsenicμg/l Not reported ≤ 10 — Cadmiumμg/l 0.1Sampled Jul 2025 ≤ 5 0.1 Chromiumμg/l 0.53Sampled Jul 2025 ≤ 50 0.53 Ironμg/l 20Sampled Jun 2026 ≤ 200 20 Leadμg/l Not reported ≤ 10 —
Chlorine by-products Chlorine by-products Parameter Unfiltered tap water Allowed range Filtered Total Trihalomethanesμg/l 10Sampled Apr 2026 ≤ 100 0.5
Perfluorinated chemicals Perfluorinated chemicals Parameter Unfiltered tap water Allowed range Filtered Total PFASug/L Not reported ≤ 0.1 — 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 24.6 No limit 24.6
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.
