← Back to summary See all parameters CHEMAZE · Marigné-Peuton
VEOLIA EAU-COMPAGNIE GENERALE DES EAUX
Water safety Water safety Parameter Unfiltered tap water Allowed range Filtered Free Chlorinemg CL2/l 0.06 ● (Near the limit) 0.2 – 1 0.001 ▲ Total Chlorinemg CL2/l 0.18 No limit 0.036
General General Parameter Unfiltered tap water Allowed range Filtered TemperatureC 23.7 No limit 23.7 Hardnessmg CaCO3/l 167 80 – 459 167 Hardness fF 16.7 No limit 16.7 pH 7.8 6.5 – 9.5 7.8 TurbidityNTU 0.3 ≤ 4 0.03 ColorColor Units 5 ≤ 15 5 ConductivityμS / cm 496 ≤ 2,500 496 TDSmg/l 317.4estimated 0 – 1,199 317.4 Alkalinitymg CaCO3/l 119 No limit 119
Pathogens Pathogens Parameter Unfiltered tap water Allowed range Filtered ClostridiumUFC/100ml 0Sampled Mar 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 Mercuryμg Hg/l Not reported ≤ 1 — Nitritesmg NO2/l 0.01 ≤ 0.5 0.004 Nitratesmg NO3/l 33 ≤ 50 9.9
Minerals Minerals Parameter Unfiltered tap water Allowed range Filtered Chloridemg/l 55.8 ≤ 250 55.8
Metals Metals Parameter Unfiltered tap water Allowed range Filtered Antimonyμg/l 0.2Sampled May 2025 ≤ 5 0.2 Arsenicμg/l Not reported ≤ 10 — Cadmiumμg/l 0.01Sampled May 2025 ≤ 5 0.01 Chromiumμg/l 0.8Sampled May 2025 ≤ 50 0.8 Copperμg/l 18.1 ≤ 2,000 0.91 Ironμg/l 7 ≤ 200 7 Manganeseμg/l 2 ≤ 50 2 Leadμg/l 1.6 ≤ 10 0.08 Nickelμg/l 2.9 ≤ 20 2.9
Chlorine by-products Chlorine by-products Parameter Unfiltered tap water Allowed range Filtered Total Trihalomethanesμg/l 36 ≤ 100 1.8
Haloacetic acids Haloacetic acids Parameter Unfiltered tap water Allowed range Filtered Total haloacetic acidsμg/l 1.1 ≤ 60 0.055
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 0.013 No limit 0.004 Sulfatemg/l 16.9 No limit 16.9
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.
