← Back to summary See all parameters CC PAYS CHATEAU-GONTIER OUEST · 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 0.21 No limit 0.042
General General Parameter Unfiltered tap water Allowed range Filtered TemperatureC 24.5 No limit 24.5 Hardnessmg CaCO3/l 160 80 – 459 160 Hardness fF 16 No limit 16 pH 7.4 6.5 – 9.5 7.4 TurbidityNTU 0.3 ≤ 4 0.03 ColorColor Units 5 ≤ 15 5 ConductivityμS / cm 489 ≤ 2,500 489 TDSmg/l 313estimated 0 – 1,199 313 Alkalinitymg CaCO3/l 110 No limit 110
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 Mercuryμg Hg/l Not reported ≤ 1 — Nitritesmg NO2/l 0.01 ≤ 0.5 0.004 Nitratesmg NO3/l 26 ≤ 50 7.8
Minerals Minerals Parameter Unfiltered tap water Allowed range Filtered Chloridemg/l 60.4 ≤ 250 60.4
Metals Metals Parameter Unfiltered tap water Allowed range Filtered Antimonyμg/l 0.2Sampled Sept 2025 ≤ 5 0.2 Arsenicμg/l Not reported ≤ 10 — Cadmiumμg/l 0.033Sampled Sept 2025 ≤ 5 0.033 Chromiumμg/l 0.7Sampled Sept 2025 ≤ 50 0.7 Copperμg/l 17.2Sampled Jun 2026 ≤ 2,000 0.86 Ironμg/l 57Sampled Sept 2025 ≤ 200 57 Leadμg/l 0.9Sampled Jun 2026 ≤ 10 0.045 Nickelμg/l 1.6Sampled Jun 2026 ≤ 20 1.6
Chlorine by-products Chlorine by-products Parameter Unfiltered tap water Allowed range Filtered Total Trihalomethanesμg/l 24Sampled Jun 2026 ≤ 100 1.2
Haloacetic acids Haloacetic acids Parameter Unfiltered tap water Allowed range Filtered Total haloacetic acidsμg/l 6.5Sampled Jun 2026 ≤ 60 0.33
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 18.8 No limit 18.8
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.
