← Back to summary See all parameters LA PLAINE · Marigné-Peuton
VEOLIA EAU-COMPAGNIE GENERALE DES EAUX
Water safety Water safety Parameter Unfiltered tap water Allowed range Filtered Free Chlorinemg CL2/l 0.37 0.2 – 1 0.007 ▲ Total Chlorinemg CL2/l 0.48 No limit 0.096
General General Parameter Unfiltered tap water Allowed range Filtered TemperatureC 26 No limit 26 Hardnessmg CaCO3/l 144 80 – 459 144 Hardness fF 14.4 No limit 14.4 pH 7.5 6.5 – 9.5 7.5 TurbidityNTU 0.3 ≤ 4 0.03 ColorColor Units 5 ≤ 15 5 ConductivityμS / cm 457 ≤ 2,500 457 TDSmg/l 292.5estimated 0 – 1,199 292.5 Alkalinitymg CaCO3/l 98 No limit 98
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 13 ≤ 50 3.9
Minerals Minerals Parameter Unfiltered tap water Allowed range Filtered Chloridemg/l 62.9 ≤ 250 62.9
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 0.025Sampled Sept 2025 ≤ 5 0.025 Chromiumμg/l 0.5Sampled Sept 2025 ≤ 50 0.5 Copperμg/l 9.7Sampled Sept 2025 ≤ 2,000 0.49 Ironμg/l 29Sampled Sept 2025 ≤ 200 29 Leadμg/l 0.5Sampled Sept 2025 ≤ 10 0.025 Nickelμg/l 1.7Sampled Sept 2025 ≤ 20 1.7
Chlorine by-products Chlorine by-products Parameter Unfiltered tap water Allowed range Filtered Total Trihalomethanesμg/l 25Sampled Jun 2026 ≤ 100 1.25
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 20.1 No limit 20.1
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.
