← Back to summary See all parameters MESSEI VARENNE · Dompierre
FLERS AGGLO
Water safety Water safety Parameter Unfiltered tap water Allowed range Filtered Free Chlorinemg CL2/l 0.6 0.2 – 1 0.012 ▲ Total Chlorinemg CL2/l 0.71 No limit 0.14
General General Parameter Unfiltered tap water Allowed range Filtered TemperatureC 23 No limit 23 Hardnessmg CaCO3/l 113 80 – 459 113 Hardness fF 11.3 No limit 11.3 pH 7.8 6.5 – 9.5 7.8 TurbidityNTU 0.2 ≤ 4 0.02 ConductivityμS / cm 353 ≤ 2,500 353 TDSmg/l 225.9estimated 0 – 1,199 225.9 Alkalinitymg CaCO3/l 62 No limit 62
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 22 ≤ 50 6.6
Minerals Minerals Parameter Unfiltered tap water Allowed range Filtered Chloridemg/l 50 ≤ 250 50
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 0.025Sampled Jul 2025 ≤ 5 0.025 Chromiumμg/l 1Sampled Jul 2025 ≤ 50 1 Ironμg/l 11.3 ≤ 200 11.3 Manganeseμg/l 1 ≤ 50 1 Leadμg/l Not reported ≤ 10 —
Chlorine by-products Chlorine by-products Parameter Unfiltered tap water Allowed range Filtered Total Trihalomethanesμg/l 21.2 ≤ 100 1.06
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 0.05 No limit 0.015 Sulfatemg/l 7.3 No limit 7.3
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.
