← Back to summary See all parameters CHARS-LE BELLAY-MOUSSY · Chars
CEO - AGENCE DE CERGY
Water safety Water safety Parameter Unfiltered tap water Allowed range Filtered Free Chlorinemg CL2/l 0.29Sampled Mar 2026 0.2 – 1 0.006 ▲ Total Chlorinemg CL2/l 0.32Sampled Mar 2026 No limit 0.064
General General Parameter Unfiltered tap water Allowed range Filtered TemperatureC 16.8 No limit 16.8 Hardnessmg CaCO3/l 232.3Sampled Mar 2026 80 – 459 232.3 Hardness fF 23.2Sampled Mar 2026 No limit 23.2 pH 7.3Sampled Mar 2026 6.5 – 9.5 7.3 TurbidityNTU 0.1Sampled Mar 2026 ≤ 4 0.01 ConductivityμS / cm 576Sampled Mar 2026 ≤ 2,500 576 TDSmg/l 368.6Sampled Mar 2026 estimated 0 – 1,199 368.6 Alkalinitymg CaCO3/l 218Sampled Mar 2026 No limit 218
Pathogens Pathogens Parameter Unfiltered tap water Allowed range Filtered ClostridiumUFC/100ml 0Sampled Mar 2026 ≤ 0 0 eColiUFC/100ml 0Sampled Mar 2026 ≤ 0 0 BacteriasNMP/100ml 0Sampled Mar 2026 ≤ 0 0 EnterococcusUFC/100ml 0Sampled Mar 2026 ≤ 0 0
Chemical parameters Chemical parameters Parameter Unfiltered tap water Allowed range Filtered Mercuryμg Hg/l Not reported ≤ 1 — Nitritesmg NO2/l 0.01Sampled Mar 2026 ≤ 0.5 0.004 Nitratesmg NO3/l 17.9Sampled Mar 2026 ≤ 50 5.37
Minerals Minerals Parameter Unfiltered tap water Allowed range Filtered Magnesiummg/l 12.4Sampled Mar 2026 No limit 12.4 Chloridemg/l 17.5Sampled Mar 2026 ≤ 250 17.5
Metals Metals Parameter Unfiltered tap water Allowed range Filtered Aluminiumμg/l 10Sampled Mar 2026 ≤ 200 10 Antimonyμg/l 1Sampled May 2025 ≤ 5 1 Arsenicμg/l Not reported ≤ 10 — Cadmiumμg/l 1Sampled May 2025 ≤ 5 1 Chromiumμg/l 5Sampled May 2025 ≤ 50 5 Ironμg/l 10Sampled Mar 2026 ≤ 200 10 Manganeseμg/l 10Sampled Mar 2026 ≤ 50 10 Leadμg/l Not reported ≤ 10 —
Chlorine by-products Chlorine by-products Parameter Unfiltered tap water Allowed range Filtered Total Trihalomethanesμg/l 3.78Sampled Mar 2026 ≤ 100 0.19
Perfluorinated chemicals Perfluorinated chemicals Parameter Unfiltered tap water Allowed range Filtered PFOAug/L 0.001Sampled Jan 2025 No limit 0.001 PFOSug/L 0.001Sampled Jan 2025 No limit 0.001 PFNAug/L 0.001Sampled Jan 2025 No limit 0.001 Total PFASug/L 0.001Sampled Jan 2025 ≤ 0.1 0 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 0.01Sampled Mar 2026 No limit 0.003 Perchlorateug/L 0.43 No limit 0.43 Sulfatemg/l 46.5Sampled Mar 2026 No limit 46.5
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.
Your Water Quality
Independent information about tap water quality in France.
Brought to you by
tappwater.co
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.
