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MAIRIE DE CHANTRIGNE
Water safety Water safety Parameter Unfiltered tap water Allowed range Filtered Free Chlorinemg CL2/l 0.1 ● (Near the limit) 0.2 – 1 0.002 ▲ Total Chlorinemg CL2/l 0.25 No limit 0.05
General General Parameter Unfiltered tap water Allowed range Filtered TemperatureC 20 No limit 20 Hardnessmg CaCO3/l 132Sampled Jun 2026 80 – 459 132 Hardness fF 13.2Sampled Jun 2026 No limit 13.2 pH 7.3 6.5 – 9.5 7.3 TurbidityNTU 0.3 ≤ 4 0.03 ColorColor Units 5Sampled Jun 2026 ≤ 15 5 ConductivityμS / cm 358 ≤ 2,500 358 TDSmg/l 229.1estimated 0 – 1,199 229.1 Alkalinitymg CaCO3/l 100Sampled Jun 2026 No limit 100 Bicarbonatemg HCO3/l 124Sampled Feb 2026 No limit 124
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 Cyanide totalμg CN/l 5Sampled Sept 2025 ≤ 50 0.25 Fluoridemg F/l 0.28Sampled Sept 2025 ≤ 1.5 0.083 Mercuryμg Hg/l 0.015Sampled Sept 2025 ≤ 1 0.002 Nitritesmg NO2/l 0.01Sampled Jun 2026 ≤ 0.5 0.004 Nitratesmg NO3/l 0.5Sampled Jun 2026 ≤ 50 0.15
Minerals Minerals Parameter Unfiltered tap water Allowed range Filtered Magnesiummg/l 6.6Sampled Feb 2026 No limit 6.6 Calciummg/l 40.8Sampled Feb 2026 No limit 40.8 Potassiummg/l 2.2Sampled Feb 2026 No limit 2.2 Chloridemg/l 27.4Sampled Jun 2026 ≤ 250 27.4
Metals Metals Parameter Unfiltered tap water Allowed range Filtered Aluminiumμg/l 2Sampled Sept 2025 ≤ 200 2 Antimonyμg/l 0.2Sampled Jun 2025 ≤ 5 0.2 Arsenicμg/l 0.2Sampled Sept 2025 ≤ 10 0.1 Bariumμg/l 104Sampled Sept 2025 ≤ 1,000 104 Cadmiumμg/l 0.011Sampled Jun 2025 ≤ 5 0.011 Chromiumμg/l 0.4Sampled Jun 2025 ≤ 50 0.4 Copperμg/l 5.1Sampled Jun 2026 ≤ 2,000 0.26 Ironμg/l 3Sampled Jun 2026 ≤ 200 3 Manganeseμg/l 0.5Sampled Jun 2026 ≤ 50 0.5 Leadμg/l 0.5Sampled Jun 2026 ≤ 10 0.025 Nickelμg/l 0.2Sampled Jun 2026 ≤ 20 0.2 Seleniumμg/l 0.2Sampled Sept 2025 ≤ 10 0.2 Sodiummg/l 15.3Sampled Feb 2026 ≤ 200 15.3
Chlorine by-products Chlorine by-products Parameter Unfiltered tap water Allowed range Filtered Trichloroethyleneμg/l 0.1Sampled Sept 2025 No limit 0.005 Total Trihalomethanesμg/l 1Sampled Sept 2025 ≤ 100 0.05
Pesticides Pesticides Parameter Unfiltered tap water Allowed range Filtered Chlordaneug/L 0Sampled Sept 2025 ≤ 2 0 Heptachlorug/L 0.001Sampled Sept 2025 ≤ 0.4 0.001 Total pesticidesug/L 0Sampled Sept 2025 ≤ 0.5 0
Herbicides Herbicides Parameter Unfiltered tap water Allowed range Filtered D 2 4ug/L 0.02Sampled Sept 2025 ≤ 70 0.02 Atrazineug/L 0.01Sampled Sept 2025 ≤ 3 0.01
Perfluorinated chemicals Perfluorinated chemicals Parameter Unfiltered tap water Allowed range Filtered PFOAug/L 0.001Sampled Sept 2025 No limit 0.001 PFOSug/L 0.002Sampled Sept 2025 No limit 0.002 PFNAug/L 0.001Sampled Sept 2025 No limit 0.001 Total PFASug/L 0Sampled Sept 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 Jun 2026 No limit 0.003 Sulfatemg/l 35.9Sampled Jun 2026 No limit 35.9
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.
