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SAUR
Water safety Water safety Parameter Unfiltered tap water Allowed range Filtered Free Chlorinemg CL2/l 0.15 ● (Near the limit) 0.2 – 1 0.003 ▲ Total Chlorinemg CL2/l 0.18 No limit 0.036
General General Parameter Unfiltered tap water Allowed range Filtered TemperatureC 19 No limit 19 Hardnessmg CaCO3/l 239.5 80 – 459 239.5 Hardness fF 24 No limit 24 pH 7.7 6.5 – 9.5 7.7 TurbidityNTU 0.12 ≤ 4 0.012 ColorColor Units 5 ≤ 15 5 ConductivityμS / cm 540 ≤ 2,500 540 TDSmg/l 345.6estimated 0 – 1,199 345.6 Alkalinitymg CaCO3/l 238.9 No limit 238.9
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 10Sampled Apr 2026 ≤ 50 0.5 Fluoridemg F/l 0.22Sampled Apr 2026 ≤ 1.5 0.066 Mercuryμg Hg/l 0.5Sampled Apr 2026 ≤ 1 0.05 Nitritesmg NO2/l 0.01 ≤ 0.5 0.004 Nitratesmg NO3/l 13.6 ≤ 50 4.08
Minerals Minerals Parameter Unfiltered tap water Allowed range Filtered Magnesiummg/l 7.4 No limit 7.4 Calciummg/l 83.6 No limit 83.6 Potassiummg/l 2.1Sampled Apr 2026 No limit 2.1 Chloridemg/l 19.6 ≤ 250 19.6
Metals Metals Parameter Unfiltered tap water Allowed range Filtered Aluminiumμg/l 11Sampled Apr 2026 ≤ 200 11 Antimonyμg/l 1Sampled Apr 2026 ≤ 5 1 Arsenicμg/l 2Sampled Apr 2026 ≤ 10 1 Bariumμg/l 34Sampled Apr 2026 ≤ 1,000 34 Cadmiumμg/l 1Sampled Apr 2026 ≤ 5 1 Chromiumμg/l 5Sampled Apr 2026 ≤ 50 5 Copperμg/l 10Sampled Apr 2026 ≤ 2,000 0.5 Ironμg/l 10Sampled Apr 2026 ≤ 200 10 Manganeseμg/l 10Sampled Apr 2026 ≤ 50 10 Leadμg/l 2Sampled Apr 2026 ≤ 10 0.1 Nickelμg/l 5Sampled Apr 2026 ≤ 20 5 Seleniumμg/l 2Sampled Apr 2026 ≤ 10 2 Sodiummg/l 12Sampled Apr 2026 ≤ 200 12
Chlorine by-products Chlorine by-products Parameter Unfiltered tap water Allowed range Filtered Trichloroethyleneμg/l 0.1Sampled Apr 2026 No limit 0.005 Total Trihalomethanesμg/l 35.6 ≤ 100 1.78
Pesticides Pesticides Parameter Unfiltered tap water Allowed range Filtered Heptachlorug/L 0.005Sampled Apr 2026 ≤ 0.4 0.005 Total pesticidesug/L 0.006Sampled Apr 2026 ≤ 0.5 0.006
Herbicides Herbicides Parameter Unfiltered tap water Allowed range Filtered D 2 4ug/L 0.02Sampled Apr 2026 ≤ 70 0.02 Atrazineug/L 0.005Sampled Apr 2026 ≤ 3 0.005
Perfluorinated chemicals Perfluorinated chemicals Parameter Unfiltered tap water Allowed range Filtered PFOAug/L 0.001Sampled Apr 2026 No limit 0.001 PFOSug/L 0.002Sampled Apr 2026 No limit 0.002 PFNAug/L 0.001Sampled Apr 2026 No limit 0.001 Total PFASug/L 0.012Sampled Apr 2026 ≤ 0.1 0.001 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 42.8 No limit 42.8 Uraniumug/L 10Sampled Apr 2026 No limit 10
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.
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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.
