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SAUR
Water safety Water safety Parameter Unfiltered tap water Allowed range Filtered Free Chlorinemg CL2/l 0.08 ● (Near the limit) 0.2 – 1 0.002 ▲ Total Chlorinemg CL2/l 0.12 No limit 0.024
General General Parameter Unfiltered tap water Allowed range Filtered TemperatureC 20.9 No limit 20.9 Hardnessmg CaCO3/l 168.3 80 – 459 168.3 Hardness fF 16.8 No limit 16.8 pH 7.6 6.5 – 9.5 7.6 TurbidityNTU 0.1 ≤ 4 0.01 ColorColor Units 5 ≤ 15 5 ConductivityμS / cm 454 ≤ 2,500 454 TDSmg/l 290.6estimated 0 – 1,199 290.6 Alkalinitymg CaCO3/l 186.2 No limit 186.2
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 May 2026 ≤ 50 0.5 Fluoridemg F/l 0.18Sampled May 2026 ≤ 1.5 0.054 Mercuryμg Hg/l 0.5Sampled May 2026 ≤ 1 0.05 Nitritesmg NO2/l 0.01 ≤ 0.5 0.004 Nitratesmg NO3/l 24.6 ≤ 50 7.38
Minerals Minerals Parameter Unfiltered tap water Allowed range Filtered Magnesiummg/l 9.3 No limit 9.3 Calciummg/l 52 No limit 52 Potassiummg/l 1.7Sampled May 2026 No limit 1.7 Chloridemg/l 25.8 ≤ 250 25.8
Metals Metals Parameter Unfiltered tap water Allowed range Filtered Aluminiumμg/l 10Sampled May 2026 ≤ 200 10 Antimonyμg/l 1Sampled May 2026 ≤ 5 1 Arsenicμg/l 2.9Sampled May 2026 ≤ 10 1.45 Bariumμg/l 153Sampled May 2026 ≤ 1,000 153 Cadmiumμg/l 1Sampled May 2026 ≤ 5 1 Chromiumμg/l 5Sampled May 2026 ≤ 50 5 Copperμg/l 26Sampled May 2026 ≤ 2,000 1.3 Ironμg/l 10Sampled May 2026 ≤ 200 10 Manganeseμg/l 10Sampled May 2026 ≤ 50 10 Leadμg/l 2Sampled May 2026 ≤ 10 0.1 Nickelμg/l 5Sampled May 2026 ≤ 20 5 Seleniumμg/l 2Sampled May 2026 ≤ 10 2 Sodiummg/l 39.6Sampled May 2026 ≤ 200 39.6
Chlorine by-products Chlorine by-products Parameter Unfiltered tap water Allowed range Filtered Trichloroethyleneμg/l 0.1Sampled May 2026 No limit 0.005 Total Trihalomethanesμg/l 20.9 ≤ 100 1.04
Haloacetic acids Haloacetic acids Parameter Unfiltered tap water Allowed range Filtered Total haloacetic acidsμg/l 1.3Sampled May 2026 ≤ 60 0.065
Pesticides Pesticides Parameter Unfiltered tap water Allowed range Filtered Heptachlorug/L 0.01Sampled May 2026 ≤ 0.4 0.01 Total pesticidesug/L 0.5 ● (Near the limit) Sampled May 2026 ≤ 0.5 0.5 ●
Herbicides Herbicides Parameter Unfiltered tap water Allowed range Filtered D 2 4ug/L 0.02Sampled May 2026 ≤ 70 0.02 Atrazineug/L 0.005Sampled May 2026 ≤ 3 0.005
Perfluorinated chemicals Perfluorinated chemicals Parameter Unfiltered tap water Allowed range Filtered PFOAug/L 0.001Sampled May 2026 No limit 0.001 PFOSug/L 0.001Sampled May 2026 No limit 0.001 PFNAug/L 0.001Sampled May 2026 No limit 0.001 Total PFASug/L 0.029Sampled May 2026 ≤ 0.1 0.003 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 24.2 No limit 24.2 Uraniumug/L 10Sampled May 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.
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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.
