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SAUR
Water safety Water safety Parameter Unfiltered tap water Allowed range Filtered Free Chlorinemg CL2/l 0.36 0.2 – 1 0.007 ▲ Total Chlorinemg CL2/l 0.45 No limit 0.09
General General Parameter Unfiltered tap water Allowed range Filtered TemperatureC 24.4 No limit 24.4 Hardnessmg CaCO3/l 101.5 80 – 459 101.5 Hardness fF 10.2 No limit 10.2 pH 7.8 6.5 – 9.5 7.8 TurbidityNTU 0.11 ≤ 4 0.011 ColorColor Units 5 ≤ 15 5 ConductivityμS / cm 305 ≤ 2,500 305 TDSmg/l 195.2estimated 0 – 1,199 195.2 Alkalinitymg CaCO3/l 113.5 No limit 113.5
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 Jun 2026 ≤ 50 0.5 Fluoridemg F/l 0.07Sampled Jun 2026 ≤ 1.5 0.021 Mercuryμg Hg/l 0.5Sampled Jun 2026 ≤ 1 0.05 Nitritesmg NO2/l 0.01 ≤ 0.5 0.004 Nitratesmg NO3/l 5 ≤ 50 1.5
Minerals Minerals Parameter Unfiltered tap water Allowed range Filtered Magnesiummg/l 4.2 No limit 4.2 Calciummg/l 33.7 No limit 33.7 Potassiummg/l 2.5Sampled Jun 2026 No limit 2.5 Chloridemg/l 24.6 ≤ 250 24.6
Metals Metals Parameter Unfiltered tap water Allowed range Filtered Aluminiumμg/l 47 ≤ 200 47 Antimonyμg/l 1Sampled Jun 2026 ≤ 5 1 Arsenicμg/l 2Sampled Jun 2026 ≤ 10 1 Bariumμg/l 30Sampled Jun 2026 ≤ 1,000 30 Cadmiumμg/l 1Sampled Jun 2026 ≤ 5 1 Chromiumμg/l 5Sampled Jun 2026 ≤ 50 5 Copperμg/l 261Sampled Jun 2026 ≤ 2,000 13.1 Ironμg/l 18Sampled Jun 2026 ≤ 200 18 Manganeseμg/l 10Sampled Jun 2026 ≤ 50 10 Leadμg/l 2Sampled Jun 2026 ≤ 10 0.1 Nickelμg/l 5Sampled Jun 2026 ≤ 20 5 Seleniumμg/l 2Sampled Jun 2026 ≤ 10 2 Sodiummg/l 13.5Sampled Jun 2026 ≤ 200 13.5
Chlorine by-products Chlorine by-products Parameter Unfiltered tap water Allowed range Filtered Trichloroethyleneμg/l 0.1Sampled Jun 2026 No limit 0.005 Total Trihalomethanesμg/l 76 ≤ 100 3.8
Haloacetic acids Haloacetic acids Parameter Unfiltered tap water Allowed range Filtered Total haloacetic acidsμg/l 8.7Sampled Jun 2026 ≤ 60 0.44
Pesticides Pesticides Parameter Unfiltered tap water Allowed range Filtered Heptachlorug/L 0.005Sampled Jun 2026 ≤ 0.4 0.005 Total pesticidesug/L 0.012Sampled Jun 2026 ≤ 0.5 0.012
Herbicides Herbicides Parameter Unfiltered tap water Allowed range Filtered D 2 4ug/L 0.02Sampled Jun 2026 ≤ 70 0.02 Atrazineug/L 0.005Sampled Jun 2026 ≤ 3 0.005
Perfluorinated chemicals Perfluorinated chemicals Parameter Unfiltered tap water Allowed range Filtered PFOAug/L 0.003Sampled Jun 2026 No limit 0.003 PFOSug/L 0.003Sampled Jun 2026 No limit 0.003 PFNAug/L 0.001Sampled Jun 2026 No limit 0.001 Total PFASug/L 0.022Sampled Jun 2026 ≤ 0.1 0.002 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 15 No limit 15 Uraniumug/L 10Sampled Jun 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.
