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SAUR
Water safety Water safety Parameter Unfiltered tap water Allowed range Filtered Free Chlorinemg CL2/l 0.31 0.2 – 1 0.006 ▲ Total Chlorinemg CL2/l 0.33 No limit 0.066
General General Parameter Unfiltered tap water Allowed range Filtered TemperatureC 20 No limit 20 Hardnessmg CaCO3/l 184.1 80 – 459 184.1 Hardness fF 18.4 No limit 18.4 pH 7.85 6.5 – 9.5 7.85 TurbidityNTU 0.1 ≤ 4 0.01 ColorColor Units 5 ≤ 15 5 ConductivityμS / cm 425 ≤ 2,500 425 TDSmg/l 272estimated 0 – 1,199 272 Alkalinitymg CaCO3/l 187.2 No limit 187.2
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 10 ≤ 50 0.5 Fluoridemg F/l 0.14 ≤ 1.5 0.042 Mercuryμg Hg/l 0.5 ≤ 1 0.05 Nitritesmg NO2/l 0.01 ≤ 0.5 0.004 Nitratesmg NO3/l 7.1 ≤ 50 2.13
Minerals Minerals Parameter Unfiltered tap water Allowed range Filtered Magnesiummg/l 5.3 No limit 5.3 Calciummg/l 63.1 No limit 63.1 Potassiummg/l 1.8 No limit 1.8 Chloridemg/l 16.4 ≤ 250 16.4
Metals Metals Parameter Unfiltered tap water Allowed range Filtered Aluminiumμg/l 13 ≤ 200 13 Antimonyμg/l 1 ≤ 5 1 Arsenicμg/l 2 ≤ 10 1 Bariumμg/l 35 ≤ 1,000 35 Cadmiumμg/l 1 ≤ 5 1 Chromiumμg/l 5 ≤ 50 5 Copperμg/l 11 ≤ 2,000 0.55 Ironμg/l 10 ≤ 200 10 Manganeseμg/l 10 ≤ 50 10 Leadμg/l 2 ≤ 10 0.1 Nickelμg/l 5 ≤ 20 5 Seleniumμg/l 2 ≤ 10 2 Sodiummg/l 9.5 ≤ 200 9.5
Chlorine by-products Chlorine by-products Parameter Unfiltered tap water Allowed range Filtered Trichloroethyleneμg/l 0.1 No limit 0.005 Total Trihalomethanesμg/l 4.74Sampled Jul 2026 ≤ 100 0.24
Pesticides Pesticides Parameter Unfiltered tap water Allowed range Filtered Heptachlorug/L 0.005 ≤ 0.4 0.005 Total pesticidesug/L 0.5 ● (Near the limit) ≤ 0.5 0.5 ●
Herbicides Herbicides Parameter Unfiltered tap water Allowed range Filtered D 2 4ug/L 0.02 ≤ 70 0.02 Atrazineug/L 0.005 ≤ 3 0.005
Perfluorinated chemicals Perfluorinated chemicals Parameter Unfiltered tap water Allowed range Filtered PFOAug/L 0.002 No limit 0.002 PFOSug/L 0.004 No limit 0.004 PFNAug/L 0.002 No limit 0.002 Total PFASug/L 0.026 ≤ 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 30.7 No limit 30.7 Uraniumug/L 10 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.
