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SAUR
Water safety Water safety Parameter Unfiltered tap water Allowed range Filtered Free Chlorinemg CL2/l 0.77 0.2 – 1 0.015 ▲ Total Chlorinemg CL2/l 0.87 No limit 0.17
General General Parameter Unfiltered tap water Allowed range Filtered TemperatureC 19.3 No limit 19.3 Hardnessmg CaCO3/l 163.6 80 – 459 163.6 Hardness fF 16.4 No limit 16.4 pH 7.3 6.5 – 9.5 7.3 TurbidityNTU 0.23 ≤ 4 0.023 ColorColor Units 5 ≤ 15 5 ConductivityμS / cm 388 ≤ 2,500 388 TDSmg/l 248.3estimated 0 – 1,199 248.3 Alkalinitymg CaCO3/l 110.5 No limit 110.5
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 Nov 2025 ≤ 50 0.5 Fluoridemg F/l 0.05Sampled Nov 2025 ≤ 1.5 0.015 Mercuryμg Hg/l 0.01Sampled Nov 2025 ≤ 1 0.001 Nitritesmg NO2/l 0.01 ≤ 0.5 0.004 Nitratesmg NO3/l 1.4 ≤ 50 0.42
Minerals Minerals Parameter Unfiltered tap water Allowed range Filtered Magnesiummg/l 0.7 No limit 0.7 Calciummg/l 66 No limit 66 Potassiummg/l 0.5 No limit 0.5 Chloridemg/l 65 ≤ 250 65
Metals Metals Parameter Unfiltered tap water Allowed range Filtered Aluminiumμg/l 10Sampled Nov 2025 ≤ 200 10 Arsenicμg/l 2Sampled Nov 2025 ≤ 10 1 Bariumμg/l 26Sampled Nov 2025 ≤ 1,000 26 Ironμg/l 10 ≤ 200 10 Manganeseμg/l 10Sampled Nov 2025 ≤ 50 10 Leadμg/l Not reported ≤ 10 — Seleniumμg/l 2Sampled Nov 2025 ≤ 10 2 Sodiummg/l 6.1 ≤ 200 6.1
Chlorine by-products Chlorine by-products Parameter Unfiltered tap water Allowed range Filtered Trichloroethyleneμg/l 0.1Sampled Nov 2025 No limit 0.005 Total Trihalomethanesμg/l 50.1 ≤ 100 2.51
Haloacetic acids Haloacetic acids Parameter Unfiltered tap water Allowed range Filtered Total haloacetic acidsμg/l 13.8 ≤ 60 0.69
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 0.001Sampled Nov 2025 No limit 0.001 PFOSug/L 0.001Sampled Nov 2025 No limit 0.001 PFNAug/L 0.001Sampled Nov 2025 No limit 0.001 Total PFASug/L 0.029Sampled Nov 2025 ≤ 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 2.4 No limit 2.4
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.
