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S.A.U.R. 45
Water safety Water safety Parameter Unfiltered tap water Allowed range Filtered Free Chlorinemg CL2/l 0.03 ▲ (Outside the range) 0.2 – 1 0.001 ▲ Total Chlorinemg CL2/l 0.1 No limit 0.02
General General Parameter Unfiltered tap water Allowed range Filtered TemperatureC 25.4 No limit 25.4 Hardnessmg CaCO3/l 133.1 80 – 459 133.1 Hardness fF 13.3 No limit 13.3 pH 7.8 6.5 – 9.5 7.8 TurbidityNTU 0.47 ≤ 4 0.047 ColorColor Units 5 ≤ 15 5 ConductivityμS / cm 333 ≤ 2,500 333 TDSmg/l 213.1estimated 0 – 1,199 213.1 Alkalinitymg CaCO3/l 91.7 No limit 91.7
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 0.1Sampled May 2026 ≤ 1.5 0.03 Mercuryμg Hg/l 0.01Sampled May 2026 ≤ 1 0.001 Nitritesmg NO2/l 0.01 ≤ 0.5 0.004 Nitratesmg NO3/l 8.7 ≤ 50 2.61
Minerals Minerals Parameter Unfiltered tap water Allowed range Filtered Magnesiummg/l 3.7Sampled May 2026 No limit 3.7 Calciummg/l 41.2Sampled May 2026 No limit 41.2 Potassiummg/l 3.3Sampled May 2026 No limit 3.3 Chloridemg/l 38.8 ≤ 250 38.8
Metals Metals Parameter Unfiltered tap water Allowed range Filtered Aluminiumμg/l 51Sampled May 2026 ≤ 200 51 Antimonyμg/l 1Sampled May 2026 ≤ 5 1 Arsenicμg/l 2Sampled May 2026 ≤ 10 1 Bariumμg/l 34Sampled May 2026 ≤ 1,000 34 Cadmiumμg/l 1Sampled May 2026 ≤ 5 1 Chromiumμg/l 5Sampled May 2026 ≤ 50 5 Copperμg/l 10Sampled May 2026 ≤ 2,000 0.5 Ironμg/l 104 ≤ 200 104 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 7.1Sampled May 2026 ≤ 200 7.1
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 91.3 ● (Near the limit) Sampled Jun 2026 ≤ 100 4.56
Haloacetic acids Haloacetic acids Parameter Unfiltered tap water Allowed range Filtered Total haloacetic acidsμg/l 26.2Sampled May 2026 ≤ 60 1.31
Pesticides Pesticides Parameter Unfiltered tap water Allowed range Filtered Total pesticidesug/L 0.027Sampled May 2026 ≤ 0.5 0.027
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 0.004Sampled May 2026 ≤ 0.1 0 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 9.5 No limit 9.5 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.
