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SAUR
Water safety Water safety Parameter Unfiltered tap water Allowed range Filtered Free Chlorinemg CL2/l 0.25 0.2 – 1 0.005 ▲ Total Chlorinemg CL2/l 0.3 No limit 0.06
General General Parameter Unfiltered tap water Allowed range Filtered TemperatureC 23.5 No limit 23.5 Hardnessmg CaCO3/l 148 80 – 459 148 Hardness fF 14.8 No limit 14.8 pH 6.8 6.5 – 9.5 6.8 TurbidityNTU 0.3 ≤ 4 0.03 ColorColor Units 5 ≤ 15 5 ConductivityμS / cm 340Sampled Dec 2025 ≤ 2,500 340 TDSmg/l 217.6Sampled Dec 2025 estimated 0 – 1,199 217.6 Alkalinitymg CaCO3/l 133 No limit 133 Bicarbonatemg HCO3/l 171Sampled Sept 2025 No limit 171
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 5Sampled Sept 2025 ≤ 50 0.25 Fluoridemg F/l 0.11Sampled Sept 2025 ≤ 1.5 0.033 Mercuryμg Hg/l 0.015Sampled Sept 2025 ≤ 1 0.002 Nitritesmg NO2/l 0.01 ≤ 0.5 0.004 Nitratesmg NO3/l 22 ≤ 50 6.6
Minerals Minerals Parameter Unfiltered tap water Allowed range Filtered Magnesiummg/l 5.2Sampled Sept 2025 No limit 5.2 Calciummg/l 48.8Sampled Sept 2025 No limit 48.8 Potassiummg/l 0.8Sampled Sept 2025 No limit 0.8 Chloridemg/l 16 ≤ 250 16
Metals Metals Parameter Unfiltered tap water Allowed range Filtered Aluminiumμg/l 2Sampled Sept 2025 ≤ 200 2 Antimonyμg/l 0.2Sampled Jul 2025 ≤ 5 0.2 Arsenicμg/l 0.2Sampled Sept 2025 ≤ 10 0.1 Bariumμg/l 57Sampled Sept 2025 ≤ 1,000 57 Cadmiumμg/l 0.075Sampled Jul 2025 ≤ 5 0.075 Chromiumμg/l 0.5Sampled Jul 2025 ≤ 50 0.5 Copperμg/l 174 ≤ 2,000 8.7 Ironμg/l 3 ≤ 200 3 Manganeseμg/l 1Sampled Sept 2025 ≤ 50 1 Leadμg/l 1.9 ≤ 10 0.095 Nickelμg/l 0.7 ≤ 20 0.7 Sodiummg/l 7.8Sampled Sept 2025 ≤ 200 7.8
Chlorine by-products Chlorine by-products Parameter Unfiltered tap water Allowed range Filtered Trichloroethyleneμg/l 0.1Sampled Sept 2025 No limit 0.005
Pesticides Pesticides Parameter Unfiltered tap water Allowed range Filtered Heptachlorug/L 0.001Sampled Sept 2025 ≤ 0.4 0.001 Total pesticidesug/L 0.019Sampled Sept 2025 ≤ 0.5 0.019
Herbicides Herbicides Parameter Unfiltered tap water Allowed range Filtered D 2 4ug/L 0.02Sampled Sept 2025 ≤ 70 0.02 Atrazineug/L 0.01Sampled Sept 2025 ≤ 3 0.01
Perfluorinated chemicals Perfluorinated chemicals Parameter Unfiltered tap water Allowed range Filtered PFOAug/L 0.001Sampled Sept 2025 No limit 0.001 PFOSug/L 0.002Sampled Sept 2025 No limit 0.002 PFNAug/L 0.001Sampled Sept 2025 No limit 0.001 Total PFASug/L 0Sampled Sept 2025 ≤ 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 5.48 No limit 5.48
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.
