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SAUR
Water safety Water safety Parameter Unfiltered tap water Allowed range Filtered Free Chlorinemg CL2/l 0.6 0.2 – 1 0.012 ▲ Total Chlorinemg CL2/l 0.69 No limit 0.14
General General Parameter Unfiltered tap water Allowed range Filtered TemperatureC 23.3 No limit 23.3 Hardnessmg CaCO3/l 231 80 – 459 231 Hardness fF 23.1 No limit 23.1 pH 7.7 6.5 – 9.5 7.7 TurbidityNTU 0.3 ≤ 4 0.03 ColorColor Units 5 ≤ 15 5 ConductivityμS / cm 529Sampled Dec 2025 ≤ 2,500 529 TDSmg/l 338.6Sampled Dec 2025 estimated 0 – 1,199 338.6 Alkalinitymg CaCO3/l 180 No limit 180
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 Jan 2026 ≤ 50 0.25 Fluoridemg F/l 0.1Sampled Jan 2026 ≤ 1.5 0.03 Mercuryμg Hg/l 0.015Sampled Jan 2026 ≤ 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 7.4Sampled Jan 2026 No limit 7.4 Calciummg/l 98.3Sampled Jan 2026 No limit 98.3 Potassiummg/l 1Sampled Jan 2026 No limit 1 Chloridemg/l 24.6 ≤ 250 24.6
Metals Metals Parameter Unfiltered tap water Allowed range Filtered Aluminiumμg/l 7Sampled Jan 2026 ≤ 200 7 Antimonyμg/l 0.2Sampled Jan 2026 ≤ 5 0.2 Arsenicμg/l 0.2Sampled Jan 2026 ≤ 10 0.1 Bariumμg/l 30Sampled Jan 2026 ≤ 1,000 30 Cadmiumμg/l 0.01Sampled Jan 2026 ≤ 5 0.01 Chromiumμg/l 0.7Sampled Jan 2026 ≤ 50 0.7 Copperμg/l 2.6Sampled Jan 2026 ≤ 2,000 0.13 Ironμg/l 3 ≤ 200 3 Manganeseμg/l 1Sampled Jan 2026 ≤ 50 1 Leadμg/l 0.2Sampled Jan 2026 ≤ 10 0.01 Nickelμg/l 1.2Sampled Jan 2026 ≤ 20 1.2 Sodiummg/l 7.1Sampled Jan 2026 ≤ 200 7.1
Chlorine by-products Chlorine by-products Parameter Unfiltered tap water Allowed range Filtered Trichloroethyleneμg/l 0.1Sampled Jan 2026 No limit 0.005 Total Trihalomethanesμg/l 5.1 ≤ 100 0.26
Haloacetic acids Haloacetic acids Parameter Unfiltered tap water Allowed range Filtered Total haloacetic acidsμg/l 1.3Sampled Jan 2026 ≤ 60 0.065
Pesticides Pesticides Parameter Unfiltered tap water Allowed range Filtered Heptachlorug/L 0.001Sampled Jan 2026 ≤ 0.4 0.001 Total pesticidesug/L 0.05Sampled Jan 2026 ≤ 0.5 0.05
Herbicides Herbicides Parameter Unfiltered tap water Allowed range Filtered D 2 4ug/L 0.02Sampled Jan 2026 ≤ 70 0.02 Atrazineug/L 0.01Sampled Jan 2026 ≤ 3 0.01
Perfluorinated chemicals Perfluorinated chemicals Parameter Unfiltered tap water Allowed range Filtered PFOAug/L 0.001Sampled Jan 2026 No limit 0.001 PFOSug/L 0.002Sampled Jan 2026 No limit 0.002 PFNAug/L 0.001Sampled Jan 2026 No limit 0.001 Total PFASug/L 0.006Sampled Jan 2026 ≤ 0.1 0.001 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 21.2 No limit 21.2 Uraniumug/L 0.5Sampled Jan 2026 No limit 0.5
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.
