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SAUR FRANCE
Water safety Water safety Parameter Unfiltered tap water Allowed range Filtered Free Chlorinemg CL2/l 0.71 0.2 – 1 0.014 ▲ Total Chlorinemg CL2/l 0.8 No limit 0.16
General General Parameter Unfiltered tap water Allowed range Filtered TemperatureC 25 No limit 25 Hardnessmg CaCO3/l 123 80 – 459 123 Hardness fF 12.3 No limit 12.3 pH 8.2 6.5 – 9.5 8.2 TurbidityNTU 0.3 ≤ 4 0.03 ColorColor Units 5 ≤ 15 5 ConductivityμS / cm 446 ≤ 2,500 446 TDSmg/l 285.4estimated 0 – 1,199 285.4 Alkalinitymg CaCO3/l 76 No limit 76 Bicarbonatemg HCO3/l 79Sampled May 2026 No limit 79
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 0.062Sampled Jan 2026 ≤ 1.5 0.019 Mercuryμg Hg/l 0.01Sampled Jan 2026 ≤ 1 0.001 Nitritesmg NO2/l 0.01 ≤ 0.5 0.004 Nitratesmg NO3/l 9.9 ≤ 50 2.97
Minerals Minerals Parameter Unfiltered tap water Allowed range Filtered Magnesiummg/l 7.2Sampled May 2026 No limit 7.2 Calciummg/l 35.7Sampled May 2026 No limit 35.7 Potassiummg/l 4.2Sampled May 2026 No limit 4.2 Chloridemg/l 70.8 ≤ 250 70.8
Metals Metals Parameter Unfiltered tap water Allowed range Filtered Aluminiumμg/l 1Sampled Jan 2026 ≤ 200 1 Antimonyμg/l 0.11Sampled Jan 2026 ≤ 5 0.11 Arsenicμg/l 0.2Sampled Jan 2026 ≤ 10 0.1 Bariumμg/l 16Sampled Jan 2026 ≤ 1,000 16 Cadmiumμg/l 0.02Sampled Jan 2026 ≤ 5 0.02 Chromiumμg/l 0.3Sampled Jan 2026 ≤ 50 0.3 Ironμg/l 5 ≤ 200 5 Manganeseμg/l 0.5 ≤ 50 0.5 Leadμg/l Not reported ≤ 10 — Seleniumμg/l 0.2Sampled Jan 2026 ≤ 10 0.2 Sodiummg/l 20.6Sampled May 2026 ≤ 200 20.6
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 3.2Sampled Sept 2025 ≤ 100 0.16
Pesticides Pesticides Parameter Unfiltered tap water Allowed range Filtered Chlordaneug/L 0Sampled Jan 2026 ≤ 2 0 Heptachlorug/L 0.001Sampled Jan 2026 ≤ 0.4 0.001 Total pesticidesug/L 0.012Sampled Jan 2026 ≤ 0.5 0.012
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 0.005Sampled Jan 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 21.2 No limit 21.2 Uraniumug/L 0.02Sampled Jan 2026 No limit 0.02
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.
