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SAUR
Water safety Water safety Parameter Unfiltered tap water Allowed range Filtered Free Chlorinemg CL2/l 0.05 ● (Near the limit) 0.2 – 1 0.001 ▲ Total Chlorinemg CL2/l 0.09 No limit 0.018
General General Parameter Unfiltered tap water Allowed range Filtered TemperatureC 27.4 No limit 27.4 Hardnessmg CaCO3/l 243Sampled Jul 2026 80 – 459 243 Hardness fF 24.3Sampled Jul 2026 No limit 24.3 pH 7.3 6.5 – 9.5 7.3 TurbidityNTU 0.3Sampled Jul 2026 ≤ 4 0.03 ColorColor Units 5Sampled Jul 2026 ≤ 15 5 ConductivityμS / cm 543Sampled Oct 2025 ≤ 2,500 543 TDSmg/l 347.5Sampled Oct 2025 estimated 0 – 1,199 347.5 Alkalinitymg CaCO3/l 211Sampled Jul 2026 No limit 211 Bicarbonatemg HCO3/l 265Sampled Sept 2025 No limit 265
Pathogens Pathogens Parameter Unfiltered tap water Allowed range Filtered ClostridiumUFC/100ml 0Sampled Jul 2026 ≤ 0 0 eColiUFC/100ml 0Sampled Jul 2026 ≤ 0 0 BacteriasNMP/100ml 0Sampled Jul 2026 ≤ 0 0 EnterococcusUFC/100ml 0Sampled Jul 2026 ≤ 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 1.33 ● (Near the limit) ≤ 1.5 0.4 Mercuryμg Hg/l 0.015Sampled Sept 2025 ≤ 1 0.002 Nitritesmg NO2/l 0.01Sampled Jul 2026 ≤ 0.5 0.004 Nitratesmg NO3/l 47 ● (Near the limit) Sampled Jul 2026 ≤ 50 14.1
Minerals Minerals Parameter Unfiltered tap water Allowed range Filtered Magnesiummg/l 10.9Sampled Sept 2025 No limit 10.9 Calciummg/l 76.8Sampled Sept 2025 No limit 76.8 Potassiummg/l 2.3Sampled Sept 2025 No limit 2.3 Chloridemg/l 11.8Sampled Jul 2026 ≤ 250 11.8
Metals Metals Parameter Unfiltered tap water Allowed range Filtered Aluminiumμg/l 2Sampled Sept 2025 ≤ 200 2 Antimonyμg/l 0.2Sampled Sept 2025 ≤ 5 0.2 Arsenicμg/l 0.2Sampled Sept 2025 ≤ 10 0.1 Bariumμg/l 12Sampled Sept 2025 ≤ 1,000 12 Cadmiumμg/l 0.029Sampled Sept 2025 ≤ 5 0.029 Chromiumμg/l 0.6Sampled Sept 2025 ≤ 50 0.6 Copperμg/l 7.4Sampled Apr 2026 ≤ 2,000 0.37 Ironμg/l 9Sampled Jul 2026 ≤ 200 9 Manganeseμg/l 1Sampled Sept 2025 ≤ 50 1 Leadμg/l 0.3Sampled Apr 2026 ≤ 10 0.015 Nickelμg/l 0.8Sampled Apr 2026 ≤ 20 0.8 Sodiummg/l 9.8Sampled Sept 2025 ≤ 200 9.8
Chlorine by-products Chlorine by-products Parameter Unfiltered tap water Allowed range Filtered Trichloroethyleneμg/l 0.1Sampled Sept 2025 No limit 0.005 Total Trihalomethanesμg/l 6.1Sampled Feb 2026 ≤ 100 0.31
Pesticides Pesticides Parameter Unfiltered tap water Allowed range Filtered Heptachlorug/L 0.001Sampled Sept 2025 ≤ 0.4 0.001 Total pesticidesug/L 0.054Sampled Sept 2025 ≤ 0.5 0.054
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 0.007Sampled Sept 2025 No limit 0.007 PFOSug/L 0.002Sampled Sept 2025 No limit 0.002 PFNAug/L 0.001Sampled Sept 2025 No limit 0.001 Total PFASug/L 0.015Sampled Sept 2025 ≤ 0.1 0.002 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 0.01Sampled Jul 2026 No limit 0.003 Sulfatemg/l 24.3Sampled Jul 2026 No limit 24.3
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.
