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SAUR
Water safety Water safety Parameter Unfiltered tap water Allowed range Filtered Free Chlorinemg CL2/l 0.89 0.2 – 1 0.018 ▲ Total Chlorinemg CL2/l 1.14 No limit 0.23
General General Parameter Unfiltered tap water Allowed range Filtered TemperatureC 7.1 No limit 7.1 Hardnessmg CaCO3/l 80.9 80 – 459 80.9 Hardness fF 8.09 No limit 8.09 pH 7.2 6.5 – 9.5 7.2 TurbidityNTU 0.51 ≤ 4 0.051 ColorColor Units 5 ≤ 15 5 ConductivityμS / cm 251 ≤ 2,500 251 TDSmg/l 160.6estimated 0 – 1,199 160.6 Alkalinitymg CaCO3/l 68.5 No limit 68.5
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 Nov 2025 ≤ 50 0.5 Fluoridemg F/l 0.09Sampled Nov 2025 ≤ 1.5 0.027 Mercuryμg Hg/l 0.01Sampled Nov 2025 ≤ 1 0.001 Nitritesmg NO2/l 0.02 ≤ 0.5 0.008 Nitratesmg NO3/l 8.5 ≤ 50 2.55
Minerals Minerals Parameter Unfiltered tap water Allowed range Filtered Magnesiummg/l 5.6Sampled Nov 2025 No limit 5.6 Calciummg/l 27.5Sampled Nov 2025 No limit 27.5 Potassiummg/l 3.8Sampled Nov 2025 No limit 3.8 Chloridemg/l 24 ≤ 250 24
Metals Metals Parameter Unfiltered tap water Allowed range Filtered Aluminiumμg/l 17Sampled Dec 2025 ≤ 200 17 Antimonyμg/l 1Sampled Aug 2025 ≤ 5 1 Arsenicμg/l 2Sampled Nov 2025 ≤ 10 1 Bariumμg/l 29Sampled Nov 2025 ≤ 1,000 29 Cadmiumμg/l 1Sampled Aug 2025 ≤ 5 1 Chromiumμg/l 5Sampled Aug 2025 ≤ 50 5 Ironμg/l 10Sampled Nov 2025 ≤ 200 10 Manganeseμg/l 10Sampled Nov 2025 ≤ 50 10 Leadμg/l Not reported ≤ 10 — Seleniumμg/l 2Sampled Nov 2025 ≤ 10 2 Sodiummg/l 16.2Sampled Nov 2025 ≤ 200 16.2
Chlorine by-products Chlorine by-products Parameter Unfiltered tap water Allowed range Filtered Trichloroethyleneμg/l 0.1Sampled Nov 2025 No limit 0.005 Total Trihalomethanesμg/l 3.02Sampled Nov 2025 ≤ 100 0.15
Pesticides Pesticides Parameter Unfiltered tap water Allowed range Filtered Heptachlorug/L 0.005 ≤ 0.4 0.005 Total pesticidesug/L 0.5 ● (Near the limit) ≤ 0.5 0.5 ●
Herbicides Herbicides Parameter Unfiltered tap water Allowed range Filtered D 2 4ug/L 0.02 ≤ 70 0.02 Atrazineug/L 0.005 ≤ 3 0.005
Perfluorinated chemicals Perfluorinated chemicals Parameter Unfiltered tap water Allowed range Filtered PFOAug/L 0.001Sampled Nov 2025 No limit 0.001 PFOSug/L 0.001Sampled Nov 2025 No limit 0.001 PFNAug/L 0.001Sampled Nov 2025 No limit 0.001 Total PFASug/L 0.005Sampled Nov 2025 ≤ 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 0.05 No limit 0.015 Sulfatemg/l 11 No limit 11
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.
