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SAUR
Water safety Water safety Parameter Unfiltered tap water Allowed range Filtered Free Chlorinemg CL2/l 0.03 ▲ (Outside the range) 0.2 – 1 0.001 ▲ Total Chlorinemg CL2/l 0.05 No limit 0.01
General General Parameter Unfiltered tap water Allowed range Filtered TemperatureC 11.5 No limit 11.5 Hardnessmg CaCO3/l 98.8Sampled Dec 2025 80 – 459 98.8 Hardness fF 9.88Sampled Dec 2025 No limit 9.88 pH 7.8 6.5 – 9.5 7.8 TurbidityNTU 0.29 ≤ 4 0.029 ColorColor Units 5 ≤ 15 5 ConductivityμS / cm 242 ≤ 2,500 242 TDSmg/l 154.9estimated 0 – 1,199 154.9 Alkalinitymg CaCO3/l 90Sampled Dec 2025 No limit 90
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 0.16Sampled Nov 2025 ≤ 1.5 0.048 Mercuryμg Hg/l 0.01Sampled Nov 2025 ≤ 1 0.001 Nitritesmg NO2/l 0.02Sampled Dec 2025 ≤ 0.5 0.008 Nitratesmg NO3/l 4Sampled Dec 2025 ≤ 50 1.2
Minerals Minerals Parameter Unfiltered tap water Allowed range Filtered Magnesiummg/l 1.5Sampled Nov 2025 No limit 1.5 Calciummg/l 39Sampled Nov 2025 No limit 39 Potassiummg/l 1.5Sampled Nov 2025 No limit 1.5 Chloridemg/l 15Sampled Dec 2025 ≤ 250 15
Metals Metals Parameter Unfiltered tap water Allowed range Filtered Aluminiumμg/l 10Sampled Nov 2025 ≤ 200 10 Antimonyμg/l 1Sampled Jun 2025 ≤ 5 1 Arsenicμg/l 2Sampled Nov 2025 ≤ 10 1 Bariumμg/l 10Sampled Nov 2025 ≤ 1,000 10 Cadmiumμg/l 1Sampled Jun 2025 ≤ 5 1 Chromiumμg/l 5Sampled Jun 2025 ≤ 50 5 Ironμg/l 30 ≤ 200 30 Manganeseμg/l 10Sampled Dec 2025 ≤ 50 10 Leadμg/l Not reported ≤ 10 — Seleniumμg/l 2Sampled Nov 2025 ≤ 10 2 Sodiummg/l 5.5Sampled Nov 2025 ≤ 200 5.5
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 44.5Sampled Nov 2025 ≤ 100 2.23
Pesticides Pesticides Parameter Unfiltered tap water Allowed range Filtered Heptachlorug/L 0.005Sampled Nov 2025 ≤ 0.4 0.005 Total pesticidesug/L 0.027Sampled Nov 2025 ≤ 0.5 0.027
Herbicides Herbicides Parameter Unfiltered tap water Allowed range Filtered D 2 4ug/L 0.02Sampled Nov 2025 ≤ 70 0.02 Atrazineug/L 0.005Sampled Nov 2025 ≤ 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 0.029Sampled Nov 2025 ≤ 0.1 0.003 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 7.9Sampled Dec 2025 No limit 7.9
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.