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SIEBAG
Water safety Water safety Parameter Unfiltered tap water Allowed range Filtered Free Chlorinemg CL2/l 0.26 0.2 – 1 0.005 ▲ Total Chlorinemg CL2/l 0.26 No limit 0.052
General General Parameter Unfiltered tap water Allowed range Filtered TemperatureC 26.2 No limit 26.2 Hardnessmg CaCO3/l 133.5 80 – 459 133.5 Hardness fF 13.4 No limit 13.4 pH 8.17 6.5 – 9.5 8.17 TurbidityNTU 0.13 ≤ 4 0.013 ColorColor Units 5 ≤ 15 5 ConductivityμS / cm 326 ≤ 2,500 326 TDSmg/l 208.6estimated 0 – 1,199 208.6 Alkalinitymg CaCO3/l 90 No limit 90 Bicarbonatemg HCO3/l 136Sampled Mar 2026 No limit 136
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 Mar 2026 ≤ 50 0.5 Fluoridemg F/l 0.05Sampled Mar 2026 ≤ 1.5 0.015 Mercuryμg Hg/l 0.5Sampled Mar 2026 ≤ 1 0.05 Nitritesmg NO2/l 0.01 ≤ 0.5 0.004 Nitratesmg NO3/l 0.5 ≤ 50 0.15
Minerals Minerals Parameter Unfiltered tap water Allowed range Filtered Magnesiummg/l 5.1 No limit 5.1 Calciummg/l 45 No limit 45 Potassiummg/l 1.5Sampled Mar 2026 No limit 1.5 Chloridemg/l 9.2 ≤ 250 9.2
Metals Metals Parameter Unfiltered tap water Allowed range Filtered Aluminiumμg/l 10Sampled Mar 2026 ≤ 200 10 Antimonyμg/l 1Sampled Mar 2026 ≤ 5 1 Arsenicμg/l 2Sampled Mar 2026 ≤ 10 1 Bariumμg/l 10Sampled Mar 2026 ≤ 1,000 10 Cadmiumμg/l 1Sampled Mar 2026 ≤ 5 1 Chromiumμg/l 5Sampled Mar 2026 ≤ 50 5 Ironμg/l 10Sampled Mar 2026 ≤ 200 10 Manganeseμg/l 10Sampled Mar 2026 ≤ 50 10 Leadμg/l Not reported ≤ 10 — Seleniumμg/l 2Sampled Mar 2026 ≤ 10 2 Sodiummg/l 11.6Sampled Mar 2026 ≤ 200 11.6
Chlorine by-products Chlorine by-products Parameter Unfiltered tap water Allowed range Filtered Trichloroethyleneμg/l 0.1Sampled Mar 2026 No limit 0.005 Total Trihalomethanesμg/l 10.1Sampled Mar 2026 ≤ 100 0.51
Haloacetic acids Haloacetic acids Parameter Unfiltered tap water Allowed range Filtered Total haloacetic acidsμg/l 2.5Sampled Mar 2026 ≤ 60 0.13
Pesticides Pesticides Parameter Unfiltered tap water Allowed range Filtered Heptachlorug/L 0.005Sampled Mar 2026 ≤ 0.4 0.005 Total pesticidesug/L 0.005Sampled Mar 2026 ≤ 0.5 0.005
Herbicides Herbicides Parameter Unfiltered tap water Allowed range Filtered D 2 4ug/L 0.02Sampled Mar 2026 ≤ 70 0.02 Atrazineug/L 0.005Sampled Mar 2026 ≤ 3 0.005
Perfluorinated chemicals Perfluorinated chemicals Parameter Unfiltered tap water Allowed range Filtered PFOAug/L 0.001Sampled Mar 2026 No limit 0.001 PFOSug/L 0.002Sampled Mar 2026 No limit 0.002 PFNAug/L 0.001Sampled Mar 2026 No limit 0.001 Total PFASug/L 0.003Sampled Mar 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 65 No limit 65 Uraniumug/L 10Sampled Mar 2026 No limit 10
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.
