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SETA
Water safety Water safety Parameter Unfiltered tap water Allowed range Filtered Free Chlorinemg CL2/l 0.22 0.2 – 1 0.004 ▲ Total Chlorinemg CL2/l 0.27 No limit 0.054
General General Parameter Unfiltered tap water Allowed range Filtered TemperatureC 29.8 No limit 29.8 Hardnessmg CaCO3/l 309.8 80 – 459 309.8 Hardness fF 31 No limit 31 pH 7.2 6.5 – 9.5 7.2 TurbidityNTU 0.14 ≤ 4 0.014 ColorColor Units 5 ≤ 15 5 ConductivityμS / cm 650 ≤ 2,500 650 TDSmg/l 416estimated 0 – 1,199 416 Alkalinitymg CaCO3/l 297.5 No limit 297.5 Bicarbonatemg HCO3/l 334Sampled May 2026 No limit 334
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 May 2026 ≤ 50 0.5 Fluoridemg F/l 0.06Sampled May 2026 ≤ 1.5 0.018 Mercuryμg Hg/l 0.5Sampled May 2026 ≤ 1 0.05 Nitritesmg NO2/l 0.01 ≤ 0.5 0.004 Nitratesmg NO3/l 35.1 ≤ 50 10.5
Minerals Minerals Parameter Unfiltered tap water Allowed range Filtered Magnesiummg/l 4.2 No limit 4.2 Calciummg/l 117 No limit 117 Potassiummg/l 1.4Sampled May 2026 No limit 1.4 Chloridemg/l 25.2 ≤ 250 25.2
Metals Metals Parameter Unfiltered tap water Allowed range Filtered Aluminiumμg/l 10Sampled May 2026 ≤ 200 10 Antimonyμg/l 1Sampled May 2026 ≤ 5 1 Arsenicμg/l 2Sampled May 2026 ≤ 10 1 Bariumμg/l 27Sampled May 2026 ≤ 1,000 27 Cadmiumμg/l 1Sampled May 2026 ≤ 5 1 Chromiumμg/l 5Sampled May 2026 ≤ 50 5 Ironμg/l 10Sampled May 2026 ≤ 200 10 Manganeseμg/l 10Sampled May 2026 ≤ 50 10 Leadμg/l Not reported ≤ 10 — Seleniumμg/l 2Sampled May 2026 ≤ 10 2 Sodiummg/l 12.9Sampled May 2026 ≤ 200 12.9
Chlorine by-products Chlorine by-products Parameter Unfiltered tap water Allowed range Filtered Trichloroethyleneμg/l 0.1Sampled May 2026 No limit 0.005 Total Trihalomethanesμg/l 12.7Sampled Jun 2026 ≤ 100 0.64
Haloacetic acids Haloacetic acids Parameter Unfiltered tap water Allowed range Filtered Total haloacetic acidsμg/l 0.8Sampled May 2026 ≤ 60 0.04
Pesticides Pesticides Parameter Unfiltered tap water Allowed range Filtered Heptachlorug/L 0.005Sampled May 2026 ≤ 0.4 0.005 Total pesticidesug/L 0.12Sampled May 2026 ≤ 0.5 0.12
Herbicides Herbicides Parameter Unfiltered tap water Allowed range Filtered D 2 4ug/L 0.02Sampled May 2026 ≤ 70 0.02 Atrazineug/L 0.006Sampled May 2026 ≤ 3 0.006
Perfluorinated chemicals Perfluorinated chemicals Parameter Unfiltered tap water Allowed range Filtered PFOAug/L 0.001Sampled May 2026 No limit 0.001 PFOSug/L 0.001Sampled May 2026 No limit 0.001 PFNAug/L 0.001Sampled May 2026 No limit 0.001 Total PFASug/L 0.029Sampled May 2026 ≤ 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 0.01 No limit 0.003 Sulfatemg/l 13.7 No limit 13.7 Uraniumug/L 10Sampled May 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.
