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SEPM
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 22.5 No limit 22.5 Hardnessmg CaCO3/l 149 80 – 459 149 Hardness fF 14.9 No limit 14.9 pH 7.6 6.5 – 9.5 7.6 TurbidityNTU 0.2 ≤ 4 0.02 ColorColor Units 5Sampled Dec 2025 ≤ 15 5 ConductivityμS / cm 337 ≤ 2,500 337 TDSmg/l 215.7estimated 0 – 1,199 215.7 Alkalinitymg CaCO3/l 117 No limit 117
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 15Sampled May 2026 ≤ 50 0.75 Fluoridemg F/l 0.1Sampled May 2026 ≤ 1.5 0.03 Mercuryμg Hg/l 0.015Sampled May 2026 ≤ 1 0.002 Nitritesmg NO2/l 0.01 ≤ 0.5 0.004 Nitratesmg NO3/l 1.4 ≤ 50 0.42
Minerals Minerals Parameter Unfiltered tap water Allowed range Filtered Magnesiummg/l 3.4Sampled May 2026 No limit 3.4 Calciummg/l 76.2Sampled May 2026 No limit 76.2 Potassiummg/l 1.6Sampled May 2026 No limit 1.6 Chloridemg/l 19.3 ≤ 250 19.3
Metals Metals Parameter Unfiltered tap water Allowed range Filtered Aluminiumμg/l 69 ≤ 200 69 Antimonyμg/l 0.5Sampled May 2026 ≤ 5 0.5 Arsenicμg/l 1Sampled May 2026 ≤ 10 0.5 Bariumμg/l 10Sampled May 2026 ≤ 1,000 10 Cadmiumμg/l 0.025Sampled May 2026 ≤ 5 0.025 Chromiumμg/l 1Sampled May 2026 ≤ 50 1 Copperμg/l 12Sampled May 2026 ≤ 2,000 0.6 Ironμg/l 20Sampled May 2026 ≤ 200 20 Manganeseμg/l 5Sampled May 2026 ≤ 50 5 Leadμg/l 1.2Sampled May 2026 ≤ 10 0.06 Nickelμg/l 12Sampled May 2026 ≤ 20 12 Seleniumμg/l 1Sampled May 2026 ≤ 10 1 Sodiummg/l 8.5Sampled May 2026 ≤ 200 8.5
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 8.34Sampled Mar 2026 ≤ 100 0.42
Pesticides Pesticides Parameter Unfiltered tap water Allowed range Filtered Heptachlorug/L 0.005Sampled May 2026 ≤ 0.4 0.005 Total pesticidesug/L 0.036Sampled May 2026 ≤ 0.5 0.036
Herbicides Herbicides Parameter Unfiltered tap water Allowed range Filtered D 2 4ug/L 0.02Sampled May 2026 ≤ 70 0.02 Atrazineug/L 0.005Sampled May 2026 ≤ 3 0.005
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 0.001Sampled May 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 25.1 No limit 25.1 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.
