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SOGEDO LYON
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 0.05 No limit 0.01
General General Parameter Unfiltered tap water Allowed range Filtered TemperatureC 26.5 No limit 26.5 Hardnessmg CaCO3/l 214.8 80 – 459 214.8 Hardness fF 21.5 No limit 21.5 pH 7.5 6.5 – 9.5 7.5 TurbidityNTU 0.23 ≤ 4 0.023 ColorColor Units 5 ≤ 15 5 ConductivityμS / cm 434 ≤ 2,500 434 TDSmg/l 277.8estimated 0 – 1,199 277.8 Alkalinitymg CaCO3/l 250 No limit 250
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 Feb 2026 ≤ 50 0.5 Fluoridemg F/l 0.14Sampled Feb 2026 ≤ 1.5 0.042 Mercuryμg Hg/l 0.01Sampled Feb 2026 ≤ 1 0.001 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 4.2 No limit 4.2 Calciummg/l 79 No limit 79 Potassiummg/l 0.6Sampled Feb 2026 No limit 0.6 Chloridemg/l 4.1 ≤ 250 4.1
Metals Metals Parameter Unfiltered tap water Allowed range Filtered Aluminiumμg/l 10Sampled Jun 2026 ≤ 200 10 Antimonyμg/l 1Sampled Feb 2026 ≤ 5 1 Arsenicμg/l 2Sampled Feb 2026 ≤ 10 1 Bariumμg/l 28Sampled Feb 2026 ≤ 1,000 28 Cadmiumμg/l 1Sampled Feb 2026 ≤ 5 1 Chromiumμg/l 5Sampled Feb 2026 ≤ 50 5 Copperμg/l 10Sampled Feb 2026 ≤ 2,000 0.5 Ironμg/l 41Sampled Jun 2026 ≤ 200 41 Manganeseμg/l 10Sampled Jun 2026 ≤ 50 10 Leadμg/l 2Sampled Feb 2026 ≤ 10 0.1 Nickelμg/l 5Sampled Feb 2026 ≤ 20 5 Seleniumμg/l 2Sampled Feb 2026 ≤ 10 2 Sodiummg/l 7.7Sampled Feb 2026 ≤ 200 7.7
Chlorine by-products Chlorine by-products Parameter Unfiltered tap water Allowed range Filtered Trichloroethyleneμg/l 0.1Sampled Feb 2026 No limit 0.005 Total Trihalomethanesμg/l 5.01Sampled Feb 2026 ≤ 100 0.25
Haloacetic acids Haloacetic acids Parameter Unfiltered tap water Allowed range Filtered Total haloacetic acidsμg/l 1Sampled Feb 2026 ≤ 60 0.05
Pesticides Pesticides Parameter Unfiltered tap water Allowed range Filtered Heptachlorug/L 0.005Sampled Feb 2026 ≤ 0.4 0.005 Total pesticidesug/L 0.5 ● (Near the limit) Sampled Feb 2026 ≤ 0.5 0.5 ●
Herbicides Herbicides Parameter Unfiltered tap water Allowed range Filtered D 2 4ug/L 0.02Sampled Feb 2026 ≤ 70 0.02 Atrazineug/L 0.005Sampled Feb 2026 ≤ 3 0.005
Perfluorinated chemicals Perfluorinated chemicals Parameter Unfiltered tap water Allowed range Filtered PFOAug/L 0.001Sampled Feb 2026 No limit 0.001 PFOSug/L 0.001Sampled Feb 2026 No limit 0.001 PFNAug/L 0.001Sampled Feb 2026 No limit 0.001 Total PFASug/L 0.029Sampled Feb 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 6.2 No limit 6.2 Uraniumug/L 10Sampled Feb 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.
Your Water Quality
Independent information about tap water quality in France.
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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.
