← Back to summary See all parameters SAINT-BENOIT L'ISLE · Prémeyzel
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 16.7 No limit 16.7 Hardnessmg CaCO3/l 246.6 80 – 459 246.6 Hardness fF 24.7 No limit 24.7 pH 7.8 6.5 – 9.5 7.8 TurbidityNTU 0.1 ≤ 4 0.01 ColorColor Units 5 ≤ 15 5 ConductivityμS / cm 478 ≤ 2,500 478 TDSmg/l 305.9estimated 0 – 1,199 305.9 Alkalinitymg CaCO3/l 235.5 No limit 235.5
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 Aug 2025 ≤ 50 0.5 Fluoridemg F/l 0.08Sampled Aug 2025 ≤ 1.5 0.024 Mercuryμg Hg/l 0.01Sampled Aug 2025 ≤ 1 0.001 Nitritesmg NO2/l 0.01 ≤ 0.5 0.004 Nitratesmg NO3/l 6 ≤ 50 1.8
Minerals Minerals Parameter Unfiltered tap water Allowed range Filtered Magnesiummg/l 10.3 No limit 10.3 Calciummg/l 81.7 No limit 81.7 Potassiummg/l 1.6Sampled Aug 2025 No limit 1.6 Chloridemg/l 0.8 ≤ 250 0.8
Metals Metals Parameter Unfiltered tap water Allowed range Filtered Aluminiumμg/l 10Sampled Aug 2025 ≤ 200 10 Arsenicμg/l 2Sampled Aug 2025 ≤ 10 1 Bariumμg/l 10Sampled Aug 2025 ≤ 1,000 10 Ironμg/l 10Sampled Aug 2025 ≤ 200 10 Manganeseμg/l 10Sampled Aug 2025 ≤ 50 10 Leadμg/l Not reported ≤ 10 — Seleniumμg/l 2Sampled Aug 2025 ≤ 10 2 Sodiummg/l 3.7Sampled Aug 2025 ≤ 200 3.7
Chlorine by-products Chlorine by-products Parameter Unfiltered tap water Allowed range Filtered Trichloroethyleneμg/l 0.13Sampled Aug 2025 No limit 0.007 Total Trihalomethanesμg/l 0.5Sampled Aug 2025 ≤ 100 0.025
Pesticides Pesticides Parameter Unfiltered tap water Allowed range Filtered Heptachlorug/L 0.005Sampled Aug 2025 ≤ 0.4 0.005 Total pesticidesug/L 0.015Sampled Aug 2025 ≤ 0.5 0.015
Herbicides Herbicides Parameter Unfiltered tap water Allowed range Filtered D 2 4ug/L 0.02Sampled Aug 2025 ≤ 70 0.02 Atrazineug/L 0.006Sampled Aug 2025 ≤ 3 0.006
Perfluorinated chemicals Perfluorinated chemicals Parameter Unfiltered tap water Allowed range Filtered PFOAug/L 0.001Sampled Aug 2025 No limit 0.001 PFOSug/L 0.001Sampled Aug 2025 No limit 0.001 PFNAug/L 0.001Sampled Aug 2025 No limit 0.001 Total PFASug/L 0.024Sampled Aug 2025 ≤ 0.1 0.002 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 9.9 No limit 9.9
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.
