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EAUX DE VIENNE - SIVEER
Water safety Water safety Parameter Unfiltered tap water Allowed range Filtered Free Chlorinemg CL2/l 0.3 0.2 – 1 0.006 ▲ Total Chlorinemg CL2/l 0.3 No limit 0.06
General General Parameter Unfiltered tap water Allowed range Filtered TemperatureC 27 No limit 27 Hardnessmg CaCO3/l 340 80 – 459 340 Hardness fF 34 No limit 34 pH 7.7 6.5 – 9.5 7.7 TurbidityNTU 0.3 ≤ 4 0.03 ConductivityμS / cm 694 ≤ 2,500 694 TDSmg/l 444.2estimated 0 – 1,199 444.2 Alkalinitymg CaCO3/l 291 No limit 291 Bicarbonatemg HCO3/l 315Sampled Nov 2025 No limit 315
Pathogens Pathogens Parameter Unfiltered tap water Allowed range Filtered ClostridiumUFC/100ml 0Sampled Dec 2025 ≤ 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 5Sampled Nov 2025 ≤ 50 0.25 Fluoridemg F/l 0.1Sampled Nov 2025 ≤ 1.5 0.03 Mercuryμg Hg/l 0.015Sampled Nov 2025 ≤ 1 0.002 Nitritesmg NO2/l 0.01 ≤ 0.5 0.004 Nitratesmg NO3/l 32 ≤ 50 9.6
Minerals Minerals Parameter Unfiltered tap water Allowed range Filtered Magnesiummg/l 37Sampled Nov 2025 No limit 37 Calciummg/l 69Sampled Nov 2025 No limit 69 Potassiummg/l 1.8Sampled Nov 2025 No limit 1.8 Chloridemg/l 31 ≤ 250 31
Metals Metals Parameter Unfiltered tap water Allowed range Filtered Aluminiumμg/l 20Sampled Nov 2025 ≤ 200 20 Antimonyμg/l 0.5Sampled Mar 2025 ≤ 5 0.5 Arsenicμg/l 0.9Sampled Nov 2025 ≤ 10 0.45 Bariumμg/l 340Sampled Nov 2025 ≤ 1,000 340 Cadmiumμg/l 0.05Sampled Mar 2025 ≤ 5 0.05 Chromiumμg/l 1Sampled Mar 2025 ≤ 50 1 Copperμg/l 160Sampled Mar 2025 ≤ 2,000 8 Ironμg/l 10Sampled Nov 2025 ≤ 200 10 Manganeseμg/l 1Sampled Nov 2025 ≤ 50 1 Leadμg/l 1Sampled Mar 2025 ≤ 10 0.05 Nickelμg/l 1Sampled Mar 2025 ≤ 20 1 Seleniumμg/l 11 ● (Near the limit) Sampled Nov 2025 ≤ 10 11 ● Sodiummg/l 15Sampled Nov 2025 ≤ 200 15
Chlorine by-products Chlorine by-products Parameter Unfiltered tap water Allowed range Filtered Trichloroethyleneμg/l 0.15Sampled Nov 2025 No limit 0.008 Total Trihalomethanesμg/l 3.64Sampled Nov 2025 ≤ 100 0.18
Pesticides Pesticides Parameter Unfiltered tap water Allowed range Filtered Heptachlorug/L 0.01Sampled Nov 2025 ≤ 0.4 0.01 Total pesticidesug/L 0.042Sampled Nov 2025 ≤ 0.5 0.042
Herbicides Herbicides Parameter Unfiltered tap water Allowed range Filtered D 2 4ug/L 0.06Sampled Nov 2025 ≤ 70 0.06 Atrazineug/L 0.02Sampled Nov 2025 ≤ 3 0.02
Perfluorinated chemicals Perfluorinated chemicals Parameter Unfiltered tap water Allowed range Filtered PFOAug/L 0.001Sampled Apr 2025 No limit 0.001 PFOSug/L 0.001Sampled Apr 2025 No limit 0.001 PFNAug/L 0.001Sampled Apr 2025 No limit 0.001 Total PFASug/L 0.056Sampled Apr 2025 ≤ 0.1 0.006 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 17 No limit 17
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.
