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EAUX DE VIENNE - SIVEER
Water safety Water safety Parameter Unfiltered tap water Allowed range Filtered Free Chlorinemg CL2/l 0.2 0.2 – 1 0.004 ▲ Total Chlorinemg CL2/l 0.3 No limit 0.06
General General Parameter Unfiltered tap water Allowed range Filtered TemperatureC 26 No limit 26 Hardnessmg CaCO3/l 430 80 – 459 430 Hardness fF 43 No limit 43 pH 7.4 6.5 – 9.5 7.4 TurbidityNTU 0.3 ≤ 4 0.03 ColorColor Units 5Sampled Mar 2026 ≤ 15 5 ConductivityμS / cm 949 ≤ 2,500 949 TDSmg/l 607.4estimated 0 – 1,199 607.4 Alkalinitymg CaCO3/l 167 No limit 167 Bicarbonatemg HCO3/l 234Sampled Nov 2025 No limit 234
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 5Sampled Mar 2026 ≤ 50 0.25 Fluoridemg F/l 0.32Sampled Apr 2026 ≤ 1.5 0.096 Mercuryμg Hg/l 0.015Sampled Mar 2026 ≤ 1 0.002 Nitritesmg NO2/l 0.01 ≤ 0.5 0.004 Nitratesmg NO3/l 0.6 ≤ 50 0.18
Minerals Minerals Parameter Unfiltered tap water Allowed range Filtered Magnesiummg/l 23Sampled Mar 2026 No limit 23 Calciummg/l 140Sampled Mar 2026 No limit 140 Potassiummg/l 7.1Sampled Mar 2026 No limit 7.1 Chloridemg/l 58 ≤ 250 58
Metals Metals Parameter Unfiltered tap water Allowed range Filtered Aluminiumμg/l 20Sampled Mar 2026 ≤ 200 20 Antimonyμg/l 0.5Sampled Mar 2026 ≤ 5 0.5 Arsenicμg/l 0.2Sampled Apr 2026 ≤ 10 0.1 Bariumμg/l 20Sampled Mar 2026 ≤ 1,000 20 Cadmiumμg/l 0.025Sampled Mar 2026 ≤ 5 0.025 Chromiumμg/l 1Sampled Mar 2026 ≤ 50 1 Copperμg/l 10Sampled Mar 2026 ≤ 2,000 0.5 Ironμg/l 39 ≤ 200 39 Manganeseμg/l 1 ≤ 50 1 Leadμg/l 0.4Sampled Mar 2026 ≤ 10 0.02 Nickelμg/l 1Sampled Mar 2026 ≤ 20 1 Seleniumμg/l 0.5Sampled Nov 2025 ≤ 10 0.5 Sodiummg/l 25Sampled Mar 2026 ≤ 200 25
Chlorine by-products Chlorine by-products Parameter Unfiltered tap water Allowed range Filtered Trichloroethyleneμg/l 0.15Sampled Mar 2026 No limit 0.008 Total Trihalomethanesμg/l 94.5 ● (Near the limit) ≤ 100 4.73
Haloacetic acids Haloacetic acids Parameter Unfiltered tap water Allowed range Filtered Total haloacetic acidsμg/l 4.8Sampled Mar 2026 ≤ 60 0.24
Pesticides Pesticides Parameter Unfiltered tap water Allowed range Filtered Heptachlorug/L 0.01Sampled Mar 2026 ≤ 0.4 0.01 Total pesticidesug/L 0.081Sampled Mar 2026 ≤ 0.5 0.081
Herbicides Herbicides Parameter Unfiltered tap water Allowed range Filtered D 2 4ug/L 0.06Sampled Mar 2026 ≤ 70 0.06 Atrazineug/L 0.02Sampled Mar 2026 ≤ 3 0.02
Perfluorinated chemicals Perfluorinated chemicals Parameter Unfiltered tap water Allowed range Filtered PFOAug/L 0.001Sampled Mar 2026 No limit 0.001 PFOSug/L 0.001Sampled Mar 2026 No limit 0.001 PFNAug/L 0.001Sampled Mar 2026 No limit 0.001 Total PFASug/L 0Sampled Mar 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 0.03 No limit 0.009 Sulfatemg/l 200 No limit 200 Uraniumug/L 0.2Sampled Mar 2026 No limit 0.2
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.
