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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 0.2 No limit 0.04
General General Parameter Unfiltered tap water Allowed range Filtered TemperatureC 31 No limit 31 Hardnessmg CaCO3/l 340 80 – 459 340 Hardness fF 34 No limit 34 pH 7.4 6.5 – 9.5 7.4 TurbidityNTU 0.3 ≤ 4 0.03 ColorColor Units 5Sampled May 2026 ≤ 15 5 ConductivityμS / cm 686 ≤ 2,500 686 TDSmg/l 439estimated 0 – 1,199 439 Alkalinitymg CaCO3/l 302 No limit 302 Bicarbonatemg HCO3/l 366Sampled Oct 2025 No limit 366
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 May 2026 ≤ 50 0.25 Fluoridemg F/l 0.11Sampled May 2026 ≤ 1.5 0.033 Mercuryμg Hg/l 0.015Sampled May 2026 ≤ 1 0.002 Nitritesmg NO2/l 0.01 ≤ 0.5 0.004 Nitratesmg NO3/l 10 ≤ 50 3
Minerals Minerals Parameter Unfiltered tap water Allowed range Filtered Magnesiummg/l 21Sampled May 2026 No limit 21 Calciummg/l 105Sampled May 2026 No limit 105 Potassiummg/l 2Sampled May 2026 No limit 2 Chloridemg/l 20 ≤ 250 20
Metals Metals Parameter Unfiltered tap water Allowed range Filtered Aluminiumμg/l 20Sampled May 2026 ≤ 200 20 Antimonyμg/l 0.5Sampled May 2026 ≤ 5 0.5 Arsenicμg/l 0.2Sampled May 2026 ≤ 10 0.1 Bariumμg/l 170Sampled May 2026 ≤ 1,000 170 Cadmiumμg/l 0.025Sampled May 2026 ≤ 5 0.025 Chromiumμg/l 1Sampled May 2026 ≤ 50 1 Copperμg/l 10Sampled May 2026 ≤ 2,000 0.5 Ironμg/l 10 ≤ 200 10 Manganeseμg/l 2 ≤ 50 2 Leadμg/l 0.4Sampled May 2026 ≤ 10 0.02 Nickelμg/l 1Sampled May 2026 ≤ 20 1 Seleniumμg/l 19 ▲ (Outside the range) Sampled Oct 2025 ≤ 10 19 ▲ Sodiummg/l 10Sampled May 2026 ≤ 200 10
Chlorine by-products Chlorine by-products Parameter Unfiltered tap water Allowed range Filtered Trichloroethyleneμg/l 0.15Sampled May 2026 No limit 0.008 Total Trihalomethanesμg/l 3.43Sampled May 2026 ≤ 100 0.17
Haloacetic acids Haloacetic acids Parameter Unfiltered tap water Allowed range Filtered Total haloacetic acidsμg/l 6Sampled May 2026 ≤ 60 0.3
Pesticides Pesticides Parameter Unfiltered tap water Allowed range Filtered Heptachlorug/L 0.01Sampled May 2026 ≤ 0.4 0.01 Total pesticidesug/L 0Sampled May 2026 ≤ 0.5 0
Herbicides Herbicides Parameter Unfiltered tap water Allowed range Filtered D 2 4ug/L 0.06Sampled May 2026 ≤ 70 0.06 Atrazineug/L 0.02Sampled May 2026 ≤ 3 0.02
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 0Sampled 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 31 No limit 31 Uraniumug/L 6.3Sampled May 2026 No limit 6.3
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.
