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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 25 No limit 25 Hardnessmg CaCO3/l 350 80 – 459 350 Hardness fF 35 No limit 35 pH 7.1 6.5 – 9.5 7.1 TurbidityNTU 0.3 ≤ 4 0.03 ColorColor Units 5Sampled Jan 2026 ≤ 15 5 ConductivityμS / cm 548 ≤ 2,500 548 TDSmg/l 350.7estimated 0 – 1,199 350.7 Alkalinitymg CaCO3/l 211 No limit 211 Bicarbonatemg HCO3/l 251Sampled Sept 2025 No limit 251
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 Jan 2026 ≤ 50 0.25 Fluoridemg F/l 0.1Sampled Jan 2026 ≤ 1.5 0.03 Mercuryμg Hg/l 0.015Sampled Jan 2026 ≤ 1 0.002 Nitritesmg NO2/l 0.01 ≤ 0.5 0.004 Nitratesmg NO3/l 33 ≤ 50 9.9
Minerals Minerals Parameter Unfiltered tap water Allowed range Filtered Magnesiummg/l 21Sampled Jan 2026 No limit 21 Calciummg/l 66Sampled Jan 2026 No limit 66 Potassiummg/l 1.7Sampled Jan 2026 No limit 1.7 Chloridemg/l 21 ≤ 250 21
Metals Metals Parameter Unfiltered tap water Allowed range Filtered Aluminiumμg/l 20Sampled Jan 2026 ≤ 200 20 Antimonyμg/l 0.5Sampled Jan 2026 ≤ 5 0.5 Arsenicμg/l 0.3Sampled Jan 2026 ≤ 10 0.15 Bariumμg/l 270Sampled Jan 2026 ≤ 1,000 270 Cadmiumμg/l 0.1Sampled Jan 2026 ≤ 5 0.1 Chromiumμg/l 1Sampled Jan 2026 ≤ 50 1 Copperμg/l 10Sampled Jan 2026 ≤ 2,000 0.5 Ironμg/l 10Sampled Jan 2026 ≤ 200 10 Manganeseμg/l 1Sampled Jan 2026 ≤ 50 1 Leadμg/l 0.4Sampled Jan 2026 ≤ 10 0.02 Nickelμg/l 1Sampled Jan 2026 ≤ 20 1 Seleniumμg/l 3Sampled Jan 2026 ≤ 10 3 Sodiummg/l 14Sampled Jan 2026 ≤ 200 14
Chlorine by-products Chlorine by-products Parameter Unfiltered tap water Allowed range Filtered Trichloroethyleneμg/l 0.15Sampled Jan 2026 No limit 0.008 Total Trihalomethanesμg/l 3.92Sampled Jan 2026 ≤ 100 0.2
Haloacetic acids Haloacetic acids Parameter Unfiltered tap water Allowed range Filtered Total haloacetic acidsμg/l 6Sampled Jan 2026 ≤ 60 0.3
Pesticides Pesticides Parameter Unfiltered tap water Allowed range Filtered Heptachlorug/L 0.01Sampled Jan 2026 ≤ 0.4 0.01 Total pesticidesug/L 0Sampled Jan 2026 ≤ 0.5 0
Herbicides Herbicides Parameter Unfiltered tap water Allowed range Filtered D 2 4ug/L 0.06Sampled Jan 2026 ≤ 70 0.06 Atrazineug/L 0.02Sampled Jan 2026 ≤ 3 0.02
Perfluorinated chemicals Perfluorinated chemicals Parameter Unfiltered tap water Allowed range Filtered PFOAug/L 0.001Sampled Jan 2026 No limit 0.001 PFOSug/L 0.001Sampled Jan 2026 No limit 0.001 PFNAug/L 0.001Sampled Jan 2026 No limit 0.001 Total PFASug/L 0.071Sampled Jan 2026 ≤ 0.1 0.007 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 15 No limit 15 Uraniumug/L 0.8Sampled Jan 2026 No limit 0.8
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.
