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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 29 No limit 29 Hardnessmg CaCO3/l 320 80 – 459 320 Hardness fF 32 No limit 32 pH 7 6.5 – 9.5 7 TurbidityNTU 0.3 ≤ 4 0.03 ColorColor Units 5Sampled Mar 2026 ≤ 15 5 ConductivityμS / cm 685 ≤ 2,500 685 TDSmg/l 438.4estimated 0 – 1,199 438.4 Alkalinitymg CaCO3/l 296 No limit 296 Bicarbonatemg HCO3/l 354Sampled Nov 2025 No limit 354
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 Mar 2026 ≤ 50 0.25 Fluoridemg F/l 0.1Sampled Mar 2026 ≤ 1.5 0.03 Mercuryμg Hg/l 0.015Sampled Mar 2026 ≤ 1 0.002 Nitritesmg NO2/l 0.01 ≤ 0.5 0.004 Nitratesmg NO3/l 31 ≤ 50 9.3
Minerals Minerals Parameter Unfiltered tap water Allowed range Filtered Magnesiummg/l 10Sampled Mar 2026 No limit 10 Calciummg/l 120Sampled Mar 2026 No limit 120 Potassiummg/l 1.7Sampled Mar 2026 No limit 1.7 Chloridemg/l 23 ≤ 250 23
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 0.9Sampled Mar 2026 ≤ 10 0.45 Bariumμg/l 60Sampled Mar 2026 ≤ 1,000 60 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 10Sampled Mar 2026 ≤ 200 10 Manganeseμg/l 1Sampled Mar 2026 ≤ 50 1 Leadμg/l 0.4Sampled Mar 2026 ≤ 10 0.02 Nickelμg/l 1Sampled Mar 2026 ≤ 20 1 Seleniumμg/l 3Sampled Nov 2025 ≤ 10 3 Sodiummg/l 12Sampled Mar 2026 ≤ 200 12
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 4.85Sampled Mar 2026 ≤ 100 0.24
Haloacetic acids Haloacetic acids Parameter Unfiltered tap water Allowed range Filtered Total haloacetic acidsμg/l 6Sampled Mar 2026 ≤ 60 0.3
Pesticides Pesticides Parameter Unfiltered tap water Allowed range Filtered Heptachlorug/L 0.01Sampled Mar 2026 ≤ 0.4 0.01 Total pesticidesug/L 0.12Sampled Mar 2026 ≤ 0.5 0.12
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 0.01 No limit 0.003 Sulfatemg/l 11 No limit 11 Uraniumug/L 2.3Sampled Mar 2026 No limit 2.3
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.
