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EAUX DE VIENNE - SIVEER
Water safety Water safety Parameter Unfiltered tap water Allowed range Filtered Free Chlorinemg CL2/l 0.1 ● (Near the limit) 0.2 – 1 0.002 ▲ Total Chlorinemg CL2/l 0.15 No limit 0.03
General General Parameter Unfiltered tap water Allowed range Filtered TemperatureC 28 No limit 28 Hardnessmg CaCO3/l 300 80 – 459 300 Hardness fF 30 No limit 30 pH 7.1 6.5 – 9.5 7.1 TurbidityNTU 0.3 ≤ 4 0.03 ConductivityμS / cm 652 ≤ 2,500 652 TDSmg/l 417.3estimated 0 – 1,199 417.3 Alkalinitymg CaCO3/l 277 No limit 277 Bicarbonatemg HCO3/l 341Sampled Oct 2025 No limit 341
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 Oct 2025 ≤ 50 0.25 Fluoridemg F/l 0.1Sampled Oct 2025 ≤ 1.5 0.03 Mercuryμg Hg/l 0.015Sampled Oct 2025 ≤ 1 0.002 Nitritesmg NO2/l 0.01 ≤ 0.5 0.004 Nitratesmg NO3/l 23 ≤ 50 6.9
Minerals Minerals Parameter Unfiltered tap water Allowed range Filtered Magnesiummg/l 8.3Sampled Oct 2025 No limit 8.3 Calciummg/l 110Sampled Oct 2025 No limit 110 Potassiummg/l 1.5Sampled Oct 2025 No limit 1.5 Chloridemg/l 23 ≤ 250 23
Metals Metals Parameter Unfiltered tap water Allowed range Filtered Aluminiumμg/l 20Sampled Oct 2025 ≤ 200 20 Antimonyμg/l 0.5Sampled Jan 2025 ≤ 5 0.5 Arsenicμg/l 0.5Sampled Oct 2025 ≤ 10 0.25 Bariumμg/l 60Sampled Oct 2025 ≤ 1,000 60 Cadmiumμg/l 0.025Sampled Jan 2025 ≤ 5 0.025 Chromiumμg/l 1Sampled Jan 2025 ≤ 50 1 Copperμg/l 290Sampled Jan 2025 ≤ 2,000 14.5 Ironμg/l 10Sampled Oct 2025 ≤ 200 10 Manganeseμg/l 1Sampled Oct 2025 ≤ 50 1 Leadμg/l 2Sampled Jan 2025 ≤ 10 0.1 Nickelμg/l 1Sampled Jan 2025 ≤ 20 1 Seleniumμg/l 4Sampled Oct 2025 ≤ 10 4 Sodiummg/l 13Sampled Oct 2025 ≤ 200 13
Chlorine by-products Chlorine by-products Parameter Unfiltered tap water Allowed range Filtered Trichloroethyleneμg/l 0.15Sampled Oct 2025 No limit 0.008 Total Trihalomethanesμg/l 2.21Sampled Oct 2025 ≤ 100 0.11
Pesticides Pesticides Parameter Unfiltered tap water Allowed range Filtered Heptachlorug/L 0.01Sampled Oct 2025 ≤ 0.4 0.01 Total pesticidesug/L 0.034Sampled Oct 2025 ≤ 0.5 0.034
Herbicides Herbicides Parameter Unfiltered tap water Allowed range Filtered D 2 4ug/L 0.06Sampled Oct 2025 ≤ 70 0.06 Atrazineug/L 0.02Sampled Oct 2025 ≤ 3 0.02
Perfluorinated chemicals Perfluorinated chemicals Parameter Unfiltered tap water Allowed range Filtered PFOAug/L 0.001Sampled Jun 2025 No limit 0.001 PFOSug/L 0.001Sampled Jun 2025 No limit 0.001 PFNAug/L 0.001Sampled Jun 2025 No limit 0.001 Total PFASug/L 0.071Sampled Jun 2025 ≤ 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 9.6 No limit 9.6
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.
