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EAUX DE VIENNE - SIVEER
Water safety Water safety Parameter Unfiltered tap water Allowed range Filtered Free Chlorinemg CL2/l 0.5 0.2 – 1 0.01 ▲ Total Chlorinemg CL2/l 0.5 No limit 0.1
General General Parameter Unfiltered tap water Allowed range Filtered TemperatureC 24 No limit 24 Hardnessmg CaCO3/l 300 80 – 459 300 Hardness fF 30 No limit 30 pH 7.2 6.5 – 9.5 7.2 TurbidityNTU 0.3 ≤ 4 0.03 ColorColor Units 5Sampled Apr 2026 ≤ 15 5 ConductivityμS / cm 660 ≤ 2,500 660 TDSmg/l 422.4estimated 0 – 1,199 422.4 Alkalinitymg CaCO3/l 279 No limit 279 Bicarbonatemg HCO3/l 307Sampled Apr 2025 No limit 307
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 Apr 2026 ≤ 50 0.25 Fluoridemg F/l 0.1Sampled Apr 2026 ≤ 1.5 0.03 Mercuryμg Hg/l 0.015Sampled Apr 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 6Sampled Apr 2026 No limit 6 Calciummg/l 115Sampled Apr 2026 No limit 115 Potassiummg/l 1.3Sampled Apr 2026 No limit 1.3 Chloridemg/l 19 ≤ 250 19
Metals Metals Parameter Unfiltered tap water Allowed range Filtered Aluminiumμg/l 20Sampled Apr 2026 ≤ 200 20 Antimonyμg/l 0.5Sampled Apr 2026 ≤ 5 0.5 Arsenicμg/l 0.2Sampled Apr 2026 ≤ 10 0.1 Bariumμg/l 20Sampled Apr 2026 ≤ 1,000 20 Cadmiumμg/l 0.025Sampled Apr 2026 ≤ 5 0.025 Chromiumμg/l 1Sampled Apr 2026 ≤ 50 1 Copperμg/l 10Sampled Apr 2026 ≤ 2,000 0.5 Ironμg/l 10Sampled Apr 2026 ≤ 200 10 Manganeseμg/l 1Sampled Apr 2026 ≤ 50 1 Leadμg/l 0.4Sampled Apr 2026 ≤ 10 0.02 Nickelμg/l 1Sampled Apr 2026 ≤ 20 1 Seleniumμg/l 8 ● (Near the limit) Sampled Apr 2025 ≤ 10 8 ● Sodiummg/l 9.2Sampled Apr 2026 ≤ 200 9.2
Chlorine by-products Chlorine by-products Parameter Unfiltered tap water Allowed range Filtered Trichloroethyleneμg/l 0.15Sampled Apr 2026 No limit 0.008 Total Trihalomethanesμg/l 2.18Sampled Apr 2026 ≤ 100 0.11
Haloacetic acids Haloacetic acids Parameter Unfiltered tap water Allowed range Filtered Total haloacetic acidsμg/l 6Sampled Apr 2026 ≤ 60 0.3
Pesticides Pesticides Parameter Unfiltered tap water Allowed range Filtered Heptachlorug/L 0.01Sampled Apr 2026 ≤ 0.4 0.01 Total pesticidesug/L 0.1Sampled Apr 2026 ≤ 0.5 0.1
Herbicides Herbicides Parameter Unfiltered tap water Allowed range Filtered D 2 4ug/L 0.06Sampled Apr 2026 ≤ 70 0.06 Atrazineug/L 0.02Sampled Apr 2026 ≤ 3 0.02
Perfluorinated chemicals Perfluorinated chemicals Parameter Unfiltered tap water Allowed range Filtered PFOAug/L 0.001Sampled Apr 2026 No limit 0.001 PFOSug/L 0.001Sampled Apr 2026 No limit 0.001 PFNAug/L 0.001Sampled Apr 2026 No limit 0.001 Total PFASug/L 0.004Sampled Apr 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 3.5Sampled Apr 2026 No limit 3.5
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.
