← Back to summary See all parameters SUD VIENNE LA FORET · Voulon
EAUX DE VIENNE - SIVEER
Water safety Water safety Parameter Unfiltered tap water Allowed range Filtered Free Chlorinemg CL2/l 0.4 0.2 – 1 0.008 ▲ Total Chlorinemg CL2/l 0.4 No limit 0.08
General General Parameter Unfiltered tap water Allowed range Filtered TemperatureC 24 No limit 24 Hardnessmg CaCO3/l 280 80 – 459 280 Hardness fF 28 No limit 28 pH 7.5 6.5 – 9.5 7.5 TurbidityNTU 0.3 ≤ 4 0.03 ColorColor Units 5Sampled Jun 2026 ≤ 15 5 ConductivityμS / cm 643 ≤ 2,500 643 TDSmg/l 411.5estimated 0 – 1,199 411.5 Alkalinitymg CaCO3/l 252 No limit 252 Bicarbonatemg HCO3/l 305Sampled Jun 2025 No limit 305
Pathogens Pathogens Parameter Unfiltered tap water Allowed range Filtered ClostridiumUFC/100ml 0Sampled Mar 2026 ≤ 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 Jun 2026 ≤ 50 0.25 Fluoridemg F/l 0.73 ≤ 1.5 0.22 Mercuryμg Hg/l 0.015Sampled Jun 2026 ≤ 1 0.002 Nitritesmg NO2/l 0.01 ≤ 0.5 0.004 Nitratesmg NO3/l 28 ≤ 50 8.4
Minerals Minerals Parameter Unfiltered tap water Allowed range Filtered Magnesiummg/l 15Sampled Jun 2026 No limit 15 Calciummg/l 94Sampled Jun 2026 No limit 94 Potassiummg/l 1.8Sampled Jun 2026 No limit 1.8 Chloridemg/l 25 ≤ 250 25
Metals Metals Parameter Unfiltered tap water Allowed range Filtered Aluminiumμg/l 20Sampled Jun 2026 ≤ 200 20 Antimonyμg/l 0.5Sampled Jun 2026 ≤ 5 0.5 Arsenicμg/l 0.6Sampled Jun 2026 ≤ 10 0.3 Bariumμg/l 40Sampled Jun 2026 ≤ 1,000 40 Cadmiumμg/l 0.025Sampled Jun 2026 ≤ 5 0.025 Chromiumμg/l 1Sampled Jun 2026 ≤ 50 1 Copperμg/l 10Sampled Jun 2026 ≤ 2,000 0.5 Ironμg/l 19 ≤ 200 19 Manganeseμg/l 1Sampled Jun 2026 ≤ 50 1 Leadμg/l 0.4Sampled Jun 2026 ≤ 10 0.02 Nickelμg/l 1Sampled Jun 2026 ≤ 20 1 Seleniumμg/l 0.9Sampled Jun 2025 ≤ 10 0.9 Sodiummg/l 17Sampled Jun 2026 ≤ 200 17
Chlorine by-products Chlorine by-products Parameter Unfiltered tap water Allowed range Filtered Trichloroethyleneμg/l 0.15Sampled Jun 2026 No limit 0.008 Total Trihalomethanesμg/l 12.9Sampled Jun 2026 ≤ 100 0.64
Haloacetic acids Haloacetic acids Parameter Unfiltered tap water Allowed range Filtered Total haloacetic acidsμg/l 1.7Sampled Jun 2026 ≤ 60 0.085
Pesticides Pesticides Parameter Unfiltered tap water Allowed range Filtered Heptachlorug/L 0.01Sampled Jun 2026 ≤ 0.4 0.01 Total pesticidesug/L 0Sampled Jun 2026 ≤ 0.5 0
Herbicides Herbicides Parameter Unfiltered tap water Allowed range Filtered D 2 4ug/L 0.06Sampled Jun 2026 ≤ 70 0.06 Atrazineug/L 0.02Sampled Jun 2026 ≤ 3 0.02
Perfluorinated chemicals Perfluorinated chemicals Parameter Unfiltered tap water Allowed range Filtered PFOAug/L 0.001Sampled Jun 2026 No limit 0.001 PFOSug/L 0.001Sampled Jun 2026 No limit 0.001 PFNAug/L 0.001Sampled Jun 2026 No limit 0.001 Total PFASug/L 0Sampled Jun 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 23 No limit 23 Uraniumug/L 0.7Sampled Jun 2026 No limit 0.7
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.
