← Back to summary See all parameters MASSOGNES CUHON · Vouillé
EAUX DE VIENNE - SIVEER
Water safety Water safety Parameter Unfiltered tap water Allowed range Filtered Free Chlorinemg CL2/l 0.25 0.2 – 1 0.005 ▲ Total Chlorinemg CL2/l 0.3 No limit 0.06
General General Parameter Unfiltered tap water Allowed range Filtered TemperatureC 23 No limit 23 Hardnessmg CaCO3/l 330 80 – 459 330 Hardness fF 33 No limit 33 pH 7.8 6.5 – 9.5 7.8 TurbidityNTU 0.3 ≤ 4 0.03 ConductivityμS / cm 703 ≤ 2,500 703 TDSmg/l 449.9estimated 0 – 1,199 449.9 Alkalinitymg CaCO3/l 252 No limit 252 Bicarbonatemg HCO3/l 314Sampled Nov 2025 No limit 314
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 Nov 2025 ≤ 50 0.25 Fluoridemg F/l 0.26 ≤ 1.5 0.078 Mercuryμg Hg/l 0.015Sampled Nov 2025 ≤ 1 0.002 Nitritesmg NO2/l 0.01 ≤ 0.5 0.004 Nitratesmg NO3/l 13 ≤ 50 3.9
Minerals Minerals Parameter Unfiltered tap water Allowed range Filtered Magnesiummg/l 24Sampled Nov 2025 No limit 24 Calciummg/l 97Sampled Nov 2025 No limit 97 Potassiummg/l 2.4Sampled Nov 2025 No limit 2.4 Chloridemg/l 23 ≤ 250 23
Metals Metals Parameter Unfiltered tap water Allowed range Filtered Aluminiumμg/l 20Sampled Nov 2025 ≤ 200 20 Antimonyμg/l 0.5Sampled Apr 2025 ≤ 5 0.5 Arsenicμg/l 0.2Sampled Nov 2025 ≤ 10 0.1 Bariumμg/l 20Sampled Nov 2025 ≤ 1,000 20 Cadmiumμg/l 0.025Sampled Apr 2025 ≤ 5 0.025 Chromiumμg/l 1Sampled Apr 2025 ≤ 50 1 Copperμg/l 10Sampled Apr 2025 ≤ 2,000 0.5 Ironμg/l 10 ≤ 200 10 Manganeseμg/l 1Sampled Nov 2025 ≤ 50 1 Leadμg/l 0.4Sampled Apr 2025 ≤ 10 0.02 Nickelμg/l 3Sampled Apr 2025 ≤ 20 3 Seleniumμg/l 0.9Sampled Nov 2025 ≤ 10 0.9 Sodiummg/l 11Sampled Nov 2025 ≤ 200 11
Chlorine by-products Chlorine by-products Parameter Unfiltered tap water Allowed range Filtered Trichloroethyleneμg/l 0.15Sampled Nov 2025 No limit 0.008 Total Trihalomethanesμg/l 1.31Sampled Apr 2026 ≤ 100 0.066
Pesticides Pesticides Parameter Unfiltered tap water Allowed range Filtered Heptachlorug/L 0.01Sampled Nov 2025 ≤ 0.4 0.01 Total pesticidesug/L 0Sampled Nov 2025 ≤ 0.5 0
Herbicides Herbicides Parameter Unfiltered tap water Allowed range Filtered D 2 4ug/L 0.06Sampled Nov 2025 ≤ 70 0.06 Atrazineug/L 0.02Sampled Nov 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 82 No limit 82
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.
