← Back to summary See all parameters SUD VIENNE ST PIERRE D'EX STATION · Charroux
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 26 No limit 26 Hardnessmg CaCO3/l 290 80 – 459 290 Hardness fF 29 No limit 29 pH 7.3 6.5 – 9.5 7.3 TurbidityNTU 0.3 ≤ 4 0.03 ColorColor Units 5Sampled Jan 2026 ≤ 15 5 ConductivityμS / cm 641 ≤ 2,500 641 TDSmg/l 410.2estimated 0 – 1,199 410.2 Alkalinitymg CaCO3/l 249 No limit 249 Bicarbonatemg HCO3/l 310Sampled Oct 2025 No limit 310
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 Jan 2026 ≤ 50 0.25 Fluoridemg F/l 0.68 ≤ 1.5 0.2 Mercuryμg Hg/l 0.015Sampled Jan 2026 ≤ 1 0.002 Nitritesmg NO2/l 0.01 ≤ 0.5 0.004 Nitratesmg NO3/l 27 ≤ 50 8.1
Minerals Minerals Parameter Unfiltered tap water Allowed range Filtered Magnesiummg/l 12Sampled Jan 2026 No limit 12 Calciummg/l 105Sampled Jan 2026 No limit 105 Potassiummg/l 2.5Sampled Jan 2026 No limit 2.5 Chloridemg/l 25 ≤ 250 25
Metals Metals Parameter Unfiltered tap water Allowed range Filtered Aluminiumμg/l 20Sampled Jan 2026 ≤ 200 20 Antimonyμg/l 0.5Sampled Jan 2026 ≤ 5 0.5 Arsenicμg/l 0.4Sampled Jan 2026 ≤ 10 0.2 Bariumμg/l 40Sampled Jan 2026 ≤ 1,000 40 Cadmiumμg/l 0.025Sampled Jan 2026 ≤ 5 0.025 Chromiumμg/l 1Sampled Jan 2026 ≤ 50 1 Copperμg/l 8Sampled Jan 2026 ≤ 2,000 0.4 Ironμg/l 11Sampled Jan 2026 ≤ 200 11 Manganeseμg/l 1Sampled Jan 2026 ≤ 50 1 Leadμg/l 0.4Sampled Jan 2026 ≤ 10 0.02 Nickelμg/l 2Sampled Jan 2026 ≤ 20 2 Seleniumμg/l 0.7Sampled Jan 2026 ≤ 10 0.7 Sodiummg/l 21Sampled Jan 2026 ≤ 200 21
Chlorine by-products Chlorine by-products Parameter Unfiltered tap water Allowed range Filtered Trichloroethyleneμg/l 0.15Sampled Jan 2026 No limit 0.008 Total Trihalomethanesμg/l 3.91Sampled Jan 2026 ≤ 100 0.2
Haloacetic acids Haloacetic acids Parameter Unfiltered tap water Allowed range Filtered Total haloacetic acidsμg/l 1Sampled Jan 2026 ≤ 60 0.05
Pesticides Pesticides Parameter Unfiltered tap water Allowed range Filtered Heptachlorug/L 0.01 ≤ 0.4 0.01 Total pesticidesug/L 0 ≤ 0.5 0
Herbicides Herbicides Parameter Unfiltered tap water Allowed range Filtered D 2 4ug/L 0.06 ≤ 70 0.06 Atrazineug/L 0.02 ≤ 3 0.02
Perfluorinated chemicals Perfluorinated chemicals Parameter Unfiltered tap water Allowed range Filtered PFOAug/L 0.001Sampled Jan 2026 No limit 0.001 PFOSug/L 0.001Sampled Jan 2026 No limit 0.001 PFNAug/L 0.001Sampled Jan 2026 No limit 0.001 Total PFASug/L 0.071Sampled Jan 2026 ≤ 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 24 No limit 24 Uraniumug/L 0.5Sampled Jan 2026 No limit 0.5
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.
