← Back to summary See all parameters VIVONNE SIVASUD-VALLEE MOREAU · Marigny-Chemereau
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 25 No limit 25 Hardnessmg CaCO3/l 270 80 – 459 270 Hardness fF 27 No limit 27 pH 7.5 6.5 – 9.5 7.5 TurbidityNTU 0.3 ≤ 4 0.03 ColorColor Units 5Sampled May 2026 ≤ 15 5 ConductivityμS / cm 588 ≤ 2,500 588 TDSmg/l 376.3estimated 0 – 1,199 376.3 Alkalinitymg CaCO3/l 239 No limit 239 Bicarbonatemg HCO3/l 443Sampled Nov 2025 No limit 443
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 May 2026 ≤ 50 0.25 Fluoridemg F/l 1.1Sampled Jul 2026 ≤ 1.5 0.33 Mercuryμg Hg/l 0.015Sampled May 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 34Sampled May 2026 No limit 34 Calciummg/l 105Sampled May 2026 No limit 105 Potassiummg/l 2.1Sampled May 2026 No limit 2.1 Chloridemg/l 20 ≤ 250 20
Metals Metals Parameter Unfiltered tap water Allowed range Filtered Aluminiumμg/l 20Sampled May 2026 ≤ 200 20 Antimonyμg/l 0.5Sampled May 2026 ≤ 5 0.5 Arsenicμg/l 2Sampled Jul 2026 ≤ 10 1 Bariumμg/l 40Sampled May 2026 ≤ 1,000 40 Cadmiumμg/l 0.025Sampled May 2026 ≤ 5 0.025 Chromiumμg/l 6Sampled May 2026 ≤ 50 6 Copperμg/l 10Sampled May 2026 ≤ 2,000 0.5 Ironμg/l 10Sampled May 2026 ≤ 200 10 Manganeseμg/l 3Sampled May 2026 ≤ 50 3 Leadμg/l 0.5Sampled Jul 2026 ≤ 10 0.025 Nickelμg/l 3Sampled May 2026 ≤ 20 3 Seleniumμg/l 5Sampled Nov 2025 ≤ 10 5 Sodiummg/l 19Sampled May 2026 ≤ 200 19
Chlorine by-products Chlorine by-products Parameter Unfiltered tap water Allowed range Filtered Trichloroethyleneμg/l 0.15Sampled May 2026 No limit 0.008 Total Trihalomethanesμg/l 2.9Sampled May 2026 ≤ 100 0.15
Haloacetic acids Haloacetic acids Parameter Unfiltered tap water Allowed range Filtered Total haloacetic acidsμg/l 6Sampled May 2026 ≤ 60 0.3
Pesticides Pesticides Parameter Unfiltered tap water Allowed range Filtered Heptachlorug/L 0.01Sampled Jul 2026 ≤ 0.4 0.01 Total pesticidesug/L 0.021Sampled Jul 2026 ≤ 0.5 0.021
Herbicides Herbicides Parameter Unfiltered tap water Allowed range Filtered D 2 4ug/L 0.06Sampled Jul 2026 ≤ 70 0.06 Atrazineug/L 0.02Sampled Jul 2026 ≤ 3 0.02
Perfluorinated chemicals Perfluorinated chemicals Parameter Unfiltered tap water Allowed range Filtered PFOAug/L 0.001Sampled May 2026 No limit 0.001 PFOSug/L 0.001Sampled May 2026 No limit 0.001 PFNAug/L 0.001Sampled May 2026 No limit 0.001 Total PFASug/L 0Sampled May 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 15 No limit 15 Uraniumug/L 1.1Sampled May 2026 No limit 1.1
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.
