← Back to summary See all parameters ST JULIEN L'ARS LA BERTINIERE · Bignoux
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 0.4 No limit 0.08
General General Parameter Unfiltered tap water Allowed range Filtered TemperatureC 24 No limit 24 Hardnessmg CaCO3/l 290 80 – 459 290 Hardness fF 29 No limit 29 pH 7.2 6.5 – 9.5 7.2 TurbidityNTU 0.3 ≤ 4 0.03 ColorColor Units 5Sampled Jan 2026 ≤ 15 5 ConductivityμS / cm 642 ≤ 2,500 642 TDSmg/l 410.9estimated 0 – 1,199 410.9 Alkalinitymg CaCO3/l 255 No limit 255 Bicarbonatemg HCO3/l 360Sampled Sept 2025 No limit 360
Pathogens Pathogens Parameter Unfiltered tap water Allowed range Filtered ClostridiumUFC/100ml 0Sampled Dec 2025 ≤ 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 0.1Sampled Jan 2026 ≤ 1.5 0.03 Mercuryμg Hg/l 0.015Sampled Jan 2026 ≤ 1 0.002 Nitritesmg NO2/l 0.01 ≤ 0.5 0.004 Nitratesmg NO3/l 41 ● (Near the limit) ≤ 50 12.3
Minerals Minerals Parameter Unfiltered tap water Allowed range Filtered Magnesiummg/l 8.2Sampled Jan 2026 No limit 8.2 Calciummg/l 120Sampled Jan 2026 No limit 120 Potassiummg/l 1.1Sampled Jan 2026 No limit 1.1 Chloridemg/l 20 ≤ 250 20
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 0.2Sampled Jan 2026 ≤ 10 0.1 Bariumμg/l 30Sampled Jan 2026 ≤ 1,000 30 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 10Sampled Jan 2026 ≤ 200 10 Manganeseμg/l 1Sampled Jan 2026 ≤ 50 1 Leadμg/l 0.5Sampled Jan 2026 ≤ 10 0.025 Nickelμg/l 1Sampled Jan 2026 ≤ 20 1 Seleniumμg/l 9 ● (Near the limit) Sampled Jan 2026 ≤ 10 9 ● Sodiummg/l 9.9Sampled Jan 2026 ≤ 200 9.9
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 1.32Sampled Jan 2026 ≤ 100 0.066
Haloacetic acids Haloacetic acids Parameter Unfiltered tap water Allowed range Filtered Total haloacetic acidsμg/l 6Sampled Jan 2026 ≤ 60 0.3
Pesticides Pesticides Parameter Unfiltered tap water Allowed range Filtered Heptachlorug/L 0.01Sampled Jan 2026 ≤ 0.4 0.01 Total pesticidesug/L 0.026Sampled Jan 2026 ≤ 0.5 0.026
Herbicides Herbicides Parameter Unfiltered tap water Allowed range Filtered D 2 4ug/L 0.06Sampled Jan 2026 ≤ 70 0.06 Atrazineug/L 0.02Sampled Jan 2026 ≤ 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 14 No limit 14 Uraniumug/L 4Sampled Jan 2026 No limit 4
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.
