← Back to summary See all parameters DESTILLES LES ROCHES · Saint-Secondin
EAUX DE VIENNE - SIVEER
Water safety Water safety Parameter Unfiltered tap water Allowed range Filtered Free Chlorinemg CL2/l 0.5 0.2 – 1 0.01 ▲ Total Chlorinemg CL2/l 0.5 No limit 0.1
General General Parameter Unfiltered tap water Allowed range Filtered TemperatureC 23 No limit 23 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 Feb 2026 ≤ 15 5 ConductivityμS / cm 666 ≤ 2,500 666 TDSmg/l 426.2estimated 0 – 1,199 426.2 Alkalinitymg CaCO3/l 283 No limit 283 Bicarbonatemg HCO3/l 344Sampled Jun 2025 No limit 344
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 Feb 2026 ≤ 50 0.25 Fluoridemg F/l 0.1Sampled Feb 2026 ≤ 1.5 0.03 Mercuryμg Hg/l 0.015Sampled Feb 2026 ≤ 1 0.002 Nitritesmg NO2/l 0.01 ≤ 0.5 0.004 Nitratesmg NO3/l 32 ≤ 50 9.6
Minerals Minerals Parameter Unfiltered tap water Allowed range Filtered Magnesiummg/l 14Sampled Feb 2026 No limit 14 Calciummg/l 110Sampled Feb 2026 No limit 110 Potassiummg/l 1.1Sampled Feb 2026 No limit 1.1 Chloridemg/l 21 ≤ 250 21
Metals Metals Parameter Unfiltered tap water Allowed range Filtered Aluminiumμg/l 20Sampled Feb 2026 ≤ 200 20 Antimonyμg/l 0.5Sampled Feb 2026 ≤ 5 0.5 Arsenicμg/l 0.2Sampled Feb 2026 ≤ 10 0.1 Bariumμg/l 60Sampled Feb 2026 ≤ 1,000 60 Cadmiumμg/l 0.025Sampled Feb 2026 ≤ 5 0.025 Chromiumμg/l 1Sampled Feb 2026 ≤ 50 1 Copperμg/l 10Sampled Feb 2026 ≤ 2,000 0.5 Ironμg/l 10Sampled Feb 2026 ≤ 200 10 Manganeseμg/l 1Sampled Feb 2026 ≤ 50 1 Leadμg/l 0.4Sampled Feb 2026 ≤ 10 0.02 Nickelμg/l 1Sampled Feb 2026 ≤ 20 1 Seleniumμg/l 7Sampled Feb 2026 ≤ 10 7 Sodiummg/l 9.8Sampled Feb 2026 ≤ 200 9.8
Chlorine by-products Chlorine by-products Parameter Unfiltered tap water Allowed range Filtered Trichloroethyleneμg/l 0.15Sampled Feb 2026 No limit 0.008 Total Trihalomethanesμg/l 2.1Sampled Feb 2026 ≤ 100 0.11
Haloacetic acids Haloacetic acids Parameter Unfiltered tap water Allowed range Filtered Total haloacetic acidsμg/l 0.54Sampled Feb 2026 ≤ 60 0.027
Pesticides Pesticides Parameter Unfiltered tap water Allowed range Filtered Heptachlorug/L 0.01Sampled Feb 2026 ≤ 0.4 0.01 Total pesticidesug/L 0.16Sampled Feb 2026 ≤ 0.5 0.16
Herbicides Herbicides Parameter Unfiltered tap water Allowed range Filtered D 2 4ug/L 0.06Sampled Feb 2026 ≤ 70 0.06 Atrazineug/L 0.02Sampled Feb 2026 ≤ 3 0.02
Perfluorinated chemicals Perfluorinated chemicals Parameter Unfiltered tap water Allowed range Filtered PFOAug/L 0.001Sampled Feb 2026 No limit 0.001 PFOSug/L 0.001Sampled Feb 2026 No limit 0.001 PFNAug/L 0.001Sampled Feb 2026 No limit 0.001 Total PFASug/L 0.071Sampled Feb 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 20 No limit 20 Uraniumug/L 2.7Sampled Feb 2026 No limit 2.7
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.
