← Back to summary See all parameters LUSIGNAN CH_EAU CURZAY_MELANGE · Coulombiers
EAUX DE VIENNE - SIVEER
Water safety Water safety Parameter Unfiltered tap water Allowed range Filtered Free Chlorinemg CL2/l 0.4 0.2 – 1 0.008 ▲ Total Chlorinemg CL2/l 0.4 No limit 0.08
General General Parameter Unfiltered tap water Allowed range Filtered TemperatureC 23 No limit 23 Hardnessmg CaCO3/l 220 80 – 459 220 Hardness fF 22 No limit 22 pH 7.7 6.5 – 9.5 7.7 TurbidityNTU 0.3 ≤ 4 0.03 ColorColor Units 5Sampled May 2026 ≤ 15 5 ConductivityμS / cm 602 ≤ 2,500 602 TDSmg/l 385.3estimated 0 – 1,199 385.3 Alkalinitymg CaCO3/l 198 No limit 198 Bicarbonatemg HCO3/l 234Sampled Oct 2025 No limit 234
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 1.1 ≤ 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 35 ≤ 50 10.5
Minerals Minerals Parameter Unfiltered tap water Allowed range Filtered Magnesiummg/l 12Sampled May 2026 No limit 12 Calciummg/l 69Sampled May 2026 No limit 69 Potassiummg/l 1.4Sampled May 2026 No limit 1.4 Chloridemg/l 42 ≤ 250 42
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 1Sampled May 2026 ≤ 10 0.5 Bariumμg/l 40Sampled May 2026 ≤ 1,000 40 Cadmiumμg/l 0.025Sampled May 2026 ≤ 5 0.025 Chromiumμg/l 1Sampled May 2026 ≤ 50 1 Copperμg/l 10Sampled May 2026 ≤ 2,000 0.5 Ironμg/l 10 ≤ 200 10 Manganeseμg/l 1Sampled May 2026 ≤ 50 1 Leadμg/l 0.4Sampled May 2026 ≤ 10 0.02 Nickelμg/l 1Sampled May 2026 ≤ 20 1 Seleniumμg/l 0.9Sampled Oct 2025 ≤ 10 0.9 Sodiummg/l 24Sampled May 2026 ≤ 200 24
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 1.41Sampled May 2026 ≤ 100 0.071
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 May 2026 ≤ 0.4 0.01 Total pesticidesug/L 0Sampled May 2026 ≤ 0.5 0
Herbicides Herbicides Parameter Unfiltered tap water Allowed range Filtered D 2 4ug/L 0.06Sampled May 2026 ≤ 70 0.06 Atrazineug/L 0.02Sampled May 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 22 No limit 22 Uraniumug/L 0.3Sampled May 2026 No limit 0.3
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.
