← Back to summary See all parameters LUSIGNAN POISNIERE · Lusignan
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 0.5 No limit 0.1
General General Parameter Unfiltered tap water Allowed range Filtered TemperatureC 18 No limit 18 Hardnessmg CaCO3/l 260 80 – 459 260 Hardness fF 26 No limit 26 pH 7.7 6.5 – 9.5 7.7 TurbidityNTU 0.3 ≤ 4 0.03 ConductivityμS / cm 567 ≤ 2,500 567 TDSmg/l 362.9estimated 0 – 1,199 362.9 Alkalinitymg CaCO3/l 233 No limit 233 Bicarbonatemg HCO3/l 282Sampled Oct 2025 No limit 282
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 Oct 2025 ≤ 50 0.25 Fluoridemg F/l 0.68 ≤ 1.5 0.2 Mercuryμg Hg/l 0.015Sampled Oct 2025 ≤ 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 13Sampled Oct 2025 No limit 13 Calciummg/l 82Sampled Oct 2025 No limit 82 Potassiummg/l 2.4Sampled Oct 2025 No limit 2.4 Chloridemg/l 18 ≤ 250 18
Metals Metals Parameter Unfiltered tap water Allowed range Filtered Aluminiumμg/l 20Sampled Oct 2025 ≤ 200 20 Antimonyμg/l 0.5Sampled Oct 2025 ≤ 5 0.5 Arsenicμg/l 1Sampled Oct 2025 ≤ 10 0.5 Bariumμg/l 60Sampled Oct 2025 ≤ 1,000 60 Cadmiumμg/l 0.025Sampled Oct 2025 ≤ 5 0.025 Chromiumμg/l 1Sampled Oct 2025 ≤ 50 1 Copperμg/l 40Sampled Oct 2025 ≤ 2,000 2 Ironμg/l 40 ≤ 200 40 Manganeseμg/l 3Sampled Oct 2025 ≤ 50 3 Leadμg/l 1Sampled Oct 2025 ≤ 10 0.05 Nickelμg/l 1Sampled Oct 2025 ≤ 20 1 Seleniumμg/l 0.5Sampled Oct 2025 ≤ 10 0.5 Sodiummg/l 13Sampled Oct 2025 ≤ 200 13
Chlorine by-products Chlorine by-products Parameter Unfiltered tap water Allowed range Filtered Trichloroethyleneμg/l 0.15Sampled Oct 2025 No limit 0.008 Total Trihalomethanesμg/l 1.02Sampled Oct 2025 ≤ 100 0.051
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 Jun 2025 No limit 0.001 PFOSug/L 0.001Sampled Jun 2025 No limit 0.001 PFNAug/L 0.001Sampled Jun 2025 No limit 0.001 Total PFASug/L 0.071Sampled Jun 2025 ≤ 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 8.8 No limit 8.8
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.
