← Back to summary See all parameters ROMAGNE · Voulon
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 25 No limit 25 Hardnessmg CaCO3/l 300 80 – 459 300 Hardness fF 30 No limit 30 pH 7.5 6.5 – 9.5 7.5 TurbidityNTU 0.3 ≤ 4 0.03 ColorColor Units 5Sampled Jan 2026 ≤ 15 5 ConductivityμS / cm 687 ≤ 2,500 687 TDSmg/l 439.7estimated 0 – 1,199 439.7 Alkalinitymg CaCO3/l 254 No limit 254 Bicarbonatemg HCO3/l 305Sampled Jan 2025 No limit 305
Pathogens Pathogens Parameter Unfiltered tap water Allowed range Filtered ClostridiumUFC/100ml 0Sampled May 2026 ≤ 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 23 ≤ 50 6.9
Minerals Minerals Parameter Unfiltered tap water Allowed range Filtered Magnesiummg/l 13Sampled Jan 2026 No limit 13 Calciummg/l 105Sampled Jan 2026 No limit 105 Potassiummg/l 0.99Sampled Jan 2026 No limit 0.99 Chloridemg/l 46 ≤ 250 46
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 0.4Sampled Jan 2026 ≤ 10 0.2 Bariumμg/l 140Sampled Jan 2026 ≤ 1,000 140 Cadmiumμg/l 0.025Sampled Jan 2026 ≤ 5 0.025 Chromiumμg/l 1Sampled Jan 2026 ≤ 50 1 Copperμg/l 4Sampled Jan 2026 ≤ 2,000 0.2 Ironμg/l 10Sampled May 2026 ≤ 200 10 Manganeseμg/l 1Sampled Jan 2026 ≤ 50 1 Leadμg/l 0.4Sampled Jan 2026 ≤ 10 0.02 Nickelμg/l 1Sampled Jan 2026 ≤ 20 1 Seleniumμg/l 4Sampled Jan 2026 ≤ 10 4 Sodiummg/l 20Sampled Jan 2026 ≤ 200 20
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 5.64Sampled Jan 2026 ≤ 100 0.28
Haloacetic acids Haloacetic acids Parameter Unfiltered tap water Allowed range Filtered Total haloacetic acidsμg/l 1.2Sampled Jan 2026 ≤ 60 0.06
Pesticides Pesticides Parameter Unfiltered tap water Allowed range Filtered Heptachlorug/L 0.01Sampled Jan 2026 ≤ 0.4 0.01 Total pesticidesug/L 0Sampled Jan 2026 ≤ 0.5 0
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 17 No limit 17 Uraniumug/L 3.1Sampled Jan 2026 No limit 3.1
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.
