← Back to summary See all parameters FONTJOIN MONAS · Valdivienne
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 22 No limit 22 Hardnessmg CaCO3/l 340 80 – 459 340 Hardness fF 34 No limit 34 pH 7.5 6.5 – 9.5 7.5 TurbidityNTU 0.3 ≤ 4 0.03 ColorColor Units 5Sampled Apr 2026 ≤ 15 5 ConductivityμS / cm 681 ≤ 2,500 681 TDSmg/l 435.8estimated 0 – 1,199 435.8 Alkalinitymg CaCO3/l 315 No limit 315 Bicarbonatemg HCO3/l 347Sampled Jun 2025 No limit 347
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 Apr 2026 ≤ 50 0.25 Fluoridemg F/l 0.1Sampled Apr 2026 ≤ 1.5 0.03 Mercuryμg Hg/l 0.015Sampled Apr 2026 ≤ 1 0.002 Nitritesmg NO2/l 0.01 ≤ 0.5 0.004 Nitratesmg NO3/l 15 ≤ 50 4.5
Minerals Minerals Parameter Unfiltered tap water Allowed range Filtered Magnesiummg/l 16Sampled Apr 2026 No limit 16 Calciummg/l 110Sampled Apr 2026 No limit 110 Potassiummg/l 2.5Sampled Apr 2026 No limit 2.5 Chloridemg/l 16 ≤ 250 16
Metals Metals Parameter Unfiltered tap water Allowed range Filtered Aluminiumμg/l 20Sampled Apr 2026 ≤ 200 20 Antimonyμg/l 0.5Sampled Apr 2026 ≤ 5 0.5 Arsenicμg/l 0.2Sampled Apr 2026 ≤ 10 0.1 Bariumμg/l 60Sampled Apr 2026 ≤ 1,000 60 Cadmiumμg/l 0.025Sampled Apr 2026 ≤ 5 0.025 Chromiumμg/l 1Sampled Apr 2026 ≤ 50 1 Copperμg/l 10Sampled Apr 2026 ≤ 2,000 0.5 Ironμg/l 10Sampled Apr 2026 ≤ 200 10 Manganeseμg/l 1Sampled Apr 2026 ≤ 50 1 Leadμg/l 0.4Sampled Apr 2026 ≤ 10 0.02 Nickelμg/l 1Sampled Apr 2026 ≤ 20 1 Seleniumμg/l 4Sampled Jun 2025 ≤ 10 4 Sodiummg/l 10Sampled Apr 2026 ≤ 200 10
Chlorine by-products Chlorine by-products Parameter Unfiltered tap water Allowed range Filtered Trichloroethyleneμg/l 0.15Sampled Apr 2026 No limit 0.008 Total Trihalomethanesμg/l 4.93Sampled Apr 2026 ≤ 100 0.25
Haloacetic acids Haloacetic acids Parameter Unfiltered tap water Allowed range Filtered Total haloacetic acidsμg/l 0.82Sampled Apr 2026 ≤ 60 0.041
Pesticides Pesticides Parameter Unfiltered tap water Allowed range Filtered Heptachlorug/L 0.01Sampled Apr 2026 ≤ 0.4 0.01 Total pesticidesug/L 0Sampled Apr 2026 ≤ 0.5 0
Herbicides Herbicides Parameter Unfiltered tap water Allowed range Filtered D 2 4ug/L 0.06Sampled Apr 2026 ≤ 70 0.06 Atrazineug/L 0.02Sampled Apr 2026 ≤ 3 0.02
Perfluorinated chemicals Perfluorinated chemicals Parameter Unfiltered tap water Allowed range Filtered PFOAug/L 0.001Sampled Apr 2026 No limit 0.001 PFOSug/L 0.001Sampled Apr 2026 No limit 0.001 PFNAug/L 0.001Sampled Apr 2026 No limit 0.001 Total PFASug/L 0.071Sampled Apr 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 22 No limit 22 Uraniumug/L 4.5Sampled Apr 2026 No limit 4.5
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.
