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SIVU PERCHE SUD
Water safety Water safety Parameter Unfiltered tap water Allowed range Filtered Free Chlorinemg CL2/l 0.44 0.2 – 1 0.009 ▲ Total Chlorinemg CL2/l 0.47 No limit 0.094
General General Parameter Unfiltered tap water Allowed range Filtered TemperatureC 13 No limit 13 Hardnessmg CaCO3/l 330 80 – 459 330 Hardness fF 33 No limit 33 pH 7.4 6.5 – 9.5 7.4 TurbidityNTU 0.2 ≤ 4 0.02 ConductivityμS / cm 691 ≤ 2,500 691 TDSmg/l 442.2estimated 0 – 1,199 442.2 Alkalinitymg CaCO3/l 270 No limit 270 Bicarbonatemg HCO3/l 322Sampled Jun 2025 No limit 322
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 10Sampled Jun 2025 ≤ 50 0.5 Fluoridemg F/l 0.19Sampled Jun 2025 ≤ 1.5 0.057 Mercuryμg Hg/l 0.05Sampled Jun 2025 ≤ 1 0.005 Nitritesmg NO2/l 0.01 ≤ 0.5 0.004 Nitratesmg NO3/l 17 ≤ 50 5.1
Minerals Minerals Parameter Unfiltered tap water Allowed range Filtered Magnesiummg/l 3.5Sampled Jun 2025 No limit 3.5 Calciummg/l 130Sampled Jun 2025 No limit 130 Potassiummg/l 3.3Sampled Jun 2025 No limit 3.3 Chloridemg/l 18 ≤ 250 18
Metals Metals Parameter Unfiltered tap water Allowed range Filtered Aluminiumμg/l 2Sampled Jun 2025 ≤ 200 2 Arsenicμg/l 0.25Sampled Jun 2025 ≤ 10 0.13 Bariumμg/l 60Sampled Jun 2025 ≤ 1,000 60 Ironμg/l 2.3Sampled Jun 2025 ≤ 200 2.3 Manganeseμg/l 1Sampled Jun 2025 ≤ 50 1 Leadμg/l Not reported ≤ 10 — Seleniumμg/l 0.5Sampled Jun 2025 ≤ 10 0.5 Sodiummg/l 9.6Sampled Jun 2025 ≤ 200 9.6
Chlorine by-products Chlorine by-products Parameter Unfiltered tap water Allowed range Filtered Trichloroethyleneμg/l 0.05Sampled Jun 2025 No limit 0.003 Total Trihalomethanesμg/l 4.44Sampled Jun 2025 ≤ 100 0.22
Pesticides Pesticides Parameter Unfiltered tap water Allowed range Filtered Heptachlorug/L 0.005Sampled Jun 2025 ≤ 0.4 0.005 Total pesticidesug/L 0.13Sampled Jun 2025 ≤ 0.5 0.13
Herbicides Herbicides Parameter Unfiltered tap water Allowed range Filtered D 2 4ug/L 0.02Sampled Jun 2025 ≤ 70 0.02 Atrazineug/L 0.01Sampled Jun 2025 ≤ 3 0.01
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 0.001Sampled Jun 2025 ≤ 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 0.05 No limit 0.015 Sulfatemg/l 54 No limit 54
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.
