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SAUR
Water safety Water safety Parameter Unfiltered tap water Allowed range Filtered Free Chlorinemg CL2/l 0.36 0.2 – 1 0.007 ▲ Total Chlorinemg CL2/l 0.42 No limit 0.084
General General Parameter Unfiltered tap water Allowed range Filtered TemperatureC 18.3 No limit 18.3 Hardnessmg CaCO3/l 17.4 ● (Near the limit) 80 – 459 17.4 ● Hardness fF 1.74 No limit 1.74 pH 7.6 6.5 – 9.5 7.6 TurbidityNTU 0.1 ≤ 4 0.01 ColorColor Units 5 ≤ 15 5 ConductivityμS / cm 108 ≤ 2,500 108 TDSmg/l 69.1estimated 0 – 1,199 69.1 Alkalinitymg CaCO3/l 9.5 No limit 9.5
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 Jan 2026 ≤ 50 0.5 Fluoridemg F/l 0.05Sampled Jan 2026 ≤ 1.5 0.015 Mercuryμg Hg/l 0.5Sampled Jan 2026 ≤ 1 0.05 Nitritesmg NO2/l 0.01 ≤ 0.5 0.004 Nitratesmg NO3/l 3.1 ≤ 50 0.93
Minerals Minerals Parameter Unfiltered tap water Allowed range Filtered Magnesiummg/l 1.3 No limit 1.3 Calciummg/l 5.3 No limit 5.3 Potassiummg/l 0.9 No limit 0.9 Chloridemg/l 20.8 ≤ 250 20.8
Metals Metals Parameter Unfiltered tap water Allowed range Filtered Aluminiumμg/l 19 ≤ 200 19 Antimonyμg/l 1Sampled Jan 2026 ≤ 5 1 Arsenicμg/l 2Sampled Jan 2026 ≤ 10 1 Bariumμg/l 10Sampled Jan 2026 ≤ 1,000 10 Cadmiumμg/l 1Sampled Jan 2026 ≤ 5 1 Chromiumμg/l 5Sampled Jan 2026 ≤ 50 5 Copperμg/l 12Sampled Jan 2026 ≤ 2,000 0.6 Ironμg/l 57Sampled Jan 2026 ≤ 200 57 Manganeseμg/l 10Sampled Jan 2026 ≤ 50 10 Leadμg/l 2Sampled Jan 2026 ≤ 10 0.1 Nickelμg/l 5Sampled Jan 2026 ≤ 20 5 Seleniumμg/l 2Sampled Jan 2026 ≤ 10 2 Sodiummg/l 10.9 ≤ 200 10.9
Chlorine by-products Chlorine by-products Parameter Unfiltered tap water Allowed range Filtered Trichloroethyleneμg/l 0.1Sampled Jan 2026 No limit 0.005 Total Trihalomethanesμg/l 24.7 ≤ 100 1.23
Haloacetic acids Haloacetic acids Parameter Unfiltered tap water Allowed range Filtered Total haloacetic acidsμg/l 4.9 ≤ 60 0.25
Pesticides Pesticides Parameter Unfiltered tap water Allowed range Filtered Heptachlorug/L 0.005 ≤ 0.4 0.005 Total pesticidesug/L 0.5 ● (Near the limit) ≤ 0.5 0.5 ●
Herbicides Herbicides Parameter Unfiltered tap water Allowed range Filtered D 2 4ug/L 0.02 ≤ 70 0.02 Atrazineug/L 0.005 ≤ 3 0.005
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 0.029Sampled Jan 2026 ≤ 0.1 0.003 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 4.5 No limit 4.5 Uraniumug/L 10Sampled Jan 2026 No limit 10
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.
