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SAUR
Water safety Water safety Parameter Unfiltered tap water Allowed range Filtered Free Chlorinemg CL2/l 0.03 ▲ (Outside the range) 0.2 – 1 0.001 ▲ Total Chlorinemg CL2/l 0.07 No limit 0.014
General General Parameter Unfiltered tap water Allowed range Filtered TemperatureC 20.8 No limit 20.8 Hardnessmg CaCO3/l 74.8 ● (Near the limit) 80 – 459 74.8 ● Hardness fF 7.48 No limit 7.48 pH 7.3 6.5 – 9.5 7.3 TurbidityNTU 0.1 ≤ 4 0.01 ColorColor Units 5 ≤ 15 5 ConductivityμS / cm 266 ≤ 2,500 266 TDSmg/l 170.2estimated 0 – 1,199 170.2 Alkalinitymg CaCO3/l 93.5 No limit 93.5
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 Feb 2026 ≤ 50 0.5 Fluoridemg F/l 0.05Sampled Feb 2026 ≤ 1.5 0.015 Mercuryμg Hg/l 0.5Sampled Feb 2026 ≤ 1 0.05 Nitritesmg NO2/l 0.01 ≤ 0.5 0.004 Nitratesmg NO3/l 2.9 ≤ 50 0.87
Minerals Minerals Parameter Unfiltered tap water Allowed range Filtered Magnesiummg/l 1.3 No limit 1.3 Calciummg/l 27.8 No limit 27.8 Potassiummg/l 1.2Sampled Apr 2026 No limit 1.2 Chloridemg/l 17.3 ≤ 250 17.3
Metals Metals Parameter Unfiltered tap water Allowed range Filtered Aluminiumμg/l 53 ≤ 200 53 Antimonyμg/l 1Sampled Feb 2026 ≤ 5 1 Arsenicμg/l 2Sampled Feb 2026 ≤ 10 1 Bariumμg/l 14Sampled Feb 2026 ≤ 1,000 14 Cadmiumμg/l 1Sampled Feb 2026 ≤ 5 1 Chromiumμg/l 5Sampled Feb 2026 ≤ 50 5 Copperμg/l 28Sampled Feb 2026 ≤ 2,000 1.4 Ironμg/l 44Sampled Feb 2026 ≤ 200 44 Manganeseμg/l 10Sampled Feb 2026 ≤ 50 10 Leadμg/l 2Sampled Feb 2026 ≤ 10 0.1 Nickelμg/l 5Sampled Feb 2026 ≤ 20 5 Seleniumμg/l 2Sampled Feb 2026 ≤ 10 2 Sodiummg/l 23.9Sampled Apr 2026 ≤ 200 23.9
Chlorine by-products Chlorine by-products Parameter Unfiltered tap water Allowed range Filtered Trichloroethyleneμg/l 0.1Sampled Feb 2026 No limit 0.005 Total Trihalomethanesμg/l 69.6 ≤ 100 3.48
Haloacetic acids Haloacetic acids Parameter Unfiltered tap water Allowed range Filtered Total haloacetic acidsμg/l 2.3Sampled Apr 2026 ≤ 60 0.12
Pesticides Pesticides Parameter Unfiltered tap water Allowed range Filtered Heptachlorug/L 0.005Sampled Apr 2026 ≤ 0.4 0.005 Total pesticidesug/L 0.5 ● (Near the limit) Sampled Apr 2026 ≤ 0.5 0.5 ●
Herbicides Herbicides Parameter Unfiltered tap water Allowed range Filtered D 2 4ug/L 0.02Sampled Apr 2026 ≤ 70 0.02 Atrazineug/L 0.005Sampled Apr 2026 ≤ 3 0.005
Perfluorinated chemicals Perfluorinated chemicals Parameter Unfiltered tap water Allowed range Filtered PFOAug/L 0.001Sampled Feb 2026 No limit 0.001 PFOSug/L 0.001Sampled Feb 2026 No limit 0.001 PFNAug/L 0.001Sampled Feb 2026 No limit 0.001 Total PFASug/L 0.029Sampled Feb 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 0.03 No limit 0.009 Sulfatemg/l 5.6 No limit 5.6 Uraniumug/L 10Sampled Feb 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.
