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SAUR BOURGOGNE FRANCHE-COMTE
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 0.55 No limit 0.11
General General Parameter Unfiltered tap water Allowed range Filtered TemperatureC 10.5 No limit 10.5 Hardnessmg CaCO3/l 309 80 – 459 309 Hardness fF 30.9 No limit 30.9 pH 7.4 6.5 – 9.5 7.4 TurbidityNTU 0.2 ≤ 4 0.02 ConductivityμS / cm 573 ≤ 2,500 573 TDSmg/l 366.7estimated 0 – 1,199 366.7 Alkalinitymg CaCO3/l 277 No limit 277 Bicarbonatemg HCO3/l 340Sampled Feb 2025 No limit 340
Pathogens Pathogens Parameter Unfiltered tap water Allowed range Filtered 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 2025 ≤ 50 0.5 Fluoridemg F/l 0.07Sampled Feb 2025 ≤ 1.5 0.021 Mercuryμg Hg/l 0.015Sampled Feb 2025 ≤ 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 5.5Sampled Feb 2025 No limit 5.5 Calciummg/l 110Sampled Feb 2025 No limit 110 Potassiummg/l 0.55Sampled Feb 2025 No limit 0.55 Chloridemg/l 4.6 ≤ 250 4.6
Metals Metals Parameter Unfiltered tap water Allowed range Filtered Aluminiumμg/l 10Sampled Feb 2025 ≤ 200 10 Antimonyμg/l 1Sampled May 2025 ≤ 5 1 Arsenicμg/l 1Sampled Feb 2025 ≤ 10 0.5 Bariumμg/l 10Sampled Feb 2025 ≤ 1,000 10 Cadmiumμg/l 1Sampled May 2025 ≤ 5 1 Chromiumμg/l 2Sampled May 2025 ≤ 50 2 Copperμg/l 41.5Sampled May 2025 ≤ 2,000 2.08 Ironμg/l 10Sampled May 2025 ≤ 200 10 Manganeseμg/l 2Sampled Feb 2025 ≤ 50 2 Leadμg/l 2Sampled May 2025 ≤ 10 0.1 Nickelμg/l 3.3Sampled May 2025 ≤ 20 3.3 Seleniumμg/l 1Sampled Feb 2025 ≤ 10 1 Sodiummg/l 2.48Sampled Feb 2025 ≤ 200 2.48
Chlorine by-products Chlorine by-products Parameter Unfiltered tap water Allowed range Filtered Trichloroethyleneμg/l 0.1Sampled Feb 2025 No limit 0.005 Total Trihalomethanesμg/l 2.21Sampled May 2025 ≤ 100 0.11
Pesticides Pesticides Parameter Unfiltered tap water Allowed range Filtered Heptachlorug/L 0.005Sampled Feb 2025 ≤ 0.4 0.005 Total pesticidesug/L 0.074Sampled Feb 2025 ≤ 0.5 0.074
Herbicides Herbicides Parameter Unfiltered tap water Allowed range Filtered D 2 4ug/L 0.02Sampled Feb 2025 ≤ 70 0.02 Atrazineug/L 0.01Sampled Feb 2025 ≤ 3 0.01
Perfluorinated chemicals Perfluorinated chemicals Parameter Unfiltered tap water Allowed range Filtered PFOAug/L 0.001Sampled Feb 2025 No limit 0.001 PFOSug/L 0.001Sampled Feb 2025 No limit 0.001 PFNAug/L 0.001Sampled Feb 2025 No limit 0.001 Total PFASug/L 0.001Sampled Feb 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 0.01 No limit 0.003 Sulfatemg/l 7 No limit 7
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.
