← Back to summary See all parameters RESEAU PUITS FOURBANNE · Cubry
SAUR BOURGOGNE FRANCHE-COMTE
Water safety Water safety Parameter Unfiltered tap water Allowed range Filtered Free Chlorinemg CL2/l 0.4 0.2 – 1 0.008 ▲ Total Chlorinemg CL2/l 0.45 No limit 0.09
General General Parameter Unfiltered tap water Allowed range Filtered TemperatureC 9.1 No limit 9.1 Hardnessmg CaCO3/l 306 80 – 459 306 Hardness fF 30.6 No limit 30.6 pH 7.4 6.5 – 9.5 7.4 TurbidityNTU 0.2 ≤ 4 0.02 ConductivityμS / cm 591 ≤ 2,500 591 TDSmg/l 378.2estimated 0 – 1,199 378.2 Alkalinitymg CaCO3/l 272 No limit 272 Bicarbonatemg HCO3/l 329Sampled Sept 2025 No limit 329
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 Sept 2025 ≤ 50 0.5 Fluoridemg F/l 0.08Sampled Sept 2025 ≤ 1.5 0.024 Mercuryμg Hg/l 0.015Sampled Sept 2025 ≤ 1 0.002 Nitritesmg NO2/l 0.01 ≤ 0.5 0.004 Nitratesmg NO3/l 19 ≤ 50 5.7
Minerals Minerals Parameter Unfiltered tap water Allowed range Filtered Magnesiummg/l 3.5Sampled Sept 2025 No limit 3.5 Calciummg/l 109Sampled Sept 2025 No limit 109 Potassiummg/l 2.24Sampled Sept 2025 No limit 2.24 Chloridemg/l 13 ≤ 250 13
Metals Metals Parameter Unfiltered tap water Allowed range Filtered Aluminiumμg/l 10Sampled Sept 2025 ≤ 200 10 Arsenicμg/l 1Sampled Sept 2025 ≤ 10 0.5 Bariumμg/l 11.7Sampled Sept 2025 ≤ 1,000 11.7 Ironμg/l 10Sampled Sept 2025 ≤ 200 10 Manganeseμg/l 2Sampled Sept 2025 ≤ 50 2 Leadμg/l Not reported ≤ 10 — Seleniumμg/l 1Sampled Sept 2025 ≤ 10 1 Sodiummg/l 8.74Sampled Sept 2025 ≤ 200 8.74
Chlorine by-products Chlorine by-products Parameter Unfiltered tap water Allowed range Filtered Trichloroethyleneμg/l 0.1Sampled Sept 2025 No limit 0.005 Total Trihalomethanesμg/l 9.67Sampled Sept 2025 ≤ 100 0.48
Pesticides Pesticides Parameter Unfiltered tap water Allowed range Filtered Heptachlorug/L 0.005Sampled Sept 2025 ≤ 0.4 0.005 Total pesticidesug/L 0.026Sampled Sept 2025 ≤ 0.5 0.026
Herbicides Herbicides Parameter Unfiltered tap water Allowed range Filtered D 2 4ug/L 0.02Sampled Sept 2025 ≤ 70 0.02 Atrazineug/L 0.005Sampled Sept 2025 ≤ 3 0.005
Perfluorinated chemicals Perfluorinated chemicals Parameter Unfiltered tap water Allowed range Filtered PFOAug/L 0.002Sampled Sept 2025 No limit 0.002 PFOSug/L 0.002Sampled Sept 2025 No limit 0.002 PFNAug/L 0.001Sampled Sept 2025 No limit 0.001 Total PFASug/L 0.004Sampled Sept 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 9.8 No limit 9.8
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.
