← Back to summary See all parameters BEAUFORT RESEAU · Saint-Barthélemy
CC BIÈVRE ISÈRE
Water safety Water safety Parameter Unfiltered tap water Allowed range Filtered Free Chlorinemg CL2/l 0.12 ● (Near the limit) 0.2 – 1 0.002 ▲ Total Chlorinemg CL2/l 0.13 No limit 0.026
General General Parameter Unfiltered tap water Allowed range Filtered TemperatureC 23.4 No limit 23.4 Hardnessmg CaCO3/l 302.9 80 – 459 302.9 Hardness fF 30.3 No limit 30.3 pH 7.5 6.5 – 9.5 7.5 TurbidityNTU 0.14 ≤ 4 0.014 ColorColor Units 5 ≤ 15 5 ConductivityμS / cm 509 ≤ 2,500 509 TDSmg/l 325.8estimated 0 – 1,199 325.8 Alkalinitymg CaCO3/l 237.5 No limit 237.5
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 Mar 2026 ≤ 50 0.5 Fluoridemg F/l 0.05Sampled Mar 2026 ≤ 1.5 0.015 Mercuryμg Hg/l 0.01Sampled Mar 2026 ≤ 1 0.001 Nitritesmg NO2/l 0.01 ≤ 0.5 0.004 Nitratesmg NO3/l 28.1 ≤ 50 8.43
Minerals Minerals Parameter Unfiltered tap water Allowed range Filtered Magnesiummg/l 2.4Sampled Mar 2026 No limit 2.4 Calciummg/l 95.2Sampled Mar 2026 No limit 95.2 Potassiummg/l 0.8Sampled Mar 2026 No limit 0.8 Chloridemg/l 12.4 ≤ 250 12.4
Metals Metals Parameter Unfiltered tap water Allowed range Filtered Aluminiumμg/l 10Sampled Mar 2026 ≤ 200 10 Antimonyμg/l 1Sampled Mar 2026 ≤ 5 1 Arsenicμg/l 2Sampled Mar 2026 ≤ 10 1 Bariumμg/l 15Sampled Mar 2026 ≤ 1,000 15 Cadmiumμg/l 1Sampled Mar 2026 ≤ 5 1 Chromiumμg/l 5Sampled Mar 2026 ≤ 50 5 Copperμg/l 48Sampled Mar 2026 ≤ 2,000 2.4 Ironμg/l 10Sampled Mar 2026 ≤ 200 10 Manganeseμg/l 10Sampled Mar 2026 ≤ 50 10 Leadμg/l 2Sampled Mar 2026 ≤ 10 0.1 Nickelμg/l 5Sampled Mar 2026 ≤ 20 5 Seleniumμg/l 2Sampled Mar 2026 ≤ 10 2 Sodiummg/l 4.4Sampled Mar 2026 ≤ 200 4.4
Chlorine by-products Chlorine by-products Parameter Unfiltered tap water Allowed range Filtered Trichloroethyleneμg/l 0.1Sampled Mar 2026 No limit 0.005 Total Trihalomethanesμg/l 1.95Sampled May 2025 ≤ 100 0.098
Pesticides Pesticides Parameter Unfiltered tap water Allowed range Filtered Heptachlorug/L 0.005Sampled Mar 2026 ≤ 0.4 0.005 Total pesticidesug/L 0.031Sampled Mar 2026 ≤ 0.5 0.031
Herbicides Herbicides Parameter Unfiltered tap water Allowed range Filtered D 2 4ug/L 0.02Sampled Mar 2026 ≤ 70 0.02 Atrazineug/L 0.005Sampled Mar 2026 ≤ 3 0.005
Perfluorinated chemicals Perfluorinated chemicals Parameter Unfiltered tap water Allowed range Filtered PFOAug/L 0.006Sampled Mar 2026 No limit 0.006 PFOSug/L 0.002Sampled Mar 2026 No limit 0.002 PFNAug/L 0.001Sampled Mar 2026 No limit 0.001 Total PFASug/L 0.023Sampled Mar 2026 ≤ 0.1 0.002 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 7.7 No limit 7.7 Uraniumug/L 10Sampled Mar 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.
