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MAIRIE DE BLAUZAC
Water safety Water safety Parameter Unfiltered tap water Allowed range Filtered Free Chlorinemg CL2/l 0.37 0.2 – 1 0.007 ▲ Total Chlorinemg CL2/l 0.4 No limit 0.08
General General Parameter Unfiltered tap water Allowed range Filtered TemperatureC 18.6 No limit 18.6 Hardnessmg CaCO3/l 314.9 80 – 459 314.9 Hardness fF 31.5 No limit 31.5 pH 7.5 6.5 – 9.5 7.5 TurbidityNTU 0.17 ≤ 4 0.017 ColorColor Units 5 ≤ 15 5 ConductivityμS / cm 677 ≤ 2,500 677 TDSmg/l 433.3estimated 0 – 1,199 433.3 Alkalinitymg CaCO3/l 301.5 No limit 301.5 Bicarbonatemg HCO3/l 382Sampled Nov 2025 No limit 382
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 Nov 2025 ≤ 50 0.5 Fluoridemg F/l 1.4 ● (Near the limit) ≤ 1.5 0.42 Mercuryμg Hg/l 0.01Sampled Nov 2025 ≤ 1 0.001 Nitritesmg NO2/l 0.01 ≤ 0.5 0.004 Nitratesmg NO3/l 16.2 ≤ 50 4.86
Minerals Minerals Parameter Unfiltered tap water Allowed range Filtered Magnesiummg/l 35.2 No limit 35.2 Calciummg/l 68 No limit 68 Potassiummg/l 3.5Sampled Nov 2025 No limit 3.5 Chloridemg/l 22.9 ≤ 250 22.9
Metals Metals Parameter Unfiltered tap water Allowed range Filtered Aluminiumμg/l 10Sampled Nov 2025 ≤ 200 10 Antimonyμg/l 1Sampled Jul 2025 ≤ 5 1 Arsenicμg/l 2Sampled Nov 2025 ≤ 10 1 Bariumμg/l 164Sampled Nov 2025 ≤ 1,000 164 Cadmiumμg/l 1Sampled Jul 2025 ≤ 5 1 Chromiumμg/l 5Sampled Jul 2025 ≤ 50 5 Copperμg/l 56Sampled Jul 2025 ≤ 2,000 2.8 Ironμg/l 10Sampled Nov 2025 ≤ 200 10 Manganeseμg/l 10Sampled Nov 2025 ≤ 50 10 Leadμg/l 3Sampled Jul 2025 ≤ 10 0.15 Nickelμg/l 5Sampled Jul 2025 ≤ 20 5 Seleniumμg/l 2Sampled Nov 2025 ≤ 10 2 Sodiummg/l 16Sampled Nov 2025 ≤ 200 16
Chlorine by-products Chlorine by-products Parameter Unfiltered tap water Allowed range Filtered Trichloroethyleneμg/l 0.1Sampled Nov 2025 No limit 0.005 Total Trihalomethanesμg/l 1.83Sampled Nov 2025 ≤ 100 0.092
Pesticides Pesticides Parameter Unfiltered tap water Allowed range Filtered Heptachlorug/L 0.005Sampled Nov 2025 ≤ 0.4 0.005 Total pesticidesug/L 0.034Sampled Nov 2025 ≤ 0.5 0.034
Herbicides Herbicides Parameter Unfiltered tap water Allowed range Filtered D 2 4ug/L 0.02Sampled Nov 2025 ≤ 70 0.02 Atrazineug/L 0.005Sampled Nov 2025 ≤ 3 0.005
Perfluorinated chemicals Perfluorinated chemicals Parameter Unfiltered tap water Allowed range Filtered PFOAug/L 0.001Sampled Nov 2025 No limit 0.001 PFOSug/L 0.001Sampled Nov 2025 No limit 0.001 PFNAug/L 0.001Sampled Nov 2025 No limit 0.001 Total PFASug/L 0.029Sampled Nov 2025 ≤ 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 20.8 No limit 20.8
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.
