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SIAEP AUZON
Water safety Water safety Parameter Unfiltered tap water Allowed range Filtered Free Chlorinemg CL2/l 0.24 0.2 – 1 0.005 ▲ Total Chlorinemg CL2/l 0.31 No limit 0.062
General General Parameter Unfiltered tap water Allowed range Filtered TemperatureC 23 No limit 23 Hardnessmg CaCO3/l 156 80 – 459 156 Hardness fF 15.6 No limit 15.6 pH 6.8 6.5 – 9.5 6.8 TurbidityNTU 0.54 ≤ 4 0.054 ColorColor Units 5 ≤ 15 5 ConductivityμS / cm 321Sampled Dec 2025 ≤ 2,500 321 TDSmg/l 205.4Sampled Dec 2025 estimated 0 – 1,199 205.4 Alkalinitymg CaCO3/l 149 No limit 149 Bicarbonatemg HCO3/l 183Sampled Oct 2025 No limit 183
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 5Sampled Oct 2025 ≤ 50 0.25 Fluoridemg F/l 0.11Sampled Oct 2025 ≤ 1.5 0.033 Mercuryμg Hg/l 0.015Sampled Oct 2025 ≤ 1 0.002 Nitritesmg NO2/l 0.01 ≤ 0.5 0.004 Nitratesmg NO3/l 10 ≤ 50 3
Minerals Minerals Parameter Unfiltered tap water Allowed range Filtered Magnesiummg/l 15Sampled Oct 2025 No limit 15 Calciummg/l 33.2Sampled Oct 2025 No limit 33.2 Potassiummg/l 4.1Sampled Oct 2025 No limit 4.1 Chloridemg/l 12.7 ≤ 250 12.7
Metals Metals Parameter Unfiltered tap water Allowed range Filtered Aluminiumμg/l 3Sampled Oct 2025 ≤ 200 3 Antimonyμg/l 0.2Sampled May 2025 ≤ 5 0.2 Arsenicμg/l 2Sampled Oct 2025 ≤ 10 1 Bariumμg/l 171Sampled Oct 2025 ≤ 1,000 171 Cadmiumμg/l 0.048Sampled May 2025 ≤ 5 0.048 Chromiumμg/l 0.5Sampled May 2025 ≤ 50 0.5 Ironμg/l 1 ≤ 200 1 Manganeseμg/l 1Sampled Oct 2025 ≤ 50 1 Leadμg/l Not reported ≤ 10 — Sodiummg/l 5.7Sampled Oct 2025 ≤ 200 5.7
Chlorine by-products Chlorine by-products Parameter Unfiltered tap water Allowed range Filtered Trichloroethyleneμg/l 0.1Sampled Oct 2025 No limit 0.005
Pesticides Pesticides Parameter Unfiltered tap water Allowed range Filtered Heptachlorug/L 0.001Sampled Oct 2025 ≤ 0.4 0.001 Total pesticidesug/L 0Sampled Oct 2025 ≤ 0.5 0
Herbicides Herbicides Parameter Unfiltered tap water Allowed range Filtered D 2 4ug/L 0.02Sampled Oct 2025 ≤ 70 0.02 Atrazineug/L 0.01Sampled Oct 2025 ≤ 3 0.01
Perfluorinated chemicals Perfluorinated chemicals Parameter Unfiltered tap water Allowed range Filtered PFOAug/L 0.001Sampled Oct 2025 No limit 0.001 PFOSug/L 0.002Sampled Oct 2025 No limit 0.002 PFNAug/L 0.001Sampled Oct 2025 No limit 0.001 Total PFASug/L 0Sampled Oct 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 6.12 No limit 6.12
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.
