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MAIRIE DE CARDET
Water safety Water safety Parameter Unfiltered tap water Allowed range Filtered Free Chlorinemg CL2/l 0.38 0.2 – 1 0.008 ▲ Total Chlorinemg CL2/l 0.41 No limit 0.082
General General Parameter Unfiltered tap water Allowed range Filtered TemperatureC 25.7 No limit 25.7 Hardnessmg CaCO3/l 340.9Sampled Jul 2026 80 – 459 340.9 Hardness fF 34.1Sampled Jul 2026 No limit 34.1 pH 6.9 6.5 – 9.5 6.9 TurbidityNTU 0.1 ≤ 4 0.01 ColorColor Units 5Sampled Jul 2026 ≤ 15 5 ConductivityμS / cm 639 ≤ 2,500 639 TDSmg/l 409estimated 0 – 1,199 409 Alkalinitymg CaCO3/l 329.5Sampled Jul 2026 No limit 329.5 Bicarbonatemg HCO3/l 414Sampled Jul 2026 No limit 414
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 Jul 2026 ≤ 50 0.5 Fluoridemg F/l 0.1Sampled Jul 2026 ≤ 1.5 0.03 Mercuryμg Hg/l 0.5Sampled Jul 2026 ≤ 1 0.05 Nitritesmg NO2/l 0.01Sampled Jul 2026 ≤ 0.5 0.004 Nitratesmg NO3/l 11.4Sampled Jul 2026 ≤ 50 3.42
Minerals Minerals Parameter Unfiltered tap water Allowed range Filtered Magnesiummg/l 6.9Sampled Jul 2026 No limit 6.9 Calciummg/l 125Sampled Jul 2026 No limit 125 Potassiummg/l 1.6Sampled Jul 2026 No limit 1.6 Chloridemg/l 16.4Sampled Jul 2026 ≤ 250 16.4
Metals Metals Parameter Unfiltered tap water Allowed range Filtered Aluminiumμg/l 10Sampled Jul 2026 ≤ 200 10 Antimonyμg/l 1Sampled Jul 2026 ≤ 5 1 Arsenicμg/l 3.7Sampled Jul 2026 ≤ 10 1.85 Bariumμg/l 40Sampled Jul 2026 ≤ 1,000 40 Cadmiumμg/l 1Sampled Jul 2026 ≤ 5 1 Chromiumμg/l 5Sampled Jul 2026 ≤ 50 5 Copperμg/l 47Sampled Jul 2025 ≤ 2,000 2.35 Ironμg/l 10Sampled Jul 2026 ≤ 200 10 Manganeseμg/l 10Sampled Jul 2026 ≤ 50 10 Leadμg/l 2Sampled Jul 2025 ≤ 10 0.1 Nickelμg/l 5Sampled Jul 2025 ≤ 20 5 Seleniumμg/l 2Sampled Jul 2026 ≤ 10 2 Sodiummg/l 9.2Sampled Jul 2026 ≤ 200 9.2
Chlorine by-products Chlorine by-products Parameter Unfiltered tap water Allowed range Filtered Trichloroethyleneμg/l 0.1Sampled Jul 2026 No limit 0.005 Total Trihalomethanesμg/l 7.44Sampled Jul 2026 ≤ 100 0.37
Haloacetic acids Haloacetic acids Parameter Unfiltered tap water Allowed range Filtered Total haloacetic acidsμg/l 1.3Sampled Jul 2026 ≤ 60 0.065
Pesticides Pesticides Parameter Unfiltered tap water Allowed range Filtered Heptachlorug/L 0.005Sampled Jul 2026 ≤ 0.4 0.005 Total pesticidesug/L 0.026Sampled Jul 2026 ≤ 0.5 0.026
Herbicides Herbicides Parameter Unfiltered tap water Allowed range Filtered D 2 4ug/L 0.02Sampled Jul 2026 ≤ 70 0.02 Atrazineug/L 0.005Sampled Jul 2026 ≤ 3 0.005
Perfluorinated chemicals Perfluorinated chemicals Parameter Unfiltered tap water Allowed range Filtered PFOAug/L 0.001Sampled Jul 2026 No limit 0.001 PFOSug/L 0.001Sampled Jul 2026 No limit 0.001 PFNAug/L 0.001Sampled Jul 2026 No limit 0.001 Total PFASug/L 0.016Sampled Jul 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 0.01Sampled Jul 2026 No limit 0.003 Sulfatemg/l 42Sampled Jul 2026 No limit 42 Uraniumug/L 10Sampled Jul 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.
