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MAIRIE DE SAINT-PIERRE-DE-MEAROTZ
Water safety Water safety Parameter Unfiltered tap water Allowed range Filtered Free Chlorinemg CL2/l 0.25 0.2 – 1 0.005 ▲ Total Chlorinemg CL2/l 0.28 No limit 0.056
General General Parameter Unfiltered tap water Allowed range Filtered TemperatureC 17.5 No limit 17.5 Hardnessmg CaCO3/l 299.5 80 – 459 299.5 Hardness fF 30 No limit 30 pH 7.4 6.5 – 9.5 7.4 TurbidityNTU 0.13 ≤ 4 0.013 ColorColor Units 5 ≤ 15 5 ConductivityμS / cm 608 ≤ 2,500 608 TDSmg/l 389.1estimated 0 – 1,199 389.1 Alkalinitymg CaCO3/l 301.5 No limit 301.5
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 Apr 2025 ≤ 50 0.5 Fluoridemg F/l 0.1Sampled Apr 2025 ≤ 1.5 0.03 Mercuryμg Hg/l 0.01Sampled Apr 2025 ≤ 1 0.001 Nitritesmg NO2/l 0.01 ≤ 0.5 0.004 Nitratesmg NO3/l 20.8 ≤ 50 6.24
Minerals Minerals Parameter Unfiltered tap water Allowed range Filtered Magnesiummg/l 7.2Sampled Apr 2025 No limit 7.2 Calciummg/l 104.1Sampled Apr 2025 No limit 104.1 Potassiummg/l 2Sampled Apr 2025 No limit 2 Chloridemg/l 14.3 ≤ 250 14.3
Metals Metals Parameter Unfiltered tap water Allowed range Filtered Aluminiumμg/l 10Sampled Apr 2025 ≤ 200 10 Arsenicμg/l 2Sampled Apr 2025 ≤ 10 1 Bariumμg/l 44Sampled Apr 2025 ≤ 1,000 44 Ironμg/l 10Sampled Apr 2025 ≤ 200 10 Manganeseμg/l 10Sampled Apr 2025 ≤ 50 10 Leadμg/l Not reported ≤ 10 — Seleniumμg/l 2Sampled Apr 2025 ≤ 10 2 Sodiummg/l 8Sampled Apr 2025 ≤ 200 8
Chlorine by-products Chlorine by-products Parameter Unfiltered tap water Allowed range Filtered Trichloroethyleneμg/l 0.1Sampled Apr 2025 No limit 0.005 Total Trihalomethanesμg/l 3.53Sampled Apr 2025 ≤ 100 0.18
Pesticides Pesticides Parameter Unfiltered tap water Allowed range Filtered Heptachlorug/L 0.005Sampled Apr 2025 ≤ 0.4 0.005 Total pesticidesug/L 0.014Sampled Apr 2025 ≤ 0.5 0.014
Herbicides Herbicides Parameter Unfiltered tap water Allowed range Filtered D 2 4ug/L 0.02Sampled Apr 2025 ≤ 70 0.02 Atrazineug/L 0.005Sampled Apr 2025 ≤ 3 0.005
Perfluorinated chemicals Perfluorinated chemicals Parameter Unfiltered tap water Allowed range Filtered PFOAug/L 0.001Sampled Apr 2025 No limit 0.001 PFOSug/L 0.001Sampled Apr 2025 No limit 0.001 PFNAug/L 0.001Sampled Apr 2025 No limit 0.001 Total PFASug/L 0.004Sampled Apr 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 18.2 No limit 18.2
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.
