← Back to summary See all parameters BALLEE · Bouessay
C.C. DU PAYS DE MESLAY-GREZ
Water safety Water safety Parameter Unfiltered tap water Allowed range Filtered Free Chlorinemg CL2/l 0.05 ● (Near the limit) 0.2 – 1 0.001 ▲ Total Chlorinemg CL2/l 0.11 No limit 0.022
General General Parameter Unfiltered tap water Allowed range Filtered TemperatureC 21.3 No limit 21.3 Hardnessmg CaCO3/l 237 80 – 459 237 Hardness fF 23.7 No limit 23.7 pH 7.7 6.5 – 9.5 7.7 TurbidityNTU 0.3 ≤ 4 0.03 ColorColor Units 5 ≤ 15 5 ConductivityμS / cm 1,020 ≤ 2,500 1,020 TDSmg/l 652.8estimated 0 – 1,199 652.8 Alkalinitymg CaCO3/l 230 No limit 230 Bicarbonatemg HCO3/l 242Sampled Mar 2025 No limit 242
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 Mar 2025 ≤ 50 0.25 Fluoridemg F/l 0.05Sampled Mar 2025 ≤ 1.5 0.015 Mercuryμg Hg/l 0.015Sampled Mar 2025 ≤ 1 0.002 Nitritesmg NO2/l 0.01 ≤ 0.5 0.004 Nitratesmg NO3/l 37 ≤ 50 11.1
Minerals Minerals Parameter Unfiltered tap water Allowed range Filtered Magnesiummg/l 6.9Sampled Mar 2025 No limit 6.9 Calciummg/l 131Sampled Mar 2025 No limit 131 Potassiummg/l 3.2Sampled Mar 2025 No limit 3.2 Chloridemg/l 167 ≤ 250 167
Metals Metals Parameter Unfiltered tap water Allowed range Filtered Aluminiumμg/l 12Sampled Mar 2025 ≤ 200 12 Antimonyμg/l 0.2Sampled Sept 2025 ≤ 5 0.2 Arsenicμg/l 0.2Sampled Mar 2025 ≤ 10 0.1 Bariumμg/l 27Sampled Mar 2025 ≤ 1,000 27 Cadmiumμg/l 0.042Sampled Sept 2025 ≤ 5 0.042 Chromiumμg/l 0.4Sampled Sept 2025 ≤ 50 0.4 Copperμg/l 2.9Sampled Sept 2025 ≤ 2,000 0.15 Ironμg/l 11Sampled Sept 2025 ≤ 200 11 Manganeseμg/l 1Sampled Mar 2025 ≤ 50 1 Leadμg/l 0.2Sampled Sept 2025 ≤ 10 0.01 Nickelμg/l 0.2Sampled Sept 2025 ≤ 20 0.2 Seleniumμg/l 0.2Sampled Mar 2025 ≤ 10 0.2 Sodiummg/l 108Sampled Dec 2025 ≤ 200 108
Chlorine by-products Chlorine by-products Parameter Unfiltered tap water Allowed range Filtered Trichloroethyleneμg/l 0.1Sampled Mar 2025 No limit 0.005 Total Trihalomethanesμg/l 23Sampled Sept 2025 ≤ 100 1.15
Pesticides Pesticides Parameter Unfiltered tap water Allowed range Filtered Chlordaneug/L 0Sampled Mar 2025 ≤ 2 0 Heptachlorug/L 0.001Sampled Mar 2025 ≤ 0.4 0.001 Total pesticidesug/L 0.037Sampled Mar 2025 ≤ 0.5 0.037
Herbicides Herbicides Parameter Unfiltered tap water Allowed range Filtered D 2 4ug/L 0.02Sampled Mar 2025 ≤ 70 0.02 Atrazineug/L 0.01Sampled Mar 2025 ≤ 3 0.01
Perfluorinated chemicals Perfluorinated chemicals Parameter Unfiltered tap water Allowed range Filtered PFOAug/L 0.002Sampled Jul 2025 No limit 0.002 PFOSug/L 0.004Sampled Jul 2025 No limit 0.004 PFNAug/L 0.002Sampled Jul 2025 No limit 0.002 Total PFASug/L 0Sampled Jul 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 12.9 No limit 12.9
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.
