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VEOLIA EAU CGE CONCHES
Water safety Water safety Parameter Unfiltered tap water Allowed range Filtered Free Chlorinemg CL2/l 0.21 0.2 – 1 0.004 ▲ Total Chlorinemg CL2/l 0.22 No limit 0.044
General General Parameter Unfiltered tap water Allowed range Filtered TemperatureC 26 No limit 26 Hardnessmg CaCO3/l 233 80 – 459 233 Hardness fF 23.3 No limit 23.3 pH 7.7 6.5 – 9.5 7.7 TurbidityNTU 0.3 ≤ 4 0.03 ConductivityμS / cm 509 ≤ 2,500 509 TDSmg/l 325.8estimated 0 – 1,199 325.8 Alkalinitymg CaCO3/l 223 No limit 223 Bicarbonatemg HCO3/l 273Sampled Apr 2026 No limit 273
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 Apr 2026 ≤ 50 0.5 Fluoridemg F/l 0.1Sampled Apr 2026 ≤ 1.5 0.03 Mercuryμg Hg/l 0.015Sampled Apr 2026 ≤ 1 0.002 Nitritesmg NO2/l 0.01 ≤ 0.5 0.004 Nitratesmg NO3/l 0.64 ≤ 50 0.19
Minerals Minerals Parameter Unfiltered tap water Allowed range Filtered Magnesiummg/l 3.41Sampled Apr 2026 No limit 3.41 Calciummg/l 93.4Sampled Apr 2026 No limit 93.4 Potassiummg/l 1.4Sampled Apr 2026 No limit 1.4 Chloridemg/l 25.1 ≤ 250 25.1
Metals Metals Parameter Unfiltered tap water Allowed range Filtered Aluminiumμg/l 5.4Sampled Apr 2026 ≤ 200 5.4 Antimonyμg/l 0.5Sampled Apr 2026 ≤ 5 0.5 Arsenicμg/l 0.48Sampled Apr 2026 ≤ 10 0.24 Bariumμg/l 6Sampled Apr 2026 ≤ 1,000 6 Cadmiumμg/l 0.025Sampled Apr 2026 ≤ 5 0.025 Chromiumμg/l 0.5Sampled Apr 2026 ≤ 50 0.5 Ironμg/l 20 ≤ 200 20 Manganeseμg/l 0.5Sampled Apr 2026 ≤ 50 0.5 Leadμg/l Not reported ≤ 10 — Seleniumμg/l 0.5Sampled Apr 2026 ≤ 10 0.5 Sodiummg/l 9.6Sampled Apr 2026 ≤ 200 9.6
Chlorine by-products Chlorine by-products Parameter Unfiltered tap water Allowed range Filtered Trichloroethyleneμg/l 0.05Sampled Apr 2026 No limit 0.003 Total Trihalomethanesμg/l 19Sampled Apr 2026 ≤ 100 0.95
Haloacetic acids Haloacetic acids Parameter Unfiltered tap water Allowed range Filtered Total haloacetic acidsμg/l 2.67Sampled Apr 2026 ≤ 60 0.13
Pesticides Pesticides Parameter Unfiltered tap water Allowed range Filtered Heptachlorug/L 0.005Sampled Apr 2026 ≤ 0.4 0.005 Total pesticidesug/L 0Sampled Apr 2026 ≤ 0.5 0
Herbicides Herbicides Parameter Unfiltered tap water Allowed range Filtered D 2 4ug/L 0.02Sampled Apr 2026 ≤ 70 0.02 Atrazineug/L 0.01Sampled Apr 2026 ≤ 3 0.01
Perfluorinated chemicals Perfluorinated chemicals Parameter Unfiltered tap water Allowed range Filtered PFOAug/L 0.001Sampled Apr 2026 No limit 0.001 PFOSug/L 0.003Sampled Apr 2026 No limit 0.003 PFNAug/L 0.001Sampled Apr 2026 No limit 0.001 Total PFASug/L 0.003Sampled Apr 2026 ≤ 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 3.79 No limit 3.79 Uraniumug/L 0.24Sampled Apr 2026 No limit 0.24
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.
