← Back to summary See all parameters ADDUC. ARCS STJEAN BAS-VILLAGE · Taradeau
REGIE COMMUNAUTAIRE EDCH DPVA
Water safety Water safety Parameter Unfiltered tap water Allowed range Filtered Free Chlorinemg CL2/l 0.45 0.2 – 1 0.009 ▲ Total Chlorinemg CL2/l 0.47 No limit 0.094
General General Parameter Unfiltered tap water Allowed range Filtered TemperatureC 19.2 No limit 19.2 Hardnessmg CaCO3/l 586.2 ▲ (Outside the range) 80 – 459 586.2 ▲ Hardness fF 58.6 No limit 58.6 pH 7.11 6.5 – 9.5 7.11 TurbidityNTU 0.18 ≤ 4 0.018 ConductivityμS / cm 1,624 ≤ 2,500 1,624 TDSmg/l 1,039estimated 0 – 1,199 1,039 Alkalinitymg CaCO3/l 315 No limit 315 Bicarbonatemg HCO3/l 362Sampled Oct 2025 No limit 362
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 Mar 2025 ≤ 50 0.5 Fluoridemg F/l 0.24Sampled Mar 2025 ≤ 1.5 0.072 Mercuryμg Hg/l 0.01Sampled Mar 2025 ≤ 1 0.001 Nitritesmg NO2/l 0.01 ≤ 0.5 0.004 Nitratesmg NO3/l 5 ≤ 50 1.5
Minerals Minerals Parameter Unfiltered tap water Allowed range Filtered Magnesiummg/l 23.3Sampled Mar 2025 No limit 23.3 Calciummg/l 210Sampled Mar 2025 No limit 210 Potassiummg/l 3Sampled Mar 2025 No limit 3 Chloridemg/l 197 ≤ 250 197
Metals Metals Parameter Unfiltered tap water Allowed range Filtered Aluminiumμg/l 10Sampled Mar 2025 ≤ 200 10 Antimonyμg/l 1Sampled Sept 2025 ≤ 5 1 Arsenicμg/l 2Sampled Mar 2025 ≤ 10 1 Bariumμg/l 26Sampled Mar 2025 ≤ 1,000 26 Cadmiumμg/l 1Sampled Sept 2025 ≤ 5 1 Chromiumμg/l 5Sampled Sept 2025 ≤ 50 5 Ironμg/l 68Sampled Sept 2025 ≤ 200 68 Manganeseμg/l 10Sampled Mar 2025 ≤ 50 10 Leadμg/l Not reported ≤ 10 — Seleniumμg/l 2Sampled Mar 2025 ≤ 10 2 Sodiummg/l 103Sampled Mar 2025 ≤ 200 103
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 2.17Sampled Mar 2025 ≤ 100 0.11
Pesticides Pesticides Parameter Unfiltered tap water Allowed range Filtered Total pesticidesug/L 0.5 ● (Near the limit) Sampled Mar 2025 ≤ 0.5 0.5 ●
Herbicides Herbicides Parameter Unfiltered tap water Allowed range Filtered D 2 4ug/L 0.02Sampled Mar 2025 ≤ 70 0.02 Atrazineug/L 0.005Sampled Mar 2025 ≤ 3 0.005
Perfluorinated chemicals Perfluorinated chemicals Parameter Unfiltered tap water Allowed range Filtered PFOAug/L 0.001Sampled Jan 2025 No limit 0.001 PFOSug/L 0.001Sampled Jan 2025 No limit 0.001 PFNAug/L 0.001Sampled Jan 2025 No limit 0.001 Total PFASug/L 0.007Sampled Jan 2025 ≤ 0.1 0.001 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 261 No limit 261
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.
