← Back to summary See all parameters SYNDICAT DU DADOU · Fiac
VEOLIA EAU C.G.E. (SM DU DADOU)
Water safety Water safety Parameter Unfiltered tap water Allowed range Filtered Free Chlorinemg CL2/l 0.54 0.2 – 1 0.011 ▲ Total Chlorinemg CL2/l 0.58 No limit 0.12
General General Parameter Unfiltered tap water Allowed range Filtered TemperatureC 20.6 No limit 20.6 Hardnessmg CaCO3/l 97.8Sampled Dec 2025 80 – 459 97.8 Hardness fF 9.78Sampled Dec 2025 No limit 9.78 pH 8.1 6.5 – 9.5 8.1 TurbidityNTU 0.16Sampled Dec 2025 ≤ 4 0.016 ColorColor Units 5Sampled Dec 2025 ≤ 15 5 ConductivityμS / cm 261Sampled Dec 2025 ≤ 2,500 261 TDSmg/l 167Sampled Dec 2025 estimated 0 – 1,199 167 Alkalinitymg CaCO3/l 86Sampled Dec 2025 No limit 86 Bicarbonatemg HCO3/l 100Sampled Nov 2025 No limit 100
Pathogens Pathogens Parameter Unfiltered tap water Allowed range Filtered ClostridiumUFC/100ml 0Sampled Dec 2025 ≤ 0 0 eColiUFC/100ml 0Sampled Dec 2025 ≤ 0 0 BacteriasNMP/100ml 0Sampled Dec 2025 ≤ 0 0 EnterococcusUFC/100ml 0Sampled Dec 2025 ≤ 0 0
Chemical parameters Chemical parameters Parameter Unfiltered tap water Allowed range Filtered Cyanide totalμg CN/l 10Sampled Nov 2025 ≤ 50 0.5 Fluoridemg F/l 0.27Sampled Dec 2025 ≤ 1.5 0.081 Mercuryμg Hg/l 0.01Sampled Nov 2025 ≤ 1 0.001 Nitritesmg NO2/l 0.01Sampled Dec 2025 ≤ 0.5 0.004 Nitratesmg NO3/l 16Sampled Dec 2025 ≤ 50 4.8
Minerals Minerals Parameter Unfiltered tap water Allowed range Filtered Magnesiummg/l 3.6Sampled Dec 2025 No limit 3.6 Calciummg/l 33.2Sampled Dec 2025 No limit 33.2 Potassiummg/l 1.9Sampled Nov 2025 No limit 1.9 Chloridemg/l 12Sampled Dec 2025 ≤ 250 12
Metals Metals Parameter Unfiltered tap water Allowed range Filtered Aluminiumμg/l 21Sampled Nov 2025 ≤ 200 21 Arsenicμg/l 2Sampled Nov 2025 ≤ 10 1 Bariumμg/l 21Sampled Nov 2025 ≤ 1,000 21 Ironμg/l 10Sampled Nov 2025 ≤ 200 10 Manganeseμg/l 10Sampled Dec 2025 ≤ 50 10 Leadμg/l Not reported ≤ 10 — Seleniumμg/l 2Sampled Nov 2025 ≤ 10 2 Sodiummg/l 10.2Sampled Nov 2025 ≤ 200 10.2
Chlorine by-products Chlorine by-products Parameter Unfiltered tap water Allowed range Filtered Trichloroethyleneμg/l 0.1Sampled Nov 2025 No limit 0.005 Total Trihalomethanesμg/l 13.8Sampled Nov 2025 ≤ 100 0.69
Pesticides Pesticides Parameter Unfiltered tap water Allowed range Filtered Heptachlorug/L 0.005Sampled Nov 2025 ≤ 0.4 0.005 Total pesticidesug/L 0.005Sampled Nov 2025 ≤ 0.5 0.005
Herbicides Herbicides Parameter Unfiltered tap water Allowed range Filtered D 2 4ug/L 0.02Sampled Nov 2025 ≤ 70 0.02 Atrazineug/L 0.005Sampled Nov 2025 ≤ 3 0.005
Perfluorinated chemicals Perfluorinated chemicals Parameter Unfiltered tap water Allowed range Filtered PFOAug/L 0.001Sampled Nov 2025 No limit 0.001 PFOSug/L 0.001Sampled Nov 2025 No limit 0.001 PFNAug/L 0.001Sampled Nov 2025 No limit 0.001 Total PFASug/L 0.029Sampled Nov 2025 ≤ 0.1 0.003 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 0.05Sampled Dec 2025 No limit 0.015 Sulfatemg/l 9.1Sampled Dec 2025 No limit 9.1
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.
