← Back to summary See all parameters CACP EST-SUD · Saint-Ouen-l'Aumône
FRANCILIANE DE VEOLIA
Water safety Water safety Parameter Unfiltered tap water Allowed range Filtered Free Chlorinemg CL2/l 0.19 ● (Near the limit) 0.2 – 1 0.004 ▲ Total Chlorinemg CL2/l 0.23 No limit 0.046
General General Parameter Unfiltered tap water Allowed range Filtered TemperatureC 15.6 No limit 15.6 Hardnessmg CaCO3/l 254 80 – 459 254 Hardness fF 25.4 No limit 25.4 pH 7.7 6.5 – 9.5 7.7 TurbidityNTU 0.14 ≤ 4 0.014 ConductivityμS / cm 584 ≤ 2,500 584 TDSmg/l 373.8estimated 0 – 1,199 373.8 Alkalinitymg CaCO3/l 195 No limit 195 Bicarbonatemg HCO3/l 214Sampled Oct 2025 No limit 214
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 Jan 2026 ≤ 50 0.5 Fluoridemg F/l 0.08Sampled Jan 2026 ≤ 1.5 0.024 Mercuryμg Hg/l 0.5Sampled Jan 2026 ≤ 1 0.05 Nitritesmg NO2/l 0.01 ≤ 0.5 0.004 Nitratesmg NO3/l 19.9 ≤ 50 5.97
Minerals Minerals Parameter Unfiltered tap water Allowed range Filtered Magnesiummg/l 7.6 No limit 7.6 Calciummg/l 54.8Sampled Jan 2026 No limit 54.8 Potassiummg/l 2.7Sampled Jan 2026 No limit 2.7 Chloridemg/l 29.1 ≤ 250 29.1
Metals Metals Parameter Unfiltered tap water Allowed range Filtered Aluminiumμg/l 16 ≤ 200 16 Antimonyμg/l 1Sampled Jan 2026 ≤ 5 1 Arsenicμg/l 2Sampled Jan 2026 ≤ 10 1 Bariumμg/l 11Sampled Jan 2026 ≤ 1,000 11 Cadmiumμg/l 1Sampled Jan 2026 ≤ 5 1 Chromiumμg/l 5Sampled Jan 2026 ≤ 50 5 Ironμg/l 10 ≤ 200 10 Manganeseμg/l 10 ≤ 50 10 Leadμg/l Not reported ≤ 10 — Seleniumμg/l 2Sampled Jan 2026 ≤ 10 2 Sodiummg/l 15.8Sampled Jan 2026 ≤ 200 15.8
Chlorine by-products Chlorine by-products Parameter Unfiltered tap water Allowed range Filtered Trichloroethyleneμg/l 0.1Sampled Jan 2026 No limit 0.005 Total Trihalomethanesμg/l 24.3 ≤ 100 1.22
Haloacetic acids Haloacetic acids Parameter Unfiltered tap water Allowed range Filtered Total haloacetic acidsμg/l 2.4Sampled Feb 2026 ≤ 60 0.12
Pesticides Pesticides Parameter Unfiltered tap water Allowed range Filtered Total pesticidesug/L 0.044Sampled Jan 2026 ≤ 0.5 0.044
Herbicides Herbicides Parameter Unfiltered tap water Allowed range Filtered D 2 4ug/L 0.02Sampled Jan 2026 ≤ 70 0.02 Atrazineug/L 0.005Sampled Jan 2026 ≤ 3 0.005
Perfluorinated chemicals Perfluorinated chemicals Parameter Unfiltered tap water Allowed range Filtered PFOAug/L 0.001Sampled Jan 2026 No limit 0.001 PFOSug/L 0.001Sampled Jan 2026 No limit 0.001 PFNAug/L 0.001Sampled Jan 2026 No limit 0.001 Total PFASug/L 0.029Sampled Jan 2026 ≤ 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 0.01 No limit 0.003 Perchlorateug/L 0.1Sampled Apr 2026 No limit 0.1 Sulfatemg/l 50 No limit 50 Uraniumug/L 10Sampled Jan 2026 No limit 10
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.
