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REAAL
Water safety Water safety Parameter Unfiltered tap water Allowed range Filtered Free Chlorinemg CL2/l 0.36 0.2 – 1 0.007 ▲ Total Chlorinemg CL2/l 0.39 No limit 0.078
General General Parameter Unfiltered tap water Allowed range Filtered TemperatureC 18.8 No limit 18.8 Hardnessmg CaCO3/l 338 80 – 459 338 Hardness fF 33.8 No limit 33.8 pH 7.57 6.5 – 9.5 7.57 TurbidityNTU 0.31 ≤ 4 0.031 ColorColor Units 5 ≤ 15 5 ConductivityμS / cm 800 ≤ 2,500 800 TDSmg/l 512estimated 0 – 1,199 512 Alkalinitymg CaCO3/l 182.5 No limit 182.5 Bicarbonatemg HCO3/l 166Sampled Jun 2026 No limit 166
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 Jun 2026 ≤ 50 0.5 Fluoridemg F/l 0.08Sampled Jun 2026 ≤ 1.5 0.024 Mercuryμg Hg/l 0.5Sampled Jun 2026 ≤ 1 0.05 Nitritesmg NO2/l 0.01 ≤ 0.5 0.004 Nitratesmg NO3/l 3.1 ≤ 50 0.93
Minerals Minerals Parameter Unfiltered tap water Allowed range Filtered Magnesiummg/l 26.6 No limit 26.6 Calciummg/l 91.4 No limit 91.4 Potassiummg/l 2.1Sampled Jun 2026 No limit 2.1 Chloridemg/l 12.5 ≤ 250 12.5
Metals Metals Parameter Unfiltered tap water Allowed range Filtered Aluminiumμg/l 77Sampled Jun 2026 ≤ 200 77 Antimonyμg/l 3 ≤ 5 3 Arsenicμg/l 2 ≤ 10 1 Bariumμg/l 59Sampled Jun 2026 ≤ 1,000 59 Cadmiumμg/l 1Sampled Jun 2026 ≤ 5 1 Chromiumμg/l 5Sampled Jun 2026 ≤ 50 5 Copperμg/l 120Sampled Nov 2025 ≤ 2,000 6 Ironμg/l 10Sampled Jun 2026 ≤ 200 10 Manganeseμg/l 10Sampled Jun 2026 ≤ 50 10 Leadμg/l 2Sampled Nov 2025 ≤ 10 0.1 Nickelμg/l 5Sampled Nov 2025 ≤ 20 5 Seleniumμg/l 2Sampled Jun 2026 ≤ 10 2 Sodiummg/l 21.6Sampled Jun 2026 ≤ 200 21.6
Chlorine by-products Chlorine by-products Parameter Unfiltered tap water Allowed range Filtered Trichloroethyleneμg/l 0.1Sampled Jun 2026 No limit 0.005 Total Trihalomethanesμg/l 13.3Sampled Jun 2026 ≤ 100 0.66
Haloacetic acids Haloacetic acids Parameter Unfiltered tap water Allowed range Filtered Total haloacetic acidsμg/l 1.9Sampled Jun 2026 ≤ 60 0.095
Pesticides Pesticides Parameter Unfiltered tap water Allowed range Filtered Heptachlorug/L 0.005Sampled Jun 2026 ≤ 0.4 0.005 Total pesticidesug/L 0.5 ● (Near the limit) Sampled Jun 2026 ≤ 0.5 0.5 ●
Herbicides Herbicides Parameter Unfiltered tap water Allowed range Filtered D 2 4ug/L 0.02Sampled Jun 2026 ≤ 70 0.02 Atrazineug/L 0.005Sampled Jun 2026 ≤ 3 0.005
Perfluorinated chemicals Perfluorinated chemicals Parameter Unfiltered tap water Allowed range Filtered PFOAug/L 0.001Sampled Jun 2026 No limit 0.001 PFOSug/L 0.001Sampled Jun 2026 No limit 0.001 PFNAug/L 0.001Sampled Jun 2026 No limit 0.001 Total PFASug/L 0.029Sampled Jun 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 Sulfatemg/l 201 No limit 201 Uraniumug/L 10Sampled Jun 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.
Your Water Quality
Independent information about tap water quality in France.
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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.
