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SERPN (ROUMOIS / PLATEAU NEUBOURG)
Water safety Water safety Parameter Unfiltered tap water Allowed range Filtered Free Chlorinemg CL2/l 0.18 ● (Near the limit) 0.2 – 1 0.004 ▲ Total Chlorinemg CL2/l 0.2 No limit 0.04
General General Parameter Unfiltered tap water Allowed range Filtered TemperatureC 19.3 No limit 19.3 Hardnessmg CaCO3/l 293 80 – 459 293 Hardness fF 29.3 No limit 29.3 pH 7.5 6.5 – 9.5 7.5 TurbidityNTU 0.3 ≤ 4 0.03 ConductivityμS / cm 615 ≤ 2,500 615 TDSmg/l 393.6estimated 0 – 1,199 393.6 Alkalinitymg CaCO3/l 220 No limit 220 Bicarbonatemg HCO3/l 303Sampled Mar 2026 No limit 303
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 Mar 2026 ≤ 50 0.5 Fluoridemg F/l 0.1Sampled Mar 2026 ≤ 1.5 0.03 Mercuryμg Hg/l 0.015Sampled Mar 2026 ≤ 1 0.002 Nitritesmg NO2/l 0.01 ≤ 0.5 0.004 Nitratesmg NO3/l 50.6 ● (Near the limit) ≤ 50 15.2
Minerals Minerals Parameter Unfiltered tap water Allowed range Filtered Magnesiummg/l 8.06Sampled Mar 2026 No limit 8.06 Calciummg/l 109.6Sampled Mar 2026 No limit 109.6 Potassiummg/l 3Sampled Mar 2026 No limit 3 Chloridemg/l 35.1 ≤ 250 35.1
Metals Metals Parameter Unfiltered tap water Allowed range Filtered Aluminiumμg/l 5.4Sampled Mar 2026 ≤ 200 5.4 Antimonyμg/l 0.5Sampled Mar 2026 ≤ 5 0.5 Arsenicμg/l 0.3Sampled Mar 2026 ≤ 10 0.15 Bariumμg/l 21.6Sampled Mar 2026 ≤ 1,000 21.6 Cadmiumμg/l 0.025Sampled Mar 2026 ≤ 5 0.025 Chromiumμg/l 0.5Sampled Mar 2026 ≤ 50 0.5 Ironμg/l 1Sampled Mar 2026 ≤ 200 1 Manganeseμg/l 0.5Sampled Mar 2026 ≤ 50 0.5 Leadμg/l Not reported ≤ 10 — Seleniumμg/l 0.5Sampled Mar 2026 ≤ 10 0.5 Sodiummg/l 13.7Sampled Mar 2026 ≤ 200 13.7
Chlorine by-products Chlorine by-products Parameter Unfiltered tap water Allowed range Filtered Trichloroethyleneμg/l 0.05Sampled Mar 2026 No limit 0.003 Total Trihalomethanesμg/l 15Sampled Mar 2026 ≤ 100 0.75
Haloacetic acids Haloacetic acids Parameter Unfiltered tap water Allowed range Filtered Total haloacetic acidsμg/l 6.01Sampled Mar 2026 ≤ 60 0.3
Pesticides Pesticides Parameter Unfiltered tap water Allowed range Filtered Heptachlorug/L 0.005Sampled Mar 2026 ≤ 0.4 0.005 Total pesticidesug/L 0.16Sampled Mar 2026 ≤ 0.5 0.16
Herbicides Herbicides Parameter Unfiltered tap water Allowed range Filtered D 2 4ug/L 0.02Sampled Mar 2026 ≤ 70 0.02 Atrazineug/L 0.01Sampled Mar 2026 ≤ 3 0.01
Perfluorinated chemicals Perfluorinated chemicals Parameter Unfiltered tap water Allowed range Filtered PFOAug/L 0.001Sampled Mar 2026 No limit 0.001 PFOSug/L 0.001Sampled Mar 2026 No limit 0.001 PFNAug/L 0.001Sampled Mar 2026 No limit 0.001 Total PFASug/L 0.004Sampled Mar 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 11.2 No limit 11.2 Uraniumug/L 0.43Sampled Mar 2026 No limit 0.43
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
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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.
