← Back to summary See all parameters HARCOURT · Boisney
SERPN (ROUMOIS / PLATEAU NEUBOURG)
Water safety Water safety Parameter Unfiltered tap water Allowed range Filtered Free Chlorinemg CL2/l 0.31 0.2 – 1 0.006 ▲ Total Chlorinemg CL2/l 0.31 No limit 0.062
General General Parameter Unfiltered tap water Allowed range Filtered TemperatureC 18.5 No limit 18.5 Hardnessmg CaCO3/l 333 80 – 459 333 Hardness fF 33.3 No limit 33.3 pH 7.4 6.5 – 9.5 7.4 TurbidityNTU 0.3 ≤ 4 0.03 ConductivityμS / cm 696 ≤ 2,500 696 TDSmg/l 445.4estimated 0 – 1,199 445.4 Alkalinitymg CaCO3/l 271 No limit 271
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 Mercuryμg Hg/l Not reported ≤ 1 — Nitritesmg NO2/l 0.01 ≤ 0.5 0.004 Nitratesmg NO3/l 47.8 ● (Near the limit) ≤ 50 14.3
Minerals Minerals Parameter Unfiltered tap water Allowed range Filtered Chloridemg/l 33.8 ≤ 250 33.8
Metals Metals Parameter Unfiltered tap water Allowed range Filtered Antimonyμg/l 0.5Sampled Jun 2025 ≤ 5 0.5 Arsenicμg/l Not reported ≤ 10 — Cadmiumμg/l 0.1Sampled Jun 2025 ≤ 5 0.1 Chromiumμg/l 0.5Sampled Jun 2025 ≤ 50 0.5 Ironμg/l 7.1Sampled Jun 2025 ≤ 200 7.1 Leadμg/l Not reported ≤ 10 —
Perfluorinated chemicals Perfluorinated chemicals Parameter Unfiltered tap water Allowed range Filtered Total PFASug/L Not reported ≤ 0.1 — 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 13.6 No limit 13.6
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.
