← Back to summary See all parameters CHAMBOIS NORD · Mont-Ormel
SMAEP TERRES D'ARGENTAN
Water safety Water safety Parameter Unfiltered tap water Allowed range Filtered Free Chlorinemg CL2/l 0.48 0.2 – 1 0.01 ▲ Total Chlorinemg CL2/l 0.54 No limit 0.11
General General Parameter Unfiltered tap water Allowed range Filtered TemperatureC 21 No limit 21 Hardnessmg CaCO3/l 305 80 – 459 305 Hardness fF 30.5 No limit 30.5 pH 7.4 6.5 – 9.5 7.4 TurbidityNTU 0.21 ≤ 4 0.021 ConductivityμS / cm 633 ≤ 2,500 633 TDSmg/l 405.1estimated 0 – 1,199 405.1 Alkalinitymg CaCO3/l 280 No limit 280
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 14 ≤ 50 4.2
Minerals Minerals Parameter Unfiltered tap water Allowed range Filtered Chloridemg/l 17 ≤ 250 17
Metals Metals Parameter Unfiltered tap water Allowed range Filtered Antimonyμg/l 0.5Sampled Aug 2025 ≤ 5 0.5 Arsenicμg/l Not reported ≤ 10 — Cadmiumμg/l 0.025Sampled Aug 2025 ≤ 5 0.025 Chromiumμg/l 1Sampled Aug 2025 ≤ 50 1 Ironμg/l 1Sampled Aug 2025 ≤ 200 1 Leadμg/l Not reported ≤ 10 —
Chlorine by-products Chlorine by-products Parameter Unfiltered tap water Allowed range Filtered Total Trihalomethanesμg/l 7.86Sampled Apr 2026 ≤ 100 0.39
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 0.05 No limit 0.015 Sulfatemg/l 15 No limit 15
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.
