← Back to summary See all parameters BOUAN · Pech
S.M.D.E.A
Water safety Water safety Parameter Unfiltered tap water Allowed range Filtered Free Chlorinemg CL2/l 0.39 0.2 – 1 0.008 ▲ Total Chlorinemg CL2/l 0.44 No limit 0.088
General General Parameter Unfiltered tap water Allowed range Filtered TemperatureC 18.9 No limit 18.9 Hardnessmg CaCO3/l 293 80 – 459 293 Hardness fF 29.3 No limit 29.3 pH 7.7 6.5 – 9.5 7.7 TurbidityNTU 0.29 ≤ 4 0.029 ColorColor Units 5 ≤ 15 5 ConductivityμS / cm 519 ≤ 2,500 519 TDSmg/l 332.2estimated 0 – 1,199 332.2 Alkalinitymg CaCO3/l 205 No limit 205
Pathogens Pathogens Parameter Unfiltered tap water Allowed range Filtered ClostridiumUFC/100ml 0Sampled Dec 2025 ≤ 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 Mercuryμg Hg/l Not reported ≤ 1 — Nitritesmg NO2/l 0.05 ≤ 0.5 0.02 Nitratesmg NO3/l 1.3 ≤ 50 0.39
Minerals Minerals Parameter Unfiltered tap water Allowed range Filtered Magnesiummg/l 21.1 No limit 21.1 Calciummg/l 82.6 No limit 82.6 Chloridemg/l 3.6 ≤ 250 3.6
Metals Metals Parameter Unfiltered tap water Allowed range Filtered Arsenicμg/l Not reported ≤ 10 — 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 0.05 No limit 0.015 Sulfatemg/l 74.7 No limit 74.7
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.
