← Back to summary See all parameters CHARCHIGNE · Madré
VEOLIA EAU-COMPAGNIE GENERALE DES EAUX
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 0.54 No limit 0.11
General General Parameter Unfiltered tap water Allowed range Filtered TemperatureC 23 No limit 23 Hardnessmg CaCO3/l 100Sampled Jun 2026 80 – 459 100 Hardness fF 10Sampled Jun 2026 No limit 10 pH 8 6.5 – 9.5 8 TurbidityNTU 0.3Sampled Jun 2026 ≤ 4 0.03 ColorColor Units 5Sampled Jun 2026 ≤ 15 5 ConductivityμS / cm 382Sampled Jun 2026 ≤ 2,500 382 TDSmg/l 244.5Sampled Jun 2026 estimated 0 – 1,199 244.5 Alkalinitymg CaCO3/l 79Sampled Jun 2026 No limit 79
Pathogens Pathogens Parameter Unfiltered tap water Allowed range Filtered ClostridiumUFC/100ml 0Sampled Jun 2026 ≤ 0 0 eColiUFC/100ml 0Sampled Jun 2026 ≤ 0 0 BacteriasNMP/100ml 0Sampled Jun 2026 ≤ 0 0 EnterococcusUFC/100ml 0Sampled Jun 2026 ≤ 0 0
Chemical parameters Chemical parameters Parameter Unfiltered tap water Allowed range Filtered Mercuryμg Hg/l Not reported ≤ 1 — Nitritesmg NO2/l 0.01Sampled Jun 2026 ≤ 0.5 0.004 Nitratesmg NO3/l 19Sampled Jun 2026 ≤ 50 5.7
Minerals Minerals Parameter Unfiltered tap water Allowed range Filtered Chloridemg/l 44.1Sampled Jun 2026 ≤ 250 44.1
Metals Metals Parameter Unfiltered tap water Allowed range Filtered Antimonyμg/l 0.2Sampled Oct 2025 ≤ 5 0.2 Arsenicμg/l Not reported ≤ 10 — Cadmiumμg/l 0.01Sampled Oct 2025 ≤ 5 0.01 Chromiumμg/l 0.5Sampled Oct 2025 ≤ 50 0.5 Copperμg/l 0.3Sampled Oct 2025 ≤ 2,000 0.015 Ironμg/l 21Sampled Jun 2026 ≤ 200 21 Manganeseμg/l 3Sampled Jun 2026 ≤ 50 3 Leadμg/l 0.2Sampled Oct 2025 ≤ 10 0.01 Nickelμg/l 1.8Sampled Oct 2025 ≤ 20 1.8
Chlorine by-products Chlorine by-products Parameter Unfiltered tap water Allowed range Filtered Total Trihalomethanesμg/l 32 ≤ 100 1.6
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 0.01Sampled Jun 2026 No limit 0.003 Sulfatemg/l 23.3Sampled Jun 2026 No limit 23.3
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.
