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MAIRIE DE SAINT-AMANS-VALTORET
Water safety Water safety Parameter Unfiltered tap water Allowed range Filtered Free Chlorinemg CL2/l 0.13 ● (Near the limit) 0.2 – 1 0.003 ▲ Total Chlorinemg CL2/l 0.16 No limit 0.032
General General Parameter Unfiltered tap water Allowed range Filtered TemperatureC 7.8 No limit 7.8 Hardnessmg CaCO3/l 15.3 ● (Near the limit) Sampled Jan 2026 80 – 459 15.3 ● Hardness fF 1.53Sampled Jan 2026 No limit 1.53 pH 6 ● (Near the limit) 6.5 – 9.5 6 ● TurbidityNTU 0.25Sampled Jan 2026 ≤ 4 0.025 ColorColor Units 5Sampled Jan 2026 ≤ 15 5 ConductivityμS / cm 54Sampled Jan 2026 ≤ 2,500 54 TDSmg/l 34.6Sampled Jan 2026 estimated 0 – 1,199 34.6 Alkalinitymg CaCO3/l 6Sampled Jan 2026 No limit 6
Pathogens Pathogens Parameter Unfiltered tap water Allowed range Filtered ClostridiumUFC/100ml 0Sampled Jan 2026 ≤ 0 0 eColiUFC/100ml 0Sampled Jan 2026 ≤ 0 0 BacteriasNMP/100ml 0Sampled Jan 2026 ≤ 0 0 EnterococcusUFC/100ml 0Sampled Jan 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 Jan 2026 ≤ 0.5 0.004 Nitratesmg NO3/l 13Sampled Jan 2026 ≤ 50 3.9
Minerals Minerals Parameter Unfiltered tap water Allowed range Filtered Magnesiummg/l 0.8Sampled Jan 2026 No limit 0.8 Calciummg/l 4.8Sampled Jan 2026 No limit 4.8 Chloridemg/l 3.8Sampled Jan 2026 ≤ 250 3.8
Metals Metals Parameter Unfiltered tap water Allowed range Filtered Arsenicμg/l Not reported ≤ 10 — Leadμg/l Not reported ≤ 10 —
Chlorine by-products Chlorine by-products Parameter Unfiltered tap water Allowed range Filtered Total Trihalomethanesμg/l 0.89Sampled Nov 2025 ≤ 100 0.045
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 0.05Sampled Jan 2026 No limit 0.015 Sulfatemg/l 2.4Sampled Jan 2026 No limit 2.4
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.
