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MAIRIE DE SAINT-AMANS-VALTORET
Water safety Water safety Parameter Unfiltered tap water Allowed range Filtered Free Chlorinemg CL2/l 0.05 ● (Near the limit) 0.2 – 1 0.001 ▲ Total Chlorinemg CL2/l 0.09 No limit 0.018
General General Parameter Unfiltered tap water Allowed range Filtered TemperatureC 11.5 No limit 11.5 Hardnessmg CaCO3/l 4.3 ● (Near the limit) 80 – 459 4.3 ● Hardness fF 0.43 No limit 0.43 pH 5.1 ▲ (Outside the range) 6.5 – 9.5 5.1 ▲ TurbidityNTU 0.11 ≤ 4 0.011 ColorColor Units 5 ≤ 15 5 ConductivityμS / cm 50 ≤ 2,500 50 Alkalinitymg CaCO3/l 5 No limit 5
Pathogens Pathogens Parameter Unfiltered tap water Allowed range Filtered ClostridiumUFC/100ml 0 ≤ 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 0.01 ≤ 0.5 0.004 Nitratesmg NO3/l 2 ≤ 50 0.6
Minerals Minerals Parameter Unfiltered tap water Allowed range Filtered Magnesiummg/l 0.5 No limit 0.5 Calciummg/l 0.9 No limit 0.9 Chloridemg/l 3.5 ≤ 250 3.5
Metals Metals Parameter Unfiltered tap water Allowed range Filtered Antimonyμg/l 1Sampled Aug 2025 ≤ 5 1 Arsenicμg/l Not reported ≤ 10 — Cadmiumμg/l 1Sampled Aug 2025 ≤ 5 1 Chromiumμg/l 5Sampled Aug 2025 ≤ 50 5 Copperμg/l 21Sampled Aug 2025 ≤ 2,000 1.05 Ironμg/l 15Sampled Aug 2025 ≤ 200 15 Leadμg/l 2Sampled Aug 2025 ≤ 10 0.1 Nickelμg/l 5Sampled Aug 2025 ≤ 20 5
Chlorine by-products Chlorine by-products Parameter Unfiltered tap water Allowed range Filtered Total Trihalomethanesμg/l 1.44Sampled Aug 2025 ≤ 100 0.072
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 1.7 No limit 1.7
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.
