← Back to summary See all parameters CC. LAM - PUISSALICON · Autignac
CTE COMMUNES LES AVANT-MONTS
Water safety Water safety Parameter Unfiltered tap water Allowed range Filtered Free Chlorinemg CL2/l 0.45 0.2 – 1 0.009 ▲ Total Chlorinemg CL2/l 0.47 No limit 0.094
General General Parameter Unfiltered tap water Allowed range Filtered TemperatureC 22.8 No limit 22.8 Hardnessmg CaCO3/l 419.7 80 – 459 419.7 Hardness fF 42 No limit 42 pH 7.52 6.5 – 9.5 7.52 TurbidityNTU 0.64 ≤ 4 0.064 ColorColor Units 5 ≤ 15 5 ConductivityμS / cm 999 ≤ 2,500 999 TDSmg/l 639.4estimated 0 – 1,199 639.4 Alkalinitymg CaCO3/l 341.5 No limit 341.5 Bicarbonatemg HCO3/l 359Sampled Sept 2025 No limit 359
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 Cyanide totalμg CN/l 10Sampled Sept 2025 ≤ 50 0.5 Fluoridemg F/l 0.16Sampled Sept 2025 ≤ 1.5 0.048 Mercuryμg Hg/l 0.01Sampled Sept 2025 ≤ 1 0.001 Nitritesmg NO2/l 0.01 ≤ 0.5 0.004 Nitratesmg NO3/l 14.2 ≤ 50 4.26
Minerals Minerals Parameter Unfiltered tap water Allowed range Filtered Magnesiummg/l 25.2 No limit 25.2 Calciummg/l 126.4 No limit 126.4 Potassiummg/l 6.6Sampled Sept 2025 No limit 6.6 Chloridemg/l 107 ≤ 250 107
Metals Metals Parameter Unfiltered tap water Allowed range Filtered Aluminiumμg/l 10Sampled Sept 2025 ≤ 200 10 Antimonyμg/l 1Sampled Aug 2025 ≤ 5 1 Arsenicμg/l 2Sampled Sept 2025 ≤ 10 1 Bariumμg/l 53Sampled Sept 2025 ≤ 1,000 53 Cadmiumμg/l 1Sampled Aug 2025 ≤ 5 1 Chromiumμg/l 5Sampled Aug 2025 ≤ 50 5 Ironμg/l 10Sampled Sept 2025 ≤ 200 10 Manganeseμg/l 10Sampled Sept 2025 ≤ 50 10 Leadμg/l Not reported ≤ 10 — Seleniumμg/l 2Sampled Sept 2025 ≤ 10 2 Sodiummg/l 53.1Sampled Sept 2025 ≤ 200 53.1
Chlorine by-products Chlorine by-products Parameter Unfiltered tap water Allowed range Filtered Trichloroethyleneμg/l 0.1Sampled Sept 2025 No limit 0.005 Total Trihalomethanesμg/l 41.9Sampled Sept 2025 ≤ 100 2.1
Pesticides Pesticides Parameter Unfiltered tap water Allowed range Filtered Heptachlorug/L 0.005Sampled Sept 2025 ≤ 0.4 0.005 Total pesticidesug/L 0.089Sampled May 2026 ≤ 0.5 0.089
Herbicides Herbicides Parameter Unfiltered tap water Allowed range Filtered D 2 4ug/L 0.02Sampled Sept 2025 ≤ 70 0.02 Atrazineug/L 0.005Sampled May 2026 ≤ 3 0.005
Perfluorinated chemicals Perfluorinated chemicals Parameter Unfiltered tap water Allowed range Filtered PFOAug/L 0.002Sampled Sept 2025 No limit 0.002 PFOSug/L 0.003Sampled Sept 2025 No limit 0.003 PFNAug/L 0.001Sampled Sept 2025 No limit 0.001 Total PFASug/L 0.02Sampled Sept 2025 ≤ 0.1 0.002 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 92 No limit 92
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.
