← Back to summary See all parameters MAGNEUX HAUTE RIVE · Chalain-le-Comtal
CA LOIRE FOREZ AGGLOMÉRATION
Water safety Water safety Parameter Unfiltered tap water Allowed range Filtered Free Chlorinemg CL2/l 0.15 ● (Near the limit) 0.2 – 1 0.003 ▲ Total Chlorinemg CL2/l 0.19 No limit 0.038
General General Parameter Unfiltered tap water Allowed range Filtered TemperatureC 22.4 No limit 22.4 Hardnessmg CaCO3/l 2.8 ▲ (Outside the range) 80 – 459 2.8 ▲ Hardness fF 0.28 No limit 0.28 pH 7.8 6.5 – 9.5 7.8 TurbidityNTU 0.1 ≤ 4 0.01 ColorColor Units 5 ≤ 15 5 ConductivityμS / cm 470 ≤ 2,500 470 TDSmg/l 300.8estimated 0 – 1,199 300.8 Alkalinitymg CaCO3/l 259.5 No limit 259.5
Pathogens Pathogens Parameter Unfiltered tap water Allowed range Filtered ClostridiumUFC/100ml 0 ≤ 0 0 eColiUFC/100ml 0 ≤ 0 0 BacteriasNMP/100ml 3 ≤ 0 0.3 EnterococcusUFC/100ml 0 ≤ 0 0
Chemical parameters Chemical parameters Parameter Unfiltered tap water Allowed range Filtered Cyanide totalμg CN/l 10Sampled Feb 2026 ≤ 50 0.5 Fluoridemg F/l 0.28Sampled Feb 2026 ≤ 1.5 0.084 Mercuryμg Hg/l 0.5Sampled Feb 2026 ≤ 1 0.05 Nitritesmg NO2/l 0.06 ≤ 0.5 0.024 Nitratesmg NO3/l 0.5 ≤ 50 0.15
Minerals Minerals Parameter Unfiltered tap water Allowed range Filtered Magnesiummg/l 0.2 No limit 0.2 Calciummg/l 0.8 No limit 0.8 Potassiummg/l 0.9Sampled Feb 2026 No limit 0.9 Chloridemg/l 11.2 ≤ 250 11.2
Metals Metals Parameter Unfiltered tap water Allowed range Filtered Aluminiumμg/l 10Sampled Feb 2026 ≤ 200 10 Antimonyμg/l 1Sampled Feb 2026 ≤ 5 1 Arsenicμg/l 2Sampled Feb 2026 ≤ 10 1 Bariumμg/l 10Sampled Feb 2026 ≤ 1,000 10 Cadmiumμg/l 1Sampled Feb 2026 ≤ 5 1 Chromiumμg/l 5Sampled Feb 2026 ≤ 50 5 Copperμg/l 10Sampled Feb 2026 ≤ 2,000 0.5 Ironμg/l 10Sampled Feb 2026 ≤ 200 10 Manganeseμg/l 10Sampled Feb 2026 ≤ 50 10 Leadμg/l 2Sampled Feb 2026 ≤ 10 0.1 Nickelμg/l 5Sampled Feb 2026 ≤ 20 5 Seleniumμg/l 2Sampled Feb 2026 ≤ 10 2 Sodiummg/l 103Sampled Feb 2026 ≤ 200 103
Chlorine by-products Chlorine by-products Parameter Unfiltered tap water Allowed range Filtered Trichloroethyleneμg/l 0.1Sampled Feb 2026 No limit 0.005 Total Trihalomethanesμg/l 0.36Sampled Feb 2026 ≤ 100 0.018
Haloacetic acids Haloacetic acids Parameter Unfiltered tap water Allowed range Filtered Total haloacetic acidsμg/l 0.5Sampled Feb 2026 ≤ 60 0.025
Pesticides Pesticides Parameter Unfiltered tap water Allowed range Filtered Heptachlorug/L 0.005Sampled Feb 2026 ≤ 0.4 0.005 Total pesticidesug/L 0.5 ● (Near the limit) Sampled Feb 2026 ≤ 0.5 0.5 ●
Herbicides Herbicides Parameter Unfiltered tap water Allowed range Filtered D 2 4ug/L 0.02Sampled Feb 2026 ≤ 70 0.02 Atrazineug/L 0.005Sampled Feb 2026 ≤ 3 0.005
Perfluorinated chemicals Perfluorinated chemicals Parameter Unfiltered tap water Allowed range Filtered PFOAug/L 0.001Sampled Feb 2026 No limit 0.001 PFOSug/L 0.001Sampled Feb 2026 No limit 0.001 PFNAug/L 0.001Sampled Feb 2026 No limit 0.001 Total PFASug/L 0.029Sampled Feb 2026 ≤ 0.1 0.003 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 0.03 No limit 0.009 Sulfatemg/l 11.3 No limit 11.3 Uraniumug/L 10Sampled Feb 2026 No limit 10
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.
