← Back to summary See all parameters LFA VAL DE CURRAIZE · Chalain-le-Comtal
CA LOIRE FOREZ AGGLOMÉRATION
Water safety Water safety Parameter Unfiltered tap water Allowed range Filtered Free Chlorinemg CL2/l 0.04 ● (Near the limit) 0.2 – 1 0.001 ▲ Total Chlorinemg CL2/l 0.1 No limit 0.02
General General Parameter Unfiltered tap water Allowed range Filtered TemperatureC 23.2 No limit 23.2 Hardnessmg CaCO3/l 70.1 ● (Near the limit) 80 – 459 70.1 ● Hardness fF 7.01 No limit 7.01 pH 7.4 6.5 – 9.5 7.4 TurbidityNTU 0.1 ≤ 4 0.01 ColorColor Units 5 ≤ 15 5 ConductivityμS / cm 240 ≤ 2,500 240 TDSmg/l 153.6estimated 0 – 1,199 153.6 Alkalinitymg CaCO3/l 70.2 No limit 70.2
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 Cyanide totalμg CN/l 10Sampled Mar 2025 ≤ 50 0.5 Fluoridemg F/l 0.07Sampled Mar 2025 ≤ 1.5 0.021 Mercuryμg Hg/l 0.01Sampled Mar 2025 ≤ 1 0.001 Nitritesmg NO2/l 0.01 ≤ 0.5 0.004 Nitratesmg NO3/l 2.5 ≤ 50 0.75
Minerals Minerals Parameter Unfiltered tap water Allowed range Filtered Magnesiummg/l 3.6 No limit 3.6 Calciummg/l 22.1 No limit 22.1 Potassiummg/l 2.1Sampled Mar 2026 No limit 2.1 Chloridemg/l 28.6 ≤ 250 28.6
Metals Metals Parameter Unfiltered tap water Allowed range Filtered Aluminiumμg/l 18Sampled Jan 2026 ≤ 200 18 Antimonyμg/l 1Sampled Apr 2025 ≤ 5 1 Arsenicμg/l 2Sampled Mar 2025 ≤ 10 1 Bariumμg/l 14Sampled Mar 2025 ≤ 1,000 14 Cadmiumμg/l 1Sampled Apr 2025 ≤ 5 1 Chromiumμg/l 5Sampled Apr 2025 ≤ 50 5 Ironμg/l 10 ≤ 200 10 Manganeseμg/l 10Sampled Mar 2025 ≤ 50 10 Leadμg/l Not reported ≤ 10 — Seleniumμg/l 2Sampled Mar 2025 ≤ 10 2 Sodiummg/l 9.7Sampled Mar 2026 ≤ 200 9.7
Chlorine by-products Chlorine by-products Parameter Unfiltered tap water Allowed range Filtered Trichloroethyleneμg/l 0.1Sampled Mar 2025 No limit 0.005 Total Trihalomethanesμg/l 22.7Sampled Mar 2026 ≤ 100 1.13
Haloacetic acids Haloacetic acids Parameter Unfiltered tap water Allowed range Filtered Total haloacetic acidsμg/l 4.8Sampled Mar 2026 ≤ 60 0.24
Pesticides Pesticides Parameter Unfiltered tap water Allowed range Filtered Heptachlorug/L 0.005Sampled Mar 2026 ≤ 0.4 0.005 Total pesticidesug/L 0.073Sampled Mar 2026 ≤ 0.5 0.073
Herbicides Herbicides Parameter Unfiltered tap water Allowed range Filtered D 2 4ug/L 0.02Sampled Mar 2026 ≤ 70 0.02 Atrazineug/L 0.005Sampled Mar 2026 ≤ 3 0.005
Perfluorinated chemicals Perfluorinated chemicals Parameter Unfiltered tap water Allowed range Filtered PFOAug/L 0.001Sampled Mar 2025 No limit 0.001 PFOSug/L 0.001Sampled Mar 2025 No limit 0.001 PFNAug/L 0.001Sampled Mar 2025 No limit 0.001 Total PFASug/L 0.1 ● (Near the limit) Sampled Mar 2025 ≤ 0.1 0.01 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 0.02 No limit 0.006 Sulfatemg/l 11.2 No limit 11.2
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.
