← Back to summary See all parameters LEIGNEUX CHOZIEUX · Sainte-Agathe-la-Bouteresse
CA LOIRE FOREZ AGGLOMÉRATION
Water safety Water safety Parameter Unfiltered tap water Allowed range Filtered Free Chlorinemg CL2/l 0.03 ▲ (Outside the range) 0.2 – 1 0.001 ▲ Total Chlorinemg CL2/l 0.03 No limit 0.006
General General Parameter Unfiltered tap water Allowed range Filtered TemperatureC 25.8 No limit 25.8 Hardnessmg CaCO3/l 28.2 ● (Near the limit) 80 – 459 28.2 ● Hardness fF 2.82 No limit 2.82 pH 6.5 6.5 – 9.5 6.5 TurbidityNTU 0.2 ≤ 4 0.02 ColorColor Units 5 ≤ 15 5 ConductivityμS / cm 111 ≤ 2,500 111 TDSmg/l 71estimated 0 – 1,199 71 Alkalinitymg CaCO3/l 27 No limit 27
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 Oct 2025 ≤ 50 0.5 Fluoridemg F/l 0.06Sampled Oct 2025 ≤ 1.5 0.018 Mercuryμg Hg/l 0.01Sampled Oct 2025 ≤ 1 0.001 Nitritesmg NO2/l 0.01 ≤ 0.5 0.004 Nitratesmg NO3/l 5.6 ≤ 50 1.68
Minerals Minerals Parameter Unfiltered tap water Allowed range Filtered Magnesiummg/l 1.7 No limit 1.7 Calciummg/l 8.5 No limit 8.5 Potassiummg/l 1Sampled Oct 2025 No limit 1 Chloridemg/l 10.6 ≤ 250 10.6
Metals Metals Parameter Unfiltered tap water Allowed range Filtered Aluminiumμg/l 10Sampled Oct 2025 ≤ 200 10 Antimonyμg/l 1Sampled Feb 2025 ≤ 5 1 Arsenicμg/l 2Sampled Oct 2025 ≤ 10 1 Bariumμg/l 10Sampled Oct 2025 ≤ 1,000 10 Cadmiumμg/l 1Sampled Feb 2025 ≤ 5 1 Chromiumμg/l 5Sampled Feb 2025 ≤ 50 5 Ironμg/l 12Sampled Oct 2025 ≤ 200 12 Manganeseμg/l 10Sampled Oct 2025 ≤ 50 10 Leadμg/l Not reported ≤ 10 — Seleniumμg/l 2Sampled Oct 2025 ≤ 10 2 Sodiummg/l 6.5Sampled Oct 2025 ≤ 200 6.5
Chlorine by-products Chlorine by-products Parameter Unfiltered tap water Allowed range Filtered Trichloroethyleneμg/l 0.1Sampled Oct 2025 No limit 0.005 Total Trihalomethanesμg/l 9.9Sampled Oct 2025 ≤ 100 0.5
Pesticides Pesticides Parameter Unfiltered tap water Allowed range Filtered Heptachlorug/L 0.005Sampled Oct 2025 ≤ 0.4 0.005 Total pesticidesug/L 0.5 ● (Near the limit) Sampled Oct 2025 ≤ 0.5 0.5 ●
Herbicides Herbicides Parameter Unfiltered tap water Allowed range Filtered D 2 4ug/L 0.02Sampled Oct 2025 ≤ 70 0.02 Atrazineug/L 0.005Sampled Oct 2025 ≤ 3 0.005
Perfluorinated chemicals Perfluorinated chemicals Parameter Unfiltered tap water Allowed range Filtered PFOAug/L 0.001Sampled Oct 2025 No limit 0.001 PFOSug/L 0.001Sampled Oct 2025 No limit 0.001 PFNAug/L 0.001Sampled Oct 2025 No limit 0.001 Total PFASug/L 0.029Sampled Oct 2025 ≤ 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 0.02 No limit 0.006 Sulfatemg/l 5 No limit 5
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.
