← Back to summary See all parameters ST BONNET LE COURREAU LA FARGE · Sauvain
CA LOIRE FOREZ AGGLOMÉRATION
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 17.4 No limit 17.4 Hardnessmg CaCO3/l 37.6 ● (Near the limit) 80 – 459 37.6 ● Hardness fF 3.76 No limit 3.76 pH 7.1 6.5 – 9.5 7.1 TurbidityNTU 0.1 ≤ 4 0.01 ColorColor Units 5 ≤ 15 5 ConductivityμS / cm 153 ≤ 2,500 153 TDSmg/l 97.9estimated 0 – 1,199 97.9 Alkalinitymg CaCO3/l 21 No limit 21
Pathogens Pathogens Parameter Unfiltered tap water Allowed range Filtered ClostridiumUFC/100ml 0 ≤ 0 0 eColiUFC/100ml 0 ≤ 0 0 BacteriasNMP/100ml 0Sampled Apr 2026 ≤ 0 0 EnterococcusUFC/100ml 0 ≤ 0 0
Chemical parameters Chemical parameters Parameter Unfiltered tap water Allowed range Filtered Cyanide totalμg CN/l 10Sampled Aug 2025 ≤ 50 0.5 Fluoridemg F/l 0.05Sampled Aug 2025 ≤ 1.5 0.015 Mercuryμg Hg/l 0.01Sampled Aug 2025 ≤ 1 0.001 Nitritesmg NO2/l 0.01 ≤ 0.5 0.004 Nitratesmg NO3/l 14.5 ≤ 50 4.35
Minerals Minerals Parameter Unfiltered tap water Allowed range Filtered Magnesiummg/l 2.4 No limit 2.4 Calciummg/l 11.1 No limit 11.1 Potassiummg/l 1.7Sampled Aug 2025 No limit 1.7 Chloridemg/l 22.9 ≤ 250 22.9
Metals Metals Parameter Unfiltered tap water Allowed range Filtered Aluminiumμg/l 10Sampled Aug 2025 ≤ 200 10 Antimonyμg/l 1Sampled Feb 2025 ≤ 5 1 Arsenicμg/l 2Sampled Aug 2025 ≤ 10 1 Bariumμg/l 21Sampled Aug 2025 ≤ 1,000 21 Cadmiumμg/l 1Sampled Feb 2025 ≤ 5 1 Chromiumμg/l 5Sampled Feb 2025 ≤ 50 5 Ironμg/l 38Sampled Aug 2025 ≤ 200 38 Manganeseμg/l 10Sampled Aug 2025 ≤ 50 10 Leadμg/l Not reported ≤ 10 — Seleniumμg/l 2Sampled Aug 2025 ≤ 10 2 Sodiummg/l 9.8Sampled Aug 2025 ≤ 200 9.8
Chlorine by-products Chlorine by-products Parameter Unfiltered tap water Allowed range Filtered Trichloroethyleneμg/l 0.1Sampled Aug 2025 No limit 0.005 Total Trihalomethanesμg/l 1.03Sampled Aug 2025 ≤ 100 0.052
Pesticides Pesticides Parameter Unfiltered tap water Allowed range Filtered Heptachlorug/L 0.005Sampled Aug 2025 ≤ 0.4 0.005 Total pesticidesug/L 0.5 ● (Near the limit) Sampled Aug 2025 ≤ 0.5 0.5 ●
Herbicides Herbicides Parameter Unfiltered tap water Allowed range Filtered D 2 4ug/L 0.02Sampled Aug 2025 ≤ 70 0.02 Atrazineug/L 0.005Sampled Aug 2025 ≤ 3 0.005
Perfluorinated chemicals Perfluorinated chemicals Parameter Unfiltered tap water Allowed range Filtered PFOAug/L 0.001Sampled Aug 2025 No limit 0.001 PFOSug/L 0.001Sampled Aug 2025 No limit 0.001 PFNAug/L 0.001Sampled Aug 2025 No limit 0.001 Total PFASug/L 0.029Sampled Aug 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 0.01 No limit 0.003 Sulfatemg/l 8 No limit 8
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.
