← Back to summary See all parameters RESEAU LE BOURG ST-NICOLAS · Châtel-Montagne
SYNDICAT MIXTE VALLEE DE LA BESBRE
Water safety Water safety Parameter Unfiltered tap water Allowed range Filtered Free Chlorinemg CL2/l 0.34 0.2 – 1 0.007 ▲ Total Chlorinemg CL2/l 0.36 No limit 0.072
General General Parameter Unfiltered tap water Allowed range Filtered TemperatureC 20.8 No limit 20.8 Hardnessmg CaCO3/l 171.5 80 – 459 171.5 Hardness fF 17.2 No limit 17.2 pH 7.7 6.5 – 9.5 7.7 TurbidityNTU 0.17 ≤ 4 0.017 ColorColor Units 5 ≤ 15 5 ConductivityμS / cm 168 ≤ 2,500 168 TDSmg/l 107.5estimated 0 – 1,199 107.5 Alkalinitymg CaCO3/l 83.1 No limit 83.1
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 Mercuryμg Hg/l Not reported ≤ 1 — Nitritesmg NO2/l 0.01 ≤ 0.5 0.004 Nitratesmg NO3/l 4.6 ≤ 50 1.38
Minerals Minerals Parameter Unfiltered tap water Allowed range Filtered Magnesiummg/l 2.5 No limit 2.5 Calciummg/l 64.5 No limit 64.5 Chloridemg/l 2.3 ≤ 250 2.3
Metals Metals Parameter Unfiltered tap water Allowed range Filtered Antimonyμg/l 1Sampled Jul 2025 ≤ 5 1 Arsenicμg/l 2Sampled Feb 2026 ≤ 10 1 Cadmiumμg/l 1Sampled Jul 2025 ≤ 5 1 Chromiumμg/l 5Sampled Jul 2025 ≤ 50 5 Copperμg/l 37Sampled Jul 2025 ≤ 2,000 1.85 Ironμg/l 10Sampled Jul 2025 ≤ 200 10 Leadμg/l 2Sampled Jul 2025 ≤ 10 0.1 Nickelμg/l 5Sampled Jul 2025 ≤ 20 5
Chlorine by-products Chlorine by-products Parameter Unfiltered tap water Allowed range Filtered Total Trihalomethanesμg/l 9.67Sampled Jul 2025 ≤ 100 0.48
Perfluorinated chemicals Perfluorinated chemicals Parameter Unfiltered tap water Allowed range Filtered Total PFASug/L Not reported ≤ 0.1 — 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 2.3 No limit 2.3
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.
Your Water Quality
Independent information about tap water quality in France.
Brought to you by
tappwater.co
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.
