← Back to summary See all parameters ST MARTIN LAGUEPIE · Tréban
AVEYRONNAISE DES EAUX
Water safety Water safety Parameter Unfiltered tap water Allowed range Filtered Free Chlorinemg CL2/l 0.06 ● (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 28.5 No limit 28.5 Hardnessmg CaCO3/l 104.7 80 – 459 104.7 Hardness fF 10.5 No limit 10.5 pH 8.1 6.5 – 9.5 8.1 TurbidityNTU 0.11 ≤ 4 0.011 ColorColor Units 5 ≤ 15 5 ConductivityμS / cm 276 ≤ 2,500 276 TDSmg/l 176.6estimated 0 – 1,199 176.6 Alkalinitymg CaCO3/l 109 No limit 109
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 15.6 ≤ 50 4.68
Minerals Minerals Parameter Unfiltered tap water Allowed range Filtered Magnesiummg/l 2.9 No limit 2.9 Calciummg/l 37.1 No limit 37.1 Chloridemg/l 11.2 ≤ 250 11.2
Metals Metals Parameter Unfiltered tap water Allowed range Filtered Aluminiumμg/l 63 ≤ 200 63 Antimonyμg/l 1Sampled Oct 2025 ≤ 5 1 Arsenicμg/l Not reported ≤ 10 — Cadmiumμg/l 1Sampled Oct 2025 ≤ 5 1 Chromiumμg/l 5Sampled Oct 2025 ≤ 50 5 Copperμg/l 10Sampled Oct 2025 ≤ 2,000 0.5 Ironμg/l 10Sampled Oct 2025 ≤ 200 10 Leadμg/l 2Sampled Oct 2025 ≤ 10 0.1 Nickelμg/l 5Sampled Oct 2025 ≤ 20 5
Chlorine by-products Chlorine by-products Parameter Unfiltered tap water Allowed range Filtered Total Trihalomethanesμg/l 0.5Sampled Oct 2025 ≤ 100 0.025
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 6 No limit 6
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.
