← Back to summary See all parameters SAINT ROMAIN LES ATHEUX · Le Bessat
MAIRIE DE SAINT ROMAIN LES ATHEUX
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 0.05 No limit 0.01
General General Parameter Unfiltered tap water Allowed range Filtered TemperatureC 18.8 No limit 18.8 Hardnessmg CaCO3/l 18.6 ● (Near the limit) 80 – 459 18.6 ● Hardness fF 1.86 No limit 1.86 pH 6.5 6.5 – 9.5 6.5 TurbidityNTU 0.49 ≤ 4 0.049 ColorColor Units 5 ≤ 15 5 ConductivityμS / cm 76 ≤ 2,500 76 TDSmg/l 48.6estimated 0 – 1,199 48.6 Alkalinitymg CaCO3/l 14.6 No limit 14.6
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 May 2026 ≤ 50 0.5 Fluoridemg F/l 0.05Sampled May 2026 ≤ 1.5 0.015 Mercuryμg Hg/l 0.5Sampled May 2026 ≤ 1 0.05 Nitritesmg NO2/l 0.01 ≤ 0.5 0.004 Nitratesmg NO3/l 4.9 ≤ 50 1.47
Minerals Minerals Parameter Unfiltered tap water Allowed range Filtered Magnesiummg/l 1 No limit 1 Calciummg/l 5.8 No limit 5.8 Potassiummg/l 1.1Sampled May 2026 No limit 1.1 Chloridemg/l 6.5 ≤ 250 6.5
Metals Metals Parameter Unfiltered tap water Allowed range Filtered Aluminiumμg/l 33Sampled May 2026 ≤ 200 33 Antimonyμg/l 1Sampled May 2026 ≤ 5 1 Arsenicμg/l 2Sampled May 2026 ≤ 10 1 Bariumμg/l 10Sampled May 2026 ≤ 1,000 10 Cadmiumμg/l 1Sampled May 2026 ≤ 5 1 Chromiumμg/l 5Sampled May 2026 ≤ 50 5 Copperμg/l 322Sampled May 2026 ≤ 2,000 16.1 Ironμg/l 42Sampled May 2026 ≤ 200 42 Manganeseμg/l 10Sampled May 2026 ≤ 50 10 Leadμg/l 2Sampled May 2026 ≤ 10 0.1 Nickelμg/l 5Sampled May 2026 ≤ 20 5 Seleniumμg/l 2Sampled May 2026 ≤ 10 2 Sodiummg/l 5.5Sampled May 2026 ≤ 200 5.5
Chlorine by-products Chlorine by-products Parameter Unfiltered tap water Allowed range Filtered Trichloroethyleneμg/l 0.1Sampled May 2026 No limit 0.005 Total Trihalomethanesμg/l 7.42Sampled May 2026 ≤ 100 0.37
Haloacetic acids Haloacetic acids Parameter Unfiltered tap water Allowed range Filtered Total haloacetic acidsμg/l 1.4Sampled May 2026 ≤ 60 0.07
Pesticides Pesticides Parameter Unfiltered tap water Allowed range Filtered Heptachlorug/L 0.005Sampled May 2026 ≤ 0.4 0.005 Total pesticidesug/L 0.016Sampled May 2026 ≤ 0.5 0.016
Herbicides Herbicides Parameter Unfiltered tap water Allowed range Filtered D 2 4ug/L 0.02Sampled May 2026 ≤ 70 0.02 Atrazineug/L 0.005Sampled May 2026 ≤ 3 0.005
Perfluorinated chemicals Perfluorinated chemicals Parameter Unfiltered tap water Allowed range Filtered PFOAug/L 0.001Sampled May 2026 No limit 0.001 PFOSug/L 0.001Sampled May 2026 No limit 0.001 PFNAug/L 0.001Sampled May 2026 No limit 0.001 Total PFASug/L 0.029Sampled May 2026 ≤ 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 5.3 No limit 5.3 Uraniumug/L 10Sampled May 2026 No limit 10
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.
