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SIVOM DU PLO DU LAC
Water safety Water safety Parameter Unfiltered tap water Allowed range Filtered Free Chlorinemg CL2/l 0.22 0.2 – 1 0.004 ▲ Total Chlorinemg CL2/l 0.29 No limit 0.058
General General Parameter Unfiltered tap water Allowed range Filtered TemperatureC 21.2 No limit 21.2 Hardnessmg CaCO3/l 144.3 80 – 459 144.3 Hardness fF 14.4 No limit 14.4 pH 8.18 6.5 – 9.5 8.18 TurbidityNTU 0.13 ≤ 4 0.013 ColorColor Units 5 ≤ 15 5 ConductivityμS / cm 302 ≤ 2,500 302 TDSmg/l 193.3estimated 0 – 1,199 193.3 Alkalinitymg CaCO3/l 157 No limit 157 Bicarbonatemg HCO3/l 192 No limit 192
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 10 ≤ 50 0.5 Fluoridemg F/l 0.07 ≤ 1.5 0.021 Mercuryμg Hg/l 0.5 ≤ 1 0.05 Nitritesmg NO2/l 0.01 ≤ 0.5 0.004 Nitratesmg NO3/l 6.1 ≤ 50 1.83
Minerals Minerals Parameter Unfiltered tap water Allowed range Filtered Magnesiummg/l 11.8 No limit 11.8 Calciummg/l 38.3 No limit 38.3 Potassiummg/l 1 No limit 1 Chloridemg/l 5.2 ≤ 250 5.2
Metals Metals Parameter Unfiltered tap water Allowed range Filtered Aluminiumμg/l 10 ≤ 200 10 Antimonyμg/l 1 ≤ 5 1 Arsenicμg/l 2.3 ≤ 10 1.15 Bariumμg/l 25 ≤ 1,000 25 Cadmiumμg/l 1 ≤ 5 1 Chromiumμg/l 5 ≤ 50 5 Copperμg/l 12Sampled May 2025 ≤ 2,000 0.6 Ironμg/l 10 ≤ 200 10 Manganeseμg/l 10 ≤ 50 10 Leadμg/l 2Sampled May 2025 ≤ 10 0.1 Nickelμg/l 5Sampled May 2025 ≤ 20 5 Seleniumμg/l 2 ≤ 10 2 Sodiummg/l 3.8 ≤ 200 3.8
Chlorine by-products Chlorine by-products Parameter Unfiltered tap water Allowed range Filtered Trichloroethyleneμg/l 0.1 No limit 0.005 Total Trihalomethanesμg/l 5.95 ≤ 100 0.3
Haloacetic acids Haloacetic acids Parameter Unfiltered tap water Allowed range Filtered Total haloacetic acidsμg/l 1.4 ≤ 60 0.07
Pesticides Pesticides Parameter Unfiltered tap water Allowed range Filtered Heptachlorug/L 0.005 ≤ 0.4 0.005 Total pesticidesug/L 0.008 ≤ 0.5 0.008
Herbicides Herbicides Parameter Unfiltered tap water Allowed range Filtered D 2 4ug/L 0.02 ≤ 70 0.02 Atrazineug/L 0.005 ≤ 3 0.005
Perfluorinated chemicals Perfluorinated chemicals Parameter Unfiltered tap water Allowed range Filtered PFOAug/L 0.001 No limit 0.001 PFOSug/L 0.001 No limit 0.001 PFNAug/L 0.001 No limit 0.001 Total PFASug/L 0.001 ≤ 0.1 0 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 7.9 No limit 7.9 Uraniumug/L 10 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.
