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SIVOM DU PLO DU LAC
Water safety Water safety Parameter Unfiltered tap water Allowed range Filtered Free Chlorinemg CL2/l 0.32 0.2 – 1 0.006 ▲ Total Chlorinemg CL2/l 0.37 No limit 0.074
General General Parameter Unfiltered tap water Allowed range Filtered TemperatureC 28.6 No limit 28.6 Hardnessmg CaCO3/l 149.4 80 – 459 149.4 Hardness fF 14.9 No limit 14.9 pH 8.1 6.5 – 9.5 8.1 TurbidityNTU 0.17 ≤ 4 0.017 ColorColor Units 5 ≤ 15 5 ConductivityμS / cm 312 ≤ 2,500 312 TDSmg/l 199.7estimated 0 – 1,199 199.7 Alkalinitymg CaCO3/l 152 No limit 152 Bicarbonatemg HCO3/l 182Sampled May 2026 No limit 182
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 0.12 ≤ 1.5 0.036 Mercuryμg Hg/l 0.5Sampled May 2026 ≤ 1 0.05 Nitritesmg NO2/l 0.01 ≤ 0.5 0.004 Nitratesmg NO3/l 5.7 ≤ 50 1.71
Minerals Minerals Parameter Unfiltered tap water Allowed range Filtered Magnesiummg/l 12 No limit 12 Calciummg/l 40 No limit 40 Potassiummg/l 0.9Sampled May 2026 No limit 0.9 Chloridemg/l 6.2 ≤ 250 6.2
Metals Metals Parameter Unfiltered tap water Allowed range Filtered Aluminiumμg/l 10Sampled May 2026 ≤ 200 10 Antimonyμg/l 1Sampled May 2026 ≤ 5 1 Arsenicμg/l 2.7Sampled May 2026 ≤ 10 1.35 Bariumμg/l 31Sampled May 2026 ≤ 1,000 31 Cadmiumμg/l 1Sampled May 2026 ≤ 5 1 Chromiumμg/l 5Sampled May 2026 ≤ 50 5 Ironμg/l 10Sampled May 2026 ≤ 200 10 Manganeseμg/l 10Sampled May 2026 ≤ 50 10 Leadμg/l Not reported ≤ 10 — Seleniumμg/l 2Sampled May 2026 ≤ 10 2 Sodiummg/l 3.5Sampled May 2026 ≤ 200 3.5
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 3.27Sampled May 2026 ≤ 100 0.16
Haloacetic acids Haloacetic acids Parameter Unfiltered tap water Allowed range Filtered Total haloacetic acidsμg/l 1.1Sampled May 2026 ≤ 60 0.055
Pesticides Pesticides Parameter Unfiltered tap water Allowed range Filtered Heptachlorug/L 0.005Sampled May 2026 ≤ 0.4 0.005 Total pesticidesug/L 0.5 ● (Near the limit) Sampled May 2026 ≤ 0.5 0.5 ●
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 9.4 No limit 9.4 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.
