← Back to summary See all parameters VAREZE SUD · Saint-Barthélemy
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Water safety Water safety Parameter Unfiltered tap water Allowed range Filtered Free Chlorinemg CL2/l 0.05 ● (Near the limit) 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 11.2 No limit 11.2 Hardnessmg CaCO3/l 236.1 80 – 459 236.1 Hardness fF 23.6 No limit 23.6 pH 7.3 6.5 – 9.5 7.3 TurbidityNTU 0.11 ≤ 4 0.011 ColorColor Units 5 ≤ 15 5 ConductivityμS / cm 435 ≤ 2,500 435 TDSmg/l 278.4estimated 0 – 1,199 278.4 Alkalinitymg CaCO3/l 247.5 No limit 247.5
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 Mar 2025 ≤ 50 0.5 Fluoridemg F/l 0.09Sampled Mar 2025 ≤ 1.5 0.027 Mercuryμg Hg/l 0.01Sampled Mar 2025 ≤ 1 0.001 Nitritesmg NO2/l 0.01 ≤ 0.5 0.004 Nitratesmg NO3/l 4.3 ≤ 50 1.29
Minerals Minerals Parameter Unfiltered tap water Allowed range Filtered Magnesiummg/l 1.6Sampled Mar 2025 No limit 1.6 Calciummg/l 92.8Sampled Mar 2025 No limit 92.8 Potassiummg/l 0.4Sampled Mar 2025 No limit 0.4 Chloridemg/l 3.2 ≤ 250 3.2
Metals Metals Parameter Unfiltered tap water Allowed range Filtered Aluminiumμg/l 10Sampled Mar 2025 ≤ 200 10 Arsenicμg/l 2Sampled Mar 2025 ≤ 10 1 Bariumμg/l 38Sampled Mar 2025 ≤ 1,000 38 Ironμg/l 10Sampled Mar 2025 ≤ 200 10 Manganeseμg/l 10Sampled Mar 2025 ≤ 50 10 Leadμg/l Not reported ≤ 10 — Seleniumμg/l 2Sampled Mar 2025 ≤ 10 2 Sodiummg/l 2.6Sampled Mar 2025 ≤ 200 2.6
Chlorine by-products Chlorine by-products Parameter Unfiltered tap water Allowed range Filtered Trichloroethyleneμg/l 0.1Sampled Mar 2025 No limit 0.005 Total Trihalomethanesμg/l 0.5Sampled Mar 2025 ≤ 100 0.025
Pesticides Pesticides Parameter Unfiltered tap water Allowed range Filtered Heptachlorug/L 0.005Sampled Mar 2025 ≤ 0.4 0.005 Total pesticidesug/L 0.5 ● (Near the limit) Sampled Mar 2025 ≤ 0.5 0.5 ●
Herbicides Herbicides Parameter Unfiltered tap water Allowed range Filtered D 2 4ug/L 0.02Sampled Mar 2025 ≤ 70 0.02 Atrazineug/L 0.005Sampled Mar 2025 ≤ 3 0.005
Perfluorinated chemicals Perfluorinated chemicals Parameter Unfiltered tap water Allowed range Filtered PFOAug/L 0.001Sampled Mar 2025 No limit 0.001 PFOSug/L 0.001Sampled Mar 2025 No limit 0.001 PFNAug/L 0.001Sampled Mar 2025 No limit 0.001 Total PFASug/L 0.1 ● (Near the limit) Sampled Mar 2025 ≤ 0.1 0.01 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 0.05 No limit 0.015 Sulfatemg/l 4 No limit 4
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.
