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Water Services Corporation
Water safety Water safety Parameter Unfiltered tap water Allowed range Filtered Free Chlorinemg CL2/l 0.7 0.2 – 1 0.014 ▲
General General Parameter Unfiltered tap water Allowed range Filtered Hardnessmg CaCO3/l 158 80 – 459 158 pH 8.06 6.5 – 9.5 8.06 TurbidityNTU 0.11 ≤ 4 0.011 ConductivityμS / cm 922 ≤ 2,500 922 TDSmg/l 570.8 0 – 1,199 570.8
Pathogens Pathogens Parameter Unfiltered tap water Allowed range Filtered 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 0.021 ≤ 0.1 0.008 Nitratesmg NO3/l Not reported ≤ 50 —
Minerals Minerals Parameter Unfiltered tap water Allowed range Filtered Potassiummg/l 6.3 No limit 6.3
Metals Metals Parameter Unfiltered tap water Allowed range Filtered Arsenicμg/l Not reported ≤ 10 — Ironμg/l 10 ≤ 200 10 Manganeseμg/l 7.14 ≤ 50 7.14 Leadμg/l 1.33 ≤ 10 0.067 Sodiummg/l 126.7 ≤ 200 126.7
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 0.14 No limit 0.042 Sulfatemg/l 21.8 No limit 21.8
Data from Water Services Corporation's latest published sample at each sampling point. Quality ranges are based on WHO guidelines and EU Directive 2020/2184, transposed in Malta by Legal Notice 297 of 2023.
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Data from Water Services Corporation's latest published sample at each sampling point. Quality ranges are based on WHO guidelines and EU Directive 2020/2184, transposed in Malta by Legal Notice 297 of 2023.
