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Qormi · Qormi

Water Services Corporation

Water safety

Water safety
ParameterUnfiltered tap waterAllowed rangeFiltered
Free Chlorinemg CL2/l0.80.2 – 10.016

General

General
ParameterUnfiltered tap waterAllowed rangeFiltered
Hardnessmg CaCO3/l16880 – 459168
pH7.676.5 – 9.57.67
TurbidityNTU0.33≤ 40.033
ConductivityμS / cm697≤ 2,500697
TDSmg/l428.90 – 1,199428.9

Pathogens

Pathogens
ParameterUnfiltered tap waterAllowed rangeFiltered
eColiUFC/100ml0≤ 00
BacteriasNMP/100ml0≤ 00
EnterococcusUFC/100ml0≤ 00

Chemical parameters

Chemical parameters
ParameterUnfiltered tap waterAllowed rangeFiltered
Mercuryμg Hg/lNot reported≤ 1—
Nitritesmg NO2/l0.021≤ 0.10.008
Nitratesmg NO3/lNot reported≤ 50—

Minerals

Minerals
ParameterUnfiltered tap waterAllowed rangeFiltered
Potassiummg/l5.96No limit5.96

Metals

Metals
ParameterUnfiltered tap waterAllowed rangeFiltered
Arsenicμg/lNot reported≤ 10—
Ironμg/l1.33≤ 2001.33
Manganeseμg/l7.14≤ 507.14
Leadμg/l10 (Near the limit)≤ 100.5
Sodiummg/l117≤ 200117

Perfluorinated chemicals

Perfluorinated chemicals
ParameterUnfiltered tap waterAllowed rangeFiltered
Total PFASug/LNot reported≤ 0.1—
PFAS 4ng/lNot reportedNo limit—
PFAS 21ng/lNot reportedNo limit—

Other

Other
ParameterUnfiltered tap waterAllowed rangeFiltered
Ammoniamg/l0.14No limit0.042
Sulfatemg/l27.8No limit27.8

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.