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EU drinking water standards Parameter Symbol/ formula Parametric value Aluminium Al 0.2 mg/l Ammonium NH 4 0.50 mg/l Chloride Cl 250 mg/l Clostridium perfringens (including spores) 0/100 ml Colour
In addition, drinking water quality has to be reported to the European Commission every three years. The scope of reporting is set out in the Directive. The Commission assesses the results of water quality monitoring against the standards in the
