One major and 15 out of 19 significant events that threatened drinking water safety last year related to NI Water treatment plants.
In its latest report on water quality, the Drinking Water Inspectorate also revealed we are not meeting the required health-based standards in 15 out of the 43 parameters measured.
They include lead, total trihalomethanes, odour, nickel, iron, taste, clostridium perfringens, aluminium, coliform bacteria, enterococci, manganese, turbidity, hydrogen ion (pH), E.coli and other pesticides.
