Mr Healey told an IBC conference in London that he has submitted a bid for more staff to Environment Ministers. The main reason for the bid is the time it takes the DWI to investigate "incidents" - possible breaches of quality regulations - reported by water companies.
Investigating incidents is "proving very demanding", Mr Healey said. In 1990, 79 incidents were reported to the DWI. Inspectors concluded that drinking water definitely was