Retired Court of Appeal Judge Lyn Stevens QC has been appointed to head the independent inquiry into the Havelock North water contamination crisis.
Attorney-General Chris Finlayson announced the appointment on Monday, also naming former director-general of health Karen Poutasi and engineering expert Anthony Wilson as panel members.
The contamination led to more than 4000 people being infected with a gastro bug, school closures and the need to boil drinking water.
The terms of reference for the inquiry are:
The inquiry panel will begin its work this week and report to Mr Finlayson by March 31 next year.