"On top of this, the report highlights the fact that the Drinking Water Assessors were too hands off in applying the Drinking Water Standards.
"The report acknowledges that the DWAs were under resourced and underpowered to discharge their responsibilities and this will be taken up in Stage 2 of the inquiry."
The lack of communication the report found between the Hasting District and Hawke's Bay Regional Councils meant that earlier clues that the water could have been contaminated were not picked up until it was too late, Mr Pfahlert said.
"All councils and district health boards around the country need to heed the message that good working relationships and information sharing are critical in ensuring that safe drinking water is delivered to communities."