What is the state of drinking water testing around NZ?

Dunedin City Council continues to hunt for the source of the lead contamination spikes in drinking water test results from east Otago, and it has started a project to replace 5km of old pipes.

RNZ's Checkpoint programme contacted other districts around Aotearoa to find out if Otago's drinking water scare has pushed others to test more frequently. Go here to listen to the report.