Aucklander's recieving zero use water bills

Some Aucklanders have recieved watecare bills that claim they have not used a sinlge drop of water in the past month, or in some cases for months, no showers had, no toilets flushed, no house plant watered, no kettles filled; nothing. Online forums confused customers are asking about recieving zero use bills, others say they've had enormous catch up accounts months after gettting zero bills, all due to Watercare's smart metres. Checkpoint spoke to a few customers.