Results are now available for the first three months of nationwide wastewater testing, which covers around 80% of New Zealand’s population.
The drugs that have been tested for are methamphetamine, cocaine, heroin, MDMA and fentanyl.
The preliminary results, from November 2018 to January 2019, show methamphetamine is the most commonly detected illicit drug nationwide, with approximately 16kgs estimated to be consumed on average each week.
From Serious and Organised Crime Assistant Commissioner Investigations Richard Chambers joins Ryan Bridge in conversation to discuss the results and implications.
You can watch the full interview above.