Southern half of massive Auckland wastewater project goes live

Auckland Mayor Wayne Brown gives the order to start the Central Interceptor pumps at Māngere. (Image: Watercare)

Fri, 14 Feb 2025

The southern section of the biggest wastewater tunnel in New Zealand has gone live, marking a major milestone for the $1.5 billion project.Auckland Mayor Wayne Brown and Local Government Minister Simon Watts attended an event on Friday to celebrate the opening of the first stage of the Central Interceptor, from Māngere to Mt Roskill.Brown and Francesco Saibene, the NZ director for Italian tunnelling company Ghella, jointly flushed a ceremonial toilet to mark the occasion.“It’s a significant milestone for Aucklanders and a huge engin...

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