Oyster farmers face impact from major Mahurangi River sewage spill

Friday 31 October 2025 · 4 outlets · 3 reports · updated Fri 31 Oct 2025, 1:05pm

In this story Watercare

A large wastewater overflow, estimated by Watercare at 1,200 cubic metres, has entered the Mahurangi River. Ten marine farms have been battling the water company over contamination, with one farmer reporting a 28-day closure. The affected growers are seeking compensation following the incident.

How they headlined it

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1. RNZFri 31 Oct 2025, 5:25am

   Mahurangi oyster farmers despair at Watercare's biggest sewage spill yet (opens in new tab)

   Also on NZ Herald (opens in new tab)

2. 1News via RNZFri 31 Oct 2025, 9:25am

   Watercare sewage spill devastates Auckland oyster farmers (opens in new tab)

3. StuffFri 31 Oct 2025, 1:05pm

   ‘Quite a stuff up’: Auckland oyster farmer faces yet another closure after sewage overflow (opens in new tab)