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Whatuwhiwhi Wastewater Treatment Plant

Whatuwhiwhi Wastewater Treatment Plant

Plant overview

The Whatuwhiwhi wastewater treatment plant is located approximately 1 kilometre northwest of Whatuwhiwhi on the Karikari peninsula. The plant serves the townships of Tokerau beach as well as Whatuwhiwhi.  Being a beach side community, the population of Whatuwhiwhi varies considerably. Populations are higher during the summer, peaking over the Christmas period. The plant currently serves a winter population of approximately 450 and a summer population of up to 1,500.

Treating the wastewater

The treatment plant includes a mechanically aerated oxidation pond, followed by two constructed wetlands. The wetland provide tertiary wastewater treatment and use aquatic plants to help treat the wastewater. Once treated the wastewater discharges into a boundary drain that leads to a natural marsh system within the catchment of Karikari Bay.


The discharges from the treatment plant are authorised by a resource consent. You can read a copy of the resource consent here.


Inland Road, Karikari Peninsula  0483  View Map

Last updated: 02 Apr 2024 4:34pm