Two rivers contribute to Auckland’s water supply
The Waikato River supplies metropolitan Auckland
The Hoteo River supplies Wellsford
The Waikato River is the longest in New Zealand, running 425 kilometres from Mt Ruapehu to the Tasman Sea at Port Waikato.
Click here to find out the proportion of water supplied by the Waikato River, dams, and groundwater over the past seven days.
Treating Waikato River water Our resource consent application to take more water from the Waikato River