Wastewater is transported along the wastewater network to a wastewater treatment plant where it’s treated, before being discharged to sea.
There are four wastewater treatment plants in the region:
Moa Point (Wellington)
Seaview (Upper Hutt and Lower Hutt)
Porirua (Northern Wellington and Porirua)
Western (Karori)
The Treatment Process
All treatment plants are slightly different, but the process is generally similar. Read more