Whakaraupō/Lyttelton Harbour Wastewater
This scheme pumps wastewater created by the people living and working in the area, through the Lyttelton Tunnel to Bromley.
Wainui and Tikao Bay Treatment Plants
The Wainui and Tikao Bay Wastewater Treatment Plants are in two small bach communities in Akaroa Harbour.
Akaroa Wastewater Treatment Plant
Akaroa Wastewater Treatment Plant is located at Takapūneke to the south of Akaroa township. It treats wastewater from Akaroa.
Duvauchelle Wastewater Treatment Plant
Serves a community of about 250 permanent residents including the Ngaio Point subdivision.