Wastewater projects

Significant projects are undertaken by the Council to provide for growth, to upgrade wastewater treatment plants and to reduce wastewater overflows to waterways.

These major projects include upgrades and additions to the Council's wastewater reticulation and treatment plants as part of the Council's Long Term Plan (LTP). 

Akaroa wastewater scheme

The Council needs to upgrade Akaroa’s wastewater system to ensure the Akaroa community is provided with a high quality wastewater system.

Wainui wastewater scheme

The Council will proceed with the final stage of the Wainui wastewater upgrade scheme in 2026 - 2028.

Lyttelton Harbour wastewater scheme

Wastewater from Lyttelton, Governors Bay and Diamond Harbour will be piped to the Christchurch wastewater treatment plant.