Waitematā and Gulf Ward

Photo of two of our team on a construction site talking about an infrastructure project

Central Interceptor
The wastewater tunnel will run underground from Grey Lynn to our Māngere Wastewater Treatment Plant. Once completed, it will help reduce wet weather overflows into central Auckland beaches and waterways.

St Marys Bay separation project
A water quality improvement programme to reduce overflows and clean up local waterways.

Hūnua 4 watermain
This 31km pipeline through Manukau and Auckland will meet growing demand.

Grey Lynn Tunnel
The Grey Lynn Tunnel is designed to intercept and divert overflows from local networks in Grey Lynn and the Orakei main sewer to our wastewater plant in Māngere for treatment.
Asset Management Plan 2021-2041

Asset Management Plan 2021-2041

We have unveiled our biggest investment programme to date, outlining how we will spend $18.5 billion over the next 20 years to maintain and develop a resilient water and wastewater network for our customers.

Read our press release and find out what we'll be investing in over the next 20 years.
Click here to read our Asset Management Plan (2021-2041).