We are upgrading wastewater infrastructure in Ilam with the installation of new, larger pipes that will help meet increasing demand from our growing city.

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This wastewater upgrade began in early September 2024, with work progressing along Clyde and Creyke roads before reaching the intersection at Ilam Road in mid-2025. 

Work is now focused on Maidstone Road, between Ilam Road and Waimairi Road.

The project was initially expected to wrap up by mid-2026 but is currently ahead of schedule and could finish by April 2026.

Traffic impacts

10 July 2025 to mid-2026:

There is a westbound one-way system on Maidstone Road, from Ilam Road to Waimairi Road, with no entry onto Maidstone Road from Waimairi Road.

View the start works notice.(external link)

Scope of works

The general work scope includes:

  • Pumping water from below the ground to allow for trenching and excavation works.
  • Trenching and excavation works.
  • Installation of new, larger pipes.
  • Road sealing.