Rotoma - Rotoiti Wastewater Treatment Plant

Rotorua Lakes Council
Mott MacDonald

Project Scope:

The purpose of this contract covers the construction of an MBR Wastewater Treatment Plant and Land Disposal System. This contract comprises design and build elements.


Major works included:

  • Sealed access road and earthworks
  • Treatment plant site earthworks
  • Flow balance tank and pump station
  • Fine screening
  • 4 Stage MBR plant
  • Permeate storage tank
  • Chemical storage and dosing systems
  • Waste activated sludge tank
  • Sludge dewatering system
  • Odour extraction and treatment system and land disposal system


This project was completed in September 2019.