Tarago Water Treatment Plant – Melbourne Water

Published February 10, 2026

Client

  • Melbourne Water

Locations

  • Drouin West,  (Victoria) Australia

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Project Summary

The Tarago Water Treatment Plant is one of the key treatment facilities in Melbourne’s water supply network, operating alongside the Winneke Water Treatment Plant. Located in Drouin West, Victoria, the plant services the Tarago Reservoir and plays a critical role in supporting Melbourne’s drinking water system.

Following its reconnection to the Melbourne supply network in 2009, the Tarago Water Treatment Plant has provided up to 15 billion litres of clean drinking water annually. The facility utilises a comprehensive and advanced treatment process, including permanganate pre-dosing, coagulation, Dissolved Air Flotation and Filtration (DAFF), UV disinfection, pH correction, and fluoridation.

The Challenge

To ensure Melbourne Water’s treatment plants remain aligned with modern standards and emerging technologies, the fluoridation system at the Tarago Water Treatment Plant was identified for upgrade. This work formed part of the Major Capital Projects program, delivered in collaboration with the SFP Joint Venture (SFPJV).

Synertec's Solution

SFPJV engaged Synertec to deliver the complete electrical design and automation scope for the fluoridation system upgrade at the Tarago Water Treatment Plant. Fluoridation is a complex integration process that demands the highest level of control accuracy. Leveraging extensive experience in water-industry automation, Synertec’s engineering team developed a comprehensive solution encompassing:

  • Full E&I scope, including electrical panel design and electrical integration
  • Control system upgrades
  • Software integration
  • On-site commissioning
  • Training and handover

This solution ensures seamless integration with existing plant infrastructure, improved operational reliability, and enhanced safety and compliance in accordance with Melbourne Water’s latest standards.

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