Mundaring Water Treatment Project

Western Australia

TRILITY, as part of the Helena Water consortium financed, designed, constructed, commissioned and through a Joint Venture (JV) now operate the 165 ML/d Mundaring Water Treatment Plant (WTP) and Mundaring Pump Station C in Western Australia.


Project name Mundaring Water Treatment Project
ClientWater Corporation
Type of contractPublic Private Partnership (PPP)
TechnologySolid/liquid separation through Dissolved Air Flotation Filtration (DAFF) and organics removal through Biologically Activated Carbon (BAC)
Design capacity165 ML/d expandable to 240 ML/d
FacilitiesWater Treatment Plant (WTP), pumping station and integration works
Project term37 years (represents the entire contract Design and Construct and Operations)
Capital costLess than $300M
Project typeWater Treatment
* approximate

ACCIONA Agua and TRILITY Joint Venture wins coveted award.


ACCIONA Agua and TRILITY (ATJV) has won the prestigious Civil Contractors Federation (CCF) Earth Award for its work on the Mundaring Water Treatment Project.

Download Media Release →


Download Design and Construct fact sheet →
Download Operations and Maintenance fact sheet →

Latest news

Beijing Enterprises Water Group Limited (hereinafter referred to as “BEWG”), are pleased to announce it has completed the acquisition of the TRILITY Group.

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