Maintaining the health of Sydney’s waterways including beaches, rivers and tributaries is becoming more challenging as the thriving city’s population continues to grow.



The commissioning of the Riverstone Waste Water Treatment Plant (WWTP) Upgrade will serve more than 90,000 new residents in the fast-developing North West of Sydney is a critical element of the waste water treatment network that will continue to preserve the health of Sydney’s waterways.


The upgrades at Riverstone WWTP are the first of three plant upgrades being delivered by the WSP and UGL Delivery Partner under the $450 million Lower South Creek Treatment Program. Under the Delivery Partner model, WSP act as program manager in the design, procurement, construction and commissioning.   The program which commenced in 2016, also includes the upgrade of facilities at St Marys and Quakers Hill WRP, which will see the adoption of innovative technologies that will make water treatment less energy intensive, more cost efficient and more sustainable for future generations.


Anthony Korbel, Program Director and Major Projects Executive at WSP said, “The Lower South Creek Treatment Program supports Sydney’s growth and thriving communities through the provision of critical water infrastructure. The Riverstone Waste Water Treatment Plant Upgrade is a significant milestone to help new residents in the region to have access to affordable housing, whilst enhancing waterway health along South Creek and its tributaries.”














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