Eighteen kilometres of pipeline has been installed in five sections between Prospect South and Macarthur, furthering Sydney Water’s investment in new infrastructure for Western and South Western Sydney.

The pipeline is part of Sydney Water’s Prospect South to Macarthur (ProMac) project which is focused on delivering the critical infrastructure needed to meet the increasing demand for drinking water services in the South West Growth Area (SWGA) and future growth in the Western Sydney Aerotropolis Growth Area (WSAGA).

Sydney Water’s Stephanie Clarke said this new water main provides vital drinking water services for the people of Sydney now and into the future.

“This new pipeline will ensure existing and future customers in Western and South Western Sydney continue to have reliable access to clean, reliable drinking water,” said Ms Clarke.

“This pipeline is part of the ProMac project and sets the foundation for a resilient water network, which is essential for growth and development in these expanding areas of Sydney.”

The supply area for this pipeline includes the Liverpool LGA, the South West Growth Area and the Western Sydney Aerotropolis, including Cecil Hills, Cecil Park and Kemps Creek.


The last connection was made at a ceremonial valve turn in the Australian Botanic Gardens at Mt Annan on Tuesday, 6th September.

The 18km pipeline installation has been made possible in collaboration with Delivery Partner ACCIONA and principal contractors Killard Infrastructure, Diona, Athassel Civil, Ferrycarrig Construction, Vaughan Civil and Comdain Infrastructure.

ACCIONA Executive Regional Manager for the Central Region, Gavin Raymond, said the company was proud to have played a part in the project.

“ACCIONA is proud to support Sydney Water in delivering new infrastructure that will secure drinking water supply for a growing population,” Mr Raymond said.

“It was great to celebrate this milestone with the Australian Botanic Gardens team, whose expertise guided planning for the installation of 2.4km of mains water through the Mount Annan Garden.

“Over the past two weeks, specialist landscape contractor Toolijooa has planted 68,000 plants inside the construction corridor, and, over time, the plants will establish and cover our works.

“At ACCIONA, we believe the future of sustainability is regeneration: Replenishing and restoring what we have lost and building economies and communities that thrive while allowing the planet to prosper.”

Feature Image: (From left) Vaughan Civil Managing Director, Joe Vaughan; ACCIONA Program Director ProMac, Rob Dierkx; Royal Botanic Gardens and Domain Trust Director Horticulture, John Siemon; Sydney Water Director Major Projects, Emma Pryor; Sydney Water Project Manager, Mura Muralitharan. Photo: Sydney Water.

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