04 September 2026
2-minute read

John Holland delivers state-of-the-art wastewater treatment plant for Sydney Water

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John Holland has completed the new Badu Yarragul Water Resource Recovery Facility (WRRF), delivering one of the Southern Hemisphere’s most advanced wastewater treatment facilities on time and on budget for Sydney Water.

Capable of treating up to 70 megalitres of wastewater each day, the new facility at Kemps Creek will produce high-quality recycled water for homes and businesses across Western Sydney as well as biosolids for agricultural use. 

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The facility uses advanced reverse osmosis technology to eliminate contaminants and produce recycled water suitable for a range of non-drinking uses while helping protect local waterways.

Along with the construction of the recycling centre, more than 40 kilometres of treated water and brine pipelines were delivered between Wallacia and Landsdowne to help establish the foundations for a future circular economy hub in the region. 

The project became the first to achieve an Infrastructure Sustainability Council (ISC) 2.1 rating, recognising a range of initiatives that support Sydney Water's 2030 net zero target.

These include a four-megawatt solar farm that will make the facility 50 per cent energy self-sufficient, along with sustainable construction practices that reduced earthworks, concrete volumes and reinforcement.

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The WRFF adds to John Holland's long history of delivering some of Sydney's most significant water infrastructure projects in partnership with Sydney Water.

That includes projects like the Sydney Desalination Plant and Priority Sewerage Program, as well as ongoing work through the North West Treatment Hub Growth Program and the Delivering 4 Customers (D4C) partnership.

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ACKNOWLEDGEMENT OF COUNTRY

John Holland pays respect to the Traditional Owners and Custodians of the land on which we work and live, and their connections to land, sea and community. We pay our respect to their Elders past and present and extend that respect to all First Nations peoples today.