Sydney Water is set to deliver a $595 million upgrade to Rouse Hill and Riverstone Water Resource Recovery Facilities as part of its North West Treatment Hub Growth Program. 

The ten-year program, to be delivered by Sydney Water in partnership with John Holland, Stantec and KBR, will increase wastewater treatment capacity across three of Sydney Water’s Water Resource Recovery Facilities as Sydney’s northwest continues to grow, creating opportunity for an additional 200,000 new house connections. 

Sydney Water Project Director, Bernard Clancy, said the first stage of the Growth Program will cater for an additional 110,0000 households in the Rouse Hill and Riverstone WRRF catchment areas. 

“Increasing the capacity at Rouse Hill Water Resource Recovery Facility is critical to allow for growth and handle the increased wastewater flows generated with the expanding population,” Mr Clancy said. 

“Treatment upgrades will also be undertaken to improve the reliability of recycled water supply for the Rouse Hill Recycled Water Scheme and to maintain the health of local waterways and the Hawkesbury Nepean River.

“Sydney Water is focused on getting the best environmental outcomes. This project will make sure the water we put back into local waterways is healthy, safe and protects the environment.” 

The first stage of the Growth Program also includes upgrades to Riverstone Water Resource Recovery Facility, with a new biosolids handling plant being built to ensure the ongoing beneficial reuse of product generated from the facility. 

Design and procurement of critical pieces of equipment is now progressing and construction is expected to start in late 2024.

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