Prospect South to Macarthur (ProMac)

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Under the ProMac project we are building new drinking water pipelines and infrastructure between Prospect South and Macarthur as part of Sydney Water's long-term plan to increase resilience in our network and to extend the city’s water capacity and supply.

ProMac will upgrade our existing water reservoirs at Liverpool and Cecil Park as well as build two new reservoirs at Oran Park. This will allow for an extra 100 Megalitres of additional reservoir capacity in Western Sydney. That’s the equivalent of about 50 Olympic-sized swimming pools!

We’re also building 15 km of additional pipework, three pumping stations and upgrading our existing network to ensure growing communities in South Western Sydney have access to clean drinking water even during the hottest and driest days.

Sydney Water is investing in new infrastructure that will not only support the growing, dynamic South Western Sydney but also meet the challenges of a changing climate.

ProMac will help Sydney Water deliver on its vision of creating a better life with world-class water services.

Under the ProMac project we are building new drinking water pipelines and infrastructure between Prospect South and Macarthur as part of Sydney Water's long-term plan to increase resilience in our network and to extend the city’s water capacity and supply.

ProMac will upgrade our existing water reservoirs at Liverpool and Cecil Park as well as build two new reservoirs at Oran Park. This will allow for an extra 100 Megalitres of additional reservoir capacity in Western Sydney. That’s the equivalent of about 50 Olympic-sized swimming pools!

We’re also building 15 km of additional pipework, three pumping stations and upgrading our existing network to ensure growing communities in South Western Sydney have access to clean drinking water even during the hottest and driest days.

Sydney Water is investing in new infrastructure that will not only support the growing, dynamic South Western Sydney but also meet the challenges of a changing climate.

ProMac will help Sydney Water deliver on its vision of creating a better life with world-class water services.

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Map your views

3 months

We would like to hear your thoughts about ProMac and how we supply drinking water to Greater Western Sydney. 

Whether it's about community benefits and ideas for improvement, questions about construction impacts or anything else, we invite you to map your views.

Getting involved is easy. Simply drop a pin on the location of your choice and tell us what you think.

If you have a general comment that is not specific to any area, simply place a pin anywhere on the map. We still want to hear from you.