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Water supply update for Macedon Ranges customers

8 October 2020

Western Water customers in the Macedon Ranges may soon notice a change in their drinking water as several towns switch their supply source.

Drinking water for the following towns will soon come from Rosslynne Reservoir (near Gisborne) instead of the Melbourne supply system: 

  • Gisborne
  • New Gisborne
  • Gisborne South
  • Riddells Creek
  • Macedon
  • Mount Macedon.

What will I notice when the supply changes?

Some customers may notice a slight change to the taste and smell of their water. 

The water supplied will continue to meet the Australian Drinking Water Guidelines for health and safety. 

Why does the water supply change?

Western Water uses a number of water sources to ensure a secure water supply for customers. 

Last year, Western Water supplied the above towns with water from the Melbourne system during the cooler months, and Rosslynne Reservoir in summer. 

During the cooler months we transfer water into Rosslynne Reservoir from Melbourne. When the weather heats up, and people start using more water, we use that water to ensure a secure water supply for everyone. 

Sometimes, there are exceptions to this rule. From time to time, we may need to bring supply changes forward when upgrade works are being carried out, or when weather conditions increase demand. 

More information:


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