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Water supply update for Gisborne, Riddells Creek, Macedon and Mount Macedon

19 March 2020

As part of planned upgrade works being carried out to our network, Western Water is changing the water supply in some towns in our service region.

These upgrade works will improve the longevity of our assets and ensure water supply security into the future.

Further changes are forecast throughout the year. We will keep you informed when these occur.

The following towns will soon be supplied with water from the Melbourne system:

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

What will I notice when the supply changes?

Some customers may notice a 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:

How can I reduce my water use?

Target 155 is a voluntary water conservation program to encourage customers to use 155 litres of water or less per person per day.  Find out more and see our tips for reducing water use.


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