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We’re updating flood maps across part of the Moorabool Shire to better identify locations at risk of flooding. To improve the quality of the maps, we’re seeking your knowledge of past flooding in the area.

There are four maps being updated, which include the towns of Bacchus Marsh and Ballan. These reflect the different sources of flooding, and provide information used to plan for infrastructure, housing and emergencies.

Underway Werribee River and tributaries (Lerderderg River and Parwan, Pykes and Pyrites creeks) Seeking input
Underway Upper Little River Seeking input
Underway Upper Balliang Creek Seeking input
Underway Stormwater drains Seeking input

This work is being supported by Moorabool Shire Council, as part of the Greater Melbourne Flood Information Program.

Council will inform you of any future consultation for other parts of the shire outside of Melbourne Water’s catchment area. This may be run by Moorabool Shire Council or Corangamite Catchment Managment Authority.


Share your past experiences of flooding

We use the best data and tools to update our flood maps, which are reviewed by experts for accuracy. But even if you’re not an expert, your real-world experiences are valuable. They can help confirm our predictions, or reveal new information to investigate.

For your input to be considered, complete the following form by Sunday 24 August 2025, 11.59pm.

If you need support using this form, or would like to provide your input another way, please call our Customer Service Centre on 131 722 or email [email protected].

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Melbourne Water respectfully acknowledges the Bunurong, Gunaikurnai, Taungurung, Wadawurrung and Wurundjeri Woi-wurrung peoples as the Traditional Owners and Custodians of the land and water on which we rely and operate.
We pay our deepest respects to their Elders - past, present and emerging.