If you’re constructing works required by us, be properly prepared before you start.

Case study: we launched a competition inviting submissions that proposed ways to reduce or eliminate greenhouse gas emissions from our wastewater treatment plants.

View facts and historical rainfall data for Yan Yean, Melbourne’s oldest reservoir.

Explore the historic sewage treatment plant in Werribee, also an internationally-recognised bird habitat.

Learn how the treatment plant uses innovative processes to turn sewage into Class A recycled water.

Floods are a natural part of our weather cycle. Know the types of flooding that could occur and how they might impact you.

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Our Privacy Policy sets out Melbourne Water's commitments regarding privacy of personal and health information.

Melbourne’s drainage system directs stormwater away from urban areas to reduce the risk of flooding, but extreme rainfall can still sometimes cause floods.