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Yan Yean Reservoir

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

Get the lowdown on Melbourne’s sewerage system, how we look after it and what you can do to help.

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.

We're investing over $100 million in a four-year program to upgrade ageing sewer pipes and manholes across Melbourne.

Learn how we calculate water storage levels and why we display data in a particular way.

Melbourne Water is building new infrastructure to meet growing demand for water Melbourne’s northern and western suburbs.

Learn how to use our interactive map to view rainfall, river level or river flow data at more than 200 sites.

Understand the key values and conditions we use to track the health of our rivers, creeks and wetlands, and how we test water quality.

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