Melbourne Sewage Plant Becomes Bird Paradise

Quick Smiles:

• Western Treatment Plant supports over 300 bird species.
• Endangered birds thrive thanks to nutrient-rich wetlands.
• Local birdwatchers can access unique viewing opportunities.

Every flush in Melbourne sends water on an extraordinary journey, ending at the Western Treatment Plant—an unexpected haven where thriving marshlands attract flocks of birds from near and far.

This vast site nurtures a rich ecosystem by retaining select nutrients, fueling a vibrant food web that supports more than 300 recorded bird species and rare visitors like the orange-bellied parrot.

The lagoons span 32 pools, each designed to carefully process and cleanse water while still supporting local flora and fauna. Marshes and mudflats teem with life, drawing cranes, seabirds, and raptors to their bustling habitat.

“The water that goes out into the bay at the end result of the sewage treatment process does still have a lot of nutrient in it,” shares Cody McCormack, conservation and land officer with Melbourne Water.

These managed nutrients ensure that insects and vegetation flourish without overwhelming the bay, balancing biodiversity and sustainability under watchful stewardship.

Birdwatchers can apply for special access to this site, making memories among mudflats that burst with feathered activity—a testament to nature’s ability to thrive in surprising places.

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