Overview
Sunbury wastewater treatment plant serves approximately 64,000 people in Melbourne, Victoria, Australia. It is an operational facility located inland, discharging treated effluent into the local watershed.
Sunbury wastewater treatment plant is located in the suburb of Sunbury, part of the City of Hume in Melbourne, Victoria, Australia. The facility serves a population of around 64,000, classifying it as a medium-to-large agglomeration under Australian wastewater management frameworks. As an operational plant, it is subject to the regulatory oversight of the Victorian Environment Protection Authority (EPA Victoria), which issues discharge licenses under the Environment Protection Act. Australian standards typically require secondary treatment for plants of this scale, with additional nutrient removal in sensitive catchments. The plant discharges treated wastewater into the local waterways that ultimately flow into Port Phillip Bay via the Yarra River system. This bay is an ecologically significant marine environment supporting diverse aquatic life and recreational activities. The plant's performance is critical to maintaining water quality in the region.
Environmental context
The plant's treated effluent enters the Maribyrnong River catchment, which flows into the Yarra River and then into Port Phillip Bay. Port Phillip Bay is a large, semi-enclosed bay that supports diverse marine ecosystems, including seagrass beds and important fish nursery habitats. The bay is also a key recreational and economic resource for Melbourne.
Frequently asked questions
Sunbury wastewater treatment plant is located on Harker Street in Sunbury, a suburb of Melbourne, within the City of Hume, Victoria, Australia.
The plant serves approximately 64,100 people, making it a medium-to-large agglomeration under Australian wastewater classification.
The plant discharges treated effluent into the Maribyrnong River catchment, which flows into the Yarra River and ultimately into Port Phillip Bay.
The plant operates under the Victorian Environment Protection Act, with discharge licenses issued by EPA Victoria. Australian standards typically require secondary treatment for plants of this scale.
For agglomerations of this size, secondary treatment is standard, often with additional nutrient removal to protect sensitive receiving waters like Port Phillip Bay.
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