Overview
Wongan Hills wastewater treatment plant is a secondary treatment facility serving approximately 1,005 people in Western Australia. It discharges treated wastewater into the local environment via Wilding Road, Lake Ninan.
The Wongan Hills wastewater treatment plant is located in the Shire of Wongan-Ballidu, Western Australia, serving the small rural community of Wongan Hills with a population of around 1,005. The plant operates under Australian wastewater regulations, which require appropriate treatment for small agglomerations to protect local water resources. The facility provides secondary treatment, a standard level for inland plants of this scale in Australia. The plant's discharge volume is approximately 260 megalitres per year, reflecting its role in managing domestic wastewater from the town. Treated effluent is discharged into the Lake Ninan area, part of the broader Avon River catchment that drains to the Swan River and ultimately the Indian Ocean. The plant helps protect local groundwater and surface water quality in this agricultural region, supporting the ecological health of the Avon River system.
Environmental context
The plant discharges into the Lake Ninan area, which is part of the Avon River catchment. The Avon River flows into the Swan River estuary and then to the Indian Ocean. This watershed supports diverse aquatic life and is important for regional biodiversity, including migratory bird species that use the wetlands along the Swan River.
Frequently asked questions
The plant is located on Wilding Road, near Lake Ninan, in Wongan Hills, Shire of Wongan-Ballidu, Western Australia.
The plant serves approximately 1,005 people in the town of Wongan Hills and surrounding areas.
The treated wastewater is discharged into the Lake Ninan area, which is part of the Avon River catchment that flows to the Swan River and the Indian Ocean.
The plant provides secondary treatment, which is the standard required under Australian regulations for small inland communities to protect water quality.
The plant operates under Australian state and federal wastewater regulations, including the National Water Quality Management Strategy, which sets guidelines for effluent discharge to protect receiving environments.
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