Overview
Kwinana wastewater treatment plant serves approximately 46,000 people in Western Australia. Located in the City of Kwinana, it is an operational facility with a designed capacity of 1.00 ML/day.
Kwinana wastewater treatment plant is an operational facility located on McLaughlan Road in the City of Kwinana, Western Australia. It serves a population of approximately 46,382, placing it in the medium agglomeration category for Australian wastewater infrastructure. The plant operates under Australia's national regulatory framework, which requires secondary treatment as a minimum standard for inland discharges. As a facility serving a medium-sized community, it is subject to state-level environmental protection regulations administered by the Western Australian Department of Water and Environmental Regulation. The plant's treated effluent is discharged into the local watershed, which ultimately drains to the Indian Ocean via the Cockburn Sound. This coastal environment supports diverse marine life and is an important area for commercial and recreational fishing, making effective wastewater treatment critical for protecting water quality and ecosystem health.
Environmental context
The plant's discharge enters the local drainage network that flows into Cockburn Sound, a marine embayment on the Indian Ocean coast. This sound is ecologically significant, supporting seagrass meadows and diverse fish populations. The surrounding watershed includes urban and industrial areas of Kwinana, and the plant's operations help protect downstream water quality in this sensitive coastal environment.
Frequently asked questions
Kwinana wastewater treatment plant is located on McLaughlan Road in the City of Kwinana, Western Australia, 6167, Australia.
The plant serves approximately 46,382 people, classifying it as a medium-sized municipal wastewater facility.
The plant discharges treated effluent into the local watershed, which flows into Cockburn Sound and ultimately the Indian Ocean.
The plant operates under Australia's national wastewater regulations and state-level environmental protection laws administered by the Western Australian Department of Water and Environmental Regulation.
For medium-sized agglomerations in Australia, secondary treatment is the standard minimum requirement, with tertiary treatment often applied in sensitive coastal or inland areas.
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