Wickham Wastewater Treatment Plant, Western Australia - Coastal Secondary Treatment Facility

The Wickham Wastewater Treatment Plant is located in the town of Wickham, within the City of Karratha in Western Australia. This facility serves a population of approximately 2,314 residents and operates under the regulatory framework of the Australian state and federal environmental protection agencies. The plant provides secondary treatment, which is the standard biological treatment process for municipal wastewater. It discharges an average of 598.88 ML of treated effluent annually. As a coastal facility within 10 km of the Indian Ocean, the plant's operations are subject to stringent discharge requirements to protect marine ecosystems. The treated effluent from the plant ultimately reaches the Indian Ocean via local drainage systems. The surrounding coastal environment supports diverse marine life, including coral reefs and seagrass meadows, making proper wastewater management critical for preserving water quality and ecological health in the region.

The plant discharges treated wastewater into the coastal waters of the Indian Ocean near Wickham. This area is part of the Pilbara region, known for its rich marine biodiversity, including coral reefs, mangroves, and important fish habitats. The discharge must comply with environmental regulations to prevent nutrient enrichment and protect downstream ecosystems.