Karratha 2 Wastewater Treatment Plant, Karratha, Western Australia

Karratha 2 is a municipal wastewater treatment plant located in Karratha, a city in the Pilbara region of Western Australia. The plant serves a population of around 10,268 residents and is situated in the Gap Ridge industrial area. As part of Australia's wastewater infrastructure, it plays a key role in managing sewage from the local community. The plant operates under Australia's regulatory framework, which includes state-level environmental protection laws. For a plant of this scale, secondary treatment is typically required to meet water quality standards before discharge. The treated effluent is likely discharged to a nearby waterway or used for reuse, given the arid climate of the Pilbara. The plant's proximity to the coast (within 50 km) means that any discharge could eventually reach the Indian Ocean via local drainage systems. The region supports unique ecosystems, including mangroves and coastal habitats, which benefit from proper wastewater management.

Karratha 2 discharges treated wastewater into the local drainage system, which ultimately flows to the Indian Ocean via the Pilbara coast. The receiving environment includes coastal habitats such as mangroves and tidal flats that support diverse marine life. Proper treatment is essential to protect these sensitive ecosystems from nutrient pollution and pathogens.