Collarenebri Wastewater Treatment Plant, New South Wales, Australia

Collarenebri wastewater treatment plant is located in the town of Collarenebri, New South Wales, Australia, within the Walgett Shire Council. It serves a small population of 449 residents, providing essential wastewater management for this rural community. The plant is operational and treats wastewater to secondary level, which is appropriate for its scale and inland location. The plant operates under Australia's national regulatory framework for wastewater, which includes state-level environmental protection authorities. For small agglomerations like Collarenebri, secondary treatment is standard to reduce organic matter and suspended solids before discharge. The plant's discharge volume is 116.09 megalitres per year, indicating consistent operation. Treated effluent from the plant is likely discharged to a local watercourse or used for irrigation, contributing to the region's water cycle. The area is part of the Murray-Darling Basin, a major river system supporting agriculture and ecosystems. The plant's operations help protect local waterways from untreated sewage, maintaining water quality for downstream users and the environment.

The plant serves Collarenebri, located inland in northern New South Wales. The nearest major river is the Barwon River, part of the Murray-Darling Basin, which flows into the Darling River and eventually the Murray River and Southern Ocean. The region supports agricultural activities and native ecosystems. The plant's secondary treatment reduces pollutants, protecting local creeks and groundwater from contamination.