Raymond Terrace Wastewater Treatment Plant, Newcastle-Maitland, New South Wales

Raymond Terrace wastewater treatment plant is located in Heatherbrae, near Raymond Terrace, within the Newcastle-Maitland urban area of New South Wales, Australia. The facility serves a population of approximately 16,360 and has a designed capacity of 1.00 million liters per day, indicating it is a medium-scale plant for the region. The plant operates under Australia's national regulatory framework for wastewater management, which includes state-level environmental protection authorities. For plants of this scale, secondary treatment is typically required to meet discharge standards, with additional nutrient removal in sensitive catchments. The facility is classified as operational and is part of the municipal infrastructure managed by local water authorities. The treated effluent from Raymond Terrace is discharged into the local catchment, which ultimately drains into the Hunter River estuary and then into the Tasman Sea. The Hunter River supports diverse aquatic life and is an important ecological corridor, with the estuary providing critical habitat for migratory birds and fish species.

The plant discharges into the Hunter River catchment, which flows into the Hunter River estuary and then the Tasman Sea. This coastal environment supports diverse marine and estuarine ecosystems, including seagrass beds and mangrove forests that provide nursery habitats for fish and crustaceans. The region is also important for migratory shorebirds, making water quality management critical for ecological health.