Santa Teresa Wastewater Treatment Plant, Santa Teresa, Northern Territory

Santa Teresa wastewater treatment plant is located in the remote community of Santa Teresa, within the Macdonnell Region of Australia's Northern Territory. The plant serves a small population of 556 residents and operates under secondary treatment standards, discharging 143.80 ML/year of treated wastewater. As a secondary treatment facility, the plant meets the baseline requirements for municipal wastewater treatment in Australia, which are governed by state and territory regulations. For small remote communities like Santa Teresa, secondary treatment is typical and ensures adequate removal of organic matter and suspended solids before discharge. The plant's treated effluent is released into the local environment, likely into a dry creek bed or ephemeral watercourse that feeds into the Lake Eyre Basin, one of the world's largest endorheic basins. The region's arid climate means that water resources are scarce, and the plant plays a crucial role in protecting local groundwater and surface water quality.

The plant discharges into the Lake Eyre Basin, a vast endorheic system that drains central Australia. This basin is ecologically sensitive, supporting unique arid-zone aquatic life and migratory bird populations. The treated effluent contributes to local water availability in a region where water is scarce, but must be carefully managed to avoid nutrient loading in ephemeral waterways.