ETE Pauliceia - Secondary Wastewater Treatment Plant in Pauliceia, São Paulo

ETE Pauliceia is a municipal wastewater treatment plant located in Pauliceia, a city in the state of São Paulo, Brazil. The plant serves a population of approximately 5,376 people, classifying it as a small-scale facility within the region's sanitation infrastructure. The plant employs secondary treatment, which is the standard biological process required for most urban wastewater in Brazil under national regulations. This level of treatment effectively removes organic matter and suspended solids, ensuring the effluent meets basic environmental standards before discharge. The treated wastewater is discharged into local water bodies that ultimately drain into the Paraná River basin, one of South America's major river systems. The plant plays a key role in protecting downstream water quality and supporting the ecological health of the region's freshwater resources.

The plant discharges into the Paraná River basin, which flows through southeastern Brazil and eventually reaches the Río de la Plata estuary. This watershed supports diverse aquatic life and is important for regional water supply and agriculture. The secondary treatment helps reduce nutrient loading and organic pollution in the receiving waters.