ETE Presidente Epitacio Wastewater Treatment Plant, Presidente Epitácio, São Paulo

ETE Presidente Epitacio is a municipal wastewater treatment plant located in Presidente Epitácio, in the state of São Paulo, Brazil. The plant serves a population of approximately 33,620 residents, placing it in the medium-agglomeration category for Brazilian wastewater infrastructure. As a Brazilian treatment facility, ETE Presidente Epitacio operates under the national regulatory framework established by the National Environment Council (CONAMA) and the National Water Agency (ANA). For agglomerations of this scale, secondary treatment is typically required to meet effluent standards for organic matter and suspended solids. The plant discharges treated wastewater into the local watershed, which ultimately drains into the Paraná River, one of South America's major river systems. The Paraná River flows southward through Brazil, Paraguay, and Argentina, eventually reaching the Río de la Plata estuary. This downstream environment supports diverse aquatic life and is important for regional water supply and agriculture.

The plant is situated in the Paraná River basin, a vast watershed that drains into the Río de la Plata estuary. The Paraná River and its tributaries support rich biodiversity, including migratory fish species and riparian forests. Downstream ecosystems rely on adequate wastewater treatment to prevent nutrient loading and contamination, which could affect water quality for communities and wildlife along the river's course.