ETE Palmares Paulista Wastewater Treatment Plant, Palmares Paulista, São Paulo

ETE Palmares Paulista is a municipal wastewater treatment plant located in Palmares Paulista, a city in the Região Imediata de Catanduva, São Paulo, Brazil. The plant serves a population of approximately 9,631 residents, placing it in the small-to-medium agglomeration category under Brazilian wastewater management frameworks. As a plant in Brazil, ETE Palmares Paulista operates under the national environmental regulations overseen by the Brazilian Institute of the Environment and Renewable Natural Resources (IBAMA) and state-level agencies such as CETESB in São Paulo. For agglomerations of this scale, secondary treatment is typically required to meet discharge standards. The regulatory framework ensures compliance with effluent quality standards. The plant discharges treated wastewater into local water bodies within the Paraná River basin, which ultimately drains into the Río de la Plata estuary. The surrounding region is predominantly agricultural, with sugarcane and citrus farming, making the plant's role in protecting downstream water quality important for both human use and aquatic ecosystems.

The plant is located inland in the Paraná River basin, which drains into the Río de la Plata estuary. The receiving water body is likely a small river or stream that flows into the Turvo or Grande River, tributaries of the Paraná. The region supports diverse aquatic life and is important for irrigation and drinking water supply. Proper treatment helps prevent nutrient pollution and protects downstream ecosystems.