ETE Descalvado - Wastewater Treatment Plant in Descalvado, São Paulo, Brazil

ETE Descalvado is a municipal wastewater treatment facility located in Descalvado, São Paulo, Brazil. The plant serves a population of approximately 27,631 people, placing it in the medium agglomeration category for Brazilian wastewater infrastructure. It is situated in the southeastern region of Brazil, an area characterized by a subtropical climate and significant agricultural activity. As a plant serving a medium-sized community, ETE Descalvado is subject to Brazil's national environmental regulations, including CONAMA resolutions and state-level standards from CETESB, São Paulo's environmental agency. These regulations typically require secondary treatment for municipal wastewater to protect water quality. The plant's design capacity and treatment process are aligned with the needs of the local population, ensuring compliance with discharge standards. The treated effluent from ETE Descalvado is discharged into local water bodies that are part of the Paraná River basin, one of Brazil's major river systems. The downstream environment includes rivers and streams that support diverse aquatic life and are used for agriculture and recreation. Proper treatment at this plant is essential for maintaining the ecological health of the region's water resources.

The plant discharges into the Paraná River basin, which flows through southeastern Brazil and ultimately reaches the Río de la Plata estuary. This basin supports diverse aquatic ecosystems, including fish species important for local fisheries. The region's agricultural activities make nutrient removal a key concern for downstream water quality.