ETE SAO MANUEL Wastewater Treatment Plant, São Manuel, São Paulo, Brazil

ETE SAO MANUEL is a wastewater treatment plant located in São Manuel, within the state of São Paulo, Brazil. The facility serves a population of approximately 35,117 residents, classifying it as a medium-sized agglomeration under Brazilian regulatory frameworks. The plant is situated in the Região Imediata de Botucatu, part of the broader Bauru intermediate region. As a plant in Brazil, ETE SAO MANUEL operates under the jurisdiction of the National Environmental Council (CONAMA) and state-level environmental agencies such as CETESB in São Paulo. Brazilian regulations require wastewater treatment for urban areas, with standards varying by receiving water body classification. For a population of this scale, secondary treatment is typically expected to meet effluent quality standards. The plant's treated effluent is discharged into local water bodies within the Paraná River basin, which ultimately drains into the Río de la Plata estuary. The region's water resources support agricultural activities and local ecosystems, making proper treatment essential for protecting downstream water quality and aquatic life.

The plant discharges into the Paraná River basin, which flows through southeastern Brazil and into the Río de la Plata estuary. This watershed supports diverse aquatic habitats and is important for regional water supply and agriculture. Proper treatment helps protect downstream ecosystems from nutrient pollution and other contaminants.