Overview
ETE S 2 is a municipal wastewater treatment plant in Sorocaba, São Paulo, Brazil, serving approximately 80,000 people. It operates under Brazil's national water quality regulations.
ETE S 2 is a municipal wastewater treatment plant located in Sorocaba, within the state of São Paulo, Brazil. The facility serves a population of around 80,000 residents in the Parque Vista Bárbara neighborhood and surrounding areas. As part of Sorocaba's sanitation infrastructure, it plays a key role in managing the city's wastewater. The plant operates under Brazil's regulatory framework for water quality and effluent discharge, which includes standards set by the National Environment Council (CONAMA) and state-level environmental agencies. For a facility serving approximately 80,000 people, secondary treatment is typically required to meet discharge standards. It is expected to comply with applicable regulations. The treated effluent from ETE S 2 is discharged into local water bodies that are part of the Sorocaba River basin. The Sorocaba River flows into the Tietê River, which ultimately reaches the Paraná River basin. This watershed supports diverse aquatic life and provides water for agricultural and urban uses downstream.
Environmental context
The plant discharges into the Sorocaba River basin, which flows into the Tietê River, a major tributary of the Paraná River system. The Tietê River is ecologically significant, supporting diverse fish species and serving as a water source for multiple municipalities. Downstream environments include reservoirs and floodplains that provide habitat for aquatic birds and mammals. Proper wastewater treatment is critical to prevent nutrient loading and contamination in this densely populated region.
Frequently asked questions
ETE S 2 is located in the Parque Vista Bárbara neighborhood of Sorocaba, in the state of São Paulo, Brazil. The address is Rua Eufranda Glause Oliveira, 1933.
The plant serves approximately 80,000 residents in Sorocaba, making it a medium-sized agglomeration under Brazilian wastewater classification.
The treated effluent is discharged into local water bodies within the Sorocaba River basin, which flows into the Tietê River and eventually the Paraná River system.
The plant operates under Brazil's CONAMA resolutions and state-level environmental permits, which set effluent quality standards for BOD, COD, and nutrients. Facilities serving over 50,000 people typically require secondary treatment.
For agglomerations of this size, secondary treatment (e. g. , activated sludge or aerated lagoons) is standard to meet CONAMA discharge limits. Some plants may also include nutrient removal if discharging into sensitive water bodies.
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