Overview
ETE SEDE LAGEADO is a wastewater treatment plant serving Botucatu, São Paulo, Brazil. It treats wastewater from approximately 105,000 residents and discharges into the local watershed.
ETE SEDE LAGEADO is a wastewater treatment plant located in Botucatu, São Paulo, Brazil. It serves a population of approximately 104,982 people, making it a medium-to-large agglomeration under Brazilian regulatory standards. The plant is situated in the interior of São Paulo state, an area characterized by a subtropical climate and significant agricultural activity. As a plant of this scale in Brazil, ETE SEDE LAGEADO is expected to comply with CONAMA Resolution 430/2011 and state-level environmental regulations, which set effluent discharge standards for organic matter, nutrients, and pathogens. Brazilian law typically requires secondary treatment for urban wastewater, with tertiary treatment in sensitive watersheds. Its population served suggests a substantial infrastructure footprint. The treated effluent from ETE SEDE LAGEADO is discharged into a local water body that ultimately drains into the Paraná River basin, one of South America's major river systems. This basin supports diverse aquatic ecosystems and provides water for agriculture, industry, and drinking water downstream. The plant plays a key role in protecting water quality in the region, particularly given the agricultural runoff pressures common in São Paulo's interior.
Environmental context
ETE SEDE LAGEADO discharges into a tributary of the Tietê River, which flows into the Paraná River and eventually reaches the Río de la Plata estuary. The Paraná basin is ecologically significant, supporting diverse fish species and wetlands. The region's agricultural activity can contribute nutrient loads, making effective wastewater treatment important for preventing eutrophication downstream.
Frequently asked questions
ETE SEDE LAGEADO is located in Botucatu, São Paulo, Brazil, at Avenida Dom Lucio in the Vila São Lucio neighborhood.
The plant serves approximately 104,982 people, classifying it as a medium-to-large agglomeration under Brazilian wastewater regulations.
The treated effluent is discharged into a local water body that flows into the Tietê River, part of the Paraná River basin, eventually reaching the Río de la Plata.
The plant must comply with CONAMA Resolution 430/2011, which sets effluent standards for BOD, COD, nutrients, and pathogens, and is overseen by CETESB, the São Paulo state environmental agency.
Plants of this scale in Brazil typically employ secondary treatment, such as activated sludge or aerated lagoons, to meet regulatory standards for organic matter removal.
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