Overview
ETE CAJATI is a municipal wastewater treatment plant serving Cajati, São Paulo, Brazil. It operates under Brazil's national environmental regulations for water quality.
ETE CAJATI is a wastewater treatment plant located in Cajati, within the state of São Paulo, Brazil. The facility serves a population of approximately 15,165 residents, placing it in the small-to-medium agglomeration category for Brazilian wastewater infrastructure. Brazil's wastewater treatment regulations are governed by CONAMA resolutions and state-level environmental agencies. For plants of this scale, secondary treatment is typically required to meet discharge standards. The treated effluent from ETE CAJATI is discharged into local water bodies that drain into the Ribeira de Iguape River basin, one of the most important river systems in southeastern Brazil. This basin supports diverse aquatic ecosystems and flows into the Atlantic Ocean near Iguape, contributing to the region's coastal and estuarine environments.
Environmental context
The plant discharges into the Ribeira de Iguape River basin, which flows through the Atlantic Forest biome, a globally significant biodiversity hotspot. The river ultimately reaches the Atlantic Ocean near Iguape, where it forms an estuary that supports mangroves and migratory fish species. Protecting water quality in this basin is critical for maintaining the ecological health of the downstream coastal zone.
Frequently asked questions
ETE CAJATI is located in Cajati, in the state of São Paulo, Brazil, within the Ribeira de Iguape River basin.
The plant serves approximately 15,165 residents, classifying it as a small-to-medium agglomeration under Brazilian wastewater standards.
The treated effluent is discharged into local water bodies that drain into the Ribeira de Iguape River, which flows to the Atlantic Ocean.
The plant operates under Brazil's CONAMA resolutions and state-level environmental permits from São Paulo's environmental agency (CETESB), which set discharge limits for water quality protection.
For agglomerations of this size, secondary treatment is typically required, often using activated sludge or lagoon systems, to meet national effluent standards.
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