Overview
ETE Santa Ernestina is a secondary wastewater treatment plant serving the city of Santa Ernestina, São Paulo, Brazil. It treats wastewater for a population of 5,772 and discharges a volume of 759.42 cubic meters.
ETE Santa Ernestina is a wastewater treatment facility located in Santa Ernestina, a municipality in the state of São Paulo, Brazil. The plant serves a population of approximately 5,772 residents, providing secondary treatment to municipal wastewater. It operates within the Região Imediata de Ribeirão Preto, part of the broader Ribeirão Preto metropolitan region. The plant employs secondary treatment processes, which are standard for medium-sized agglomerations in Brazil. Under Brazilian regulations (CONAMA resolutions and state-level environmental laws), secondary treatment is required for inland plants to reduce organic load and protect receiving water bodies. The treated effluent from ETE Santa Ernestina is discharged into local watercourses that ultimately drain into the Paraná River basin, one of South America's major river systems. The plant plays a key role in protecting downstream water quality and supporting the ecological health of the region's rivers and streams.
Environmental context
The plant discharges into local streams that flow into the Mogi-Guaçu River, a tributary of the Paraná River basin. This basin supports diverse aquatic life and is important for regional water supply and agriculture. The secondary treatment helps reduce organic pollution, safeguarding downstream ecosystems and water quality for communities.
Frequently asked questions
ETE Santa Ernestina is located in the city of Santa Ernestina, in the state of São Paulo, Brazil. It serves the local municipality within the Ribeirão Preto metropolitan region.
The plant serves a population of approximately 5,772 residents, providing secondary wastewater treatment to the community.
The treated effluent is discharged into local watercourses that flow into the Mogi-Guaçu River, part of the Paraná River basin. The plant uses secondary treatment to reduce organic pollutants before discharge.
The plant operates under Brazilian environmental regulations, including CONAMA resolutions and state-level permits from São Paulo's environmental agency (CETESB). These require secondary treatment for inland plants to protect water quality.
For agglomerations of this size, secondary treatment is standard in Brazil. This typically involves biological processes such as activated sludge or lagoons to remove organic matter and suspended solids.
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