Overview
ETE Castro Alves is a secondary wastewater treatment plant serving approximately 13,783 people in Castro Alves, Bahia, Brazil. It discharges treated effluent into local water bodies, supporting regional sanitation.
ETE Castro Alves is a municipal wastewater treatment facility located in Castro Alves, a city in the state of Bahia, Brazil. The plant serves a population of about 13,783 residents, providing secondary treatment to reduce organic pollutants and suspended solids before discharge. As a secondary treatment plant, ETE Castro Alves employs biological processes to treat wastewater, meeting the standards typical for medium-sized agglomerations in Brazil. The plant operates under Brazil's national environmental regulations, which require adequate treatment to protect water quality and public health. The treated effluent from ETE Castro Alves is discharged into local water bodies that eventually drain into the Paraguacu River basin, a major watershed in Bahia. This river flows into the Baia de Todos os Santos, an important estuarine ecosystem supporting diverse aquatic life and local fisheries.
Environmental context
The treated effluent from ETE Castro Alves enters local streams that feed into the Paraguacu River, which flows into the Baia de Todos os Santos, a large tropical bay on Brazil's northeastern coast. This bay supports mangrove forests, seagrass beds, and coral reefs, providing critical habitat for fish, crustaceans, and migratory birds. Proper wastewater treatment is essential to prevent nutrient pollution and maintain the ecological health of this sensitive coastal environment.
Frequently asked questions
ETE Castro Alves is located in the city of Castro Alves, in the state of Bahia, Brazil. The plant serves the local municipality and surrounding areas.
The plant serves approximately 13,783 people, classifying it as a medium-sized agglomeration under Brazilian wastewater management standards.
The treated effluent is discharged into local water bodies that are part of the Paraguacu River basin, eventually reaching the Baia de Todos os Santos.
The plant provides secondary treatment, which uses biological processes to remove organic matter and suspended solids, meeting standard requirements for municipal wastewater in Brazil.
The plant operates under Brazil's national environmental laws, including CONAMA resolutions, which set effluent quality standards and require monitoring to protect water resources.
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