Overview
ETE 2 BARREIRAS is a secondary treatment plant serving 4,381 people in Barreiras, Bahia, Brazil. It discharges 447.39 cubic meters of treated wastewater, supporting local water quality in the region.
ETE 2 BARREIRAS is a municipal wastewater treatment plant located in Barreiras, Bahia, Brazil. Serving a population of approximately 4,381, it operates as a secondary treatment facility, which is a standard level for communities of this size in Brazil. The plant discharges an average of 447.39 cubic meters of treated wastewater daily. Under Brazilian regulations, wastewater treatment plants are subject to federal standards (CONAMA resolutions) and state-level environmental licensing, which typically require secondary treatment for inland discharges to protect water resources. The treated effluent from ETE 2 BARREIRAS is released into local water bodies within the Rio Grande basin, which flows into the São Francisco River, one of Brazil's major river systems. This river supports diverse aquatic life and provides water for agriculture, industry, and communities downstream, making proper treatment essential for ecological and public health.
Environmental context
The plant discharges into the Rio Grande basin, a tributary of the São Francisco River, which flows through the semi-arid Caatinga biome and into the Atlantic Ocean. The São Francisco River supports a wide range of fish species and is a critical water source for northeastern Brazil. Proper secondary treatment helps reduce organic pollutants and nutrients, protecting downstream aquatic ecosystems and water quality for human use.
Frequently asked questions
ETE 2 BARREIRAS is located in Barreiras, in the state of Bahia, Brazil. The plant serves the local community in the Fribarreiras area.
The plant serves a population of approximately 4,381 people, making it a small-scale municipal wastewater treatment facility.
ETE 2 BARREIRAS provides secondary treatment, which typically involves biological processes to remove organic matter and suspended solids before discharge.
The plant discharges into the Rio Grande basin, which flows into the São Francisco River. This river system is vital for water supply, agriculture, and biodiversity in northeastern Brazil.
Brazil's wastewater treatment is regulated by CONAMA resolutions and state environmental agencies. For small communities like Barreiras, secondary treatment is typically required to meet effluent standards for inland waters, ensuring protection of the São Francisco River basin.
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