Overview
ETE 3 BARREIRAS is a secondary wastewater treatment plant serving approximately 1,588 people in Barreiras, Bahia, Brazil. It discharges 162.19 m³/day of treated effluent into the local watershed.
ETE 3 BARREIRAS is a municipal wastewater treatment facility located in the Fribarreiras district of Barreiras, in the state of Bahia, Brazil. The plant serves a population of about 1,588 residents, making it a small-scale facility within the region's sanitation infrastructure. The plant operates with secondary treatment, which is the standard level required under Brazilian regulations (CONAMA resolutions) for most urban wastewater systems. Secondary treatment typically involves biological processes to reduce organic matter and suspended solids. The treated effluent from ETE 3 BARREIRAS is discharged into the local watershed, which ultimately drains into the Rio Grande (a tributary of the São Francisco River). The São Francisco River basin is one of Brazil's most important hydrological systems, supporting agriculture, biodiversity, and water supply for millions of people downstream. The plant's secondary treatment helps protect water quality in this ecologically significant basin.
Environmental context
The plant discharges into the Rio Grande, a tributary of the São Francisco River, which flows through the semi-arid Caatinga biome and the Cerrado savanna. The São Francisco basin supports diverse aquatic life, including migratory fish species, and provides water for irrigation and human consumption. Secondary treatment reduces organic pollution, helping to maintain ecological balance in this water-stressed region.
Frequently asked questions
ETE 3 BARREIRAS is located in the Fribarreiras district of Barreiras, in the state of Bahia, Brazil.
The plant serves approximately 1,588 people, classifying it as a small-scale municipal wastewater treatment facility.
The plant discharges treated effluent into the local watershed, which flows into the Rio Grande, a tributary of the São Francisco River.
The plant provides secondary treatment, which is the standard required by Brazilian environmental regulations for urban wastewater to reduce organic matter and suspended solids.
In Brazil, wastewater treatment plants are regulated by CONAMA resolutions and state environmental agencies. Secondary treatment is typically mandated for urban areas to protect water quality in receiving water bodies.
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