ETE IPUPIARA Wastewater Treatment Plant, Ipupiara, Bahia, Brazil

ETE IPUPIARA is a municipal wastewater treatment facility located in Ipupiara, Bahia, Brazil. The plant serves a population of around 3,410 residents, providing secondary treatment to manage domestic wastewater in this semi-arid region of northeastern Brazil. As a secondary treatment plant, ETE IPUPIARA employs biological processes to reduce organic matter and suspended solids. Brazilian wastewater treatment plants of this scale are regulated under federal environmental standards (CONAMA resolutions) and state-level permits, which set effluent quality limits to protect receiving water bodies. The plant's treated effluent is discharged into local watercourses that drain into the São Francisco River basin, one of Brazil's most important river systems. The São Francisco River flows through the semi-arid sertão region and ultimately reaches the Atlantic Ocean, supporting diverse aquatic life and providing water for agriculture, industry, and communities downstream.

The plant discharges into the São Francisco River basin, which is the fourth-largest river system in South America and a critical water source for northeastern Brazil. The river supports a variety of fish species and is an important migratory corridor. Downstream, the São Francisco River flows into the Atlantic Ocean, where its estuary provides nursery habitats for marine life. The semi-arid climate of the region makes water quality management particularly important for sustaining local ecosystems and human uses.