ETE Antonio Ubirajara Wastewater Treatment Plant, Passos, Minas Gerais

ETE Antonio Ubirajara is a wastewater treatment plant located in Passos, within the state of Minas Gerais, Brazil. The facility serves a population of approximately 68,165 residents, classifying it as a medium-sized agglomeration under Brazilian wastewater management standards. The plant is situated in the southeastern region of Brazil, an area characterized by its diverse topography and significant water resources. As a plant serving a population between 10,000 and 100,000, ETE Antonio Ubirajara is expected to meet the treatment standards set by Brazilian environmental regulations, which typically require secondary treatment for such scales. The designed capacity is reported as 1. The plant operates under the oversight of state environmental agencies, which enforce discharge permits to protect water quality. The treated effluent from the plant is discharged into local water bodies that are part of the Rio Grande basin, which ultimately flows into the Paraná River system. This river network is ecologically significant, supporting diverse aquatic life and providing water for agriculture and human consumption. The plant's operations are crucial for maintaining the health of these downstream ecosystems.

The plant discharges into the Rio Grande basin, part of the larger Paraná River system, which drains into the Río de la Plata estuary. This watershed supports diverse aquatic habitats and is important for regional biodiversity. The surrounding area is predominantly agricultural, with sugarcane and coffee plantations, making nutrient management critical to prevent eutrophication in downstream water bodies.