ETE BASTOS Wastewater Treatment Plant, Bastos, São Paulo, Brazil

ETE BASTOS is a wastewater treatment plant located in Bastos, within the state of São Paulo, Brazil. The facility serves a population of around 17,425 residents, positioning it as a medium-sized agglomeration under Brazilian regulatory frameworks. The plant is situated in the southeastern region of the country, an area characterized by a mix of agricultural and urban activities. Brazil's wastewater treatment sector is governed by national standards such as CONAMA resolutions and state-level environmental agencies. For agglomerations of this scale, secondary treatment is typically required to reduce organic load and protect receiving water bodies. It operates within a regulatory environment that emphasizes compliance with discharge standards. The plant's treated effluent likely discharges into local watercourses that drain into the Paraná River basin, one of South America's major river systems. This basin supports diverse aquatic ecosystems and is vital for water supply, agriculture, and hydropower. Proper treatment at ETE BASTOS helps mitigate nutrient and pathogen pollution, safeguarding downstream water quality and ecological health.

ETE BASTOS is located in the interior of São Paulo state, within the Paraná River basin. The treated wastewater from the plant ultimately flows into the Paraná River, which drains into the Río de la Plata estuary. This watershed supports diverse aquatic life and is an important resource for regional agriculture and urban centers. Effective treatment at the plant helps reduce nutrient loading and protect downstream ecosystems from eutrophication and contamination.