ETE Barueri Wastewater Treatment Plant, Barueri, São Paulo, Brazil

ETE Barueri is a wastewater treatment plant located in Barueri, within the São Paulo metropolitan area, Brazil. The facility serves a population of around 38,058 residents, contributing to the region's sanitation infrastructure. As a plant in Brazil, ETE Barueri is subject to the country's environmental regulations, including CONAMA resolutions and state-level water quality standards. For agglomerations of this size, secondary treatment is typically required to protect receiving water bodies. The plant's treated effluent is discharged into local watercourses that flow into the Tietê River basin, ultimately reaching the Paraná River system. This watershed supports diverse aquatic life and provides water for downstream communities, making effective treatment essential for ecological and public health.

The plant discharges into the Tietê River basin, which flows through the São Paulo metropolitan region and eventually joins the Paraná River. This watershed is ecologically significant, supporting aquatic biodiversity and providing water for agriculture and urban use downstream. Proper treatment helps mitigate nutrient loading and pollution in this densely populated area.