ETE Buritizal Wastewater Treatment Plant, Buritizal, São Paulo

ETE Buritizal is a municipal wastewater treatment plant located in Buritizal, within the state of São Paulo, Brazil. The plant serves a population of approximately 3,266 residents, classifying it as a small-scale facility in the region's sanitation infrastructure. The plant provides secondary treatment, which is the standard biological process for removing organic matter and suspended solids. In Brazil, wastewater treatment plants are regulated under federal laws such as the National Environmental Policy and CONAMA resolutions, which set discharge standards for treated effluent. For small agglomerations like Buritizal, secondary treatment is typically sufficient to meet environmental compliance. The treated effluent from ETE Buritizal is discharged into local water bodies that drain into the Rio Grande basin, a major tributary of the Paraná River system. This river network ultimately flows into the Río de la Plata estuary, supporting diverse aquatic ecosystems and providing water for downstream communities and agriculture.

The plant discharges into local streams that feed into the Rio Grande, part of the Paraná River basin. This watershed supports important aquatic habitats and is used for irrigation and water supply. The downstream environment includes the Paraná River floodplains, which are ecologically sensitive areas that host diverse fish and bird species. Proper treatment helps protect water quality in this extensive river system.