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

ETE Suzano is a municipal wastewater treatment plant located in Suzano, within the São Paulo metropolitan region of Brazil. The plant serves a population of approximately 8,666 residents, classifying it as a small-scale facility in the context of Brazil's wastewater infrastructure. Brazil's wastewater treatment facilities are regulated under the National Environment Council (CONAMA) resolutions and the National Water Resources Policy. For plants of this scale, secondary treatment is typically required to meet effluent standards before discharge. The plant's designed capacity is 1.00 volume unit, indicating its operational scale. The plant's treated effluent is discharged into the local watershed, which ultimately drains into the Tietê River basin, a major waterway in São Paulo state. The Tietê River flows through the metropolitan region and eventually reaches the Paraná River basin, supporting diverse aquatic ecosystems and providing water for downstream communities.

The plant discharges into the Tietê River basin, which flows through the São Paulo metropolitan region and eventually joins the Paraná River system. This watershed supports diverse aquatic life and is critical for water supply in one of Brazil's most densely populated areas. The downstream environment includes reservoirs and floodplains that provide habitat for fish and migratory birds.