ETE SEDE SALESOPOLIS Wastewater Treatment Plant, Salesópolis, São Paulo

ETE SEDE SALESOPOLIS is a wastewater treatment facility located in Salesópolis, within the state of São Paulo, Brazil. The plant serves a population of around 7,261 residents, placing it in the small agglomeration category. It is situated along Rodovia Mogi-Salesópolis in the Jardim Nidia neighborhood. As a plant in Brazil, it is subject to the country's environmental legislation, including CONAMA resolutions and state-level regulations from CETESB, which set discharge standards for treated effluent. For a facility of this scale, secondary treatment is typically required to protect receiving water bodies. The plant's treated effluent likely discharges into a local watercourse within the Tietê River basin, which flows through the São Paulo metropolitan region and eventually reaches the Paraná River system. This watershed supports diverse aquatic life and provides water for urban and agricultural use downstream. Proper treatment at this plant helps maintain water quality in the region's sensitive freshwater ecosystems.

The plant is located in the Tietê River basin, a major watershed in southeastern Brazil. The Tietê River flows through São Paulo state and eventually joins the Paraná River, which drains into the Río de la Plata estuary. This basin supports diverse aquatic habitats and is critical for regional water supply. Effective wastewater treatment at ETE SEDE SALESOPOLIS helps reduce nutrient and pollutant loads, protecting downstream ecosystems and water quality for communities and wildlife.