ETE Colombo Sede - Secondary Wastewater Treatment Plant in Colombo, Paraná, Brazil

ETE Colombo Sede is a wastewater treatment plant located in Colombo, Paraná, Brazil, serving the local population of approximately 35,855 residents. The plant provides secondary treatment, which is a standard biological process that removes organic matter and suspended solids from wastewater before discharge. As part of the metropolitan region of Curitiba, it plays a key role in managing the region's wastewater. The plant operates under Brazil's national environmental regulations, which set discharge standards for treated effluent. For a medium-sized agglomeration like Colombo, secondary treatment is typically required to protect water quality in receiving water bodies. The plant's discharge volume is recorded at 410.40 (likely in cubic meters per day or similar), indicating its operational scale. The treated effluent from ETE Colombo Sede is discharged into local watercourses that eventually flow into the Iguaçu River basin, a major river system in Paraná. The Iguaçu River drains into the Iguaçu River basin and ultimately reaches the Paraná River, which flows into the Río de la Plata estuary. This downstream connection highlights the plant's role in protecting aquatic ecosystems and water quality in the broader watershed.

The plant discharges into local streams that are part of the Iguaçu River basin, which flows through the Atlantic Forest biome. The Iguaçu River is ecologically significant, supporting diverse aquatic life and providing water for communities downstream. The treated effluent eventually reaches the Paraná River and the Río de la Plata, making proper treatment essential for maintaining water quality in this extensive river system.