ETE RIBEIRAO CLARO Wastewater Treatment Plant, Ribeirão Claro, Paraná, Brazil

ETE RIBEIRAO CLARO is a municipal wastewater treatment plant located in Ribeirão Claro, a city in the state of Paraná, Brazil. The plant serves a population of about 10,800 people, placing it in the small-to-medium agglomeration category. It is situated along Rodovia José Pereira da Silva, within the Região Geográfica Imediata de Santo Antônio da Platina. In Brazil, wastewater treatment plants are regulated by federal and state environmental agencies, with standards set by CONAMA resolutions. For plants of this scale, secondary treatment is typically required to reduce organic load and suspended solids. It operates under the national regulatory framework that mandates appropriate treatment for the protection of water resources. The treated effluent from ETE RIBEIRAO CLARO is discharged into local water bodies that drain into the Paranapanema River basin, which ultimately flows into the Paraná River and then to the Río de la Plata estuary. The plant plays a key role in protecting downstream aquatic ecosystems and maintaining water quality in the region.

The plant discharges into the Paranapanema River basin, a tributary of the Paraná River, which flows into the Río de la Plata estuary. This watershed supports diverse aquatic life and provides water for agriculture and communities downstream. Protecting this ecosystem from untreated wastewater is critical for maintaining biodiversity and water quality in the region.