ETE Piquerobi Wastewater Treatment Plant, Piquerobi, São Paulo

ETE Piquerobi is a municipal wastewater treatment plant located in Piquerobi, a city in the state of São Paulo, Brazil. The plant serves a population of 2,518 and operates with secondary treatment, which is appropriate for small communities in the region. The plant discharges treated wastewater at a volume of 322.68 m³/day. As a secondary treatment facility, it meets the basic standards for organic matter and suspended solids removal required by Brazilian environmental regulations (CONAMA resolutions). The plant is situated inland, more than 10 km from the coast, reducing direct marine impact. The treated effluent from ETE Piquerobi likely discharges into a local watercourse that flows into the Paraná River basin, one of the most important river systems in South America. This basin supports diverse aquatic life and provides water for agriculture and communities downstream. Proper treatment helps protect water quality in this ecologically significant region.

The plant discharges into a tributary of the Paraná River basin, which flows into the Río de la Plata estuary. This basin supports diverse aquatic ecosystems and is a critical water resource for agriculture and urban areas. Secondary treatment reduces organic pollution, helping maintain water quality in downstream environments.