ETE JULIO MESQUITA - Secondary Wastewater Treatment Plant in Júlio Mesquita, São Paulo

ETE JULIO MESQUITA is a municipal wastewater treatment plant located in Júlio Mesquita, a city in the state of São Paulo, Brazil. The plant serves a population of approximately 4,192 residents, classifying it as a small-scale facility within the region's sanitation infrastructure. The plant employs secondary treatment, which is the standard biological process for removing organic matter and suspended solids. Under Brazil's national environmental regulations (CONAMA resolutions), secondary treatment is typically required for inland discharges to protect water quality. The plant's discharge volume is 565.13 cubic meters per day, reflecting the scale of the community it serves. The treated effluent is discharged into local watercourses that drain into the Tietê River basin, a major watershed in São Paulo state. The Tietê River flows through the state and eventually reaches the Paraná River system, which empties into the Río de la Plata estuary. Proper treatment at this plant helps safeguard downstream aquatic ecosystems and water resources used for agriculture and recreation.

The plant's discharge enters local streams that are part of the Tietê River basin, which flows through São Paulo state. The Tietê River is a vital waterway supporting diverse aquatic life and providing water for irrigation and industry. Downstream, the river joins the Paraná River system, which ultimately drains into the Río de la Plata estuary. This connection highlights the importance of effective wastewater treatment to prevent nutrient loading and protect downstream ecosystems, including sensitive wetlands and fisheries.