ETE PARAPUA Wastewater Treatment Plant, Parapuã, São Paulo, Brazil

ETE PARAPUA is a municipal wastewater treatment plant located in Parapuã, a city in the state of São Paulo, Brazil. The plant serves a population of approximately 9,049 people, placing it in the small-to-medium agglomeration category. It operates within Brazil's national water quality regulatory framework, which sets standards for effluent discharge and water resource protection. As a plant serving a population under 10,000, ETE PARAPUA is subject to Brazilian regulations that require appropriate treatment to meet water quality standards. Plants of this scale typically employ secondary treatment or equivalent technologies to reduce organic load and pathogens before discharge. The plant's capacity and operational details are managed by the local sanitation authority. The treated effluent from ETE PARAPUA is discharged into local water bodies that drain into the Paraná River basin, one of South America's major river systems. The Paraná River flows southward through Brazil, Paraguay, and Argentina, ultimately reaching the Río de la Plata estuary. This discharge contributes to the water quality and ecological health of downstream aquatic environments, supporting diverse freshwater species and regional water resources.

ETE PARAPUA discharges into local streams that are part of the Paraná River basin, which flows through southeastern Brazil and eventually reaches the Río de la Plata estuary. The watershed supports diverse aquatic life, including fish species important for local fisheries. The region's tropical climate and agricultural land use influence runoff patterns, making proper wastewater treatment essential for maintaining water quality in downstream ecosystems.