ETE RESERVA Wastewater Treatment Plant, Reserva, Paraná, Brazil

ETE RESERVA is a wastewater treatment plant located in Reserva, a municipality in the state of Paraná, Brazil. The plant serves a population of approximately 6,513 people, classifying it as a small-scale facility within the region's sanitation infrastructure. The plant provides secondary treatment, which is the standard biological treatment stage that removes organic matter and suspended solids. In Brazil, wastewater treatment plants are regulated by federal and state environmental agencies, and secondary treatment is typical for communities of this size. The plant discharges a treated effluent volume of 832.90 (unit unspecified), indicating its operational scale. The treated effluent from ETE RESERVA is discharged into local water bodies that eventually drain into the Paraná River basin, one of South America's major river systems. This basin supports diverse aquatic ecosystems and provides water for agriculture, industry, and drinking water downstream. Proper treatment helps protect water quality in the region's rivers and reservoirs.

The plant discharges into local streams that flow into the Tibagi River, a tributary of the Paranapanema River, which ultimately joins the Paraná River. The Paraná River basin is ecologically significant, hosting diverse fish species and supporting wetlands and floodplains. Effective wastewater treatment is crucial to prevent nutrient pollution and maintain water quality in this important watershed.