ETE SAO JOAQUIM Wastewater Treatment Plant, São Joaquim, Santa Catarina, Brazil

ETE SAO JOAQUIM is a wastewater treatment plant located in São Joaquim, a city in the state of Santa Catarina, Brazil. The plant serves a population of around 10,620 people, placing it in the small to medium agglomeration category. It is situated along Rodovia Caminhos da Neve in the Três Pedrinhas area, within the Região Geográfica Imediata de Lages. As a Brazilian wastewater facility, ETE SAO JOAQUIM operates under the national regulatory framework established by the Ministry of Cities and state environmental agencies. For agglomerations of this size, secondary treatment is typically required to meet effluent standards. It is expected to comply with CONAMA Resolution 430/2011, which sets discharge standards for wastewater treatment plants in Brazil. The plant discharges treated effluent into local water bodies that ultimately drain into the Atlantic Ocean via the Pelotas River basin. The surrounding region is characterized by high-altitude grasslands and forests, part of the Atlantic Forest biome, which supports diverse aquatic life and provides important ecosystem services. Proper treatment at ETE SAO JOAQUIM helps protect downstream water quality and ecological health.

The treated effluent from ETE SAO JOAQUIM likely discharges into tributaries of the Pelotas River, which flows into the Uruguay River and eventually reaches the Rio de la Plata estuary and the Atlantic Ocean. The region is part of the Atlantic Forest biome, a biodiversity hotspot. The plant's operation helps protect local streams and rivers from nutrient pollution and pathogens, supporting aquatic habitats and downstream water quality.