ETE Novo Horizonte Valenca Wastewater Treatment Plant, Valenca, Bahia

ETE Novo Horizonte Valença is a wastewater treatment plant located in Valença, Bahia, Brazil, serving a population of 629. The plant is situated in the Graça neighborhood, within the Região Geográfica Imediata de Valença, and operates as part of the municipal sanitation infrastructure. The plant provides secondary treatment, which is the standard biological process for removing organic matter and suspended solids. Under Brazil's national environmental regulations, secondary treatment is appropriate for small agglomerations like Valença, ensuring compliance with discharge standards set by the National Environment Council (CONAMA). The treated effluent is discharged into local water bodies that eventually drain to the Atlantic Ocean, given the plant's proximity to the coast. The region's watershed supports diverse aquatic life and is important for local fisheries and recreation. Proper treatment helps protect downstream ecosystems and public health.

The plant discharges into local streams that flow toward the Atlantic Ocean, contributing to the coastal watershed of Bahia. The receiving environment supports estuarine and marine habitats, including mangroves and coral reefs, which are sensitive to nutrient pollution. Secondary treatment reduces organic load and suspended solids, helping to maintain water quality in this ecologically important coastal zone.