ETE RIO FORMOSO Wastewater Treatment Plant, Rio Formoso, Pernambuco

ETE RIO FORMOSO is a wastewater treatment plant located in Rio Formoso, Pernambuco, Brazil, along Rodovia Armínio Guilherme dos Santos. The plant serves a population of approximately 5,575 people, operating as a secondary treatment facility. Its location in the Northeast Region places it within a coastal environment, with the plant situated less than 10 kilometers from the Atlantic Ocean. As a secondary treatment plant, ETE RIO FORMOSO provides biological treatment to reduce organic matter and suspended solids. In Brazil, wastewater treatment plants are regulated under federal environmental laws, including CONAMA resolutions, which set discharge standards for treated effluent. The plant's scale, serving a small agglomeration, aligns with typical secondary treatment requirements for communities of this size. The treated wastewater from ETE RIO FORMOSO is discharged into the local watershed, which ultimately drains to the Atlantic Ocean. The coastal region of Pernambuco features estuaries and mangroves that are ecologically sensitive, supporting diverse aquatic life. The plant's proximity to the coast underscores the importance of effective treatment to protect marine and coastal ecosystems from nutrient pollution and pathogens.

The plant discharges into the Rio Formoso basin, which flows into the Atlantic Ocean along the coast of Pernambuco. This coastal zone includes estuarine and mangrove habitats that serve as nurseries for fish and crustaceans, and support migratory bird species. Effective secondary treatment is critical to prevent eutrophication and maintain water quality in these sensitive downstream environments.