ETE ECO America Wastewater Treatment Plant, Ilhéus, Bahia, Brazil

ETE ECO America is a wastewater treatment plant located in Ilhéus, within the state of Bahia, Brazil. It serves a population of approximately 2,838 people, making it a small-scale facility in the region's sanitation network. The plant is situated in the northeastern region of Brazil, an area characterized by a tropical climate and coastal ecosystems. The plant operates with secondary treatment, which is the standard biological process for removing organic matter and suspended solids. Under Brazil's national environmental regulations, including CONAMA resolutions, secondary treatment is typically required for inland discharges to protect water quality. The treated effluent from ETE ECO America is discharged into local water bodies that ultimately drain into the Atlantic Ocean. The region's watershed supports diverse aquatic life and is important for local fisheries and tourism. Proper treatment helps mitigate nutrient loading and protects downstream ecosystems, including mangroves and coastal habitats along the Bahia coastline.

The plant discharges into the drainage network of the Cachoeira River basin, which flows into the Atlantic Ocean near Ilhéus. This coastal region features sensitive ecosystems including mangroves and estuaries that support diverse marine life. The secondary treatment process reduces organic pollutants and suspended solids, helping to maintain water quality in the downstream environment and protect the ecological balance of the coastal zone.