ETE BREJO Wastewater Treatment Plant, Brejo, Maranhão, Brazil

ETE BREJO is a wastewater treatment plant located in Brejo, within the state of Maranhão, Brazil. The facility serves a small population of 1,374 residents, reflecting its role in a rural or small urban community. As part of Brazil's wastewater infrastructure, the plant contributes to local sanitation and environmental protection. Brazil's wastewater treatment standards are governed by national regulations, including CONAMA resolutions and the National Sanitation Plan (PLANSAB). The plant's capacity and operational status align with the scale of the community it serves. The treated effluent from ETE BREJO is discharged into local water bodies that drain into the Atlantic Ocean via the Parnaíba River basin or coastal catchments in Maranhão. The region's aquatic ecosystems include mangroves and estuaries that support diverse fish and bird species. Proper treatment helps protect these environments from nutrient pollution and pathogens.

ETE BREJO discharges into local streams that flow toward the Atlantic coast of Maranhão, part of the Parnaíba River basin or adjacent coastal systems. The downstream environment includes mangroves and estuaries that serve as critical nursery habitats for fish and crustaceans. Protecting these waters from untreated sewage is essential for maintaining biodiversity and supporting local fisheries.