ETE AMAN Wastewater Treatment Plant, Agulhas Negras, Rio de Janeiro

ETE AMAN is a municipal wastewater treatment plant located in the Jardim Tropical neighborhood of Cabral, Agulhas Negras, in the municipality of Resende, Rio de Janeiro, Brazil. The plant serves a population of about 15,523, placing it in the small to medium agglomeration category. It is situated in the Paraíba do Sul river basin, a region of significant ecological and economic importance. As a Brazilian wastewater treatment facility, ETE AMAN is subject to CONAMA Resolution 430/2011 and other federal and state regulations that set effluent discharge standards. For a plant of this size, secondary treatment is typically required to meet water quality objectives. The regulatory framework ensures that appropriate treatment levels are maintained. The treated effluent from ETE AMAN is discharged into local water bodies that eventually flow into the Paraíba do Sul River, which is a major water source for the region and drains into the Atlantic Ocean near Campos dos Goytacazes. The river supports diverse aquatic life and provides water for agriculture, industry, and drinking water for millions of people downstream. Proper treatment at ETE AMAN is crucial for protecting this vital waterway.

ETE AMAN discharges into the Paraíba do Sul River basin, which flows through the states of São Paulo, Rio de Janeiro, and Minas Gerais before reaching the Atlantic Ocean. The river is a critical water source for the region, supporting drinking water supplies, agriculture, and industry. The watershed is ecologically sensitive, hosting diverse fish species and riparian habitats. Effective wastewater treatment is essential to prevent nutrient pollution and protect downstream ecosystems.