ETE MULEMBA Wastewater Treatment Plant, Vitória, Espírito Santo, Brazil

ETE MULEMBA is a wastewater treatment plant located in the Joana d'Arc neighborhood of Vitória, the capital of Espírito Santo, Brazil. The plant serves an estimated population of 39,713, placing it in the medium agglomeration category for Brazilian wastewater infrastructure. Vitória is situated on an island in the Atlantic Ocean, connected to the mainland by bridges, making coastal discharge a key consideration. In Brazil, wastewater treatment plants are regulated under federal laws such as the National Environmental Policy (Law 6.938/1981) and CONAMA resolutions, which set discharge standards. For plants of this scale, secondary treatment is typically required to protect receiving waters. The treated effluent from ETE MULEMBA likely discharges into the Baía de Vitória (Vitória Bay), which connects to the Atlantic Ocean. The bay supports diverse aquatic life and is an important estuarine ecosystem. The plant's operation helps protect downstream water quality in the bay and coastal waters, which are used for recreation, fishing, and navigation.

The plant's treated effluent likely enters the Baía de Vitória, a coastal bay that receives freshwater from several rivers and drains into the Atlantic Ocean. The bay supports mangroves, fish nurseries, and migratory bird populations. Protecting this estuarine environment from nutrient pollution and pathogens is critical for maintaining biodiversity and local fisheries.