ETE Rosalina Wastewater Treatment Plant, Fortaleza, Ceará, Brazil

ETE Rosalina is a municipal wastewater treatment plant located in the Praia do Futuro II neighborhood of Fortaleza, the capital of Ceará state in northeastern Brazil. The plant serves a small population of 485 residents, reflecting its role in a localized community within the larger metropolitan area. As a secondary treatment facility, ETE Rosalina provides biological treatment to reduce organic matter and suspended solids. In Brazil, wastewater treatment plants are regulated under federal environmental laws and state-level permits, with secondary treatment being the standard for most municipal plants. The plant's discharge volume of 69.73 m³/day indicates a modest operational scale. The treated effluent is discharged into the coastal environment near Praia do Futuro, a popular beach area. The receiving waters ultimately flow into the Atlantic Ocean. This coastal discharge requires careful management to protect marine water quality and recreational uses, as the region supports diverse aquatic life and is important for local tourism.

The plant discharges treated wastewater into the coastal waters of the Atlantic Ocean near Praia do Futuro in Fortaleza. This area is part of the semi-arid northeastern Brazilian coast, where freshwater resources are limited and marine ecosystems are sensitive to nutrient inputs. The discharge contributes to the local marine environment, which supports fish, crustaceans, and migratory birds. Proper treatment is essential to prevent eutrophication and maintain water quality for recreation and biodiversity.