ETE Caicara do Rio do Vento - Secondary Wastewater Treatment in Caiçara do Rio do Vento, Rio Grande do Norte

ETE Caicara do Rio do Vento is a wastewater treatment plant located in Caiçara do Rio do Vento, a municipality in the state of Rio Grande do Norte, Brazil. The plant serves a small population of 288 residents, reflecting its role in a rural or small urban community within the Northeast Region. The plant provides secondary treatment, which is the standard level required under Brazilian regulations for smaller agglomerations. Brazil's National Environment Council (CONAMA) sets discharge standards that mandate adequate treatment to protect water quality. The plant's discharge volume is 26.82 m³/day, indicating a modest operational scale. The treated effluent is released into local water bodies that drain into the Atlantic Ocean via the Potengi River basin. This region's semi-arid climate makes water resources particularly sensitive, and proper treatment helps safeguard downstream ecosystems and water availability for communities.

The plant discharges into the Potengi River basin, which flows through the state of Rio Grande do Norte and ultimately reaches the Atlantic Ocean near Natal. The downstream environment includes estuarine and coastal habitats that support diverse aquatic life, including fish and crustaceans important for local fisheries. Maintaining secondary treatment helps reduce nutrient and organic loads, protecting water quality in this ecologically sensitive semi-arid region.