ETE Ilha Comprida 2 - Advanced Wastewater Treatment in Ilha Comprida, São Paulo

ETE Ilha Comprida 2 is a wastewater treatment facility located in Ilha Comprida, a coastal municipality in São Paulo state, Brazil. The plant serves a population of approximately 2,105 residents, reflecting its role in managing domestic wastewater for this small community. Its location in the Região Imediata de Registro places it within a region characterized by Atlantic Forest remnants and coastal ecosystems. The plant employs advanced treatment processes, ensuring a high level of effluent quality before discharge. With a reported discharge volume of 767.67 cubic meters, the facility operates under Brazil's national environmental regulations, which require adequate treatment for coastal discharges. For small agglomerations like Ilha Comprida, advanced treatment is particularly important to protect sensitive coastal waters. The treated effluent is discharged into the local environment near the Atlantic coast, ultimately reaching the South Atlantic Ocean. This coastal setting demands rigorous treatment to safeguard marine biodiversity and recreational water quality. The plant's advanced treatment helps mitigate nutrient loading and pathogen risks, supporting the health of nearby estuaries and mangrove ecosystems that are typical of the region.

The plant discharges into the coastal waters of Ilha Comprida, which are part of the Cananeia-Iguape estuary-lagoon system, one of the most productive and ecologically sensitive coastal zones in southeastern Brazil. This system supports diverse aquatic life, including fish, crustaceans, and migratory birds. The advanced treatment at ETE Ilha Comprida 2 helps reduce nutrient and pathogen inputs, protecting water quality in this important estuarine environment that ultimately drains to the South Atlantic Ocean.