ETE JARDIM GUANDU - Advanced Wastewater Treatment in Nova Iguaçu, Rio de Janeiro

ETE JARDIM GUANDU is a wastewater treatment facility located in the Jardim Guandu neighborhood of Nova Iguaçu, in the metropolitan region of Rio de Janeiro, Brazil. The plant serves a population of 3,361 and operates with advanced treatment processes, ensuring high-quality effluent before discharge. As an advanced treatment plant, ETE JARDIM GUANDU likely employs tertiary processes such as nutrient removal or disinfection, which go beyond the secondary treatment standard. In Brazil, wastewater treatment is regulated by CONAMA resolutions and state environmental agencies, with advanced treatment often required for sensitive receiving waters or reuse applications. The plant discharges into the local watershed, which drains into the Guandu River, a major water source for the Rio de Janeiro metropolitan area. The Guandu River flows into Sepetiba Bay, an ecologically important coastal lagoon system that supports mangroves, fish nurseries, and migratory birds. The advanced treatment helps protect these downstream ecosystems from nutrient pollution and pathogens.

The plant's treated effluent enters the Guandu River basin, which supplies drinking water to millions in Rio de Janeiro. The Guandu River flows into Sepetiba Bay, a semi-enclosed coastal lagoon that supports diverse aquatic life, including mangroves and fish spawning grounds. Advanced treatment at this plant reduces nutrient loads and pathogens, helping to maintain water quality in this ecologically sensitive bay.