Overview
ETE SAO FRANCISCO DE PAULA II is a wastewater treatment plant in Nova Iguaçu, Rio de Janeiro, Brazil, serving approximately 5,024 people. It operates under Brazil's national water quality regulations.
ETE SAO FRANCISCO DE PAULA II is a wastewater treatment plant located in Nova Iguaçu, a city in the state of Rio de Janeiro, Brazil. The plant serves a population of about 5,024 people, placing it in the small agglomeration category. It is situated in the Região Metropolitana do Rio de Janeiro, a densely populated urban area. As a small-scale facility, the plant is expected to meet the treatment standards set by Brazil's National Environment Council (CONAMA) and state-level environmental agencies. These regulations typically require at least secondary treatment for municipal wastewater to protect water quality. The plant's designed capacity is 1.00 volume unit, indicating its scale relative to the population served. The treated effluent from the plant discharges into local water bodies that ultimately flow into the Atlantic Ocean via the Guanabara Bay watershed. This region is ecologically sensitive, supporting diverse aquatic life and providing important ecosystem services. Proper treatment at this plant helps reduce nutrient and pollutant loads, contributing to the health of downstream environments.
Environmental context
The plant discharges into the drainage network of the Guanabara Bay basin, which flows into the Atlantic Ocean. Guanabara Bay is a large estuarine system that supports mangrove forests, fish nurseries, and migratory bird populations. The bay faces pressures from urban runoff and industrial activities, making effective wastewater treatment critical for maintaining water quality and biodiversity in this coastal ecosystem.
Frequently asked questions
The plant is located in Nova Iguaçu, in the state of Rio de Janeiro, Brazil, within the Região Metropolitana do Rio de Janeiro.
The plant serves approximately 5,024 people, classifying it as a small agglomeration under typical wastewater management categories.
The treated effluent is discharged into local water bodies that are part of the Guanabara Bay watershed, eventually reaching the Atlantic Ocean.
The plant operates under Brazil's CONAMA resolutions and state-level environmental permits, which set effluent quality standards for municipal wastewater treatment.
For small agglomerations in Brazil, secondary treatment is typically required to reduce organic matter and nutrients, often using technologies like activated sludge or stabilization ponds.
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