Overview
ETE Colônia Marçal serves São João del-Rei, Minas Gerais, Brazil, treating wastewater for approximately 22,445 people. The plant operates under Brazil's national water quality regulations.
ETE Colônia Marçal is a wastewater treatment plant located in São João del-Rei, in the state of Minas Gerais, Brazil. Serving a population of around 22,445, the plant is part of the municipal infrastructure for this historic city in the Região Sudeste. The facility is situated inland, away from coastal areas, and contributes to local water management. Brazil's wastewater treatment standards are governed by CONAMA resolutions and state-level environmental agencies. For a plant of this scale, secondary treatment is typically required to meet discharge standards. It is expected to comply with applicable regulations for organic matter and pathogen removal. The treated effluent likely discharges into a local watercourse that flows into the Rio das Mortes, a tributary of the Rio Grande, which is part of the Paraná River basin. This river system supports diverse aquatic life and provides water for downstream communities and agriculture. Proper treatment is essential to protect water quality in this ecologically sensitive region.
Environmental context
The plant's discharge ultimately reaches the Rio das Mortes, which flows into the Rio Grande and then the Paraná River basin. This watershed supports a variety of fish species and is used for irrigation and drinking water. The region's tropical climate and seasonal rainfall patterns influence dilution and pollutant transport, making consistent treatment important for maintaining downstream ecosystem health.
Frequently asked questions
ETE Colônia Marçal is located in São João del-Rei, in the state of Minas Gerais, Brazil. The plant serves the local community in the Região Sudeste region.
The plant serves approximately 22,445 people, making it a medium-sized facility for the region.
The treated effluent is likely discharged into a local watercourse that flows into the Rio das Mortes, part of the Paraná River basin.
The plant operates under Brazil's CONAMA resolutions and state-level environmental permits. For a plant serving around 22,000 people, secondary treatment is typically required to meet discharge standards.
In Brazil, wastewater treatment plants of this scale commonly use secondary treatment processes such as activated sludge or stabilization ponds to reduce organic matter and pathogens before discharge.
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