Overview
ETE SAO LUIS TRAVESSAO is a secondary treatment plant in Dois Irmãos, Rio Grande do Sul, Brazil, serving 3,555 people. It discharges 382.20 m³/day of treated wastewater into local water bodies.
ETE SAO LUIS TRAVESSAO is a municipal wastewater treatment plant located in the Travessão neighborhood of Dois Irmãos, a city in the state of Rio Grande do Sul, Brazil. The plant serves a population of 3,555 residents and operates at a secondary treatment level, which is typical for smaller agglomerations in the region. Secondary treatment in Brazil generally involves biological processes to reduce organic matter and suspended solids. As a small-scale facility, it falls under Brazil's national environmental regulations, which require compliance with CONAMA Resolution 430/2011 for effluent discharge standards. The treated wastewater from the plant is discharged into local water bodies that eventually drain into the Rio dos Sinos basin, a major river system in southern Brazil. This river flows into the Guaíba Lake and ultimately the Lagoa dos Patos lagoon, which is an important coastal ecosystem supporting diverse aquatic life and fisheries.
Environmental context
The plant discharges into the Rio dos Sinos watershed, which flows into Guaíba Lake and then into the Lagoa dos Patos, a large coastal lagoon in southern Brazil. This lagoon is ecologically significant as a nursery for fish and crustaceans and supports migratory bird populations. The region's subtropical climate and urban runoff from the Porto Alegre metropolitan area add pressure on water quality, making effective treatment essential for protecting downstream habitats.
Frequently asked questions
The plant is located at Rua Albano Hansen, in the Travessão neighborhood of Dois Irmãos, Rio Grande do Sul, Brazil.
The plant serves approximately 3,555 residents in the Dois Irmãos area.
The treated wastewater is discharged into local water bodies that drain into the Rio dos Sinos basin, which flows into Guaíba Lake and eventually the Lagoa dos Patos lagoon.
The plant operates under Brazil's CONAMA Resolution 430/2011, which sets effluent discharge standards for wastewater treatment plants. Secondary treatment is the minimum required for most municipal plants in Brazil.
For small agglomerations like this, secondary treatment using biological processes (such as activated sludge or lagoons) is standard. This level of treatment effectively reduces organic pollutants and suspended solids to meet national discharge limits.
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