Overview
ETE Buena Vista Viamao is a secondary treatment plant in Viamao, Rio Grande do Sul, Brazil, serving 1,688 people. It discharges 86.40 m³/day of treated wastewater into the local watershed.
ETE Buena Vista Viamao is a municipal wastewater treatment plant located in the Buena Vista condominium area of Viamao, a city in the metropolitan region of Porto Alegre, Rio Grande do Sul, Brazil. The plant serves a population of 1,688 residents, reflecting its role in a small residential community within the larger urban agglomeration. The plant provides secondary treatment, which is the standard biological treatment level required under Brazilian regulations (CONAMA resolutions) for most urban wastewater. Secondary treatment typically involves biological processes such as activated sludge or aerated lagoons to reduce organic matter and suspended solids before discharge. The treated effluent is released into local watercourses that drain into the Guaiba River basin, which flows into the Lagoa dos Patos, a large coastal lagoon system in southern Brazil. This lagoon is ecologically significant, supporting diverse aquatic life and serving as a critical habitat for migratory birds and fish species. The plant's operation helps protect downstream water quality in this sensitive estuarine environment.
Environmental context
The plant discharges into the Guaiba River basin, which flows into the Lagoa dos Patos, one of the largest coastal lagoons in South America. This lagoon system supports a rich biodiversity, including fish, crustaceans, and waterfowl, and is an important nursery area for commercially valuable species. The watershed is influenced by both urban runoff from the Porto Alegre metropolitan area and agricultural activities, making effective wastewater treatment essential to prevent eutrophication and maintain water quality in the lagoon.
Frequently asked questions
The plant is located at Rua Jacana, Condominio Buena Vista, in the Sao Lucas neighborhood of Viamao, Rio Grande do Sul, Brazil. It serves the Buena Vista residential area within the Porto Alegre metropolitan region.
The plant serves a population of 1,688 people, making it a small-scale facility designed for a local residential community.
The treated effluent is discharged into local watercourses that flow into the Guaiba River basin, which ultimately drains into the Lagoa dos Patos lagoon system in southern Brazil.
The plant provides secondary treatment, which is the standard biological treatment required under Brazilian regulations for most urban wastewater. This process removes organic matter and suspended solids before discharge.
In Brazil, wastewater treatment is regulated by CONAMA resolutions and state environmental agencies. Plants serving small communities like this one are typically required to meet secondary treatment standards to protect receiving water bodies, especially in sensitive watersheds like the Guaiba River basin.
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