ETE MATO GRANDE Wastewater Treatment Plant, Canoas, Rio Grande do Sul

ETE MATO GRANDE is a wastewater treatment plant located in Canoas, within the metropolitan region of Porto Alegre, Rio Grande do Sul, Brazil. The plant serves a population of 229,240, classifying it as a large agglomeration under Brazilian regulatory standards. It is situated near the coast, within 50 km of the Atlantic Ocean. As a large-scale facility, ETE MATO GRANDE is expected to comply with Brazil's national wastewater treatment regulations, which require secondary treatment as a minimum for such agglomerations. The plant's designed capacity is 1.00 (likely in cubic meters per second or similar unit), indicating significant infrastructure to handle the region's wastewater. The plant's scale suggests it plays a critical role in local sanitation. The plant's discharge likely enters the Guaíba River or nearby water bodies, which flow into the Lagoa dos Patos lagoon system and eventually the Atlantic Ocean. This watershed supports diverse aquatic life and is important for regional water quality. The plant's proximity to the coast underscores the need for effective treatment to protect downstream ecosystems and coastal waters.

ETE MATO GRANDE discharges treated wastewater into the Guaíba River basin, which drains into the Lagoa dos Patos, one of the largest coastal lagoons in South America, and ultimately the Atlantic Ocean. The region supports diverse aquatic habitats and is an important migratory corridor for fish and birds. Effective treatment is essential to prevent nutrient loading and protect the ecological health of this sensitive coastal watershed.