ETE LAMI Wastewater Treatment Plant, Porto Alegre, Rio Grande do Sul

ETE LAMI is a wastewater treatment plant located in the Lami neighborhood of Porto Alegre, the capital of Rio Grande do Sul, Brazil. The plant serves a population of 4,855 people, making it a small-scale facility within the metropolitan region of Porto Alegre. It is situated near the southern shore of the Lagoa dos Patos, a large coastal lagoon system. In Brazil, wastewater treatment plants are regulated under federal environmental laws, including CONAMA resolutions, and are typically operated by municipal or state sanitation companies. For small agglomerations like this, primary or secondary treatment is common, with effluent standards set by the local environmental agency (FEPAM in Rio Grande do Sul). The treated effluent from ETE LAMI likely discharges into the Lami Creek or directly into the Lagoa dos Patos, which is a major coastal lagoon connected to the Atlantic Ocean. The Lagoa dos Patos is an ecologically important water body, supporting diverse aquatic life and serving as a nursery for fish and crustaceans. The plant's location within 50 km of the coast means its discharge can influence the lagoon's water quality and the broader coastal ecosystem.

ETE LAMI discharges into the Lami Creek watershed, which flows into the Lagoa dos Patos, one of the largest coastal lagoons in South America. The Lagoa dos Patos connects to the Atlantic Ocean via the Rio Grande channel, supporting a rich ecosystem of fish, birds, and aquatic plants. The lagoon is a critical habitat for migratory species and local fisheries. Protecting water quality in this system is essential for maintaining biodiversity and the livelihoods of communities that depend on the lagoon.