ETE Terra Roxa SP - Wastewater Treatment Plant in Terra Roxa, São Paulo, Brazil

ETE Terra Roxa SP is a municipal wastewater treatment facility located in Terra Roxa, a city in the state of São Paulo, Brazil. The plant serves a population of about 7,381 people, classifying it as a small-scale treatment facility within the region's sanitation infrastructure. Brazil's wastewater treatment sector is governed by federal laws such as the National Water Resources Policy (Law 9.433/1997) and CONAMA resolutions, which set discharge standards for treated effluent. For small agglomerations like Terra Roxa, secondary treatment is typically required to protect water quality in receiving water bodies. The plant's treated effluent likely discharges into a local watercourse that drains into the Rio Grande or a tributary, eventually reaching the Paraná River basin. This region is part of the Paraná River system, which supports diverse aquatic life and provides water for agriculture and human consumption downstream.

The plant is located in the Paraná River basin, one of South America's largest watersheds. Treated effluent likely enters a local stream that flows into the Rio Grande, a major tributary of the Paraná River. The downstream environment supports diverse aquatic ecosystems and provides water for irrigation and municipal use. Proper treatment is essential to prevent nutrient loading and protect water quality in this ecologically significant basin.