ETE Santana - Wastewater Treatment Plant in Varginha, Minas Gerais, Brazil

ETE Santana is a wastewater treatment plant located in the Nova Damasco area of Varginha, in the state of Minas Gerais, Brazil. Serving a population of around 58,155, the plant is part of the municipal infrastructure for the Região Geográfica Imediata de Varginha. The facility operates within Brazil's national water and sanitation regulatory framework, which sets standards for effluent quality and environmental protection. Brazil's wastewater treatment regulations, established by the National Environment Council (CONAMA) and the Ministry of Cities, require appropriate treatment levels based on the receiving water body's sensitivity and population served. For a medium-sized agglomeration like Varginha, secondary treatment is typically expected to reduce organic load and pathogens before discharge. The plant's designed capacity is 1.00 (likely in cubic meters per second or similar unit), indicating a facility sized for the local population. The treated effluent from ETE Santana is discharged into local water bodies that ultimately drain into the Rio Grande basin, a major tributary of the Paraná River system. This river network flows through southeastern Brazil and supports diverse aquatic ecosystems, including important fish populations and riparian habitats. Proper treatment at ETE Santana helps protect downstream water quality in the Rio Grande and Paraná River basins.

The plant's discharge enters local streams that feed into the Rio Grande, a key river in the Paraná Basin. This basin drains into the Río de la Plata estuary, supporting ecologically sensitive wetlands and diverse aquatic life. Effective treatment at ETE Santana reduces nutrient and organic pollution, safeguarding downstream water quality and aquatic habitats.