Overview
ETE Castelo Branco II e II A is a secondary treatment plant in Salvador, Bahia, Brazil, serving approximately 1,000 people. It discharges treated wastewater near the coast of the Atlantic Ocean.
ETE Castelo Branco II e II A is a wastewater treatment plant located in Salvador, the capital of Bahia state in northeastern Brazil. The plant serves a small population of around 1,000 residents in the Castelo Branco neighborhood, part of the greater Salvador metropolitan area. It operates under Brazil's national environmental regulations, which set standards for effluent quality and water body protection. The plant provides secondary treatment, a biological process that removes organic matter and suspended solids. The plant's discharge volume is approximately 108 cubic meters per day. As a small-scale facility, it plays a role in local sanitation infrastructure, helping to reduce pollution loads before effluent reaches the environment. The treated effluent from ETE Castelo Branco II e II A ultimately drains into the Atlantic Ocean via local waterways. Salvador's coastal location means the plant is within 10 km of the coast, making proper treatment essential to protect marine water quality. The region's tropical climate and dense urban development heighten the importance of effective wastewater management for public health and ecosystem health.
Environmental context
The plant discharges into the Atlantic Ocean via the coastal drainage system of Salvador. The receiving waters support diverse marine life, including fish, crustaceans, and coral reefs, and are important for local fisheries and tourism. Effective treatment helps prevent nutrient enrichment and pathogen contamination in this ecologically sensitive coastal zone.
Frequently asked questions
The plant is located in Salvador, the capital of Bahia state in northeastern Brazil, in the Castelo Branco neighborhood.
The plant serves approximately 1,000 people in the local community.
The treated effluent is discharged into local waterways that drain into the Atlantic Ocean, given the plant's proximity to the coast.
The plant provides secondary treatment, which uses biological processes to remove organic matter and suspended solids.
Brazil's environmental framework, including CONAMA resolutions, sets effluent standards for treatment plants. Small plants like this must comply with discharge limits to protect water quality in receiving water bodies.
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