Overview
ETE RO 208 is a municipal wastewater treatment plant serving approximately 37,000 people in Cacoal, Rondônia, Brazil. The plant discharges into local waterways within the Amazon basin.
ETE RO 208 is a wastewater treatment plant located in Cacoal, a city in the state of Rondônia, Brazil. The plant serves an estimated population of 37,216, placing it in the medium agglomeration category for Brazilian wastewater infrastructure. It is situated in the northern region of Brazil, an area characterized by tropical climate and dense rainforest. As a Brazilian wastewater facility, ETE RO 208 operates under the national regulatory framework established by the Ministry of Cities and state environmental agencies. Brazilian legislation, including Law No. 11.445/2007 on basic sanitation, sets standards for wastewater collection and treatment. For a plant of this scale, secondary treatment is typically required to protect water quality in receiving bodies. The plant's treated effluent is discharged into local watercourses that are part of the greater Amazon River basin. This region hosts exceptionally rich biodiversity, and proper wastewater treatment is critical to prevent nutrient pollution and protect aquatic ecosystems. The plant plays a key role in safeguarding downstream water quality in this ecologically sensitive area.
Environmental context
ETE RO 208 discharges into streams that flow into the Amazon River system, ultimately reaching the Atlantic Ocean. The surrounding watershed supports diverse aquatic life, including fish species endemic to the Amazon basin. Effective treatment is essential to minimize impacts on these ecosystems, particularly from organic loads and pathogens that could affect both wildlife and downstream communities.
Frequently asked questions
ETE RO 208 is located on Avenida Araçatuba in the Cristal do Arco Iris neighborhood of Cacoal, Rondônia, Brazil.
The plant serves approximately 37,216 people, classifying it as a medium-sized municipal wastewater treatment facility.
The plant discharges treated effluent into local waterways that are part of the Amazon River basin, ultimately flowing to the Atlantic Ocean.
The plant operates under Brazil's national sanitation framework, including Law No. 11.445/2007, and is subject to state-level environmental permits from Rondônia's environmental agency.
For medium-sized agglomerations in Brazil, secondary treatment is standard to reduce organic matter and pathogens, often using technologies like activated sludge or stabilization ponds.
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