Overview
ETE Cidadao XII ETE I is a secondary treatment plant in Manaus, Amazonas, Brazil, serving 542 people. It discharges 64.95 m³/day of treated wastewater, supporting local sanitation in the Amazon region.
ETE Cidadao XII ETE I is a wastewater treatment plant located in Manaus, the capital of Amazonas state in northern Brazil. Serving a population of 542, this facility is part of the municipal sanitation infrastructure in a region characterized by tropical rainforest and the vast Amazon River basin. The plant provides secondary treatment, which is the standard biological process for removing organic matter and suspended solids. Under Brazilian regulations, such as CONAMA resolutions and the National Sanitation Plan (Plansab), secondary treatment is expected for urban agglomerations to protect water quality. The plant's discharge volume of 64.95 m³/day indicates a small-scale operation typical for a community of this size. Treated effluent from the plant likely enters local streams that drain into the Rio Negro, a major tributary of the Amazon River. The Amazon basin is one of the most biodiverse ecosystems on Earth, supporting countless aquatic species and providing critical water resources. Proper treatment helps prevent nutrient pollution and protects downstream habitats, including floodplain forests and wetlands.
Environmental context
The plant's treated effluent flows into the Rio Negro watershed, which joins the Amazon River near Manaus. The Amazon River discharges into the Atlantic Ocean, forming one of the world's largest river plumes. This region supports diverse aquatic life, including fish species that migrate through the basin, and its floodplains are ecologically sensitive areas that rely on clean water for seasonal inundation cycles.
Frequently asked questions
The plant is located in Manaus, the capital of Amazonas state in northern Brazil, within the Amazon rainforest region.
The plant serves approximately 542 people, indicating it is a small-scale community wastewater facility.
The plant discharges treated effluent into local watercourses that drain into the Rio Negro, a major tributary of the Amazon River.
The plant provides secondary treatment, which uses biological processes to remove organic matter and suspended solids, meeting typical standards for small communities in Brazil.
Brazil's National Sanitation Plan (Plansab) and CONAMA resolutions set discharge standards. Plants of this scale are expected to provide at least secondary treatment to protect water quality in sensitive Amazonian watersheds.
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