Overview
ETE Caicara is a municipal wastewater treatment plant in Ribeirão Preto, São Paulo, Brazil, serving approximately 79,000 people. It operates under Brazil's national environmental regulations for water quality.
ETE Caicara is a wastewater treatment plant located in Ribeirão Preto, a city in the state of São Paulo, Brazil. The plant serves a population of around 79,000, classifying it as a medium-sized agglomeration under Brazilian sanitation standards. It is situated in the southeastern region of the country, an area characterized by intensive agriculture and urban development. Brazil's wastewater treatment framework is governed by the National Environmental Council (CONAMA) and state-level environmental agencies. For plants of this scale, secondary treatment is typically required to meet discharge standards, especially when effluent is released into sensitive water bodies. The regulatory context ensures compliance with national water quality goals. The treated effluent from ETE Caicara is discharged into local waterways that ultimately drain into the Paraná River basin, one of South America's largest river systems. This basin supports diverse aquatic ecosystems and provides water for millions of people. Proper treatment at this plant helps protect downstream water quality and ecological health.
Environmental context
The plant discharges into tributaries of the Pardo River, which flows into the Grande River, a major tributary of the Paraná River. The Paraná basin supports extensive biodiversity, including migratory fish species and riparian forests. The region's intensive sugarcane and citrus farming can contribute nutrient runoff, making effective wastewater treatment critical to preventing eutrophication in downstream reservoirs.
Frequently asked questions
ETE Caicara is located in Ribeirão Preto, in the state of São Paulo, Brazil. The plant serves the Léo Gomes de Morais neighborhood and surrounding areas.
The plant serves approximately 79,243 people, making it a medium-sized wastewater treatment facility for the region.
Treated effluent from ETE Caicara is discharged into local waterways that flow into the Pardo River, part of the Paraná River basin.
The plant operates under Brazil's CONAMA resolutions and state-level environmental permits from São Paulo's environmental agency (CETESB), which set discharge limits for pollutants.
For medium-sized agglomerations in Brazil, secondary treatment is standard, often using activated sludge or lagoon systems, to meet national effluent quality standards.
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