Overview
ETE Cravinhos is a municipal wastewater treatment plant serving approximately 32,381 people in Cravinhos, São Paulo, Brazil. It operates under Brazil's national water quality regulations.
ETE Cravinhos is a municipal wastewater treatment plant located in Cravinhos, within the state of São Paulo, Brazil. The plant serves a population of around 32,381 residents, placing it in the medium-agglomeration category for Brazilian wastewater infrastructure. It is situated inland, approximately 50 km from the coast, and its operations are governed by Brazil's environmental standards. Brazilian wastewater treatment plants of this scale are typically required to meet secondary treatment standards under CONAMA Resolution 430/2011 and state-level regulations. It is expected to comply with discharge limits for organic matter and suspended solids. The regulatory framework emphasizes protection of water resources and public health. The treated effluent from ETE Cravinhos is discharged into local water bodies that ultimately drain into the Paraná River basin, one of South America's major river systems. This basin supports diverse aquatic ecosystems and is important for agriculture, industry, and drinking water supply downstream. The plant plays a key role in maintaining water quality in the region.
Environmental context
The plant discharges into the Paraná River basin, which flows through southeastern Brazil and into the Río de la Plata estuary. This basin supports a wide range of aquatic life and is critical for regional water supply. The local watershed includes agricultural areas and urban centers, making effective wastewater treatment essential to prevent nutrient pollution and protect downstream ecosystems.
Frequently asked questions
ETE Cravinhos is located in the city of Cravinhos, in the state of São Paulo, Brazil. It serves the local municipality and is situated inland, approximately 50 km from the coast.
The plant serves an estimated population of 32,381 people, classifying it as a medium-sized agglomeration under Brazilian wastewater infrastructure categories.
The treated effluent is discharged into local water bodies that are part of the Paraná River basin. The basin ultimately drains into the Río de la Plata estuary.
The plant operates under Brazilian federal regulations, including CONAMA Resolution 430/2011, which sets effluent discharge standards. State-level environmental agencies in São Paulo also enforce compliance with water quality criteria.
For medium-sized agglomerations in Brazil, secondary treatment is typically required to meet discharge standards. Common processes include activated sludge, stabilization ponds, or anaerobic systems, depending on local conditions and regulatory requirements.
Nearby plants