EPC SANTOS Wastewater Treatment Plant, Santos, São Paulo, Brazil

EPC SANTOS is a large-scale wastewater treatment facility located in Santos, São Paulo, Brazil, serving a population of approximately 421,880. The plant is situated in the Baixada Santista metropolitan region, a densely populated coastal area that includes the Port of Santos, the busiest port in Latin America. As a key component of the region's sanitation infrastructure, the plant plays a critical role in managing municipal wastewater from Santos and surrounding areas. Plants of this scale in Brazil are typically subject to federal regulations under CONAMA resolutions and state-level environmental licensing by CETESB (São Paulo's environmental agency). For an agglomeration serving over 400,000 people, secondary treatment is the minimum standard, and advanced treatment may be required to protect sensitive coastal waters. The plant's designed capacity is 1.00 (likely in cubic meters per second or similar unit), indicating substantial infrastructure. The treated wastewater from EPC SANTOS is discharged into the coastal waters of the Atlantic Ocean near Santos. This area is ecologically significant, supporting mangrove ecosystems, estuarine habitats, and diverse marine life. The discharge must comply with stringent effluent quality standards to minimize impacts on water quality, recreational beaches, and the Santos Estuary, which is a vital nursery ground for fish and crustaceans.

EPC SANTOS discharges treated wastewater into the Atlantic Ocean near the Santos Estuary, a dynamic coastal system that supports mangroves, seagrass beds, and diverse marine species. The estuary is a critical nursery for fish and crustaceans, and the adjacent beaches are important for tourism and recreation. The plant's effluent must meet strict quality standards to protect these sensitive ecosystems from nutrient pollution and pathogens, especially given the high population density and industrial activity in the Baixada Santista region.