ETE Miranda I Wastewater Treatment Plant - Miranda, Mato Grosso do Sul, Brazil

ETE Miranda I is a wastewater treatment plant located in Miranda, a municipality in the state of Mato Grosso do Sul, Brazil. The plant serves a population of approximately 4,367 residents, placing it in the small agglomeration category. It is situated in the Centro-Oeste region, an area characterized by the Pantanal wetlands and the Paraguay River basin. As a Brazilian treatment facility, ETE Miranda I operates under the national environmental regulations set by the Conselho Nacional do Meio Ambiente (CONAMA) and the state environmental agency of Mato Grosso do Sul. For small agglomerations, typical treatment requirements include secondary treatment to reduce organic load and pathogens before discharge. It is expected to meet the standards for effluent quality as per Brazilian legislation. The treated effluent from ETE Miranda I is likely discharged into a local watercourse that drains into the Miranda River, a tributary of the Paraguay River. This river system is part of the larger Paraná-Paraguay basin, which flows into the Rio de la Plata estuary. The downstream environment includes the Pantanal, one of the world's largest tropical wetlands, which supports diverse aquatic life and is ecologically sensitive to nutrient pollution.

The plant's discharge ultimately reaches the Miranda River, a tributary of the Paraguay River, which flows through the Pantanal region. The Pantanal is a vast floodplain ecosystem that supports high biodiversity, including migratory birds, fish, and the jaguar. Nutrient inputs from wastewater can affect water quality and aquatic habitats, making proper treatment essential for preserving this sensitive environment.