ETE Guarantã MT - Secondary Wastewater Treatment Plant in Guarantã do Norte, Mato Grosso

ETE Guarantã MT is a municipal wastewater treatment facility located in Guarantã do Norte, a city in the state of Mato Grosso, Brazil. The plant serves a population of approximately 12,886 people, classifying it as a medium-sized agglomeration under Brazilian sanitation standards. It operates in the Central-West region, an area characterized by tropical climate and significant agricultural activity. The plant provides secondary treatment, which is the standard level required by Brazilian regulations (CONAMA Resolution 430/2011) for inland water bodies. Secondary treatment typically involves biological processes to reduce organic matter and suspended solids. Brazilian environmental legislation mandates that such facilities comply with effluent quality standards to protect receiving waters. The treated effluent is discharged into local watercourses that drain into the Amazon River basin, given the region's proximity to the Amazon rainforest. The plant plays a crucial role in preventing untreated sewage from entering rivers that feed into the Teles Pires River, a major tributary of the Tapajós River, which ultimately flows into the Amazon River. This helps protect downstream aquatic ecosystems and communities that rely on these waters.

The plant discharges into local streams that are part of the Teles Pires River watershed, which flows into the Tapajós River and eventually the Amazon River. This region is ecologically sensitive due to its location within the Amazon rainforest biome, supporting high biodiversity and serving as a critical habitat for aquatic species. The secondary treatment helps reduce organic pollution and nutrient loading, mitigating eutrophication risks in downstream water bodies.