Los Reyes de Juárez Wastewater Treatment Plant, Puebla, Mexico

The Los Reyes de Juárez wastewater treatment plant is located in the municipality of Los Reyes de Juárez, Puebla, Mexico. It serves a population of approximately 15,781 people, classifying it as a medium-sized agglomeration under Mexican regulatory frameworks. The plant is situated inland, more than 50 km from the coast, and its operations are subject to national standards for wastewater discharge. Under Mexican regulations, wastewater treatment plants serving populations of this scale are required to meet secondary treatment standards as per NOM-001-SEMARNAT-1996, which sets maximum permissible limits for pollutants in discharges to national waters. The regulatory framework ensures compliance with environmental quality objectives. The treated effluent is discharged into local water bodies that ultimately drain into the Gulf of Mexico via the Papaloapan River basin. This region supports diverse aquatic life and is important for local agriculture and communities. Proper treatment helps protect downstream ecosystems and water quality.

The plant discharges into local streams that are part of the Papaloapan River basin, which flows into the Gulf of Mexico. This watershed supports diverse aquatic habitats and is used for irrigation and domestic water supply. The region's ecology benefits from effective wastewater treatment that reduces nutrient loading and pathogen contamination, safeguarding both human health and biodiversity.