Barrio de San Juan Wastewater Treatment Plant, Coyotepec, Estado de México

Barrio de San Juan is a wastewater treatment plant located in Coyotepec, Estado de México, Mexico. It serves a population of 4,564 and operates with secondary treatment, a standard level for municipal wastewater in Mexico. The plant has a designed capacity of 864.00 volume units and discharges 432.00 volume units daily, indicating it operates at about half its capacity. As a secondary treatment facility, Barrio de San Juan meets the basic requirements under Mexican environmental regulations (NOM-001-SEMARNAT) for municipal wastewater, which mandate secondary treatment for discharges into national waters. The plant's capacity and population served align with typical small-scale municipal plants in the region. The plant's treated effluent likely discharges into local water bodies that drain into the Gulf of Mexico via the Pánuco River basin or nearby systems. This contributes to protecting downstream ecosystems, including wetlands and coastal areas, from untreated sewage pollution. The plant plays a key role in maintaining water quality in the densely populated Estado de México region.

Barrio de San Juan discharges into local watercourses that are part of the Pánuco River basin, which flows into the Gulf of Mexico. This watershed supports diverse aquatic life and provides water for agriculture and human use in the region. The plant's secondary treatment helps reduce organic pollutants and pathogens, protecting downstream ecosystems and communities from contamination.