Unidad Habitacional Ingenio Adolfo Lopez Mateos Wastewater Treatment Plant, Tuxtepec, Oaxaca

Unidad Habitacional Ingenio Adolfo Lopez Mateos is a wastewater treatment plant located in Tuxtepec, Oaxaca, Mexico. It serves a small population of 913 residents in the residential area of Ingenio Adolfo Lopez Mateos. The plant operates under Mexico's national wastewater regulations, which require secondary treatment for urban discharges to protect water quality. The plant provides secondary treatment, a standard level for municipal wastewater in Mexico, and has a designed capacity of 86.40 m³/day, with a reported discharge volume matching that capacity. This suggests the plant is operating at full capacity. As a small-scale facility, it contributes to local sanitation and environmental protection in the Tuxtepec area. The treated effluent is discharged into local water bodies that eventually drain into the Papaloapan River basin, which flows into the Gulf of Mexico. The plant plays a key role in reducing pollution in the region, supporting downstream ecosystems and water quality in the Papaloapan watershed.

The plant discharges into the Papaloapan River basin, a major watershed in southern Mexico that drains into the Gulf of Mexico. This region supports diverse aquatic life and is important for local fisheries and agriculture. The secondary treatment provided by the plant helps reduce organic pollutants and nutrients, protecting downstream water quality and the ecological health of the Gulf coastal zone.