Aquiles Serdán Wastewater Treatment Plant, Pantelhó, Chiapas, Mexico

Aquiles Serdán is a wastewater treatment plant located in Pantelhó, Chiapas, Mexico. It serves a small community of 1,369 people, providing secondary treatment to manage domestic wastewater. The plant has a designed capacity of 155.52 cubic meters per day and currently discharges 129.60 cubic meters daily, indicating it operates below its full capacity. As a secondary treatment facility, Aquiles Serdán removes organic matter and suspended solids through biological processes. In Mexico, wastewater treatment plants are regulated by the National Water Commission (CONAGUA) under the Federal Water Rights Law. Plants serving small populations like this are typically required to meet basic effluent standards to protect water quality in receiving environments. The treated effluent from Aquiles Serdán is discharged into local waterways that drain into the Grijalva River basin, one of Mexico's largest river systems. The Grijalva River flows through Chiapas and Tabasco before emptying into the Gulf of Mexico. This watershed supports diverse aquatic life and provides water for agriculture and communities downstream. Proper treatment at this plant helps reduce pollution loads in the basin.

The plant discharges into the Grijalva River basin, which flows through Chiapas and Tabasco to the Gulf of Mexico. This watershed is ecologically significant, supporting diverse freshwater species and providing habitat for migratory birds. Downstream areas include wetlands and coastal zones that rely on good water quality for fisheries and ecosystem health.