Santo Domingo Huehuetlán Wastewater Treatment Plant, Puebla, Mexico

The Santo Domingo Huehuetlán wastewater treatment plant is located in the municipality of Huehuetlán el Grande, Puebla, Mexico. It serves a population of approximately 2,308 residents, making it a small-scale facility within the region's wastewater infrastructure. The plant provides secondary treatment, which is the standard biological treatment process for municipal wastewater. With a designed capacity and discharge volume of 293.76 cubic meters, the facility operates under Mexico's national water regulations, which require treatment to protect public health and the environment. The treated effluent is discharged into local water bodies that ultimately drain into the Balsas River basin, an important hydrological system in central Mexico. The plant plays a key role in preventing untreated sewage from affecting downstream communities and ecosystems.

The plant discharges into local streams that are part of the Balsas River basin, which flows into the Pacific Ocean. This watershed supports diverse aquatic life and agricultural activities. Proper treatment helps reduce nutrient loading and pathogen contamination, protecting both human water users and the ecological health of the river system.