Lagunillas Wastewater Treatment Plant, Michoacán, Mexico

Lagunillas wastewater treatment plant is located in the town of Lagunillas, Michoacán, Mexico. It serves a population of approximately 9,100 residents, making it a small-scale municipal facility. The plant is situated inland, away from coastal areas, and operates under Mexico's national water regulations. The plant provides secondary treatment, which is the standard biological treatment required for municipal wastewater in Mexico. It has a designed capacity of 864 cubic meters per day, matching its current discharge volume, indicating full utilization. As a small agglomeration, it aligns with typical treatment expectations for communities of this size in the region. The treated effluent is discharged into local water bodies that ultimately drain into the Lerma River basin, which flows into Lake Chapala, Mexico's largest freshwater lake. This watershed supports diverse aquatic life and is important for regional water supply and agriculture. The plant plays a key role in protecting downstream water quality.

The plant discharges into the Lerma River basin, which flows into Lake Chapala, a critical freshwater resource for western Mexico. The watershed supports diverse aquatic ecosystems and provides water for irrigation and drinking. Protecting this basin from nutrient pollution is essential to prevent eutrophication and maintain ecological balance.