San Francisco de Los Romo Wastewater Treatment Plant, Aguascalientes, Mexico

The San Francisco de Los Romo wastewater treatment plant is located in the city of San Francisco de Los Romo, in the state of Aguascalientes, Mexico. The facility serves a population of around 27,683, placing it in the medium agglomeration category under Mexican water management frameworks. As a plant in Mexico, it operates under the national water laws administered by CONAGUA (Comisión Nacional del Agua). Mexican regulations require secondary treatment for municipal wastewater, and plants of this scale typically employ biological treatment processes such as activated sludge or lagoon systems to meet discharge standards. The treated effluent is discharged into local water bodies that ultimately drain into the Rio Grande de Santiago basin, which flows westward to the Pacific Ocean. The plant plays a key role in protecting downstream water quality and supporting the ecological health of the region's rivers and reservoirs.

The plant discharges into the local drainage network that feeds into the Rio Grande de Santiago, a major river system in western Mexico. This river flows through the states of Aguascalientes, Jalisco, and Nayarit before emptying into the Pacific Ocean. The watershed supports diverse aquatic life and provides water for agriculture and urban use. Proper treatment is essential to prevent nutrient pollution and protect downstream ecosystems, including reservoirs and coastal areas.