Presa El Cedazo Wastewater Treatment Plant, Aguascalientes, Mexico

Presa El Cedazo is a wastewater treatment plant located in Aguascalientes, Mexico, serving a population of approximately 16,330 residents. The plant is situated in the municipality of Aguascalientes, within the state of Aguascalientes, and plays a key role in managing municipal wastewater for this urban area. As a facility serving a medium-sized agglomeration, Presa El Cedazo is subject to Mexico's federal water quality standards, which are enforced by the National Water Commission (CONAGUA). These regulations require adequate treatment to protect public health and the environment, with secondary treatment typically expected for communities of this scale. The plant's treated effluent is discharged into the local watershed, which ultimately drains into the Rio San Pedro and then into the Rio Grande de Santiago, a major river system flowing into the Pacific Ocean. This downstream connection underscores the plant's importance in safeguarding water quality in the region's rivers and coastal ecosystems.

Presa El Cedazo discharges into the Rio San Pedro, a tributary of the Rio Grande de Santiago, which flows into the Pacific Ocean. The watershed supports diverse aquatic life and provides water for agricultural and urban uses downstream. Proper treatment is essential to prevent nutrient loading and contamination that could affect these ecosystems.