San Diego de Alcala Wastewater Treatment Plant, Chihuahua, Mexico

San Diego de Alcala is a wastewater treatment plant located in the municipality of Aldama, Chihuahua, Mexico. It serves a small population of 91 residents, reflecting its role in a rural or peri-urban setting. The plant is situated inland, over 10 km from the coast, and operates under Mexico's national water regulations. The plant employs secondary treatment, which typically involves biological processes to reduce organic matter and suspended solids. With a designed capacity of 34.56 cubic meters per day and a current discharge volume of 8.64 cubic meters per day, the plant has significant spare capacity. As a small-scale facility, it is subject to Mexican official standards (NOM-001-SEMARNAT) that set discharge limits for pollutants. The treated effluent is discharged into local water bodies, likely contributing to the Rio Conchos basin, which flows into the Rio Grande and ultimately the Gulf of Mexico. The plant's operation helps protect downstream ecosystems and water quality in this arid region of northern Mexico.

The plant discharges into local waterways that are part of the Rio Conchos watershed, a tributary of the Rio Grande (Rio Bravo). This basin supports diverse aquatic life and provides water for agriculture and communities in the Chihuahuan Desert. The treated effluent helps maintain water quality in this ecologically sensitive arid region, where water resources are scarce and pollution control is critical for downstream habitats.