La Junta Wastewater Treatment Plant, Chihuahua, Mexico

La Junta wastewater treatment plant is located in the town of La Junta, within the municipality of Guerrero, Chihuahua, Mexico. The facility serves a population of about 10,120 people, classifying it as a small to medium-sized municipal treatment plant in northern Mexico. As a Mexican wastewater facility, La Junta is subject to the country's federal water quality standards, including NOM-001-SEMARNAT-1996, which sets maximum permissible limits for pollutants in treated wastewater discharged to national waters. Plants of this scale typically employ secondary treatment processes such as activated sludge or stabilization ponds to meet these standards. The treated effluent from La Junta is discharged into the local watershed, which ultimately drains into the Rio Conchos basin, a major tributary of the Rio Grande (Rio Bravo). This river system supports agricultural irrigation and provides habitat for diverse aquatic species in the arid Chihuahuan Desert region.

The plant's discharge enters the Rio Conchos watershed, which flows northward to join the Rio Grande at the US-Mexico border. This river system is ecologically significant as a migratory corridor for birds and supports endemic fish species in the Chihuahuan Desert. Downstream, the Rio Grande empties into the Gulf of Mexico, making water quality management in this basin important for both regional and coastal ecosystems.