Temosachi Wastewater Treatment Plant, San Isidro de Lomas, Chihuahua, Mexico

Temosachi is a wastewater treatment plant located in San Isidro de Lomas, within the municipality of Temósachic in the state of Chihuahua, Mexico. It serves a small population of 91 residents, reflecting its role in a rural or semi-rural community. The plant operates with secondary treatment, which is a standard biological process that removes organic matter and suspended solids from wastewater. With a designed capacity of 51.84 cubic meters per day and a current discharge volume of 8.64 cubic meters per day, the plant operates well below its capacity. In Mexico, wastewater treatment plants are regulated under the National Water Law (Ley de Aguas Nacionales) and NOM-001-SEMARNAT-1996, which sets discharge limits for pollutants. For small communities, secondary treatment is typically sufficient to meet these standards. The plant's treated effluent is discharged into local water bodies, contributing to the protection of the region's water resources. Chihuahua's arid climate makes water reuse and quality management particularly important. The plant helps safeguard downstream ecosystems and supports the sustainability of the local watershed.

Temosachi discharges treated wastewater into local streams that eventually drain into the Rio Conchos basin, a major tributary of the Rio Grande (Rio Bravo). This river system supports diverse aquatic life and provides water for agriculture and communities in northern Mexico. The arid Chihuahuan Desert environment makes the preservation of water quality critical for maintaining ecological balance and preventing contamination of scarce water resources.