Genaro Codina Wastewater Treatment Plant, Zacatecas, Mexico

Genaro Codina is a wastewater treatment plant located in the municipality of Genaro Codina, Zacatecas, Mexico. It serves a population of 2,738 and provides secondary treatment, which is the standard level for communities of this size under Mexican environmental regulations (NOM-001-SEMARNAT). The plant has a designed capacity of 259.20 units and a discharge volume of 259.20 units, indicating full utilization. The plant operates under Mexico's federal water quality standards, which set discharge limits for pollutants based on the receiving water body's classification. As a secondary treatment facility, it removes organic matter and suspended solids, meeting the requirements for inland discharge. The regulatory framework ensures compliance with environmental protection goals. The treated effluent is discharged into local watercourses that drain into the Pacific Ocean via the Lerma-Santiago basin. The region's semi-arid climate makes water quality management critical for downstream ecosystems and agricultural use. The plant plays a key role in protecting local water resources and public health.

The plant discharges into the Lerma-Santiago basin, which flows westward to the Pacific Ocean. This watershed supports diverse aquatic life and provides water for irrigation in Zacatecas. The semi-arid climate means that maintaining water quality is essential for both ecological balance and human use, including agriculture and drinking water supplies downstream.