Overview
Nochistlán wastewater treatment plant serves Nochistlán de Mejía, Zacatecas, Mexico, with a population of 21,218. The plant operates under Mexican wastewater regulations (NOM-001-SEMARNAT).
The Nochistlán wastewater treatment plant is located in Nochistlán de Mejía, Zacatecas, Mexico, serving a population of approximately 21,218. The facility is situated in the central highlands of Mexico, an inland region characterized by semi-arid climate and agricultural activity. As a municipal plant in Mexico, it is subject to the national standard NOM-001-SEMARNAT, which sets discharge limits for pollutants into national waters. For agglomerations of this size, secondary treatment is typically required to meet these standards. The regulatory framework ensures compliance with environmental norms. The treated effluent likely discharges into a local watercourse within the Lerma-Santiago-Pacifico hydrological basin, which ultimately drains into the Pacific Ocean. The plant plays a key role in protecting local water quality and downstream ecosystems, including the Rio Grande de Santiago and its associated reservoirs.
Environmental context
The plant is located in the Lerma-Santiago-Pacifico basin, one of Mexico's most important hydrological regions. Treated wastewater likely flows into the Rio Verde or a tributary, eventually reaching the Rio Grande de Santiago and Lake Chapala, Mexico's largest freshwater lake. This watershed supports diverse aquatic life and provides water for irrigation and human consumption downstream. Protecting water quality in this basin is critical for both ecological health and regional water security.
Frequently asked questions
The plant is located at Calle Ignacio López Rayón, Nochistlán de Mejía, Zacatecas, Mexico.
The plant serves a population of approximately 21,218 people in the municipality of Nochistlán de Mejía.
The treated effluent is discharged into a local watercourse within the Lerma-Santiago-Pacifico basin, likely flowing toward the Rio Grande de Santiago and eventually Lake Chapala.
The plant operates under Mexico's NOM-001-SEMARNAT standard, which sets maximum permissible limits for pollutants in wastewater discharges into national waters.
For agglomerations of this size, secondary treatment is typically required under Mexican regulations to meet discharge standards and protect receiving water bodies.
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