Overview
Apozol wastewater treatment plant in Zacatecas, Mexico serves about 6,000 people with secondary treatment. It discharges 658.37 cubic meters per day, operating at 95% of its designed capacity of 691.20 cubic meters per day.
The Apozol wastewater treatment plant is located in the town of Apozol, Zacatecas, Mexico. It serves a population of approximately 5,955 residents, making it a small-scale municipal facility. The plant is situated inland, more than 10 kilometers from the coast, and treats wastewater from the local community. The plant provides secondary treatment, which is the standard biological treatment process that removes organic matter and suspended solids. It has a designed capacity of 691.20 cubic meters per day and currently treats 658.37 cubic meters per day, indicating a high utilization rate. Under Mexican regulations (NOM-001-SEMARNAT-1996), secondary treatment is required for discharges into national waters, and this plant meets that standard. The treated effluent is discharged into local water bodies that eventually drain into the Pacific Ocean via the Rio Grande de Santiago and the Rio Lerma-Santiago system. The plant plays a crucial role in protecting downstream water quality and aquatic ecosystems in the region.
Environmental context
The plant discharges into the Rio Grande de Santiago basin, which flows westward through Jalisco and into the Pacific Ocean near San Blas, Nayarit. This watershed supports diverse aquatic life and is an important water source for agriculture and communities downstream. The secondary treatment provided by the plant helps reduce organic pollution and nutrient loading, protecting the ecological health of the river system and the coastal zone.
Frequently asked questions
The Apozol wastewater treatment plant is located in the town of Apozol, in the state of Zacatecas, Mexico. Its address is Privada de los Estrada, Apozol, Zacatecas, 99780.
The plant serves approximately 5,955 residents, making it a small-scale municipal wastewater treatment facility.
The plant provides secondary treatment, which is a biological process that removes organic matter and suspended solids. This level of treatment is standard for municipal plants in Mexico under NOM-001-SEMARNAT-1996.
The treated effluent from the plant flows into the Rio Grande de Santiago basin, which eventually reaches the Pacific Ocean. The plant helps protect the water quality of this river system and downstream coastal areas.
The plant operates under Mexican standard NOM-001-SEMARNAT-1996, which sets limits for pollutants in wastewater discharges into national waters. Secondary treatment is required for municipal plants of this scale.
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