Overview
La Estrella wastewater treatment plant in Zacatecas, Mexico provides secondary treatment for a small community of 913 people, with a designed capacity of 129.60 volume units.
La Estrella is a wastewater treatment plant located in the town of La Estrella, within the municipality of Pinos, Zacatecas, Mexico. The plant serves a small population of 913 residents, reflecting its role in a rural or semi-urban setting. As a secondary treatment facility, it employs biological processes to reduce organic matter and suspended solids, meeting basic environmental standards for wastewater discharge. The plant has a designed capacity of 129.60 volume units and currently treats a daily flow of 86.40 volume units, indicating operational headroom. In Mexico, wastewater treatment plants are regulated under the Federal Law for Water Pollution Prevention and Control (Ley Federal para la Prevención y Control de la Contaminación del Agua) and NOM-001-SEMARNAT-1996, which sets discharge limits for pollutants. For small communities, secondary treatment is typical and aligns with national standards for protecting water quality. The treated effluent from La Estrella is discharged into local water bodies that ultimately drain into the interior basins of central Mexico. The region's semi-arid climate makes water resources particularly sensitive to pollution. Proper treatment helps safeguard local streams and groundwater, supporting agricultural and ecological needs in the area.
Environmental context
The plant discharges into local watercourses that are part of the endorheic basins of the Mexican Altiplano, where water does not reach the sea but accumulates in inland lakes or evaporates. This closed-basin environment means pollutants can concentrate, making effective treatment critical. The surrounding ecosystem supports arid-adapted vegetation and wildlife, and the plant's secondary treatment helps prevent eutrophication and contamination of scarce water resources.
Frequently asked questions
La Estrella wastewater treatment plant is located in the town of La Estrella, in the municipality of Pinos, Zacatecas, Mexico.
The plant serves a population of 913 people, making it a small-scale facility for a rural community.
The treated effluent is discharged into local water bodies that drain into the endorheic basins of the Mexican Altiplano, where water does not flow to the ocean.
La Estrella provides secondary treatment, which uses biological processes to remove organic matter and suspended solids, meeting Mexican standards for wastewater discharge.
The plant operates under Mexico's Federal Water Law and NOM-001-SEMARNAT-1996, which set discharge limits. Secondary treatment is appropriate for its small population and helps protect local water quality.
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