Overview
San Martin wastewater treatment plant in Zacatecas, Mexico, serves 913 people with secondary treatment. It discharges 86.40 cubic meters per day, with a designed capacity of 259.20 cubic meters per day.
San Martin is a secondary-level wastewater treatment plant located in San Martin, Sombrerete, Zacatecas, Mexico. It serves a small population of 913 residents, reflecting its role in a rural or semi-urban community. The plant is part of Mexico's national wastewater infrastructure, which is regulated under the Federal Law for Water and the National Water Commission (CONAGUA). The plant operates with secondary treatment, which typically involves biological processes to reduce organic matter and suspended solids. Its designed capacity is 259.20 cubic meters per day, while current discharge volume is 86.40 cubic meters per day, indicating it operates below capacity. For small agglomerations like this, secondary treatment is standard under Mexican regulations, ensuring compliance with discharge standards. The treated effluent is likely discharged into a local watercourse or used for irrigation, though the specific receiving water body is not identified. The plant is located inland, over 50 km from the coast, so its discharge does not directly impact marine environments. The surrounding region in Zacatecas is semi-arid, making water reuse and quality management important for local ecosystems and agriculture.
Environmental context
The plant is situated in the semi-arid highlands of Zacatecas, within the endorheic basin of the Mexican Plateau. Treated wastewater likely flows into a local arroyo or seasonal stream that eventually drains into the Rio Grande de Santiago or the Lerma-Santiago basin, which ultimately reaches the Pacific Ocean via the Rio Santiago. The region supports diverse aquatic life adapted to intermittent flows, and the plant's secondary treatment helps protect downstream water quality for agricultural and ecological uses.
Frequently asked questions
The San Martin wastewater treatment plant is located in San Martin, Sombrerete, Zacatecas, Mexico. It serves the local community in this semi-arid region of central Mexico.
The plant serves a population of 913 people, classifying it as a small agglomeration under Mexican wastewater regulations.
The plant uses secondary treatment, which typically involves biological processes such as activated sludge or trickling filters to remove organic matter and suspended solids before discharge.
The plant operates under Mexico's Federal Law for Water and is overseen by the National Water Commission (CONAGUA). Small agglomerations like this are required to meet secondary treatment standards to protect water quality.
The plant discharges 86.40 cubic meters per day, which is well below its designed capacity of 259.20 cubic meters per day, indicating it operates with spare capacity.
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