Overview
San Andres Zautla wastewater treatment plant serves the community of San Andrés Zautla in Oaxaca, Mexico. The facility provides secondary treatment and has a designed capacity of 518.40 cubic meters per day.
San Andres Zautla wastewater treatment plant is located in San Andrés Zautla, Oaxaca, Mexico. The facility serves a population of approximately 5,476 people, making it a small-scale municipal treatment plant in the region. The plant provides secondary treatment, which is the standard biological treatment process for removing organic matter and suspended solids. With a designed capacity of 518.40 cubic meters per day and a discharge volume matching that figure, the facility operates at full capacity. In Mexico, wastewater treatment plants are regulated under the National Water Law (Ley de Aguas Nacionales) and NOM-001-SEMARNAT-1996, which sets discharge limits for pollutants into national waters. The treated effluent is discharged into the local watershed, which ultimately drains into the Pacific Ocean via the region's river systems. The plant plays a crucial role in protecting downstream water quality and public health in the Oaxaca region.
Environmental context
The plant discharges into the local watershed in Oaxaca, which is part of the Pacific slope drainage. The receiving water body eventually flows into the Pacific Ocean, supporting diverse aquatic ecosystems along the way. The region's hydrology is influenced by seasonal rainfall, and the plant's secondary treatment helps reduce nutrient and organic loads that could otherwise contribute to eutrophication in downstream water bodies.
Frequently asked questions
The plant is located at Avenida Insurgentes in San Andrés Zautla, Oaxaca, Mexico, with coordinates 17.186000 N, -96.863000 W.
The plant serves approximately 5,476 people in the San Andrés Zautla community.
The plant provides secondary treatment, which typically involves biological processes to remove organic matter and suspended solids from wastewater.
The plant operates under Mexico's National Water Law and NOM-001-SEMARNAT-1996, which set discharge limits for pollutants. Secondary treatment is the minimum required for municipal wastewater in many areas.
The plant has a designed capacity of 518.40 cubic meters per day, which matches its current discharge volume, indicating full utilization.
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