Overview
Zaachila wastewater treatment plant serves Villa de Zaachila, Oaxaca, Mexico, with a population of 15,698. It operates under Mexican wastewater regulations for inland communities.
Zaachila wastewater treatment plant is located in Villa de Zaachila, Oaxaca, Mexico, serving a population of approximately 15,698 residents. The facility is part of the municipal wastewater infrastructure for this inland community in southern Mexico. As a plant serving a medium-sized agglomeration, it falls under Mexico's national wastewater standards (NOM-001-SEMARNAT-1996 and subsequent updates), which set discharge limits for pollutants based on receiving water body type. For inland plants, secondary treatment is typically required to meet these standards. The plant's treated effluent likely discharges into local waterways that drain into the Pacific Ocean via the region's river systems. The surrounding area is ecologically significant, supporting diverse aquatic life in the Oaxaca Valley watershed.
Environmental context
The plant's discharge likely enters local streams that flow through the Oaxaca Valley, eventually reaching the Pacific Ocean via the Tehuantepec River basin. This inland watershed supports agricultural activities and seasonal wetlands that provide habitat for migratory birds and native fish species. Proper treatment is essential to protect downstream water quality and ecosystem health.
Frequently asked questions
The Zaachila wastewater treatment plant is located at Calle Tetzilacaltzin, Villa de Zaachila, Oaxaca, 71313, Mexico.
The plant serves approximately 15,698 people in Villa de Zaachila and surrounding areas.
Wastewater treatment in Mexico is regulated under NOM-001-SEMARNAT-1996, which sets maximum permissible limits for pollutants in discharges to national waters. Plants serving populations over 10,000 are typically required to achieve secondary treatment.
For a plant of this scale in Mexico, secondary treatment is standard, often using activated sludge or lagoon systems to reduce organic matter and suspended solids before discharge.
The plant helps protect local streams and rivers in the Oaxaca Valley, which drain into the Pacific Ocean via the Tehuantepec River basin, supporting regional water quality and aquatic ecosystems.
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