Overview
La Raya wastewater treatment plant serves San Juan Bautista la Raya, Oaxaca, Mexico, with a population of over 273,000. It operates under Mexico's national water regulations.
La Raya is a wastewater treatment plant located in San Juan Bautista la Raya, a community within Santa Cruz Xoxocotlán, Oaxaca, Mexico. The plant serves a population of approximately 273,818, placing it in the large agglomeration category under Mexican water management standards. Its address is on Calle Francisco I. Madero in the Oaxaca region. As a major facility in Oaxaca, La Raya is subject to Mexico's federal water quality regulations, including NOM-001-SEMARNAT, which sets discharge limits for wastewater. For a plant serving over 100,000 people, secondary treatment is typically required to reduce organic matter and suspended solids. The regulatory framework ensures compliance with national standards. The plant's treated effluent likely discharges into local water bodies that drain into the Pacific Ocean via the Oaxaca coastal region. The area supports diverse aquatic life and is part of a watershed that provides water for agriculture and communities downstream. Proper treatment at La Raya helps protect these ecosystems from nutrient pollution and pathogens.
Environmental context
La Raya plant is situated in the Oaxaca Valley, where treated wastewater likely flows into the Atoyac River or its tributaries, eventually reaching the Pacific Ocean via the Laguna de Chacahua or similar coastal lagoons. The downstream environment includes ecologically sensitive wetlands and estuaries that support migratory birds and aquatic species. Effective treatment is crucial to prevent eutrophication and maintain water quality in these habitats.
Frequently asked questions
La Raya plant is located on Calle Francisco I. Madero in San Juan Bautista la Raya, within Santa Cruz Xoxocotlán, Oaxaca, Mexico.
The plant serves a population of approximately 273,818, classifying it as a large agglomeration under Mexican water management standards.
Treated effluent from La Raya likely discharges into local rivers such as the Atoyac, which flow toward the Pacific Ocean via coastal lagoons in Oaxaca.
La Raya operates under Mexico's NOM-001-SEMARNAT, which sets discharge limits for pollutants. Plants of this scale typically require secondary treatment.
For large agglomerations in Mexico, secondary treatment is standard to reduce biochemical oxygen demand and suspended solids, often using activated sludge or lagoon systems.
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