Overview
San Juan Cosalá wastewater treatment plant serves the Jalisco community near Lake Chapala, Mexico. The facility operates under Mexico's national water regulations for municipal wastewater.
San Juan Cosalá is a wastewater treatment plant located in the town of San Juan Cosalá, Jalisco, Mexico, within the Región Ciénega. The plant serves a population of approximately 9,058 residents, making it a small-to-medium agglomeration. Its location near the shores of Lake Chapala places it in a sensitive lacustrine environment. As a Mexican municipal wastewater facility, the plant is subject to the country's federal water discharge standards (NOM-001-SEMARNAT), which set limits on pollutants for discharges into national waters. For plants serving populations under 10,000, secondary treatment or equivalent is typically required to protect receiving water bodies. The plant's treated effluent likely discharges into the Lake Chapala basin, Mexico's largest freshwater lake. Lake Chapala is a critical water resource for the region, supporting agriculture, tourism, and biodiversity. The lake drains into the Santiago River, which flows westward to the Pacific Ocean. Protecting water quality in this watershed is essential for both local communities and downstream ecosystems.
Environmental context
The plant is situated within the Lake Chapala watershed, the largest natural lake in Mexico. Lake Chapala receives inflows from the Lerma River and drains into the Santiago River, which ultimately reaches the Pacific Ocean. The lake supports diverse aquatic life, including endemic fish species, and is a vital stopover for migratory birds. Maintaining water quality in this basin is crucial for regional ecological health and human use.
Frequently asked questions
The plant is located in San Juan Cosalá, a town in the municipality of Jocotepec, Jalisco, Mexico, within the Región Ciénega. Its address is on Morelos street in the town.
The plant serves approximately 9,058 residents, classifying it as a small-to-medium agglomeration under Mexican wastewater regulations.
The plant's treated effluent likely discharges into the Lake Chapala basin, Mexico's largest freshwater lake, which is part of the Lerma-Chapala-Santiago watershed.
The plant operates under Mexico's federal standard NOM-001-SEMARNAT, which sets discharge limits for pollutants into national waters. Plants of this scale are typically required to provide secondary treatment.
For agglomerations under 10,000 people, Mexican regulations generally require secondary treatment or equivalent to meet water quality standards for receiving water bodies.
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