Overview
San Juan Coajomulco is a secondary wastewater treatment plant in Jocotitlán, Estado de México, serving 6,389 people. It discharges 604.80 cubic meters of treated wastewater daily.
San Juan Coajomulco wastewater treatment plant is located in Jocotitlán, Estado de México, Mexico. It serves a population of 6,389 people, classifying it as a small to medium agglomeration under Mexican wastewater regulations. The plant provides secondary treatment, which is the standard level required by Mexican law (NOM-001-SEMARNAT-1996) for municipal wastewater before discharge. It has a designed capacity of 777.60 cubic meters per day and currently treats 604.80 cubic meters daily, indicating operational headroom. The treated effluent is discharged into local water bodies that eventually drain into the Lerma River basin, a critical water source for central Mexico. The Lerma River flows into Lake Chapala, Mexico's largest freshwater lake, supporting agriculture, fisheries, and biodiversity in the region.
Environmental context
The plant's discharge enters the Lerma River basin, which flows into Lake Chapala, the largest freshwater lake in Mexico. This watershed supports diverse aquatic life and provides water for irrigation and human consumption. Protecting water quality in this basin is essential for the ecological health of Lake Chapala and downstream communities.
Frequently asked questions
The plant is located on Calle Primero de Mayo in Jocotitlán, Estado de México, Mexico.
The plant serves a population of 6,389 people.
The plant provides secondary treatment, which is the standard required by Mexican regulations for municipal wastewater.
The plant operates under Mexico's NOM-001-SEMARNAT-1996, which sets discharge limits for pollutants. Secondary treatment is mandatory for municipal plants of this scale.
The plant discharges 604.80 cubic meters of treated wastewater per day.
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