Overview
Cabecera Municipal is a secondary wastewater treatment plant in Chiautla, Estado de México, Mexico, serving 657 people with a design capacity of 864 m³/day and discharging 62.21 m³/day.
Cabecera Municipal is a wastewater treatment plant located in Chiautla, within the Estado de México, Mexico. It serves a small population of 657 residents, reflecting its role in managing local domestic wastewater in a semi-urban setting near the metropolitan area of Mexico City. The plant operates with secondary treatment, which is the standard biological process for removing organic matter and suspended solids. With a design capacity of 864 m³/day and an actual discharge volume of 62.21 m³/day, the facility operates well below its capacity, indicating potential for future growth or seasonal variability. Under Mexican regulations (NOM-001-SEMARNAT-1996 and subsequent updates), secondary treatment is required for discharges to national waters, and this plant complies with that standard. The treated effluent is discharged into local water bodies that ultimately drain into the Lake Texcoco system, a historically significant basin in the Valley of Mexico. This region is ecologically sensitive due to its role in groundwater recharge and as a habitat for migratory birds. The plant's operation helps protect downstream water quality in this arid to semi-arid region.
Environmental context
The plant's discharge enters the Lake Texcoco watershed, a closed basin in the Valley of Mexico that historically supported extensive wetlands. Today, the area remains important for groundwater recharge and as a stopover for migratory waterfowl. Proper secondary treatment reduces organic pollution and pathogens, safeguarding the ecological function of this sensitive basin.
Frequently asked questions
Cabecera Municipal is located in Chiautla, Estado de México, Mexico, at Avenida del Trabajo in the San Sebastián neighborhood.
The plant has a design capacity of 864 m³ per day and currently discharges about 62.21 m³ per day, serving a population of 657.
Cabecera Municipal provides secondary treatment, which involves biological processes to remove organic matter and suspended solids before discharge.
The plant operates under Mexico's NOM-001-SEMARNAT-1996, which sets maximum pollutant limits for discharges into national waters. Secondary treatment is required for most municipal plants.
The plant discharges into the Lake Texcoco basin, a historically important wetland system in the Valley of Mexico that supports groundwater recharge and migratory bird habitats.
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