Overview
La Caja wastewater treatment plant in Colima, Mexico serves 913 people with secondary treatment. It discharges 86.40 m³/day and has a designed capacity of 345.60 m³/day.
La Caja is a wastewater treatment plant located in the town of La Caja, within the municipality of Comala, Colima, Mexico. It serves a population of approximately 913 residents, making it a small-scale facility focused on local wastewater management. The plant provides secondary treatment, which is the standard biological treatment required under Mexican regulations (NOM-001-SEMARNAT-1996) for municipal wastewater before discharge. With a designed capacity of 345.60 m³/day and an actual discharge volume of 86.40 m³/day, the plant operates well below its capacity, indicating room for future growth or seasonal variations. The treated effluent is discharged into the local watershed, which ultimately drains into the Pacific Ocean via the Armería River basin. The region's tropical climate and proximity to the coast make proper wastewater treatment essential for protecting downstream aquatic ecosystems and coastal water quality.
Environmental context
The plant discharges into the Armería River basin, which flows through Colima state and empties into the Pacific Ocean near the port of Manzanillo. This coastal watershed supports diverse aquatic life and is important for local fisheries. The secondary treatment helps reduce organic pollutants and pathogens, protecting downstream ecosystems and recreational water uses.
Frequently asked questions
La Caja plant is located in the town of La Caja, in the municipality of Comala, Colima, Mexico. Its address is Calle Gustavo Díaz Ordaz, La Caja, Comala, Colima, 28452.
The plant serves a population of 913 people, making it a small-scale municipal facility.
The treated wastewater is discharged into the local watershed within the Armería River basin, which flows to the Pacific Ocean.
La Caja provides secondary treatment, which is the standard biological treatment required by Mexican regulations for municipal wastewater before discharge.
The plant operates under Mexican standard NOM-001-SEMARNAT-1996, which sets maximum permissible limits for pollutants in wastewater discharges into national waters.
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