Overview
Capulálpam de Méndez wastewater treatment plant in Oaxaca, Mexico, serves 1,825 people with secondary treatment. It discharges 172.80 cubic meters per day into the local watershed.
Capulálpam de Méndez is a wastewater treatment plant located in the town of Capulálpam de Méndez, Oaxaca, Mexico. It serves a population of 1,825 residents, making it a small-scale facility focused on municipal wastewater management in a rural, mountainous region of southern Mexico. The plant provides secondary treatment, which is the standard biological process for removing organic matter and suspended solids. With a designed capacity of 172.80 cubic meters per day and a matching discharge volume, the facility operates at full capacity. Under Mexico's national water regulations (NOM-001-SEMARNAT-1996), secondary treatment is appropriate for communities of this size, ensuring compliance with discharge standards for receiving waters. The treated effluent is released into the local watershed, which ultimately drains into the Papaloapan River basin and then to the Gulf of Mexico. This region is ecologically significant, supporting diverse aquatic life and providing water resources for agriculture and communities downstream. The plant plays a key role in protecting water quality in this sensitive highland environment.
Environmental context
The plant discharges into the Papaloapan River basin, which flows through Oaxaca and Veracruz before reaching the Gulf of Mexico. This watershed supports diverse freshwater ecosystems, including fish and migratory bird species. The surrounding Sierra Norte region is known for its cloud forests and high biodiversity, making proper wastewater treatment critical to preventing nutrient pollution and protecting downstream aquatic habitats.
Frequently asked questions
The plant is located on Calle Miguel Méndez in Capulálpam de Méndez, Oaxaca, Mexico, in the Sierra Norte mountain region.
The plant serves approximately 1,825 residents of Capulálpam de Méndez and surrounding areas.
The plant uses secondary treatment, a biological process that removes organic matter and suspended solids before discharging the treated water into the local watershed.
The plant discharges into the Papaloapan River basin, which flows to the Gulf of Mexico, helping protect water quality in this ecologically diverse region.
The plant operates under Mexico's NOM-001-SEMARNAT-1996 standard, which sets discharge limits for pollutants. Secondary treatment meets the requirements for small communities like Capulálpam de Méndez.
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