Overview
San Pablo Huixtepec wastewater treatment plant serves the community of San Pablo Huixtepec in Oaxaca, Mexico. It provides secondary treatment for a population of 2,738.
The San Pablo Huixtepec wastewater treatment plant is located in the town of San Pablo Huixtepec, Oaxaca, Mexico. It serves a population of approximately 2,738 people, providing essential wastewater treatment for this community in the southern region of the country. The plant operates with secondary treatment, which is the standard level required for municipal wastewater in Mexico under the national water regulations (NOM-001-SEMARNAT-1996). With a designed capacity of 432 cubic meters per day and a current discharge volume of 259.2 cubic meters per day, the facility is operating below its full capacity, indicating room for future growth. The treated effluent from the plant is discharged into the local watershed, which ultimately drains into the Pacific Ocean via the Atoyac River basin. This region is ecologically significant, supporting diverse aquatic life and agricultural activities downstream. Proper treatment helps protect water quality in this sensitive environment.
Environmental context
The plant discharges into the Atoyac River basin, which flows through the Central Valleys of Oaxaca and eventually reaches the Pacific Ocean. This watershed supports local agriculture and biodiversity, including fish species and riparian vegetation. The secondary treatment provided by the plant helps reduce organic pollutants and suspended solids, protecting downstream water quality and ecosystem health.
Frequently asked questions
The plant is located on Calle Abasolo in San Pablo Huixtepec, Oaxaca, Mexico, in the Central Valleys region.
The plant serves a population of 2,738 people in the community of San Pablo Huixtepec.
The plant provides secondary treatment, which typically involves biological processes to remove organic matter and suspended solids before discharge.
In Mexico, wastewater treatment plants must comply with NOM-001-SEMARNAT-1996, which sets maximum permissible limits for pollutants in treated wastewater discharges.
For small communities like San Pablo Huixtepec (under 10,000 people), secondary treatment is common and sufficient to meet national standards for protecting water quality.
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