Overview
San Pedro Mixtepec II is a secondary wastewater treatment plant serving 3,862 people in San Pedro Mixtepec, Oaxaca, Mexico. It discharges treated effluent near the Pacific coast.
San Pedro Mixtepec II is a municipal wastewater treatment facility located in San Pedro Mixtepec, Oaxaca, Mexico. The plant serves a population of approximately 3,862 residents, making it a small-scale treatment facility in the region. It is situated near the Pacific coast, within 10 kilometers of the shoreline. The plant provides secondary treatment, which is the standard biological treatment stage that removes organic matter and suspended solids. With a designed capacity of 864 cubic meters per day and a discharge volume of 864 cubic meters per day, the facility operates at full capacity. Under Mexican regulations (NOM-001-SEMARNAT-1996 and subsequent updates), secondary treatment is required for municipal wastewater to meet discharge standards for receiving water bodies. The treated effluent from San Pedro Mixtepec II is discharged into the local environment, ultimately reaching the Pacific Ocean. The coastal location means the plant's discharge can affect nearshore water quality and marine ecosystems. Proper treatment is essential to protect the sensitive coastal habitats and tourism-dependent economy of the Oaxaca coast.
Environmental context
The plant discharges into the Pacific Ocean via local streams and coastal drainage. The Oaxaca coast supports diverse marine life, including coral reefs and mangrove lagoons, which are sensitive to nutrient pollution. Effective secondary treatment helps reduce the risk of eutrophication and protects the ecological health of the nearshore environment.
Frequently asked questions
San Pedro Mixtepec II is located in San Pedro Mixtepec, Oaxaca, Mexico, at Calle Benito Juarez, El Huarumbo. It is situated near the Pacific coast, within 10 kilometers of the shoreline.
The plant serves a population of approximately 3,862 people, making it a small-scale municipal wastewater treatment facility.
The plant discharges treated effluent into the local environment, which ultimately reaches the Pacific Ocean via coastal streams and drainage.
The plant provides secondary treatment, which is the standard biological treatment process required by Mexican regulations for municipal wastewater to meet discharge standards.
The plant operates under Mexico's NOM-001-SEMARNAT-1996 and related standards, which mandate secondary treatment for municipal wastewater to protect receiving water bodies, especially in coastal areas.
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