Overview
San Pedro Cholul is a secondary wastewater treatment plant serving 4,746 people in Cholul, Yucatán, Mexico. It discharges 449.28 m³/day of treated effluent within 50 km of the coast.
San Pedro Cholul is a municipal wastewater treatment plant located in Cholul, a locality within the municipality of Mérida, Yucatán, Mexico. The plant serves a population of approximately 4,746 residents, classifying it as a small-scale facility in the region. The plant provides secondary treatment, which is the standard biological treatment required under Mexican regulations (NOM-001-SEMARNAT-1996) for municipal wastewater. With a designed capacity of 1,080 m³/day and a current discharge volume of 449.28 m³/day, the facility operates well below its capacity, indicating potential for future growth or seasonal variations. The treated effluent is discharged into the local hydrological system, which ultimately drains into the Gulf of Mexico. The Yucatán Peninsula is characterized by karst topography, making groundwater particularly vulnerable to contamination. The plant plays a crucial role in protecting the region's aquifer and downstream coastal ecosystems.
Environmental context
The plant discharges into the Yucatán Peninsula's karst aquifer system, which feeds into the Gulf of Mexico via coastal springs and underground rivers. This region supports diverse aquatic life and is an important migratory corridor for birds. The proximity to the coast (within 50 km) means that any nutrient or pathogen breakthrough could affect marine ecosystems, including seagrass beds and coral reefs.
Frequently asked questions
The plant is located on Calle 21 in Cholul, a locality within the municipality of Mérida, Yucatán, Mexico.
The plant serves approximately 4,746 residents, making it a small-scale municipal facility.
The treated effluent is discharged into the local karst aquifer system, which ultimately drains into the Gulf of Mexico via underground rivers and coastal springs.
The plant provides secondary treatment, which is the standard biological treatment required under Mexican regulations for municipal wastewater.
The plant operates under Mexico's NOM-001-SEMARNAT-1996, which sets discharge limits for municipal wastewater. For small plants like this, secondary treatment is typically sufficient to meet standards.
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