Francisco I Madero Wastewater Treatment Plant, Francisco I. Madero, Zacatecas

The Francisco I Madero wastewater treatment plant is located in the municipality of Fresnillo, Zacatecas, Mexico, serving the locality of Francisco I. Madero. This facility is part of the state's wastewater infrastructure, addressing the needs of a small community with a population of 913. The plant operates under Mexico's national water regulations, which mandate treatment standards for municipal wastewater. The plant employs secondary treatment processes, which typically involve biological treatment to reduce organic matter and suspended solids. With a designed capacity of 170.21 cubic meters per day and a current discharge volume of 86.40 cubic meters per day, the facility operates below its full capacity. This scale of treatment is appropriate for the population served, ensuring compliance with Mexican environmental norms for wastewater discharge. The treated effluent is discharged into local water bodies within the interior basin of Zacatecas, ultimately contributing to the region's hydrological system. The plant plays a crucial role in protecting downstream water quality and supporting the ecological health of the surrounding arid landscape. Its operation helps prevent contamination of groundwater and surface waters, which are vital for agriculture and local communities.

The plant discharges into the interior drainage basin of Zacatecas, a semi-arid region where water resources are scarce and ecologically sensitive. The treated effluent likely flows into intermittent streams or arroyos that feed into the larger hydrological network, eventually reaching the Pacific slope via the Lerma-Santiago system. Protecting these water bodies is critical for sustaining local biodiversity and agricultural activities in the region.