Malpica Wastewater Treatment Plant, Concordia, Sinaloa, Mexico

The Malpica wastewater treatment plant is located in the town of Malpica, within the municipality of Concordia, Sinaloa, Mexico. It serves a population of approximately 1,004 people, providing secondary treatment to manage municipal wastewater. The plant is situated inland, more than 10 kilometers from the coast, and operates under Mexico's national water regulations. With a designed capacity of 95.04 cubic meters per day, the plant operates at full capacity based on reported discharge volumes. Secondary treatment is the standard for communities of this size in Mexico, ensuring reduction of organic matter and suspended solids before discharge. The plant's operations are subject to Mexican Official Standards (NOMs) for wastewater discharge. The treated effluent is discharged into local water bodies that eventually drain into the Pacific Ocean via the region's river systems. The surrounding area is part of the Sinaloa watershed, which supports agricultural activities and diverse aquatic habitats. Proper treatment helps protect downstream water quality and ecosystems.

The plant discharges into local streams that flow into the Pacific Ocean through the Sinaloa river system. The region's watershed supports agricultural irrigation and freshwater biodiversity. Effective secondary treatment reduces nutrient and pathogen loads, safeguarding downstream water quality for both human use and aquatic life.