Rincon de Lopez Wastewater Treatment Plant, Rincón de López, Colima, Mexico

Rincon de Lopez is a municipal wastewater treatment plant located in Rincón de López, a locality in the municipality of Armería, Colima, Mexico. The plant serves a population of about 4,091 people, classifying it as a small-scale facility within the state's wastewater infrastructure. It is situated inland, away from coastal areas, and operates under Mexico's national water regulations. The plant provides secondary treatment, which is the standard level for municipal wastewater in Mexico under the NOM-001-SEMARNAT-1996 standard. This process typically involves biological treatment to reduce organic matter and suspended solids. The plant has a designed capacity of 864 m³/day and currently discharges 432 m³/day, indicating it operates at about 50% capacity. No specific treatment process type is recorded, but secondary treatment commonly uses activated sludge or similar biological systems. The treated effluent is discharged into local water bodies, likely contributing to the Armería River basin, which flows into the Pacific Ocean. The plant plays a role in protecting downstream ecosystems and water quality in the region, supporting agricultural and domestic water uses in the area.

The plant discharges into the Armería River basin, which drains into the Pacific Ocean near the coast of Colima. This watershed supports diverse aquatic life and is important for local agriculture and fisheries. The secondary treatment helps reduce nutrient and organic pollutant loads, mitigating eutrophication risks in downstream coastal waters.