Camotlán de Miraflores I Wastewater Treatment Plant, Colima, Mexico

Camotlán de Miraflores I is a municipal wastewater treatment plant located in Camotlán de Miraflores, within the municipality of Manzanillo, Colima, Mexico. The plant serves a small population of approximately 1,000 residents, reflecting its role in a rural or peri-urban community. It is situated near the Pacific coast, less than 10 kilometers from the ocean, which influences its environmental considerations. The plant provides secondary treatment, a standard level for small communities in Mexico under national regulations (NOM-001-SEMARNAT). It has a designed capacity of 345.60 cubic meters per day but currently treats 95.04 cubic meters daily, indicating operational headroom. Mexican wastewater treatment plants are regulated by the Federal Law for Water and the National Water Commission (CONAGUA), which sets discharge standards based on receiving water body sensitivity. The treated effluent likely discharges into a local stream or arroyo that flows toward the Pacific Ocean, given the plant's coastal proximity. The region's watershed supports diverse aquatic life and contributes to the health of coastal ecosystems, including estuaries and mangroves along the Colima coast. Proper treatment is essential to protect these sensitive marine environments from nutrient pollution and pathogens.

The plant is located within 10 km of the Pacific coast, meaning its treated effluent ultimately reaches the ocean via local drainage systems. The receiving water body is likely a small coastal stream or arroyo that flows into the Pacific, supporting estuarine and marine habitats. These coastal waters are ecologically sensitive, providing nursery grounds for fish and supporting migratory birds. Effective secondary treatment helps reduce organic load and pathogens, safeguarding water quality for both aquatic life and human use.