Huay Pix Wastewater Treatment Plant, Huay-Pix, Quintana Roo, Mexico

Huay Pix is a wastewater treatment plant located in Huay-Pix, Othón P. Blanco, Quintana Roo, Mexico. It serves a small population of 858 residents, reflecting its role in a rural or peri-urban community. The plant is situated within 10 km of the Caribbean coast, making its discharge location environmentally sensitive. The plant provides secondary treatment, which is the standard biological treatment required under Mexican regulations (NOM-001-SEMARNAT-1996) for municipal wastewater. Although the designed capacity is 432.00 m³/day, the current discharge volume is 81.22 m³/day, indicating operation well below capacity. Secondary treatment typically involves biological processes such as activated sludge or trickling filters. The treated effluent is discharged into a receiving water body that ultimately drains into the Caribbean Sea. This coastal discharge requires careful management to protect marine ecosystems, including coral reefs and seagrass beds that are characteristic of the Mesoamerican Barrier Reef System. The plant's operation is subject to Mexican environmental standards that set limits on pollutants to safeguard water quality and aquatic life.

The plant's discharge enters a local watercourse that flows into the Caribbean Sea, part of the Mesoamerican Barrier Reef System, the second-largest coral reef system globally. This region supports diverse marine life, including sea turtles, fish, and coral species. The coastal environment is ecologically sensitive, and nutrient-rich discharges can contribute to eutrophication and algal blooms, threatening reef health. Proper treatment and monitoring are essential to minimize impacts on this valuable ecosystem.