El Limoncito Wastewater Treatment Plant, Cofradía de la Loma, Sinaloa

El Limoncito is a wastewater treatment plant located in La Loma, Cofradía de la Loma, Navolato, Sinaloa, Mexico. It serves a small population of 913 residents, providing secondary treatment to municipal wastewater. The plant is situated inland, away from coastal areas, and operates as part of the local sanitation infrastructure. The plant has a designed capacity of 129.60 m³/day and currently treats 86.40 m³/day of wastewater. As a secondary treatment facility, it meets the standard requirements for organic matter and suspended solids removal. In Mexico, wastewater treatment plants are regulated under the National Water Law and NOM-001-SEMARNAT-1996, which sets discharge limits for pollutants into national waters. The treated effluent is discharged into a local water body, contributing to the protection of the surrounding environment. The plant plays a role in safeguarding the region's water resources, which ultimately drain into the Pacific Ocean via the Sinaloa river system. Its operation helps reduce pollution and supports public health in the community.

The plant discharges into a local watercourse that is part of the Sinaloa watershed, which flows into the Pacific Ocean. This region supports diverse aquatic life and is important for local agriculture and fisheries. The secondary treatment provided by El Limoncito helps reduce nutrient and organic loads, protecting downstream ecosystems from eutrophication and maintaining water quality for beneficial uses.