Amatlán de Cañas Wastewater Treatment Plant, Nayarit, Mexico

The Amatlán de Cañas wastewater treatment plant is a municipal facility located in Amatlán de Cañas, Nayarit, Mexico. It serves a population of approximately 4,318 people, making it a small-scale treatment facility within the region. The plant is situated on Calle Tepic and operates under Mexico's national water regulations. The plant provides secondary treatment, which is the standard biological treatment process for removing organic matter and suspended solids. It has a designed capacity of 1,209.60 m³/day and currently treats 864.00 m³/day of wastewater. This level of treatment meets the requirements for inland discharge under Mexican environmental law (NOM-001-SEMARNAT), which sets limits for pollutants in wastewater discharged to national waters. The treated effluent is discharged into local water bodies that eventually drain into the Pacific Ocean via the Río Grande de Santiago or other nearby rivers. The plant plays a crucial role in protecting the local watershed from untreated sewage, supporting aquatic life and downstream ecosystems in the region.

The plant discharges into local waterways that flow through the Nayarit region, eventually reaching the Pacific Ocean. The area supports diverse aquatic habitats and is important for migratory birds. By providing secondary treatment, the plant helps reduce nutrient and organic pollution, safeguarding water quality in the downstream environment.