Pueblo Nuevo Wastewater Treatment Plant, La Ciudad, Durango, Mexico

Pueblo Nuevo is a wastewater treatment plant located in La Ciudad, within the municipality of Pueblo Nuevo, Durango, Mexico. The plant provides secondary treatment and serves a population of approximately 2,959 residents. It is an inland facility, situated away from coastal areas. As a secondary treatment plant, Pueblo Nuevo meets the standard level of treatment required for municipal wastewater in Mexico. The plant has a designed capacity of 691.20 m³/day and discharges a daily volume of 345.60 m³. Mexican regulations, such as NOM-001-SEMARNAT, set discharge standards for pollutants, and secondary treatment typically achieves compliance for organic matter and suspended solids. The plant's treated effluent is discharged into local watercourses that ultimately drain into the Pacific Ocean via the Presidio River basin. The surrounding region is mountainous and forested, supporting diverse ecosystems. Proper treatment helps protect downstream water quality and aquatic habitats.

The plant discharges into local streams that feed into the Presidio River, which flows westward to the Pacific Ocean. The region's mountainous terrain and forests create sensitive watersheds that support biodiversity. Effective wastewater treatment is crucial to prevent nutrient loading and protect aquatic life in these downstream environments.