Overview
El Llano wastewater treatment plant serves 913 people in Nombre de Dios, Durango, Mexico. It provides secondary treatment and discharges 86.40 m³/day of treated effluent.
El Llano wastewater treatment plant is located in the municipality of Nombre de Dios, in the state of Durango, Mexico. The plant serves a small population of 913 residents, providing essential wastewater treatment for this rural community. It operates with a designed capacity of 129.60 m³/day and currently treats 86.40 m³/day of wastewater. The plant employs secondary treatment, which is the standard level required under Mexican regulations (NOM-001-SEMARNAT-1996) for discharges into national waters. Secondary treatment typically involves biological processes to remove organic matter and suspended solids, ensuring the effluent meets basic quality standards before discharge. The treated effluent is discharged into local water bodies that eventually drain into the Pacific Ocean via the Mezquital River basin. The region is semi-arid, and water resources are critical for agriculture and local ecosystems. Proper treatment helps protect downstream water quality and supports the ecological health of the area.
Environmental context
The plant discharges into the Mezquital River basin, which flows through Durango and ultimately reaches the Pacific Ocean near the state of Nayarit. This watershed supports diverse aquatic life and provides water for irrigation and livestock. The semi-arid climate makes water quality management particularly important for maintaining the ecological balance of the river system.
Frequently asked questions
El Llano wastewater treatment plant is located in the municipality of Nombre de Dios, in the state of Durango, Mexico.
The plant serves a population of 913 people, making it a small-scale facility serving a rural community.
El Llano provides secondary treatment, which typically involves biological processes to remove organic matter and suspended solids.
The plant operates under Mexican standard NOM-001-SEMARNAT-1996, which sets discharge limits for pollutants into national waters. Secondary treatment is the minimum required for most municipal discharges.
For small communities like El Llano, secondary treatment is standard. Plants often use technologies such as activated sludge, lagoons, or constructed wetlands to meet regulatory requirements.
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