Overview
Cieneguilla wastewater treatment plant in Durango, Mexico serves 2,267 people with secondary treatment. It discharges 238.46 m³/day of treated wastewater, operating at near-designed capacity of 239.33 m³/day.
The Cieneguilla wastewater treatment plant is located in the municipality of Poanas, Durango, Mexico. It serves a small population of 2,267 residents, providing secondary treatment for municipal wastewater. The plant is situated inland, away from coastal areas, and operates as part of the local water infrastructure in the semi-arid region of northern Mexico. The plant has a designed capacity of 239.33 m³/day and currently treats approximately 238.46 m³/day, indicating near-full utilization. As a secondary treatment facility, it meets the standard requirements for municipal wastewater treatment in Mexico, which are regulated under the National Water Law (Ley de Aguas Nacionales) and NOM-001-SEMARNAT standards. These regulations set discharge limits for organic matter, solids, and other pollutants to protect water bodies. The treated effluent is discharged into a local watercourse, likely a tributary of the Nazas River basin, which drains into the Laguna de Mayrán, an endorheic basin in the Chihuahuan Desert. The plant's operation helps protect local water quality and supports the ecological health of the region's limited surface water resources.
Environmental context
The plant discharges into the Nazas River basin, which flows into the Laguna de Mayrán, a terminal lake in the Chihuahuan Desert. This endorheic basin supports a unique desert ecosystem, including migratory birds and endemic aquatic species. The region experiences arid conditions, making water quality management critical for maintaining the ecological balance of the lagoon and surrounding wetlands.
Frequently asked questions
The Cieneguilla wastewater treatment plant is located in the town of Cieneguilla, in the municipality of Poanas, Durango, Mexico.
The plant serves a population of 2,267 residents, making it a small-scale municipal treatment facility.
The treated wastewater is discharged into a local watercourse within the Nazas River basin, which ultimately drains into the Laguna de Mayrán, an endorheic lake in the Chihuahuan Desert.
The plant provides secondary treatment, which is the standard level required for municipal wastewater in Mexico under NOM-001-SEMARNAT, ensuring reduction of organic matter and solids before discharge.
The plant operates under Mexico's National Water Law and NOM-001-SEMARNAT standards, which set discharge limits for pollutants to protect water bodies. For small plants like Cieneguilla, secondary treatment is typically sufficient to meet these requirements.
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