Overview
Calixto Contreras wastewater treatment plant serves 913 people in General Calixto Contreras, Durango, Mexico. It provides secondary treatment and discharges 86.40 cubic meters per day.
The Calixto Contreras wastewater treatment plant is located in General Calixto Contreras, a locality in the municipality of Guadalupe Victoria, Durango, Mexico. The plant serves a small population of 913 residents, making it a small-scale municipal facility in the semi-arid region of northern Mexico. The plant operates with secondary treatment, which is the standard biological treatment required under Mexican regulations (NOM-001-SEMARNAT-1996) for municipal wastewater before discharge. Its designed capacity is 552.96 cubic meters per day, with an actual discharge volume of 86.40 cubic meters per day, indicating it operates well below capacity. The treated effluent is discharged into the local watershed, which ultimately drains into the Nazas River basin, an important hydrological system in the Durango region. The Nazas River flows into the Laguna District, supporting agricultural irrigation and local ecosystems in this arid landscape.
Environmental context
The plant discharges into the Nazas River basin, which flows through the semi-arid Durango region before reaching the Laguna District, an important agricultural area. The downstream environment supports diverse aquatic life and provides water for irrigation, making proper wastewater treatment critical to prevent nutrient loading and protect water quality in this water-scarce region.
Frequently asked questions
The plant is located in General Calixto Contreras, a locality in the municipality of Guadalupe Victoria, Durango, Mexico.
The plant serves a population of 913 residents, classifying it as a small-scale municipal wastewater facility.
The plant discharges treated effluent into the local watershed, which flows into the Nazas River basin, ultimately reaching the Laguna District.
The plant provides secondary treatment, which is the standard biological treatment required under Mexican regulations for municipal wastewater.
Small plants like Calixto Contreras operate under NOM-001-SEMARNAT-1996, which sets maximum permissible limits for pollutants in wastewater discharges to protect water bodies.
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