Overview
CastaNos wastewater treatment plant serves the city of Castaños in Coahuila, Mexico, with secondary treatment. It has a designed capacity of 864 m³/day and serves a population of 9,127.
CastaNos wastewater treatment plant is located in Castaños, Coahuila, Mexico, serving a population of approximately 9,127 residents. The plant provides secondary treatment, a standard level for municipal wastewater in Mexico under the national water quality regulations (NOM-001-SEMARNAT-1996). The plant has a designed capacity of 864 m³/day and a reported discharge volume of 864 m³/day, indicating full utilization. As a secondary treatment facility, it removes organic matter and suspended solids, meeting the regulatory requirements for discharge into receiving waters. The plant's treated effluent is discharged into local water bodies within the Rio Bravo (Rio Grande) basin, which ultimately drains into the Gulf of Mexico. This region is semi-arid, making water quality management crucial for downstream ecosystems and agricultural water reuse.
Environmental context
The plant discharges into the Rio Bravo (Rio Grande) basin, which flows through northern Mexico and Texas before reaching the Gulf of Mexico. The downstream environment includes ecologically sensitive areas such as the Rio Grande Valley, which supports diverse aquatic life and migratory bird species. Proper wastewater treatment is essential to prevent nutrient pollution and protect these habitats.
Frequently asked questions
The CastaNos plant is located at Calle General Zuazua, Castaños, Coahuila, Mexico.
The plant serves approximately 9,127 residents in the city of Castaños.
The plant discharges treated effluent into local water bodies within the Rio Bravo (Rio Grande) basin, which flows to the Gulf of Mexico.
The plant provides secondary treatment, which is the standard level for municipal wastewater in Mexico under NOM-001-SEMARNAT-1996.
The plant operates under Mexico's national water quality regulations (NOM-001-SEMARNAT-1996), which set discharge limits for pollutants. For a plant serving about 9,000 people, secondary treatment is typically required.
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