Overview
Colonia Hidalgo 2 is a secondary wastewater treatment plant in Colonia Hidalgo, Durango, Mexico, serving a small population of 27. It discharges 2.59 units of treated wastewater, with a designed capacity matching that volume.
Colonia Hidalgo 2 is a wastewater treatment plant located in Colonia Hidalgo, within the municipality of Durango, Durango, Mexico. The plant serves a small population of 27 people, reflecting its role as a local facility for a small community. It is situated inland, more than 10 km from the coast, and operates under Mexico's national water regulations. The plant provides secondary treatment, which is a standard biological treatment process that removes organic matter and suspended solids. Its designed capacity is 2.59 units, and the current discharge volume matches this capacity, indicating full utilization. As a small-scale facility, it is subject to Mexican official standards (NOM-001-SEMARNAT-1996) that set discharge limits for pollutants based on receiving water body type. The treated effluent is discharged into a local water body, likely a stream or arroyo that drains into the larger basin of the Nazas River or the Laguna de Mayran system. This region is part of the endorheic basin of the Bolson de Mapimi, where water does not reach the sea but evaporates or infiltrates. The plant helps protect local groundwater and surface water quality in this arid region.
Environmental context
The plant discharges into a local watercourse that likely flows into the Nazas River basin, which terminates in the Laguna de Mayran, a shallow lake in the endorheic Bolson de Mapimi. This basin is ecologically sensitive due to its arid climate and limited water resources. The treated effluent supports local aquatic habitats and helps maintain water quality for downstream uses, including agriculture and wildlife.
Frequently asked questions
Colonia Hidalgo 2 is located in Colonia Hidalgo, within the municipality of Durango, Durango, Mexico. Its address is Calle Ignacio Allende, Santa Rita, Colonia Hidalgo.
The plant has a designed capacity of 2.59 units, which matches its current discharge volume, indicating full utilization. It provides secondary treatment for a small population of 27.
The plant discharges treated effluent into a local water body, likely a stream or arroyo that drains into the Nazas River basin, part of the endorheic Bolson de Mapimi system.
The plant operates under Mexican official standard NOM-001-SEMARNAT-1996, which sets maximum permissible limits for pollutants in wastewater discharges into national waters.
For very small populations, secondary treatment is common, often using technologies like septic tanks, anaerobic filters, or small package plants. These are regulated by local water authorities and must comply with federal discharge standards.
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