Overview
La Presita is a secondary wastewater treatment plant serving 1,460 people in Culiacán, Sinaloa, Mexico. It discharges 138.24 cubic meters of treated effluent daily.
La Presita is a municipal wastewater treatment facility located in the La Presita neighborhood of Culiacán, Sinaloa, Mexico. The plant serves a small population of 1,460 residents, reflecting its role in a localized community within the larger Culiacán urban area. As a secondary treatment plant, it provides biological treatment to reduce organic pollutants and suspended solids before discharge. In Mexico, wastewater treatment plants are regulated under the National Water Law (Ley de Aguas Nacionales) and overseen by the National Water Commission (CONAGUA). For small-scale plants like La Presita, secondary treatment is the standard requirement to meet federal discharge standards (NOM-001-SEMARNAT-1996). The plant's designed capacity of 138.24 cubic meters per day matches its current discharge volume, indicating full utilization of its treatment capacity. The treated effluent from La Presita is discharged into the local drainage system, which ultimately flows into the Culiacán River. The Culiacán River is a major watercourse in Sinaloa, draining into the Pacific Ocean via the Gulf of California. The plant's operation helps protect downstream water quality in the river and the coastal ecosystem, supporting aquatic life and agricultural water use in the region.
Environmental context
La Presita discharges into the Culiacán River basin, which flows through the city of Culiacán and empties into the Gulf of California. The river supports diverse aquatic habitats and is important for local fisheries and agriculture. The plant's secondary treatment reduces organic load and suspended solids, helping to maintain water quality in the river and mitigate eutrophication risks in the coastal zone.
Frequently asked questions
La Presita is located in the La Presita neighborhood of Culiacán, Sinaloa, Mexico, at coordinates 24.846 N, -107.446 W.
The plant serves a population of 1,460 people, making it a small-scale municipal treatment facility.
The treated effluent is discharged into the local drainage system, which flows into the Culiacán River and eventually reaches the Gulf of California.
La Presita provides secondary treatment, which includes biological processes to reduce organic matter and suspended solids, meeting Mexican federal discharge standards (NOM-001-SEMARNAT).
The plant operates under Mexico's National Water Law, overseen by CONAGUA. For small communities, secondary treatment is the standard requirement to protect water quality in receiving water bodies.
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