Overview
Cubiri de La Cuesta wastewater treatment plant serves 1,460 people in Sinaloa, Mexico, with secondary treatment. It discharges 138.24 cubic meters daily, operating at 94% of its 146.88 m³/day design capacity.
Cubiri de La Cuesta is a secondary-level wastewater treatment plant located in the rural community of Cubiri de la Cuesta, within the municipality of Sinaloa, Sinaloa state, Mexico. The plant serves a population of approximately 1,460 residents, reflecting its role in managing domestic wastewater for a small agglomeration in northwestern Mexico. As a secondary treatment facility, the plant provides biological treatment to reduce organic matter and suspended solids, meeting the standard requirements for municipal wastewater in Mexico under NOM-001-SEMARNAT-1996. The plant operates at 94% of its design capacity of 146.88 m³/day, with an actual discharge volume of 138.24 m³/day, indicating efficient utilization of its infrastructure. The treated effluent is discharged into the local watershed, which ultimately drains into the Pacific Ocean via the Sinaloa River basin. The plant's inland location, over 10 km from the coast, reduces direct marine impact, but its discharge contributes to the overall water quality of the region's rivers and groundwater, supporting agricultural and ecological uses downstream.
Environmental context
The plant's treated effluent flows into the Sinaloa River basin, which drains into the Pacific Ocean via the Gulf of California. This watershed supports irrigated agriculture and diverse aquatic habitats. The region's semi-arid climate makes water quality management critical for maintaining downstream ecological balance and preventing nutrient enrichment in coastal waters.
Frequently asked questions
The plant is located in Cubiri de la Cuesta, within the municipality of Sinaloa, Sinaloa state, Mexico.
The plant serves approximately 1,460 residents in the local community.
The plant discharges treated effluent into the local watershed, which flows into the Sinaloa River basin and ultimately reaches the Pacific Ocean.
The plant provides secondary treatment, which includes biological processes to reduce organic matter and suspended solids, meeting Mexican regulatory standards (NOM-001-SEMARNAT).
Mexican wastewater treatment plants operate under NOM-001-SEMARNAT, which sets discharge limits for pollutants. Plants serving small populations like this one are typically required to meet secondary treatment standards.
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