Overview
Colonia Dieciocho de Marzo wastewater treatment plant serves 913 people in Nayarit, Mexico, with secondary treatment. It discharges 86.40 m³/day of treated wastewater, supporting local water quality.
Colonia Dieciocho de Marzo is a municipal wastewater treatment plant located in Colonia 18 de marzo, Rosamorada, Nayarit, Mexico. It serves a population of 913 residents, providing essential sanitation services for this small community. The plant operates under Mexico's national water regulations, which require adequate treatment for discharges into the environment. The facility provides secondary treatment, a standard biological process that removes organic matter and suspended solids. With a designed capacity of 190.08 m³/day and an actual discharge volume of 86.40 m³/day, the plant operates below its capacity, indicating room for future growth. As a small-scale plant, it aligns with typical infrastructure for rural agglomerations in Mexico. The treated effluent is discharged into local water bodies, contributing to the health of the surrounding watershed. The plant's location inland, over 50 km from the coast, means its discharge affects freshwater systems rather than marine environments. Proper treatment helps protect downstream ecosystems and supports agricultural and domestic water uses in the region.
Environmental context
The plant discharges into local streams that drain into the Pacific Ocean via the San Pedro Mezquital River basin. This watershed supports diverse aquatic life and provides water for irrigation and local communities. Effective secondary treatment reduces nutrient and pathogen loads, helping maintain water quality in this ecologically sensitive area.
Frequently asked questions
The plant is located in Colonia 18 de marzo, Rosamorada, Nayarit, Mexico, on Calle Benito Juárez.
The plant serves a population of 913 people in the local community.
The plant discharges treated effluent into local water bodies that flow into the San Pedro Mezquital River basin, ultimately reaching the Pacific Ocean.
The plant provides secondary treatment, a biological process that removes organic matter and suspended solids, meeting Mexican regulatory standards for municipal wastewater.
The plant operates under Mexico's national water laws, which require secondary treatment for discharges to protect water quality. Small plants like this are subject to standards set by CONAGUA, the national water authority.
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