SUchil Wastewater Treatment Plant, Súchil, Durango, Mexico

SUchil is a municipal wastewater treatment facility located in Súchil, within the state of Durango, Mexico. The plant serves a population of around 2,208 residents, making it a small-scale treatment facility for the local 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 the standard biological treatment process required for municipal wastewater in Mexico. With a designed capacity of 1,036.80 m³/day and an actual discharge volume of 483.84 m³/day, the plant operates at about 47% capacity. This suggests it has room to accommodate future population growth or increased flows. The plant's operational status and permit details are part of the regulatory oversight by Mexican authorities. The treated effluent from SUchil is discharged into local watercourses that eventually drain into the Pacific Ocean via the region's river systems. The plant plays a key role in protecting downstream water quality and ecosystems, particularly in the arid landscape of Durango where water resources are scarce. Proper treatment helps prevent pollution and supports the ecological health of the receiving waters.

The plant discharges into local streams that flow into the San Pedro River basin, which ultimately drains into the Pacific Ocean via the Nazas River system. This region of Durango is semi-arid, so maintaining water quality in these intermittent rivers is critical for local agriculture and wildlife. The treated effluent supports base flows in dry periods, but secondary treatment must be adequate to prevent nutrient enrichment and protect downstream aquatic habitats.