Mount Vernon WWTP | Secondary Treatment Facility in Mount Vernon, Texas

Mount Vernon WWTP is a municipal wastewater treatment facility located in Mount Vernon, Texas, serving a population of approximately 2,506 residents. The plant operates under the regulatory framework of the US Clean Water Act, which requires secondary treatment for municipal wastewater discharges to surface waters. The plant provides secondary treatment, a standard level for communities of this size in the United States. Its designed capacity is 1,627.72 thousand cubic meters per year, with an actual discharge volume of 946.35 thousand cubic meters, indicating operational capacity below design levels. The facility is managed as part of the local municipal infrastructure. The treated effluent is discharged into a local water body that ultimately drains into the Mississippi River Basin, contributing to the Gulf of Mexico ecosystem. The plant plays a key role in protecting local water quality and downstream aquatic habitats in the region.

The plant discharges into a tributary of the Sulphur River, which flows into the Red River and eventually the Mississippi River, reaching the Gulf of Mexico. This watershed supports diverse aquatic life and is important for regional water quality. The plant's secondary treatment helps reduce nutrient and pollutant loads, protecting downstream ecosystems from eutrophication and habitat degradation.