Burns Flat South WWT - Secondary Wastewater Treatment in Washita County, Oklahoma

Burns Flat South WWT is a municipal wastewater treatment facility located in Washita County, Oklahoma, serving a population of 891. The plant provides secondary treatment, a standard level for small communities in the United States under the Clean Water Act. The plant has a designed capacity of 378.54 cubic meters per day and operates at full capacity. As a US facility, it is subject to National Pollutant Discharge Elimination System (NPDES) permits issued by the Oklahoma Department of Environmental Quality, which set effluent limits to protect water quality. The treated effluent is discharged into local waterways that drain into the Washita River basin, eventually reaching the Red River and the Gulf of Mexico. The plant plays a role in protecting downstream aquatic ecosystems from nutrient pollution and pathogens.

The plant discharges into the Washita River watershed, which flows into the Red River and ultimately the Gulf of Mexico. This region supports diverse aquatic life and is part of a larger basin that experiences seasonal variations in flow. The secondary treatment helps reduce organic load and suspended solids, mitigating impacts on downstream water quality.