Fort Towson WWT - Secondary Wastewater Treatment Plant in Oklahoma

Fort Towson WWT is a municipal wastewater treatment facility located in Fort Towson, Oklahoma, serving a population of 611. The plant provides secondary treatment, a standard level for small communities in the United States, and has a designed capacity of 340.69 megaliters per year, with an annual discharge volume of 227.13 megaliters. As a US facility, the plant operates under the Clean Water Act and is subject to National Pollutant Discharge Elimination System (NPDES) permits issued by the Oklahoma Department of Environmental Quality. These permits set effluent limits to protect water quality. Secondary treatment typically involves biological processes to reduce organic matter and suspended solids. The plant discharges treated wastewater into local waterways that ultimately drain into the Red River basin, which flows south to the Mississippi River and the Gulf of Mexico. The surrounding area is rural, with the plant playing a key role in protecting local streams and groundwater from untreated sewage.

The plant discharges into tributaries of the Red River, which flows through Oklahoma and Texas before joining the Mississippi River and emptying into the Gulf of Mexico. The local watershed supports diverse aquatic life and is important for regional water quality. The plant's secondary treatment helps reduce nutrient and pathogen loads, protecting downstream ecosystems.