Holdenville PWA WWT - Hughes County, Oklahoma Wastewater Treatment Plant

Holdenville PWA WWT is a municipal wastewater treatment plant located in Hughes County, Oklahoma, serving a population of about 4,732. The facility is situated inland, away from coastal areas, and plays a key role in managing local wastewater for the community. As a small-scale treatment plant in the United States, it operates under the Clean Water Act, which requires National Pollutant Discharge Elimination System (NPDES) permits for discharges. For plants serving fewer than 10,000 people, secondary treatment is typically mandated to protect water quality. The plant is subject to state oversight by the Oklahoma Department of Environmental Quality. The treated effluent is discharged into a local water body, likely a creek or river within the Arkansas River basin, which ultimately drains into the Mississippi River and the Gulf of Mexico. The plant's operations help protect downstream aquatic ecosystems and maintain water quality in the region.

The plant discharges into a local waterway within the Arkansas River basin, which flows into the Mississippi River and eventually the Gulf of Mexico. This watershed supports diverse aquatic life and is important for regional water quality. The plant's treatment helps reduce nutrient and pollutant loads, protecting downstream habitats.