Skiatook Bird Creek WWT - Secondary Treatment Plant in Tulsa County, Oklahoma

Skiatook Bird Creek WWT is a municipal wastewater treatment plant located in Tulsa County, Oklahoma, serving a population of 2,075. The plant provides secondary treatment, a standard level for facilities of this scale in the United States, ensuring compliance with the Clean Water Act. The plant has a designed capacity of 1,324.89 megaliters per year and discharges approximately 946.35 megaliters annually. As a US facility, it operates under the National Pollutant Discharge Elimination System (NPDES) permit program, which sets effluent limits to protect water quality. Secondary treatment typically involves biological processes to reduce organic matter and suspended solids. The treated effluent is discharged into a local waterway within the Arkansas River basin, which ultimately drains into the Mississippi River and the Gulf of Mexico. The plant plays a key role in protecting downstream aquatic ecosystems and maintaining water quality in the region.

The plant discharges into a tributary of the Arkansas River, which flows into the Mississippi River and eventually the Gulf of Mexico. The local watershed supports diverse aquatic life and is part of a larger river system that provides habitat for fish and migratory birds. The plant's secondary treatment helps reduce nutrient and pollutant loads, protecting downstream water quality.