Tulsa Northside WWT - Major Wastewater Treatment Plant in Tulsa, Oklahoma

Tulsa Northside WWT is a major wastewater treatment facility located in Tulsa, Oklahoma, serving an estimated population of 180,016. Situated in the Oil Capital Historic District, the plant is a key component of the city's water infrastructure, handling a significant portion of Tulsa's municipal wastewater. As a large-scale facility serving over 150,000 people, Tulsa Northside WWT is subject to the US Clean Water Act's National Pollutant Discharge Elimination System (NPDES) permitting program. Under this framework, the plant is required to meet secondary treatment standards, which typically involve biological treatment processes to reduce organic matter and suspended solids. The facility's capacity and treatment processes are designed to comply with federal and state regulations. The plant discharges treated wastewater into the Arkansas River watershed, which flows through Oklahoma and eventually joins the Mississippi River. The Arkansas River supports diverse aquatic life and provides water for irrigation, recreation, and municipal use downstream. Proper treatment at this plant is essential for protecting water quality in the river and the broader Mississippi River basin.

Tulsa Northside WWT discharges into the Arkansas River, a major tributary of the Mississippi River. The Arkansas River flows through Oklahoma and Arkansas, supporting diverse aquatic ecosystems and providing water for communities downstream. The plant's operations are critical for maintaining water quality in this ecologically significant river system, which hosts a variety of fish species and migratory birds.