Pawnee City WWTP - Advanced Wastewater Treatment in Pawnee City, Nebraska

Pawnee City WWTP is a municipal wastewater treatment facility located in Pawnee City, Nebraska, serving a population of about 1,008 residents. The plant provides advanced treatment, ensuring high-quality effluent before discharge. With a designed capacity of 567.81 cubic meters per day and an average discharge volume of 492.10 cubic meters per day, the plant operates under the U.S. Clean Water Act, which requires NPDES permits for all point source discharges. Advanced treatment typically includes nutrient removal to protect sensitive water bodies. The treated effluent is discharged into local streams that are part of the Big Nemaha River basin, which flows into the Missouri River and ultimately the Mississippi River. This watershed supports diverse aquatic life and agricultural activities in southeastern Nebraska.

The plant discharges into tributaries of the Big Nemaha River, which flows into the Missouri River and then the Mississippi River. This watershed supports diverse aquatic habitats and is important for regional biodiversity. The advanced treatment helps reduce nutrient loading, protecting downstream water quality in the Mississippi River basin.