Osawatomie WWTP - Miami County, Kansas Wastewater Treatment Plant

Osawatomie WWTP is a municipal wastewater treatment facility located in Miami County, Kansas, serving a population of about 5,588. The plant is situated in the eastern part of the state, near the Marais des Cygnes River basin, which ultimately drains into the Missouri River system. As a U.S. facility, the plant operates under the Clean Water Act, which requires NPDES permits for all discharges. Regulatory compliance ensures that effluent meets state and federal standards. The treated wastewater from Osawatomie WWTP is discharged into local waterways that flow into the Marais des Cygnes River, a tributary of the Missouri River. This river system supports diverse aquatic life and provides water for downstream communities. The plant plays a key role in maintaining water quality in the region, protecting both ecological health and recreational uses.

The plant discharges into the Marais des Cygnes River watershed, which flows into the Missouri River and eventually the Mississippi River. This river system supports a variety of fish and wildlife, including migratory birds. The area is part of the larger Mississippi River basin, which is ecologically significant for its biodiversity and role in nutrient cycling.