Pleasanton WWTP - Secondary Treatment Plant in Linn County, Kansas

Pleasanton WWTP is a municipal wastewater treatment facility located in Linn County, Kansas, serving a population of 1,387. The plant operates under the regulatory framework of the US Clean Water Act, which requires secondary treatment for municipal wastewater discharges to surface waters. With a designed capacity of 738.15 thousand cubic meters, the plant treats an average annual volume of 526.17 thousand cubic meters. The plant provides secondary treatment, a standard level for small communities in the United States. Secondary treatment typically involves biological processes to remove organic matter and suspended solids, meeting EPA effluent guidelines. As a facility in a rural area, it plays a key role in protecting local water quality and public health. The treated effluent is discharged into a nearby waterway that drains into the Marais des Cygnes River, a tributary of the Osage River, which ultimately flows into the Missouri River and then the Mississippi River. This watershed supports diverse aquatic life and provides water for agricultural and recreational uses downstream.

The plant discharges into a local stream that feeds the Marais des Cygnes River, part of the Osage River basin. This watershed drains into the Missouri River and eventually the Mississippi River, supporting a variety of fish and wildlife. The region's aquatic ecosystems benefit from proper wastewater treatment that reduces nutrient and pathogen loads.