Winona WWTP - Secondary Treatment Plant in Winona, Kansas

Winona WWTP is a municipal wastewater treatment facility located in Winona, Kansas, United States. The plant serves a small population of 228 residents, reflecting its role in a rural community in Logan County. As a secondary treatment plant, it provides biological treatment to reduce organic pollutants and suspended solids. The plant has a designed capacity of 113.56 units and currently discharges 75.71 units of treated wastewater, indicating operational headroom. Under the U.S. Clean Water Act, such facilities operate under National Pollutant Discharge Elimination System (NPDES) permits, which set effluent limits to protect water quality. The plant's secondary treatment level meets the standard requirements for municipal wastewater treatment in the United States. The treated effluent from Winona WWTP is discharged into a local water body, which ultimately drains into the Kansas River basin and then the Missouri River system. This watershed supports agricultural and ecological functions in the Great Plains region. The plant's operations help maintain local water quality and protect downstream aquatic habitats.

Winona WWTP discharges into a local water body that flows into the Kansas River basin, part of the larger Missouri River watershed. This region is characterized by semi-arid climate and agricultural land use. The receiving waters support diverse aquatic life and are important for irrigation and livestock watering. Proper treatment helps prevent nutrient pollution and maintains the ecological health of the downstream river system.