HANSTON WWTP - Advanced Wastewater Treatment in Hanston, Kansas

HANSTON WWTP is a municipal wastewater treatment plant located in Hanston, Hodgeman County, Kansas, United States. The facility serves a small population of 259 residents, reflecting its role in a rural community. As an advanced treatment plant, it employs processes that go beyond secondary treatment to achieve higher effluent quality, which is typical for facilities in sensitive watersheds or those subject to stringent state regulations. The plant has a designed capacity of 151.42 units and currently handles a discharge volume of 98.42 units, indicating operational headroom. Under the U.S. Clean Water Act, such facilities operate under National Pollutant Discharge Elimination System (NPDES) permits issued by the Kansas Department of Health and Environment, which set limits on pollutants to protect receiving waters. The treated effluent is discharged into a local watercourse that ultimately drains into the Arkansas River basin, a major tributary of the Mississippi River system. This connection underscores the plant's role in safeguarding downstream water quality across state lines.

The treated effluent from HANSTON WWTP enters a local stream that flows into the Arkansas River, which traverses Kansas, Oklahoma, and Arkansas before joining the Mississippi River. The Arkansas River basin supports diverse aquatic life and provides water for irrigation, recreation, and municipal supply. The plant's advanced treatment helps reduce nutrient loading and other pollutants, protecting the ecological health of this important river system and its downstream reservoirs.