BENTLEY WWTP - Secondary Wastewater Treatment in Sedgwick County, Kansas

BENTLEY WWTP is a municipal wastewater treatment plant located in Sedgwick County, Kansas, United States. The facility serves a small population of 274 residents, reflecting its role in a rural or suburban community. As a secondary treatment plant, it provides biological treatment to reduce organic matter and suspended solids before discharge. The plant's designed capacity is 151.42 megaliters, with an annual discharge volume of 113.56 megaliters, indicating operational headroom. Under the U.S. Clean Water Act, secondary treatment is the minimum standard for municipal wastewater, and plants of this scale typically operate under National Pollutant Discharge Elimination System (NPDES) permits issued by the Kansas Department of Health and Environment. These permits set effluent limits to protect receiving water quality. The treated effluent from BENTLEY WWTP is discharged into local waterways that ultimately drain into the Arkansas River basin, part of the Mississippi River watershed. The plant's operations help maintain water quality in this agriculturally important region, supporting downstream aquatic ecosystems and recreational uses.

BENTLEY WWTP discharges into tributaries of the Arkansas River, which flows through Kansas and Oklahoma before joining the Mississippi River system. The Arkansas River basin supports diverse aquatic life and is a critical water resource for irrigation and municipal supply in the central United States. The plant's secondary treatment helps reduce nutrient and organic loads, protecting downstream water quality in this agriculturally intensive region.