ANDALE WWTP - Secondary Wastewater Treatment in Sedgwick County, Kansas

ANDALE WWTP is a municipal wastewater treatment facility located in Sedgwick County, Kansas, serving a small population of 726 residents. The plant provides secondary treatment, which is the standard level for small communities in the United States under the Clean Water Act. The plant has a designed capacity of 302.83 thousand cubic meters per year and discharges approximately 287.69 thousand cubic meters of treated wastewater annually. As a US facility, it operates under the National Pollutant Discharge Elimination System (NPDES) permit program, which sets effluent limits to protect water quality. The treated effluent is discharged into a local waterway that ultimately drains into the Arkansas River basin. The plant plays a key role in protecting local streams and groundwater from untreated sewage, supporting the ecological health of the region's aquatic habitats.

The plant discharges into a tributary of the Arkansas River, which flows through Kansas and Oklahoma before joining the Mississippi River. The local watershed supports agricultural activities and provides habitat for fish and wildlife. Proper wastewater treatment helps prevent nutrient pollution and maintains water quality for downstream communities and ecosystems.