STACYVILLE WWTP - Secondary Treatment Plant in Mitchell County, Iowa

STACYVILLE WWTP is a municipal wastewater treatment facility located in Mitchell County, Iowa, serving a small population of 469 residents. The plant operates under the regulatory framework of the U.S. Clean Water Act, which requires secondary treatment for municipal wastewater discharges to protect water quality. The plant provides secondary treatment, a standard biological process that removes organic matter and suspended solids. With a designed capacity of 605.66 units and an average daily discharge of 113.56 units, the facility operates well below its capacity, indicating room for future growth or seasonal variations. The treated effluent is discharged into local waterways that drain into the Upper Mississippi River basin. This region supports diverse aquatic life and agricultural activities, making proper wastewater treatment essential for maintaining downstream water quality and ecosystem health.

The plant discharges into tributaries of the Upper Mississippi River, which flows south to the Gulf of Mexico. The local watershed supports agricultural land use and provides habitat for fish and migratory birds. Effective secondary treatment helps reduce nutrient loading and protects downstream water quality in the Mississippi River basin.