Overview
Clayton STP is a secondary treatment plant serving 570 people in the Town of Clayton, Wisconsin. It discharges treated wastewater into local waterways within the St. Croix River basin.
Clayton STP is a municipal wastewater treatment plant located in the Town of Clayton, Polk County, Wisconsin. It serves a small population of 570 residents, providing secondary treatment to meet state and federal water quality standards. The plant has a designed capacity of 151.42 megaliters per year and currently treats an average daily flow of 113.56 megaliters per year. As a secondary treatment facility, it utilizes biological processes to reduce organic matter and suspended solids, complying with the U.S. Clean Water Act requirements for municipal wastewater treatment. The treated effluent is discharged into nearby streams that flow into the St. Croix River, a tributary of the Mississippi River. The St. Croix River is a National Scenic Riverway, supporting diverse aquatic life and recreational activities. The plant's operations help protect downstream water quality in this ecologically significant watershed.
Environmental context
The plant discharges into local tributaries of the St. Croix River, which flows southward to join the Mississippi River near Prescott, Wisconsin. The St. Croix River basin is ecologically sensitive, supporting diverse fish populations and migratory birds. The plant's secondary treatment helps reduce nutrient loading and protect aquatic habitats in this important river system.
Frequently asked questions
Clayton STP is located on US 63 in the Town of Clayton, Polk County, Wisconsin, United States.
The plant serves a population of 570 residents in the Town of Clayton and surrounding areas.
The plant discharges treated effluent into local streams that flow into the St. Croix River, a tributary of the Mississippi River.
Clayton STP provides secondary treatment, which uses biological processes to remove organic matter and suspended solids, meeting U.S. Clean Water Act standards.
As a municipal plant in the United States, Clayton STP operates under the Clean Water Act, with National Pollutant Discharge Elimination System (NPDES) permits issued by the Wisconsin Department of Natural Resources.
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