MILLTOWN STP, Town of Milltown

Overview

MILLTOWN STP is a secondary wastewater treatment plant serving 913 people in the Town of Milltown, Wisconsin. It discharges treated effluent into local waterways within the St. Croix River basin.

MILLTOWN STP (Sewage Treatment Plant) serves the Town of Milltown in Polk County, Wisconsin, United States. The facility provides secondary treatment for a population of approximately 913 residents, with a designed capacity of 340.69 volume units and an average discharge volume of 238.48 units. As a secondary treatment plant, MILLTOWN STP meets the standard requirements under the U.S. Clean Water Act, which mandates secondary treatment for municipal wastewater facilities. The plant operates under a National Pollutant Discharge Elimination System (NPDES) permit issued by the Wisconsin Department of Natural Resources, ensuring compliance with effluent limits. The treated wastewater from MILLTOWN STP discharges into local 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 providing recreational opportunities. The plant's operations help protect water quality in this ecologically significant watershed.

Environmental context

MILLTOWN STP discharges into local waterways within the St. Croix River basin, which flows south to join the Mississippi River near Prescott, Wisconsin. The St. Croix River is a federally protected National Scenic Riverway, supporting diverse fish populations and migratory birds. The plant's secondary treatment helps maintain water quality in this sensitive riverine ecosystem.

Frequently asked questions

MILLTOWN STP is located on 220th Avenue in the Town of Milltown, Polk County, Wisconsin, United States.

MILLTOWN STP serves a population of approximately 913 residents in the Town of Milltown and surrounding areas.

MILLTOWN STP discharges treated effluent into local streams that flow into the St. Croix River, a tributary of the Mississippi River.

MILLTOWN STP operates under the U.S. Clean Water Act, which requires secondary treatment for municipal wastewater. The plant is regulated through an NPDES permit issued by the Wisconsin Department of Natural Resources.

For small communities serving around 900 people, secondary treatment is standard under the Clean Water Act. Many such plants use activated sludge or lagoon systems to meet effluent limits.