Overview
STAR PRAIRIE STP is an advanced wastewater treatment plant serving 731 people in Star Prairie, Wisconsin. It discharges treated water into local waterways, supporting the St. Croix River basin.
STAR PRAIRIE STP is a municipal wastewater treatment facility located in Star Prairie, Wisconsin, serving a population of 731. The plant provides advanced treatment, ensuring high-quality effluent before discharge into the local environment. With a designed capacity of 439.11 thousand gallons per day and an average discharge volume of 283.91 thousand gallons per day, the plant operates under the U.S. Clean Water Act, which requires NPDES permits for all discharges. Advanced treatment typically includes nutrient removal to protect sensitive water bodies. The plant's effluent flows into the St. Croix River watershed, a tributary of the Mississippi River. This region supports diverse aquatic life and is important for recreational use. The advanced treatment helps maintain water quality in this ecologically significant basin.
Environmental context
The plant discharges into the St. Croix River basin, which flows into the Mississippi River and ultimately the Gulf of Mexico. The St. Croix River is a National Scenic Riverway, supporting diverse fish and wildlife. Advanced treatment reduces nutrient loading, helping to prevent eutrophication downstream.
Frequently asked questions
STAR PRAIRIE STP is located on 185th Street in Star Prairie, Polk County, Wisconsin, United States.
The plant serves a population of 731 people in the Star Prairie area.
The plant discharges treated effluent into local waterways within the St. Croix River basin, which flows to the Mississippi River.
As a U.S. facility, it operates under the Clean Water Act, requiring an NPDES permit issued by the Wisconsin Department of Natural Resources.
Small plants in the U.S. often use advanced treatment to meet local water quality standards, especially in sensitive watersheds like the St. Croix River basin.
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