Overview
Linden STP is an advanced wastewater treatment plant serving 656 residents in Linden, Wisconsin. It discharges 132.49 volume units daily with a designed capacity of 227.12, operating under U.S. EPA and Wisconsin DNR regulations.
Linden STP is a municipal wastewater treatment facility located on State Highway 39 in Linden, Iowa County, Wisconsin. Serving a small population of 656, the plant provides advanced treatment to protect local water quality in this rural Midwestern community. The plant employs advanced treatment processes, exceeding the secondary treatment standard required by the U.S. Clean Water Act for facilities of this scale. With a designed capacity of 227.12 volume units and an average daily discharge of 132.49, it operates well within its capacity. As a publicly owned treatment works (POTW), it is subject to National Pollutant Discharge Elimination System (NPDES) permitting administered by the Wisconsin Department of Natural Resources. The treated effluent is discharged to a local waterway within the Upper Mississippi River Basin, which ultimately drains to the Mississippi River and the Gulf of Mexico. The plant's advanced treatment helps reduce nutrient loading, supporting downstream aquatic ecosystems and contributing to regional water quality goals.
Environmental context
The plant discharges into a tributary of the Upper Mississippi River Basin, which flows into the Mississippi River and eventually the Gulf of Mexico. This watershed supports diverse aquatic life and is part of a major migratory corridor for birds and fish. Advanced treatment at this facility helps minimize nutrient and pollutant loads, protecting downstream water quality in a region where agricultural runoff is a primary concern.
Frequently asked questions
Linden STP is located on State Highway 39 in Linden, Iowa County, Wisconsin, United States.
Linden STP serves a population of 656 residents in the village of Linden and surrounding areas.
Linden STP provides advanced treatment, which goes beyond the secondary treatment standard required by the U.S. Clean Water Act.
As a publicly owned treatment works, Linden STP operates under the U.S. Clean Water Act and is subject to National Pollutant Discharge Elimination System (NPDES) permits issued by the Wisconsin Department of Natural Resources.
Small plants like Linden STP often use advanced treatment to meet stringent water quality standards, especially in sensitive watersheds. The Clean Water Act requires secondary treatment as a minimum, but many facilities adopt advanced processes to reduce nutrients and protect downstream ecosystems.
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