Overview
MILAN SD STP is a secondary wastewater treatment plant in Town of Johnson, Wisconsin, serving 218 people. It discharges 416.40 units of treated effluent and has a designed capacity of 526.17 units.
MILAN SD STP is a municipal wastewater treatment facility located on Beran Road in the Town of Johnson, Marathon County, Wisconsin. Serving a small population of 218, the plant provides secondary treatment to meet state and federal water quality standards under the US Clean Water Act. The plant operates with a designed capacity of 526.17 units and currently treats an average daily flow of 416.40 units. As a secondary treatment facility, it uses biological processes to remove organic matter and suspended solids, complying with EPA effluent guidelines for small communities. The treated wastewater is discharged into local waterways within the Wisconsin River basin, which ultimately drains into the Mississippi River and the Gulf of Mexico. The plant plays a key role in protecting downstream aquatic ecosystems and maintaining water quality in the region's rural watershed.
Environmental context
The plant discharges into the Wisconsin River watershed, a major tributary of the Mississippi River. This region supports diverse aquatic life, including fish species such as walleye and smallmouth bass. The treatment plant helps prevent nutrient and pathogen pollution that could impact downstream lakes and wetlands.
Frequently asked questions
MILAN SD STP is located on Beran Road in the Town of Johnson, Marathon County, Wisconsin, United States.
The plant serves a small community of 218 people.
The plant discharges treated effluent into local waterways within the Wisconsin River basin, which flows into the Mississippi River and ultimately the Gulf of Mexico.
As a US facility, MILAN SD STP operates under the Clean Water Act and is subject to EPA National Pollutant Discharge Elimination System (NPDES) permits issued by the Wisconsin Department of Natural Resources.
Small plants like MILAN SD STP typically use secondary treatment, which includes biological processes to remove organic matter and suspended solids, meeting state and federal standards for protecting water quality.
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