Overview
Oconomowoc WWTP serves approximately 22,109 residents in Oconomowoc, Wisconsin. The facility operates under the U.S. Clean Water Act framework, treating municipal wastewater before discharge.
Oconomowoc WWTP is a municipal wastewater treatment facility located at 900 South Worthington Street in Oconomowoc, Wisconsin. Serving an estimated population of 22,109, the plant is part of the city's essential infrastructure for managing domestic and commercial wastewater. As a U.S. facility, the plant operates under the National Pollutant Discharge Elimination System (NPDES) permit program, which is authorized by the Clean Water Act. For a community of this size, secondary treatment is typically required to meet effluent limits that protect water quality. The plant's design and operation are subject to state and federal regulations to ensure compliance with discharge standards. The treated effluent from Oconomowoc WWTP is discharged into a local water body that ultimately drains into the Rock River basin and then into the Mississippi River. This watershed supports diverse aquatic life and provides recreational and ecological benefits. The plant plays a key role in protecting downstream water quality and the broader Mississippi River ecosystem.
Environmental context
The plant discharges into a tributary of the Rock River, which flows southward into the Mississippi River. This watershed supports diverse aquatic species and is an important migratory corridor for birds. The facility's operations help maintain water quality in the Rock River basin, which is used for recreation and as a drinking water source downstream.
Frequently asked questions
Oconomowoc WWTP is located at 900 South Worthington Street in Oconomowoc, Wisconsin, United States.
The plant serves approximately 22,109 residents in the city of Oconomowoc and surrounding areas.
The treated effluent is discharged into a local water body that flows into the Rock River basin, ultimately reaching the Mississippi River.
The plant operates under the U.S. Clean Water Act and is regulated through an NPDES permit issued by the Wisconsin Department of Natural Resources.
For a community of this size, secondary treatment is standard, which includes biological processes to remove organic matter and suspended solids before discharge.
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