Overview
Iowa City South WWTP serves approximately 60,780 residents in Iowa City, Iowa. The plant discharges treated wastewater into the local watershed, contributing to the Iowa River basin.
Iowa City South WWTP is a municipal wastewater treatment facility located in Iowa City, Johnson County, Iowa. Serving a population of around 60,780, the plant is a key component of the city's wastewater infrastructure, handling a medium-sized agglomeration under U.S. regulatory frameworks. As a U.S. facility, the plant operates under the Clean Water Act and is subject to National Pollutant Discharge Elimination System (NPDES) permits issued by the Iowa Department of Natural Resources. For a plant serving this population, secondary treatment is typically required, with potential additional nutrient removal standards to protect downstream water quality. The plant's treated effluent likely discharges into a tributary of the Iowa River, which flows southeast to join the Mississippi River. This watershed supports diverse aquatic life and is an important corridor for migratory fish. The plant's operations help maintain water quality in the Iowa River basin, which ultimately drains to the Gulf of Mexico.
Environmental context
The Iowa River flows through Iowa City and joins the Mississippi River near the Illinois border, eventually reaching the Gulf of Mexico. The watershed supports diverse aquatic habitats, including wetlands and floodplains that provide critical ecosystem services. Nutrient loading from wastewater can impact downstream water quality, making treatment standards important for the health of the Mississippi River basin.
Frequently asked questions
Iowa City South WWTP is located on Soccer Park Road in Iowa City, Johnson County, Iowa, United States.
The plant serves approximately 60,780 residents in the Iowa City area.
The plant discharges treated effluent into the local watershed, likely a tributary of the Iowa River, which flows to the Mississippi River and ultimately the Gulf of Mexico.
As a U.S. facility, the plant operates under the Clean Water Act and is regulated by an NPDES permit issued by the Iowa Department of Natural Resources, which sets discharge limits to protect water quality.
For a plant of this scale, secondary treatment is standard, often with additional nutrient removal to meet state and federal water quality standards, especially in sensitive watersheds like the Mississippi River basin.
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