Overview
Moline South WWTP serves approximately 43,768 residents in Moline, Illinois. The plant discharges treated wastewater into the Mississippi River basin, supporting local water quality and downstream ecosystems.
Moline South WWTP is a municipal wastewater treatment facility located in Moline, Illinois, serving a population of about 43,768. The plant is part of the city's infrastructure managed under the U.S. Clean Water Act, which sets standards for effluent quality and requires National Pollutant Discharge Elimination System (NPDES) permits for discharges into surface waters. As a medium-sized agglomeration, the plant is expected to provide at least secondary treatment under federal regulations. The facility operates within the regulatory framework of the Illinois Environmental Protection Agency, which enforces compliance with water quality standards. The plant's treated effluent is discharged into the Mississippi River watershed, which drains into the Gulf of Mexico. This river system supports diverse aquatic life and is a critical migratory corridor for birds and fish. The plant's operations help protect downstream water quality in the Mississippi River and its tributaries.
Environmental context
The plant discharges into the Mississippi River basin, which flows southward to the Gulf of Mexico. The Mississippi River is a major ecological corridor supporting diverse fish, bird, and plant species. Downstream, the river contributes to the Gulf's hypoxic zone, making nutrient removal important for regional water quality.
Frequently asked questions
Moline South WWTP is located at 2991 48th Avenue, Moline, Illinois, United States.
The plant serves approximately 43,768 residents in the Moline area.
The plant discharges treated effluent into the Mississippi River basin, which ultimately flows to the Gulf of Mexico.
The plant operates under the Clean Water Act, which requires NPDES permits for discharges. As a medium-sized facility, it must meet secondary treatment standards and comply with state water quality regulations.
Plants of this scale typically use secondary treatment processes such as activated sludge or trickling filters, followed by disinfection, to meet EPA effluent guidelines.
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