3 plants indexed.
Moline North Slope Sewage serves Rock Island, Illinois, treating wastewater for approximately 25,202 residents. The plant operates under the US Clean Water Act's NPDES permit program.
Rock Island Main STP serves 44,356 people in Rock Island, Illinois. The plant discharges treated wastewater into the Mississippi River system, supporting local water quality and downstream ecosystems.
Rock Island STP SW serves approximately 5,040 people in Rock Island, Illinois. The plant operates under the U.S. Clean Water Act, which mandates secondary treatment for municipal wastewater.