427 plants indexed. Showing 416 matching current filters.
Metamora North STP is a secondary treatment plant serving 1,501 people in Metamora, Illinois. It discharges 454.25 megaliters annually and has a designed capacity of 1,022.06 megaliters.
BRIMFIELD SD is a secondary wastewater treatment plant in Brimfield, Illinois, serving approximately 895 people. It discharges treated effluent into local waterways, supporting the region's water quality.
Morrisonville STP is an advanced wastewater treatment plant serving approximately 1,068 residents in Morrisonville, Illinois. It discharges treated water into local waterways, supporting environmental health in the region.
Harristown STP is a secondary treatment plant serving 1,454 people in Harristown, Illinois. It discharges treated wastewater into local waterways, operating under US EPA NPDES regulations.
WARRENSBURG STP is a secondary wastewater treatment plant in Macon County, Illinois, serving 1,562 people. It discharges 529.96 million gallons per year and has a designed capacity of 1,059.91 million gallons per year.
Niantic STP is a secondary treatment plant serving 738 residents in Niantic, Illinois. It discharges 151.42 thousand cubic meters of treated wastewater annually and operates under US EPA NPDES regulations.
MAROA STP is an advanced wastewater treatment plant serving Maroa, Illinois. It treats municipal wastewater for a population of 1,531 with a designed capacity of 1,362.74 million gallons per day.
Divernon Treatment Facility is a secondary-level municipal plant serving about 1,200 residents in Divernon, Illinois. It discharges treated wastewater into local waterways under U.S. EPA and state regulatory oversight.
Williamsville STP is a secondary treatment plant serving 1,439 people in Sangamon County, Illinois. It discharges 946.35 m³/day of treated wastewater, with a designed capacity of 1,779.14 m³/day.
BDM Sewer Commission STP is a secondary treatment plant in Sangamon County, Illinois, serving 1,471 people. It discharges 681.37 million gallons per year into local waterways.
Annawan STP is a secondary wastewater treatment plant serving 886 residents in Annawan, Illinois. It discharges 302.83 m³/day of treated effluent and has a designed capacity of 605.66 m³/day.
ATKINSON STP is a secondary treatment plant serving 1,158 people in Henry County, Illinois. It discharges 378.54 m³/day of treated wastewater into local waterways.
ORION STP is an advanced wastewater treatment plant in Orion, Illinois, serving a population of 1,995. It discharges treated water into local waterways, supporting environmental health in the region.
Winnebago STP is an advanced wastewater treatment plant in Winnebago, Illinois, serving approximately 3,500 people. It discharges treated water into local waterways, supporting the Rock River basin ecosystem.
CAPRON STP is a secondary treatment plant serving 961 people in Poplar Grove, Illinois. It discharges 264.98 thousand cubic meters of treated wastewater annually, with a designed capacity of 1,135.62 thousand cubic meters.
The Port Byron Sewers and STP is an advanced wastewater treatment plant serving 1,313 people in Port Byron, Illinois. It discharges treated water into the Mississippi River basin, supporting local water quality.
ANDALUSIA STP is a secondary wastewater treatment plant in Andalusia, Illinois, serving 1,178 people. It discharges 378.54 megaliters annually and has a designed capacity of 832.79 megaliters.
South Pekin STP is a secondary treatment plant serving 1,251 people in Tazewell County, Illinois. It discharges 473.18 million gallons per year and operates under the US Clean Water Act.
Mackinaw Village of wastewater treatment plant serves 1,621 people in Mackinaw, Illinois, with secondary treatment. The facility discharges 548.89 thousand cubic meters annually, operating under US EPA NPDES regulations.
Tremont STP is a secondary wastewater treatment plant in Tremont, Illinois, serving a population of 2,109. It discharges approximately 794.94 million gallons per year and has a designed capacity of 832.79 million gallons per year.
UtilityRadar indexes 427 wastewater treatment plants in Illinois, with treatment level, capacity, operator and discharge data on each record.
Among the indexed plants, WILLIAMSVILLE STP has the highest designed capacity at 1,779 m3/day.