427 plants indexed.
WYANET STP is a secondary treatment plant serving Wyanet, Illinois. It discharges treated wastewater into the Hennepin Canal system, which flows into the Illinois River and ultimately the Mississippi River.
Walnut STP is a secondary treatment plant serving 1,522 people in Walnut, Illinois. It discharges 643.52 thousand cubic meters annually, with a designed capacity of 813.86 thousand cubic meters.
Prophetstown STP is a secondary treatment plant serving 1,793 people in Prophetstown, Illinois. It discharges treated wastewater into local waterways, supporting the Rock River basin.
New Boston WWTP is a secondary treatment facility serving 572 residents in New Boston, Illinois. It discharges 151.42 megaliters of treated wastewater annually, operating under US EPA NPDES regulations.
Verona Wastewater is a secondary treatment plant serving 273 people in Verona, Illinois. It discharges 87.06 million gallons per year and has a designed capacity of 128.70 million gallons.
Pleasant Plains WTP is a secondary treatment plant serving 802 people in Sangamon County, Illinois. It discharges 189.27 thousand cubic meters of treated wastewater annually.
Payson Sewage Facility in Adams County, Illinois, serves 1,066 people with advanced treatment. It discharges 412.61 million liters per year, operating under US EPA NPDES regulations.
LOMBARD VILLAGE OF is a projected secondary wastewater treatment plant in Glen Ellyn, Illinois, serving 1,900 people. It discharges 906.26 units of treated effluent into the local watershed.
Sheridan SD WWTP is a secondary treatment plant in LaSalle County, Illinois, serving 846 people. It discharges 946.35 thousand cubic meters of treated wastewater annually, with a designed capacity of 1393.03 thousand cubic meters.
Spring Grove Wastewater System in Lotus Woods, Illinois, serves about 5,800 people with secondary treatment. The plant discharges treated wastewater into local waterways, supporting the Fox River basin and downstream Lake Michigan.
Hampshire WWTP in Elgin, Illinois serves 2,900 people with advanced treatment. The plant discharges 908.50 volume units daily, operating under US Clean Water Act regulations.
Maple Park STP is a secondary treatment plant serving 1,310 people in Maple Park, Illinois. It discharges 378.54 m³/day of treated wastewater into local waterways.
Wasco Sanitary District STP in Campton Hills, Illinois, provides advanced wastewater treatment for 1,685 residents. The plant discharges 639.74 thousand cubic meters annually and operates under US EPA NPDES regulations.
CLAYTON WWTP is a secondary treatment plant serving Clayton, Illinois, with a population of 1,085. It discharges 302.83 cubic meters of treated wastewater daily, operating under U.S. EPA NPDES regulations.
BUSHNELL STP WEST is a secondary treatment plant serving Bushnell, Illinois. It has a designed capacity of 946.35 m³/day and treats wastewater for approximately 1,838 residents.
MCLEAN STP is a secondary treatment plant in McLean County, Illinois, serving 874 people. It discharges 567.81 volume units daily with a designed capacity of 757.08 volume units.
Danvers STP is a secondary wastewater treatment plant serving approximately 1,191 residents in Danvers, Illinois. The facility discharges treated water into local waterways under U.S. EPA and state regulatory oversight.
Germantown Hills WWTP 2 is a secondary treatment plant serving 1,100 people in Germantown Hills, Illinois. It discharges treated wastewater into local waterways, supporting the Illinois River basin.
Germantown Hills STP 1 is an advanced wastewater treatment plant serving 1,350 people in Germantown Hills, Illinois. It discharges treated water into local waterways, supporting the Illinois River basin.
Metamora South STP is a secondary treatment plant in Woodford County, Illinois, serving 2,600 people. It discharges 681.37 thousand cubic meters of treated wastewater annually.
UtilityRadar indexes 427 wastewater treatment plants in Illinois, with treatment level, capacity, operator and discharge data on each record.
Among the indexed plants, GERMANTOWN HILLS WWTP 2 has the highest designed capacity at 4,732 m3/day.