427 plants indexed. Showing 412 matching current filters.
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.
Hanna City STP is a secondary wastewater treatment plant serving 1,310 people in Hanna City, Illinois. It discharges treated effluent into local waterways, operating under US EPA and Illinois EPA regulations.
GRIDLEY STP is a secondary wastewater treatment plant serving Gridley, Illinois, with a designed capacity of 681.37 volume units and an average discharge of 492.10 volume units.
COLFAX STP is a secondary wastewater treatment plant serving Colfax, Illinois. It treats approximately 877 residents with a discharge volume of 302.83 and a designed capacity of 416.39.
ST JACOB STP is a secondary wastewater treatment plant serving St. Jacob, Illinois. It treats approximately 227 cubic meters of wastewater daily with a designed capacity of 530 cubic meters.
Alhambra STP is a secondary treatment plant serving 603 people in Madison County, Illinois. It discharges 227.13 megaliters per year and has a designed capacity of 378.54 megaliters.
Worden Wastewater Treatment System serves approximately 1,108 residents in Worden, Illinois, providing secondary treatment. The plant discharges treated effluent into local waterways, supporting downstream water quality in the Mississippi River basin
FAYETTEVILLE STP is a secondary treatment plant in Cahokia Heights, Illinois, serving 382 people. It discharges 151.42 megaliters of treated wastewater annually, operating under U.S. EPA NPDES regulations.
New Athens STP is a secondary treatment plant serving 2,100 people in New Athens, Illinois. It discharges 454.25 thousand cubic meters of treated wastewater annually, with a designed capacity of 1,135.62.
Smithton WWTP is a secondary treatment plant serving 3,700 people in Smithton, Illinois. It discharges 908.50 thousand gallons per day and has a designed capacity of 3,596.13 thousand gallons per day.
Freeburg West No 2 is an advanced wastewater treatment plant in Freeburg, Illinois, serving 2,436 people. It discharges 927.43 thousand cubic meters annually and has a designed capacity of 1,514.16 thousand cubic meters.
Freeburg East No 1 is a secondary wastewater treatment plant serving 1,269 people in Freeburg, Illinois, USA. It discharges treated effluent into local waterways under EPA NPDES regulations.
Lena Wastewater Treat Wks is an advanced treatment plant serving 2,887 people in Lena, Illinois. It discharges 870.65 thousand cubic meters annually and has a designed capacity of 2,271.24 thousand cubic meters.
OKAWVILLE STP is an advanced wastewater treatment plant in Okawville, Illinois, serving a population of 1,057. It discharges treated water into local waterways, supporting the Kaskaskia River basin.
Somonauk WWTP is an advanced treatment facility serving 1,430 people in Somonauk, Illinois. It discharges 476.96 thousand cubic meters of treated wastewater annually, with a designed capacity of 1,892.70 thousand cubic meters.
The Windsor Sewerage System serves approximately 1,178 residents in Windsor, Illinois, providing secondary treatment. The plant has a designed capacity of 567.81 and discharges 454.25 units of treated wastewater.
Fox Lake Tall Oaks STP is an advanced wastewater treatment plant in Fox Lake, Illinois, serving a population of 1,000. It discharges 567.81 thousand gallons per day and has a designed capacity of 1,892.70 thousand gallons per day.
Fisher STP is a secondary treatment plant serving Fisher, Illinois. It discharges treated wastewater into local waterways, supporting the regional water quality in the Upper Mississippi River Basin.
UtilityRadar indexes 427 wastewater treatment plants in Illinois, with treatment level, capacity, operator and discharge data on each record.
Among the indexed plants, SMITHTON WWTP has the highest designed capacity at 3,596 m3/day.