427 plants indexed.
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.
Spoon Valley Lake Sanitary District is a secondary treatment plant in Knox County, Illinois, serving 550 people. It discharges treated wastewater into local waterways, supporting the Spoon River basin.
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.
Springerton STP is a secondary treatment plant serving 181 people in White County, Illinois. It discharges 37.85 m³/day of treated wastewater and has a designed capacity of 75.71 m³/day.
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.
Stillman Valley New WWTP is an advanced treatment plant serving 1,624 people in Von Glen Acres, Illinois. It is projected to discharge 757.08 cubic meters per day into the local watershed.
Stillman Valley STP and Coll System is an advanced wastewater treatment plant serving 1,217 people in Stillman Valley, Illinois. It discharges 416.40 units of treated wastewater daily.
Stockton STW is an advanced wastewater treatment plant in Stockton, Illinois, serving approximately 1,884 residents. It discharges treated water into local waterways, supporting the region's environmental health.
Tamaroa Lagoon is a secondary treatment plant serving 856 residents in Tamaroa, Illinois. It discharges 189.27 megaliters annually and has a designed capacity of 302.83 megaliters.
TAMMS WWTP is a secondary treatment plant serving 603 people in Tamms, Illinois. It discharges 227.13 megaliters of treated wastewater annually, with a designed capacity of 340.69 megaliters.
Tampico STP is a secondary wastewater treatment plant serving 772 residents in Tampico, Illinois. It discharges treated effluent into local waterways under U.S. EPA NPDES regulations.
Thebes STP is a secondary wastewater treatment plant serving 455 people in Thebes, Illinois. It discharges 151.42 cubic meters per day into the local watershed, with a designed capacity of 227.12 cubic meters per day.
TILDEN STP is a secondary wastewater treatment plant serving Tilden, Illinois, USA. It treats wastewater for approximately 1,032 residents with a designed capacity of 420.18 volume units.
TOLUCA STP is an advanced wastewater treatment plant serving Toluca, Illinois. It treats 529.96 thousand cubic meters annually with a designed capacity of 757.08 thousand cubic meters.
TONICA STP is an advanced wastewater treatment plant serving 685 people in Ticona, Illinois. It discharges 492.10 units of treated water daily, with a designed capacity of 454.25 units.
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.
TRENTON STP is an advanced wastewater treatment plant in Trenton, Illinois, serving a population of 2,685. It discharges 946.35 megaliters annually and has a designed capacity of 2,044.12 megaliters.
Tuscola North WWTP is a secondary treatment plant in Tuscola, Illinois, serving approximately 4,279 people. It discharges treated wastewater into the local watershed, ultimately draining toward the Mississippi River basin.
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.
The Village of Table Grove WWTP_Coll Sys in Fulton County, Illinois, serves 374 residents with secondary treatment. It discharges 272.55 units of treated wastewater daily, operating under US EPA NPDES regulations.