427 plants indexed.
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.
Rockbridge Village of wastewater treatment plant serves 169 people in Rockbridge, Illinois, with secondary treatment. The facility discharges treated effluent into local waterways, supporting the region's environmental health.
SESSER STP is an advanced wastewater treatment plant in Sesser, Illinois, serving approximately 2,300 residents. It discharges treated water into local waterways with a capacity of 1,514 m³/day.
SHABBONA STP is a secondary treatment plant serving Waterman, Illinois, with a population equivalent of 740. It discharges approximately 265,000 gallons per day and has a designed capacity of 454,250 gallons per day.
SHANNON SWG TRT PLT is a secondary wastewater treatment plant in Shannon, Illinois, serving a population of 944. It discharges treated water into local waterways, supporting the region's environmental health.
Shawneetown STP is an advanced wastewater treatment plant in Gallatin County, Illinois, serving a population of 1,575. It discharges treated wastewater at a volume of 946.35 units, with a designed capacity of 1,854.85 units.
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.
Shumway Waste Treatment Plant is a secondary treatment facility serving 266 residents in Shumway, Illinois. It discharges 83.28 units of treated wastewater daily, with a designed capacity of 102.21 units.
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.
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.
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.