427 plants indexed.
Otter Creek Lake Utility District is a secondary treatment plant serving 2,400 people in Winnebago County, Illinois. It discharges 832.79 megaliters annually with a design capacity of 1,514.16 megaliters.
PALMYRA STP is a secondary wastewater treatment plant in Palmyra, Illinois, serving 698 people. It discharges 454.25 units of treated effluent and has a designed capacity of 643.52 units.
PAW PAW STP is a secondary treatment plant serving Paw Paw, Illinois. It treats wastewater for about 926 residents with a designed capacity of 567.81 m³/day.
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.
PEARL CITY STP is a secondary treatment plant serving 665 residents in Pearl City, Illinois. It discharges 227.13 megaliters of treated wastewater annually, with a designed capacity of 302.83 megaliters.
Pembroke Township wastewater treatment plant serves Hopkins Park, Illinois, treating 825 residents' sewage to secondary level. The facility has a designed capacity of 946.35 cubic meters per day and discharges 264.98 cubic meters daily.
Petersburg STP is a secondary wastewater treatment plant serving approximately 2,973 people in Petersburg, Illinois. It discharges an average of 681,370 gallons per day into the local watershed.
Pleasant Hill WWTP is a secondary treatment facility serving approximately 1,119 people in Pleasant Hill, Illinois. The plant discharges treated wastewater into local waterways, supporting the region's water quality under the US Clean Water Act.
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.
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.
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.