427 plants indexed. Showing 401 matching current filters.
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.
ONARGA STW is an advanced wastewater treatment plant in Onarga, Illinois, serving 1,368 people. It has a designed capacity of 946.35 m³/day and discharges 662.45 m³/day of treated effluent.
ONEIDA NORTH LAGOON is a secondary wastewater treatment plant serving 465 people in Knox County, Illinois. It discharges treated effluent into local waterways under US EPA and Illinois EPA regulations.
ORIENT STP is a secondary treatment plant serving Orient, Illinois, with a population equivalent of 296. It discharges 132.49 thousand gallons per day and has a designed capacity of 177.91 thousand gallons per day.
ORION STP is an advanced wastewater treatment plant in Orion, Illinois, serving a population of 1,995. It discharges treated water into local waterways, supporting environmental health in the region.
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.