427 plants indexed. Showing 416 matching current filters.
NEWARK STP is a secondary treatment plant serving Newark, Illinois, with a designed capacity of 1,078.84 m³/day and an average discharge of 302.83 m³/day.
Niantic STP is a secondary treatment plant serving 738 residents in Niantic, Illinois. It discharges 151.42 thousand cubic meters of treated wastewater annually and operates under US EPA NPDES regulations.
NORRIS STP is a secondary wastewater treatment plant serving Norris City, Illinois, with a population of 213. It discharges treated effluent into local waterways, operating under U.S. EPA and state regulations.
Odell WWTP is a secondary treatment facility serving Odell, Illinois. It treats wastewater for approximately 1,188 residents with a discharge volume of 378.54 m³/day and a designed capacity of 454.25 m³/day.
OHLMAN STP is a secondary wastewater treatment plant in Ohlman, Illinois, serving 135 people. It discharges 68.14 megaliters annually and has a designed capacity of 94.64 megaliters.
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.