427 plants indexed.
MILLEDGEVILLE STP is a secondary wastewater treatment plant serving 1,183 people in Milledgeville, Illinois. The facility has a designed capacity of 757.08 cubic meters per day and discharges treated effluent into local waterways.
Modesto Village of is a projected secondary wastewater treatment plant in Modesto, Illinois, serving a small population of 252. It discharges treated effluent into local waterways.
Morrisonville STP is an advanced wastewater treatment plant serving approximately 1,068 residents in Morrisonville, Illinois. It discharges treated water into local waterways, supporting environmental health in the region.
Mound City STP is a secondary treatment plant serving 1,030 people in Mound City, Illinois. It discharges 378.54 cubic meters of treated wastewater daily, with a designed capacity of 567.81 cubic meters.
MOUNDS STP is a secondary wastewater treatment plant in Mounds, Illinois, serving a population of 1,550. It discharges 454.25 thousand cubic meters per year and has a designed capacity of 1,135.62.
NEBO STP is a secondary wastewater treatment plant serving Nebo, Illinois, with a population of 462. It discharges 151.42 units of treated effluent daily, operating under US EPA NPDES regulations.
Neponset Wastewater in Neponset, Illinois, serves a small community of 473 people with advanced treatment. The plant discharges 302.83 million gallons per year and has a designed capacity of 408.82 million gallons.
New Athens STP is a secondary treatment plant serving 2,100 people in New Athens, Illinois. It discharges 454.25 thousand cubic meters of treated wastewater annually, with a designed capacity of 1,135.62.
New Boston WWTP is a secondary treatment facility serving 572 residents in New Boston, Illinois. It discharges 151.42 megaliters of treated wastewater annually, operating under US EPA NPDES regulations.
New Memphis SD Wastewater is an advanced treatment plant in Clinton County, Illinois, serving 350 people. It treats wastewater to high standards before discharge, supporting local water quality.
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.