427 plants indexed.
Assumption STP is a secondary treatment plant serving 1,511 people in Assumption, Illinois. It discharges 794.94 thousand gallons per day and has a designed capacity of 1,476.31 thousand gallons per day.
ATKINSON STP is a secondary treatment plant serving 1,158 people in Henry County, Illinois. It discharges 378.54 m³/day of treated wastewater into local waterways.
Augusta STP is an advanced wastewater treatment plant in Augusta, Illinois, serving 830 people. It discharges 189.27 megaliters annually with a designed capacity of 352.04 megaliters.
Aviston STP is an advanced wastewater treatment plant serving Aviston, Illinois. It treats approximately 340.69 megaliters annually with a designed capacity of 454.25 megaliters.
AVON STP is a secondary treatment plant in Fulton County, Illinois, serving 939 people. It discharges 416.40 units of treated wastewater daily, with a designed capacity of 832.79 units.
BDM Sewer Commission STP is a secondary treatment plant in Sangamon County, Illinois, serving 1,471 people. It discharges 681.37 million gallons per year into local waterways.
Bismarck wastewater treatment plant in Illinois, USA, serves a small population of 2,022 with secondary treatment. It is a projected facility with a designed capacity of 605.66 volume units.
BLUFFS STP is a secondary wastewater treatment plant serving the community of Bluffs, Illinois. It treats an average daily flow of approximately 340,690 gallons, with a designed capacity of 529,960 gallons.
BRIMFIELD SD is a secondary wastewater treatment plant in Brimfield, Illinois, serving approximately 895 people. It discharges treated effluent into local waterways, supporting the region's water quality.
Bunker Hill STP is a secondary treatment plant in Bunker Hill, Illinois, serving 1,682 people. It discharges treated wastewater into local waterways, supporting the Mississippi River basin.
BUSHNELL STP WEST is a secondary treatment plant serving Bushnell, Illinois. It has a designed capacity of 946.35 m³/day and treats wastewater for approximately 1,838 residents.
CAPRON STP is a secondary treatment plant serving 961 people in Poplar Grove, Illinois. It discharges 264.98 thousand cubic meters of treated wastewater annually, with a designed capacity of 1,135.62 thousand cubic meters.
Carrier Mills STP is a secondary treatment plant in Saline County, Illinois, serving 2,300 people. It discharges 832.79 units of treated wastewater daily, with a designed capacity of 984.20 units.
CATLIN STP is an advanced wastewater treatment plant serving Catlin, Illinois. It treats 908.50 cubic meters of wastewater daily with a designed capacity of 1,514.16 cubic meters.
Chrisman STP is an advanced wastewater treatment plant serving 1,318 people in Chrisman, Illinois. It discharges 348.26 million gallons per year and has a designed capacity of 643.52 million gallons per year.
City of Pinckneyville STP 2 is an advanced wastewater treatment plant in Pinckneyville, Illinois, serving about 5,300 people. It discharges 810.08 million gallons per year and operates under the US Clean Water Act.
CLAYTON WWTP is a secondary treatment plant serving Clayton, Illinois, with a population of 1,085. It discharges 302.83 cubic meters of treated wastewater daily, operating under U.S. EPA NPDES regulations.
Colchester WWTP is a secondary treatment plant serving 1,763 people in Colchester, Illinois. It discharges 643.52 million gallons per year and has a designed capacity of 870.64 million gallons.
COLFAX STP is a secondary wastewater treatment plant serving Colfax, Illinois. It treats approximately 877 residents with a discharge volume of 302.83 and a designed capacity of 416.39.
COWDEN STP is a secondary treatment plant serving Cowden, Illinois. It treats wastewater for a population of 474 with a designed capacity of 264.98 volume units.