427 plants indexed.
Adams County Water District is a secondary treatment plant in Adams County, Illinois, serving 842 people. It discharges 416.40 units of treated wastewater and operates under U.S. EPA NPDES regulations.
ALBERS STP is a secondary wastewater treatment plant serving Albers, Illinois. It treats municipal wastewater for a population of 907 with a designed capacity of 340.69 cubic meters per day.
ALEXIS STP is an advanced wastewater treatment plant serving 843 people in Warren County, Illinois. It discharges 734.37 units of treated effluent daily, with a designed capacity of 529.96 units.
Alhambra STP is a secondary treatment plant serving 603 people in Madison County, Illinois. It discharges 227.13 megaliters per year and has a designed capacity of 378.54 megaliters.
ALTAMONT STP NORTH is a secondary wastewater treatment plant in Altamont, Illinois, serving a population of 704. It discharges treated effluent into local waterways, supporting the Kaskaskia River basin.
Altona STP is a secondary treatment plant in Galesburg, Illinois, serving 545 people. It discharges 264.98 units of treated wastewater daily, with a designed capacity of 302.83 units.
ANDALUSIA STP is a secondary wastewater treatment plant in Andalusia, Illinois, serving 1,178 people. It discharges 378.54 megaliters annually and has a designed capacity of 832.79 megaliters.
Annawan STP is a secondary wastewater treatment plant serving 886 residents in Annawan, Illinois. It discharges 302.83 m³/day of treated effluent and has a designed capacity of 605.66 m³/day.
Ashmore Village of is a projected secondary wastewater treatment plant in Ashmore, Illinois, serving approximately 1,000 residents. The facility has a designed capacity of 378.54 cubic meters per day.
ASHTON TREATMENT SYSTEM is a secondary wastewater treatment plant in Lee County, Illinois, serving a population of 1,142. It discharges treated effluent into local waterways, supporting the region's water quality.
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.