427 plants indexed. Showing 259 matching current filters.
White Hall STW is a municipal wastewater treatment plant serving approximately 2,922 residents in White Hall, Illinois. The facility operates under U.S. Clean Water Act regulations, ensuring treated effluent meets state and federal standards before d
CARROLTON STP serves Carrollton, Illinois, treating wastewater for approximately 3,064 residents. The plant operates under U.S. EPA and Illinois EPA regulations, discharging treated effluent to local waterways.
OREGON STP serves approximately 4,400 residents in Oregon, Illinois. The plant discharges treated wastewater into the local watershed, contributing to the Rock River basin and ultimately the Mississippi River.
MT MORRIS STP serves Mount Morris, Illinois, treating wastewater for approximately 3,272 residents. The plant operates under the US Clean Water Act's NPDES permit program.
Rochelle wastewater treatment plant serves approximately 11,267 people in Rochelle, Illinois. Located within 10 km of the coast, it discharges treated effluent into the local watershed.
POLO STP serves Buffalo Grove, Illinois, treating wastewater for approximately 2,500 residents. The plant operates under U.S. EPA and Illinois EPA regulations, ensuring compliance with Clean Water Act standards.
Morton STP 2 is a municipal wastewater treatment plant serving approximately 10,269 people in Morton, Illinois, United States. It operates under the US Clean Water Act framework.
SALEM STP serves approximately 7,863 residents in Salem, Illinois. The plant is located inland and discharges treated wastewater into local waterways, contributing to the Kaskaskia River basin.
Central City STP serves Centralia, Illinois, treating wastewater for approximately 2,529 residents. The plant operates under US EPA and Illinois EPA regulations for municipal wastewater treatment.
PRINCETON STP serves approximately 7,555 residents in Princeton, Illinois. The facility discharges treated wastewater into the local watershed, supporting the Illinois River basin.
Spring Valley STP serves approximately 5,500 residents in Spring Valley, Illinois. The plant operates under US EPA NPDES regulations for municipal wastewater treatment.
Ladd Sewage Treatment Plant serves the village of Ladd, Illinois, treating wastewater from approximately 1,988 residents. The plant discharges into local waterways within the Illinois River basin.
LaSalle East Side WWTP New Plant serves approximately 4,800 residents in LaSalle, Illinois. The facility discharges treated wastewater into the Illinois River watershed, ultimately draining to the Mississippi River.
LaSalle WWTP in Marseilles, Illinois serves approximately 12,000 people. The plant operates under the US Clean Water Act, discharging treated wastewater into the Illinois River watershed.
Lawrenceville STP serves 5,700 residents in Lawrenceville, Illinois. The plant operates under the US Clean Water Act, discharging treated wastewater into the Wabash River watershed.
The Romeoville WWTP and Collection System serves approximately 39,600 residents in Romeoville, Illinois. It operates under the U.S. Clean Water Act, which mandates secondary treatment for municipal wastewater.
Calumet WRP is a major wastewater treatment plant in Chicago, Illinois, serving over 1.1 million people. It operates under the US Clean Water Act and discharges treated effluent into the Calumet River system, which flows to Lake Michigan.
LEMONT WRP is a municipal wastewater treatment plant serving Lemont, Illinois, USA. It treats wastewater for approximately 16,000 residents and discharges into the local watershed within the Mississippi River basin.
James C Kirie WRP serves Des Plaines, Illinois, treating wastewater for approximately 287,890 people. The plant operates under the US Clean Water Act and EPA NPDES permitting framework.
John E Egan WRP serves approximately 285,000 people in Cook County, Illinois. The plant is part of the region's wastewater infrastructure, discharging treated water into local waterways.
UtilityRadar indexes 427 wastewater treatment plants in Illinois, with treatment level, capacity, operator and discharge data on each record.
Among the plants on this page, the most-referenced operator is Metropolitan Water Reclamation District of Greater Chicago (MWRD). UtilityRadar's records show 1 plant linked to this operator.
Among the indexed plants, CALUMET WRP has the highest designed capacity at 1 m3/day.