427 plants indexed. Showing 248 matching current filters.
Mendota STP serves approximately 12,000 residents in Mendota, Illinois. The plant operates under the U.S. Clean Water Act, which requires secondary treatment for municipal wastewater facilities.
MARSEILLES STP serves 4,600 residents in Marseilles, Illinois. The plant discharges treated wastewater into the Illinois River basin, supporting local water quality in the Mississippi River watershed.
Johnston City STP is a municipal wastewater treatment plant in Illinois, USA, serving approximately 3,540 residents. The facility operates under the US Clean Water Act's NPDES permit program.
RUSHVILLE STW serves approximately 3,229 residents in Rushville, Illinois. The plant operates under the US Clean Water Act, with NPDES permits regulating its discharge to protect local waterways.
OLNEY STP serves approximately 8,968 residents in Olney, Illinois. The plant operates under the U.S. Clean Water Act, which requires secondary treatment for municipal wastewater facilities of this scale.
Altamont STP South serves the community of Altamont, Illinois, treating municipal wastewater for a population of approximately 1,615. The plant operates under the U.S. Clean Water Act framework.
Grant Park STP serves 1,230 residents in Grant Park, Illinois. The plant operates under U.S. EPA and Illinois EPA regulations for small municipal wastewater systems.
MANTENO VILLAGE OF wastewater treatment plant serves Manteno, Illinois, USA. It treats wastewater for approximately 8,400 residents under the US Clean Water Act framework.
Momence STP is a municipal wastewater treatment plant serving approximately 3,310 residents in Momence, Illinois, United States. The facility discharges treated effluent into local waterways within the Kankakee River basin.
Farmington STP serves Forty Acres, Illinois, treating wastewater for approximately 3,138 residents. The plant operates under the U.S. Clean Water Act, with oversight from state and federal environmental agencies.
Red Bud STP serves approximately 3,700 residents in Red Bud, Illinois. The plant operates under the U.S. Clean Water Act, ensuring treated wastewater meets federal standards before discharge.
Monticello STP and Collection System serves approximately 5,365 residents in Monticello, Illinois. The plant treats municipal wastewater and discharges into the local watershed within the Upper Mississippi River Basin.
Sycamore North WWTP serves approximately 26,000 residents in Sycamore, Illinois, as part of the municipal wastewater infrastructure. The plant operates under U.S. EPA and Illinois EPA regulations.
Cortland Town of wastewater treatment plant serves approximately 4,000 residents in Cortland, Illinois. The facility operates under U.S. Clean Water Act regulations, ensuring treated effluent meets environmental standards.
Metropolis STP serves approximately 7,867 residents in Metropolis, Illinois. The plant operates under the U.S. Clean Water Act, which requires secondary treatment for municipal wastewater facilities.
Carlyle STP and Collection System serves approximately 3,500 residents in Carlyle, Illinois. The plant operates under the U.S. Clean Water Act, which governs wastewater treatment standards for municipal facilities.
Mount Olive North STP serves approximately 3,073 residents in Mount Olive, Illinois. The plant operates under U.S. Clean Water Act regulations for municipal wastewater treatment.
Brighton STP serves approximately 2,254 residents in Brighton, Illinois. The plant operates under the US Clean Water Act's NPDES permit program, ensuring treated effluent meets federal water quality standards.
Carlinville STP is a municipal wastewater treatment plant serving approximately 5,900 residents in Carlinville, Illinois. The facility operates under the U.S. Clean Water Act framework.
BENLD STP is a municipal wastewater treatment plant serving 1,740 people in Macoupin County, Illinois, United States. It operates under the US Clean Water Act framework.
UtilityRadar indexes 427 wastewater treatment plants in Illinois, with treatment level, capacity, operator and discharge data on each record.