427 plants indexed. Showing 256 matching current filters.
Harvard STP serves approximately 9,000 residents in Harvard, Illinois. The plant operates under the US Clean Water Act framework, treating municipal wastewater before discharge.
Crystal Lake STP 3 serves 1,832 residents in Crystal Lake, Illinois. The plant operates under the US Clean Water Act framework for small agglomerations.
Crystal Lake STP 1&2 serves approximately 78,000 residents in Crystal Lake, Illinois. The plant operates under the U. S. Clean Water Act, which mandates secondary treatment for municipal wastewater.
Algonquin WWTF serves approximately 23,276 people in Algonquin, Illinois. The plant operates under the US Clean Water Act via NPDES permits, treating municipal wastewater before discharge.
McHenry South WWTP serves Crystal Lake, Illinois, treating wastewater for approximately 15,000 residents. The plant operates under U.S. EPA and Illinois EPA regulations for surface water discharge.
McHenry Central STP is a municipal wastewater treatment plant serving approximately 11,928 people in McHenry, Illinois. The plant operates under the US Clean Water Act and EPA NPDES permitting framework.
Fox River Grove STP is a municipal wastewater treatment plant in Illinois, USA, serving about 7,734 residents. It operates under the US Clean Water Act with a designed capacity of 1.00 million gallons per day.
Richmond Sewage TMT Plant serves 1,874 residents in Richmond, Illinois, as part of the municipal wastewater infrastructure. The facility operates under the US Clean Water Act framework.
Woodstock South STP serves approximately 12,385 residents in Woodstock, Illinois. The plant operates under U.S. EPA and Illinois EPA regulations for municipal wastewater treatment.
Woodstock North STP serves about 12,385 people in Woodstock, Illinois. The plant operates under the U.S. Clean Water Act, with treatment standards set by the Illinois Environmental Protection Agency.
East Dundee STP is a municipal wastewater treatment plant serving approximately 3,000 residents in East Dundee, Illinois. The facility operates under the U.S. Clean Water Act framework.
ST CHARLES STP serves approximately 45,614 residents in St. Charles, Illinois. The plant operates under the US Clean Water Act, treating wastewater before discharge to protect local waterways.
Carpentersville WWTP serves approximately 35,000 residents in Carpentersville, Illinois. The plant operates under the U.S. Clean Water Act, with treatment standards set by the Illinois Environmental Protection Agency.
FRWRD West STP serves approximately 22,500 people in Elgin, Illinois. The plant operates under the US Clean Water Act, discharging treated wastewater into the Fox River watershed.
ELBURN WWTP serves approximately 4,243 residents in Elburn, Illinois, as part of the village's municipal wastewater infrastructure. The plant operates under the U.S. Clean Water Act framework.
Batavia STP serves about 26,000 residents in Batavia, Illinois, treating municipal wastewater before discharge to the Fox River. The plant operates under the U.S. Clean Water Act via an NPDES permit.
Geneva STP serves approximately 19,615 residents in Geneva, Illinois, as part of the city's municipal wastewater infrastructure. The plant operates under the U.S. Clean Water Act regulatory framework.
Taylorville Sanitary District WWTP serves approximately 13,246 residents in Taylorville, Illinois. The plant is part of the municipal wastewater infrastructure for Christian County.
Galesburg Sanitary District serves approximately 39,000 people in Knox County, Illinois. The plant operates under the U.S. Clean Water Act, with NPDES permits regulating its discharge.
PERU WWTP serves the city of Peru, Illinois, treating wastewater for approximately 22,806 residents. The plant operates under the U.S. Clean Water Act framework, ensuring compliance with National Pollutant Discharge Elimination System (NPDES) standar
UtilityRadar indexes 427 wastewater treatment plants in Illinois, with treatment level, capacity, operator and discharge data on each record.
Among the indexed plants, MCHENRY CENTRAL STP has the highest designed capacity at 1 m3/day.