427 plants indexed. Showing 412 matching current filters.
Creve Coeur STP serves approximately 9,500 residents in Creve Coeur, Illinois. The plant operates under the U.S. Clean Water Act, which mandates secondary treatment for municipal wastewater facilities.
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.
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.
DANVILLE STW serves approximately 57,000 residents in Danville, Illinois, as part of the city's municipal wastewater infrastructure. The plant discharges treated effluent into the Vermilion River watershed, which flows to the Wabash River and ultimat
Davis Junction WWTP serves the village of Davis Junction, Illinois, treating wastewater for approximately 591 residents. The plant operates under the U.S. Clean Water Act framework.
Decatur Sanitary District serves approximately 103,859 people in Decatur, Illinois. The plant operates under the US Clean Water Act, managing wastewater for this medium-to-large agglomeration.
Deerfield STP and Coll System serves approximately 21,000 residents in Deerfield, Illinois. The plant is located within 50 km of Lake Michigan and operates under US Clean Water Act regulations.
DeKalb Sanitary District serves approximately 55,286 people in DeKalb, Illinois. The plant operates under the US Clean Water Act, with NPDES permits regulating its discharge to protect local waterways.
Dixon Sewage Treatment serves approximately 15,876 residents in Dixon, Illinois. The plant operates under the U.S. Clean Water Act, managing wastewater for this inland community.
Downers Grove SD and COLL SYST serves 60,000 people in Downers Grove, Illinois. The plant operates under the US Clean Water Act's NPDES permit program for municipal wastewater treatment.
DU QUOIN STP serves Du Quoin, Illinois, treating wastewater for approximately 8,800 residents. The plant operates under U.S. EPA and Illinois EPA regulations, discharging treated effluent into local waterways.
DuPage County DPW Knollwood STP serves approximately 76,000 residents in Burr Ridge, Illinois. The plant is part of the regional wastewater infrastructure managed by DuPage County.
Dupo Sewage Works serves approximately 4,879 residents in Dupo, Illinois, as part of the municipal wastewater infrastructure. The plant operates under the U.S. Clean Water Act framework.
DWIGHT STP serves Dwight, Illinois, treating wastewater for approximately 4,363 residents. The plant operates under the US Clean Water Act framework, with state-issued NPDES permits governing its discharge.
E Peoria Sewage Plant No 3 serves approximately 7,000 residents in East Peoria, Illinois. The facility operates under the U.S. Clean Water Act, with discharge regulated by the Illinois Environmental Protection Agency.
EAST ALTON STP serves approximately 7,169 people in East Alton, Illinois. The plant operates under the U.S. Clean Water Act, which mandates secondary treatment for municipal wastewater facilities.
East Dubuque WWTP serves approximately 1,995 residents in East Dubuque, Illinois. The plant discharges treated wastewater into the Mississippi River, supporting local water quality and downstream ecosystems.
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.
East Moline Regional STP serves approximately 42,683 people in East Moline, Illinois. The plant operates under the U.S. Clean Water Act, which mandates secondary treatment for municipal wastewater facilities of this scale.
East Peoria Sewage TP 1 serves approximately 24,500 residents in East Peoria, Illinois. The plant operates under the U.S. Clean Water Act, with NPDES permits regulating its discharge to protect local waterways.