26,154 plants indexed worldwide.
Plants where treatment level information is not publicly available.
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.
LEBANON STP serves approximately 4,057 residents in Lebanon, Illinois. The plant operates under the US Clean Water Act, which governs wastewater treatment standards for municipal facilities.
MILLSTADT STP serves approximately 4,011 residents in Millstadt, Illinois. The plant discharges treated wastewater into local waterways under the US Clean Water Act framework.
Mascoutah City Of wastewater treatment plant serves approximately 7,750 residents in Saint Clair County, Illinois, United States. The plant operates under the US Clean Water Act framework.
Caseyville Township East wastewater plant serves 44,000 people in Shiloh, Illinois. It operates under the US Clean Water Act, discharging treated effluent to local waterways.
STOOKEY TWP PLT 3 is a municipal wastewater treatment plant serving approximately 17,500 people in Belleville, Illinois, United States. It operates under the US Clean Water Act framework.
Sauget American Bottoms Regional STP serves Cahokia, Illinois, treating wastewater for approximately 72,467 people under the U. S. Clean Water Act framework.
ST CLAIR STP serves Saint Clair County, Illinois, treating wastewater for approximately 14,253 residents. The plant operates under the US Clean Water Act framework, discharging into local waterways.
Caseyville Township West Facility serves Union Hill, Illinois, treating wastewater for approximately 5,000 residents. The plant operates under the U.S. Clean Water Act framework.
Belleville STP 1 serves approximately 52,300 residents in Belleville, Illinois, as part of the city's municipal wastewater infrastructure. The plant operates under U.S. EPA and Illinois EPA regulatory oversight.
MARISSA STP serves approximately 2,500 residents in Marissa, Illinois. The plant operates under the U.S. Clean Water Act, with NPDES permits regulating its discharge to protect local waterways.
SWANSEA STP serves approximately 18,713 people in Swansea, Illinois. The plant discharges treated wastewater into local waterways within the Mississippi River basin.
Morrison STP and Collection System serves approximately 4,300 residents in Morrison, Illinois. The plant operates under the U.S. Clean Water Act framework, managing municipal wastewater for this inland community.
GENOA CITY OF wastewater treatment plant serves Genoa, Illinois, USA. It treats municipal wastewater for approximately 7,360 residents under US EPA and state regulations.
DeKalb Sanitary District New WWTP is a projected wastewater treatment facility in DeKalb, Illinois, serving approximately 45,258 people. It will operate under US EPA NPDES 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.
Sterling Elkhorn Crk STP serves approximately 18,678 residents in Sterling, Illinois. The plant operates under the U.S. Clean Water Act framework, managing wastewater for this inland community.
Waterloo City Of wastewater treatment plant serves approximately 10,100 people in Waterloo, Illinois, United States. The facility operates under the US Clean Water Act framework.
Hamilton STP serves 3,200 residents in Hamilton, Illinois, treating municipal wastewater before discharge. The plant operates under US EPA and Illinois EPA regulations for small communities.
SULLIVAN STP serves approximately 4,334 residents in Sullivan, Illinois. The plant is part of the municipal wastewater infrastructure in Moultrie County.