427 plants indexed. Showing 267 matching current filters.
Joliet Westside STP is a municipal wastewater treatment plant serving approximately 30,000 residents in Joliet, Illinois. It operates under the US Clean Water Act framework with NPDES permitting.
Kankakee River Metropolitan Agency serves approximately 64,513 people in Kankakee, Illinois. The plant discharges treated wastewater into the Kankakee River, a tributary of the Illinois River system.
Kewanee STP and Collection System serves approximately 14,143 residents in Kewanee, Illinois. The plant operates under the U.S. Clean Water Act, which requires secondary treatment for municipal wastewater.
Kirkland New WWTP is a projected wastewater treatment plant in Kirkland, Illinois, serving approximately 8,155 people. The facility will manage municipal wastewater in DeKalb County.
Knoxville STP serves approximately 3,854 residents in Knoxville, Illinois. The plant operates under the U.S. Clean Water Act, which requires secondary treatment for municipal wastewater facilities.
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.
Lake County DPW Desplaines STP serves approximately 57,971 people in Lake County, Illinois. The plant operates under U.S. EPA NPDES permits, ensuring treated effluent meets Clean Water Act standards.
Lake County DPW Mill Creek WWTP serves Old Mill Creek, Illinois, with a designed capacity of 1.00 million gallons per day. The plant treats wastewater for approximately 6,719 residents in Lake County.
Lake County DPW New Century Town serves 12,800 people in Vernon Hills, Illinois. The plant operates under US EPA NPDES permits and discharges treated wastewater into the local watershed.
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.
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.
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.
Le Roy Sewage Treatment Plant serves the village of Le Roy, Illinois, treating wastewater for approximately 3,566 residents. The plant discharges into local waterways within the Mississippi River basin.
Libertyville STP serves approximately 22,500 residents in Libertyville, Illinois. The plant discharges treated wastewater into the local watershed, ultimately draining to Lake Michigan via the Des Plaines River.
Lincoln Sewerage System serves approximately 21,920 residents in Lincoln, Illinois. The plant discharges treated wastewater into local waterways, supporting the region's water quality.
Lindenhurst STP serves approximately 14,861 residents in Lindenhurst, Illinois. The plant is part of the municipal wastewater infrastructure for Lake County.
Litchfield STP serves approximately 7,400 residents in Litchfield, Illinois. The plant operates under U.S. Clean Water Act regulations, with discharge likely to a local waterway in the Mississippi River basin.
Lockport Bonnie Brae STP North Basin serves 6,500 people in Will County, Illinois. The plant discharges treated wastewater into local waterways within the Des Plaines River watershed.