Wastewater plants in Illinois

427 plants indexed. Showing 40 matching current filters.

40 plants matching filters

SESSER STP

Sesser, Illinois

SESSER STP is an advanced wastewater treatment plant in Sesser, Illinois, serving approximately 2,300 residents. It discharges treated water into local waterways with a capacity of 1,514 m³/day.

Advanced 2,317

City of Pinckneyville STP 2

Pinckneyville, Illinois

City of Pinckneyville STP 2 is an advanced wastewater treatment plant in Pinckneyville, Illinois, serving about 5,300 people. It discharges 810.08 million gallons per year and operates under the US Clean Water Act.

Advanced 5,316

CHRISMAN STP

Chrisman, Illinois

Chrisman STP is an advanced wastewater treatment plant serving 1,318 people in Chrisman, Illinois. It discharges 348.26 million gallons per year and has a designed capacity of 643.52 million gallons per year.

Advanced 1,318

WITT STP

Witt, Illinois

WITT STP is an advanced wastewater treatment plant serving Witt, Illinois, with a design capacity of 492.10 units and a discharge volume of 416.40 units. It treats wastewater for approximately 1,000 residents.

Advanced 1,000

FINDLAY STP

Findlay, Illinois

FINDLAY STP is an advanced wastewater treatment plant in Findlay, Illinois, serving a population of 806. It discharges 189.27 megaliters per year and has a designed capacity of 454.25 megaliters.

Advanced 806

TOLUCA STP

Toluca, Illinois

TOLUCA STP is an advanced wastewater treatment plant serving Toluca, Illinois. It treats 529.96 thousand cubic meters annually with a designed capacity of 757.08 thousand cubic meters.

Advanced 1,329

New Memphis SD Wastewater

Clinton County, Illinois

New Memphis SD Wastewater is an advanced treatment plant in Clinton County, Illinois, serving 350 people. It treats wastewater to high standards before discharge, supporting local water quality.

Advanced 350

Neponset Wastewater

Neponset, Illinois

Neponset Wastewater in Neponset, Illinois, serves a small community of 473 people with advanced treatment. The plant discharges 302.83 million gallons per year and has a designed capacity of 408.82 million gallons.

Advanced 473

Stillman Valley New WWTP

Von Glen Acres, Illinois

Stillman Valley New WWTP is an advanced treatment plant serving 1,624 people in Von Glen Acres, Illinois. It is projected to discharge 757.08 cubic meters per day into the local watershed.

Advanced 1,624

Stillman Valley STP and Coll System

Stillman Valley, Illinois

Stillman Valley STP and Coll System is an advanced wastewater treatment plant serving 1,217 people in Stillman Valley, Illinois. It discharges 416.40 units of treated wastewater daily.

Advanced 1,217

EDINBURG STP

Edinburg, Illinois

Edinburg STP is an advanced wastewater treatment plant serving approximately 1,238 people in Edinburg, Illinois. It discharges treated water into local waterways, supporting the Sangamon River watershed.

Advanced 1,238

PAYSON SEWAGE FACILITY

Adams County, Illinois

Payson Sewage Facility in Adams County, Illinois, serves 1,066 people with advanced treatment. It discharges 412.61 million liters per year, operating under US EPA NPDES regulations.

Advanced 1,066

HAMPSHIRE WWTP

Elgin, Illinois

Hampshire WWTP in Elgin, Illinois serves 2,900 people with advanced treatment. The plant discharges 908.50 volume units daily, operating under US Clean Water Act regulations.

Advanced 2,900

Wasco Sanitary District STP

Campton Hills, Illinois

Wasco Sanitary District STP in Campton Hills, Illinois, provides advanced wastewater treatment for 1,685 residents. The plant discharges 639.74 thousand cubic meters annually and operates under US EPA NPDES regulations.

Advanced 1,685

GERMANTOWN HILLS STP 1

Germantown Hills, Illinois

Germantown Hills STP 1 is an advanced wastewater treatment plant serving 1,350 people in Germantown Hills, Illinois. It discharges treated water into local waterways, supporting the Illinois River basin.

Advanced 1,350

MORRISONVILLE STP

Morrisonville, Illinois

Morrisonville STP is an advanced wastewater treatment plant serving approximately 1,068 residents in Morrisonville, Illinois. It discharges treated water into local waterways, supporting environmental health in the region.

Advanced 1,068

MAROA STP

Maroa, Illinois

MAROA STP is an advanced wastewater treatment plant serving Maroa, Illinois. It treats municipal wastewater for a population of 1,531 with a designed capacity of 1,362.74 million gallons per day.

Advanced 1,531

ORION STP

Orion, Illinois

ORION STP is an advanced wastewater treatment plant in Orion, Illinois, serving a population of 1,995. It discharges treated water into local waterways, supporting environmental health in the region.

Advanced 1,995

WINNEBAGO STP

Winnebago, Illinois

Winnebago STP is an advanced wastewater treatment plant in Winnebago, Illinois, serving approximately 3,500 people. It discharges treated water into local waterways, supporting the Rock River basin ecosystem.

Advanced 3,500

PORT BYRON SEWERS and STP

Port Byron, Illinois

The Port Byron Sewers and STP is an advanced wastewater treatment plant serving 1,313 people in Port Byron, Illinois. It discharges treated water into the Mississippi River basin, supporting local water quality.

Advanced 1,313

Frequently asked

How many wastewater treatment plants are in Illinois?

UtilityRadar indexes 427 wastewater treatment plants in Illinois, with treatment level, capacity, operator and discharge data on each record.

What is the largest wastewater treatment plant in Illinois?

Among the indexed plants, HAMPSHIRE WWTP has the highest designed capacity at 2,839 m3/day.

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