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World wastewater treatment plant observatory · data as reported by each inventory

Wastewater treatment plants in United States · Illinois

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414 inventory records · HydroWASTE v1.0 / United States

Data years: 2012. The inventory date does not establish current operation.

414 results

CompareNameNative sizeYear
BEECHER STPHW:275684,359 population served2012
SULLIVAN STPHW:276184,334 population served2012
MORRISON STP and COLLECTION SYSTEMHW:276274,307 population served2012
TUSCOLA NORTH WWTPHW:278164,279 population served2012
ELBURN WWTPHW:277464,243 population served2012
MARSHALL STPHW:275644,165 population served2012
LEBANON STPHW:276434,057 population served2012
MILLSTADT STPHW:276424,011 population served2012
OGLESBY STPHW:277384,010 population served2012
Cortland Town ofHW:279344,000 population served2012
Fairbury STP and Collection SystemHW:278853,968 population served2012
KNOXVILLE STPHW:277403,854 population served2012
BRAIDWOOD STPHW:276553,800 population served2012
SMITHTON WWTPHW:276363,700 population served2012
RED BUD STPHW:279433,698 population served2012
LEROY SEWAGE TREATMENT PLHW:277723,566 population served2012
JOHNSTON CITY STPHW:279673,540 population served2012
GIBSON CITY STPHW:278663,520 population served2012
WINNEBAGO STPHW:276813,500 population served2012
CARLYLE STP and COLLECTION SYSTEMHW:279313,500 population served2012
GALENA STPHW:279123,460 population served2012
GEORGETOWN STPHW:278753,412 population served2012
MOMENCE STPHW:279553,310 population served2012
HAVANA STPHW:278923,301 population served2012
MT MORRIS STPHW:278223,272 population served2012
CASEY N WASTEW TRT PLANTHW:276883,250 population served2012
RUSHVILLE STWHW:279653,229 population served2012
Bushnell East WWTPHW:277353,221 population served2012
HAMILTON STPHW:276193,200 population served2012
ABINGDON STPHW:279143,171 population served2012
MASON CITY STPHW:278933,150 population served2012
FARMINGTON STPHW:279503,138 population served2012
NEW BADEN STPHW:275593,105 population served2012
MOUNT OLIVE NORTH STPHW:279273,073 population served2012
HINCKLEY STPHW:279333,070 population served2012
CARROLTON STPHW:278253,064 population served2012
BYRON STPHW:275773,000 population served2012
EAST DUNDEE STPHW:277553,000 population served2012
PINCKNEYVILLE STP 1HW:279022,993 population served2012
PETERSBURG STPHW:278572,973 population served2012
WHITE HALL STWHW:278262,922 population served2012
ST JOSEPH STPHW:275852,912 population served2012
HAMPSHIRE WWTPHW:277532,900 population served2012
LENA WASTEWATER TREAT WKSHW:276262,887 population served2012
PEOTONE STPHW:275672,822 population served2012
TILTON STPHW:278762,724 population served2012
TRENTON STPHW:279292,685 population served2012
PAWNEE STPHW:276902,647 population served2012
METAMORA SOUTH STPHW:277062,600 population served2012
NOKOMIS STPHW:278992,590 population served2012
DIAMOND STPHW:279702,557 population served2012
EL PASO STPHW:276562,535 population served2012
CENTRAL CITY STPHW:278122,529 population served2012
MARISSA STPHW:276292,527 population served2012
POLO STPHW:278172,500 population served2012
NEOGA STPHW:278942,475 population served2012
FREEBURG WEST NO 2HW:276342,436 population served2012
MINONK STPHW:277042,419 population served2012
Otter Creek Lake Utility DistrictHW:278452,400 population served2012
CATLIN STPHW:275832,317 population served2012
SESSER STPHW:279042,317 population served2012
CARRIER MILLS STPHW:279182,300 population served2012
BRIGHTON STPHW:279252,254 population served2012
WARSAW CITY OFHW:279522,200 population served2012
PECATONICA SEWAGE TREATMEHW:276822,195 population served2012
TREMONT STPHW:276642,109 population served2012
NEW ATHENS STPHW:276402,100 population served2012
KIRKLAND VILLAGE OFHW:275822,090 population served2012
GRANVILLE STPHW:279082,009 population served2012
Pingree Grove Village ofHW:278352,000 population served2012
ORION STPHW:276831,995 population served2012
EAST DUBUQUE WWTPHW:279111,995 population served2012
LADD SEWAGE TREATMENT PLTHW:278031,988 population served2012
MOUNT CARROLL STPHW:278881,921 population served2012
STOCKTON STWHW:275781,884 population served2012
RICHMOND SEWAGE TMT PLANTHW:277581,874 population served2012
Galva Northeast STPHW:278531,864 population served2012
BUSHNELL STP WESTHW:277341,838 population served2012
CRYSTAL LAKE STP 3HW:277651,832 population served2012
Prophetstown STPHW:278021,793 population served2012
COLCHESTER WWTPHW:279541,763 population served2012
BENLD STPHW:279221,740 population served2012
Wasco Sanitary District STPHW:277501,685 population served2012
BUNKER HILL STPHW:279261,682 population served2012
FISHER STPHW:275841,652 population served2012
CUBA STPHW:279491,648 population served2012
MACKINAW VILLAGE OFHW:276651,621 population served2012
ALTAMONT STP SOUTHHW:279591,615 population served2012
WINCHESTER STP and COLLECTION SYSTEMHW:275721,593 population served2012
SHAWNEETOWN STPHW:279631,575 population served2012
WARRENSBURG STPHW:276981,562 population served2012
MOUNDS STPHW:278691,550 population served2012
MAROA STPHW:276951,531 population served2012
WALNUT STPHW:278061,522 population served2012
MILFORD STPHW:279101,512 population served2012
ASSUMPTION STPHW:278111,511 population served2012
METAMORA NORTH STPHW:277051,501 population served2012
EARLVILLE STPHW:275421,482 population served2012
BDM SEWER COMMISSION STPHW:276891,471 population served2012
WARREN VILLAGE OFHW:279131,469 population served2012

Regulatory context

General reference. This is not an exhaustive review of applicable law.

United States: Clean Water Act / NPDES

NPDES regulates pollutant discharges from point sources to waters of the United States. The permit sets limits and monitoring conditions. A CWNS code identifies an inventory record, not an NPDES permit.

  • Permit identifier and permitting authority: EPA or an authorized state.
  • Outfall and receiving water; sewer connections follow a different control route.
  • Current permit conditions, limits and dated measurements; these are not included in CWNS.

References reviewed: 2026-11-06. Individual applicability: undetermined. This profile does not establish authorization or compliance.