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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
GRAND TOWER STPHW:27945415 population served2012
MaldenHW:27855400 population served2012
FAYETTEVILLE STPHW:27641382 population served2012
Village of Table Grove WWTP_Coll SysHW:27856374 population served2012
McNabb Village ofHW:27838372 population served2012
WINSLOW WTPHW:27947363 population served2012
New Memphis SD WastewaterHW:27830350 population served2012
ORIENT STPHW:27917296 population served2012
Verona WastewaterHW:27800273 population served2012
SHUMWAY WASTE TREATMENT PHW:27560266 population served2012
NORRIS STPHW:27942213 population served2012
SPRINGERTON STPHW:27881181 population served2012
Rockbridge Village ofHW:27836169 population served2012
OHLMAN STPHW:27897135 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.