Clean Water Act discharge permit · NPDES ILL023469

WEST CHICAGO REGIONAL STP, West Chicago, IL: NPDES ILL023469 discharge permit, effluent exceedances, inspections, penalties

Administratively continuedPermit status
MinorDischarger class
0Pollutants under a numeric limit
0Pollutants with an effluent exceedance
0Inspections on file
0Formal enforcement actions

WEST CHICAGO REGIONAL STP, held by WEST CHICAGO, CITY OF, holds NPDES permit ILL023469. EPA’s file records it issued January 1, 2021 and expiring December 31, 2025.

WEST CHICAGO REGIONAL STP, West Chicago, Illinois: Associated permit record ILL023469, held by WEST CHICAGO, CITY OF; Biosolids; Administratively continued (past its expiration date and still in force until reissued); issued January 1, 2021, term to December 31, 2025.

Ann. amt sludge disposed by other method: 0 limits, 1 violation of any kind, 0 effluent exceedances.
Annual amt of sludge incinerated: 0 limits, 1 violation of any kind, 0 effluent exceedances.
Annual sludge production, total: 0 limits, 1 violation of any kind, 0 effluent exceedances.
Annual amount of sludge land applied: 0 limits, 1 violation of any kind, 0 effluent exceedances.
Annual amt. sludge disposed surface unit: 0 limits, 1 violation of any kind, 0 effluent exceedances.
Annual amt sludge disposed in landfill: 0 limits, 1 violation of any kind, 0 effluent exceedances.
Annual amt sludge transported interstate: 0 limits, 1 violation of any kind, 0 effluent exceedances.

Illinois holds 270 Biosolids coverages of this permit type in EPA’s file; 0 were issued before ILL023469. WEST CHICAGO, CITY OF holds 2 permits in Illinois.

Other permits held by WEST CHICAGO, CITY OF

WEST CHICAGO REGIONAL WASTEWATER TREATMENT PLANT, West Chicago: IL0023469, issued September 24, 2015

Coverages issued nearest ILL023469

January 1, 2021: MURPHYSBORO STP, CITY OF, Murphysboro, ILL023248, held by MURPHYSBORO, CITY OF
January 1, 2021: SALEM STP, CITY OF, Salem, ILL023264, held by SALEM STP
January 1, 2021: GIBSON CITY WPCF, CITY OF, Gibson City, ILL023281, held by GIBSON CITY WPCF
January 1, 2021: ALGONQUIN STP, VILLAGE OF, Algonquin, ILL023329, held by ALGONQUIN, VILLAGE OF
January 1, 2021: VILLAGE OF POPLAR GROVE-NORTH WWTP, Poplar Grove, ILL023451, held by Village of Poplar Grove-North WWTP
January 1, 2021: VANDALIA STP, CITY OF, Vandalia, ILL023574, held by VANDALIA STP
January 1, 2021: FREEPORT WWTF, Freeport, ILL023591, held by FREEPORT STP
January 1, 2021: CLINTON SD STP, Clinton, ILL023612, held by CLINTON SANITARY DISTRICT
January 1, 2021: GALVA, CITY OF, Galva, ILL023647
January 1, 2021: CAIRO STP, CITY OF, Cairo, ILL023825, held by CAIRO, CITY OF

WEST CHICAGO REGIONAL STP among its neighbors

EPA’s permit file holds 88 discharge permits in the Middle West Branch Du Page River subwatershed (HUC 071200040802), ILL023469 among them. Its county holds 204, 23 of them major permits; ILL023469 is a minor permit.

Other permits in the Middle West Branch Du Page River subwatershed (HUC 071200040802)

151 S. GARY AVENUE, Bloomingdale: ILR10ZFTH, minor permit, permit term to August 31, 2028
1717 HARVESTER ROAD PARKING LOT EXPANSION, West Chicago: ILR10ZH6R, minor permit, permit term to August 31, 2028
27W131 ST. CHARLES ROAD, Winfield: ILR10ZG5Q, minor permit, permit term to August 31, 2028
680 E NORTH AVE, Carol Stream: ILR10ZBR6, minor permit, permit term to August 31, 2028
906 W. UNION AVENUE DEMOLITION, Wheaton: ILR10ZDG9, minor permit, permit term to August 31, 2028
ACME SCREW CO.-WHEATON, Wheaton: ILR003989, minor permit, permit term to June 1, 2008
ADVANCED URETHANE TECHNOLOGIES INC, W. Chicago: ILR003562, minor permit, permit term to June 1, 2008
AJMERI SUBDIVISION TWO, Glendale Heights: ILR10ZFO2, minor permit, permit term to August 31, 2028
ANCHOR BRAKE SHOE PLANT, West Chicago: ILR001117, minor permit, discharging to KRESS CREEK, permit term to June 1, 2008
BULLOCK CAMPUS, Geneva: ILR10ZE87, minor permit, permit term to August 31, 2028

Identity

Facility as filed	WEST CHICAGO REGIONAL STP
Permittee as filed	WEST CHICAGO, CITY OF
NPDES ID	ILL023469
Permit status	Administratively continued (past its expiration date and still in force until reissued)
Permit type	Associated permit record
Discharger class	Minor discharger
Facility type	Not a publicly owned treatment works
Program	Biosolids
Issued	January 1, 2021
Expiration date	December 31, 2025
Address	West Chicago, IL 60185
Receiving water impaired	303(D) Listed
Subwatershed	Middle West Branch Du Page River (HUC 071200040802)

Effluent limits and exceedances

7Pollutants on file
0Under a numeric limit
7With a violation of any kind
0With an effluent exceedance

An effluent exceedance is a discharge monitoring report value over the permit’s numeric limit (EPA’s violation code E90). A violation of any kind also counts a report not filed. Each row is EPA’s own count for that pollutant.

Pollutant or measure	Limits	Violations, any kind	Effluent exceedances	Latest exceedance	Largest exceedance, as filed
Ann. amt sludge disposed by other method	0	1	0
Annual amt of sludge incinerated	0	1	0
Annual sludge production, total	0	1	0
Annual amount of sludge land applied	0	1	0
Annual amt. sludge disposed surface unit	0	1	0
Annual amt sludge disposed in landfill	0	1	0
Annual amt sludge transported interstate	0	1	0

EPA’s effluent violation file records no exceedance of a numeric limit for NPDES ILL023469.

Inspections, violations and enforcement

0Single-event violations

EPA’s single-event violation file, as loaded, holds no violation for NPDES ILL023469.

Inspections

EPA’s inspection file holds no inspection for NPDES ILL023469.

Formal enforcement and penalties

0 formal actions, 0 of them with a penalty assessed. Federal and state penalties are separate figures from separate authorities and are shown as each was filed, never added together.

Informal enforcement

EPA’s informal enforcement file holds no action for NPDES ILL023469.

Watch this permit

One permit holder, $99/month. Watch the register for one permit holder and the places and receiving waters tied to its permits. Choose “One permit holder” and enter this permit’s NPDES ID, ILL023469.

Start the watch

How we handle your data → Privacy

Nearby on the register

Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.

Of the 27 biosolids permits in DuPage County, counting this permit, 3.7% were issued earlier than WEST CHICAGO REGIONAL STP. A violation is on file for 51.9% of those DuPage County biosolids permits. The Middle West Branch Du Page River subwatershed holds 88 NPDES permits, including this permit.