Clean Water Act discharge permit · NPDES ILG103022

OAK FOREST, CITY OF, Oak Forest, IL: NPDES ILG103022 discharge permit, effluent exceedances, inspections, penalties

EffectivePermit status
MinorDischarger class
0Pollutants under a numeric limit
0Pollutants with an effluent exceedance

OAK FOREST, CITY OF holds NPDES permit ILG103022. EPA’s file records it issued September 29, 2022 and expiring May 31, 2027. The status and dates are as EPA’s permit file stood when Velarion loaded it (October 14, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.

What the register holds for OAK FOREST, CITY OF: its NPDES ID, its permit type and status, its dates, its address in Oak Forest, Illinois. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES ILG103022.

Identity

Facility as filed	OAK FOREST, CITY OF
Permittee as filed	OAK FOREST, CITY OF
NPDES ID	ILG103022
Permit status	Effective
Permit type	Coverage under a general permit
Discharger class	Minor discharger
Facility type	Not a publicly owned treatment works
Issued	September 29, 2022
Expiration date	May 31, 2027
Address	Oak Forest, IL 60452
Subwatershed	Midlothian Creek (HUC 071200030404)
Other EPA IDs (FRS)	RCRA handler ILR000017707

Cited to the EPA ICIS-NPDES permit file (ECHO download); cross-program IDs from EPA’s FRS facility-registry crosswalk.

Effluent limits and exceedances

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

EPA’s limits and effluent violation files hold no pollutant row for NPDES ILG103022.

Cited to the EPA ICIS-NPDES limits and effluent violations files (ECHO download); up to 60 rows shown, most exceedances first.

Inspections, violations and enforcement

0Single-event violations

EPA’s single-event violation file, as loaded, holds no violation for NPDES ILG103022.

Velarion’s copy of EPA’s ICIS-NPDES files does not include the inspections, formal enforcement actions and informal enforcement actions files, so this page shows none of them. EPA’s free Detailed Facility Report on ECHO lists this permit’s inspections, enforcement actions and penalties.

Cited to the EPA ICIS-NPDES violation, inspection and enforcement files (ECHO download); up to 50 rows of each shown, newest first.

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EPA publishes a free Detailed Facility Report for every permit on ECHO: its compliance status quarter by quarter, its inspections, and its enforcement actions and penalties. EPA also sends free notices of new inspections and enforcement actions through ECHO Notify; enter NPDES ID ILG103022 there.

Nearby on the register

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

OAK FOREST, CITY OF, a general permit coverage in Cook County, Illinois, is one of 96 such coverages on EPA's NPDES register for the county, and 5.2% of those 96 coverages have a violation on file. The permit, NPDES ID ILG103022, sits in the Midlothian Creek subwatershed, which holds 32 NPDES permits including this one, and it records no pollutants under a numeric limit and no pollutants with an effluent exceedance.