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Clean Water Act discharge permit · NPDES ILR10ZG6F

IL 43 AT WESTLEIGH ROAD, Lake Forest, IL: NPDES ILR10ZG6F discharge permit, effluent exceedances, inspections, penalties

IL 43 AT WESTLEIGH ROAD, held by To be Determined, holds NPDES permit ILR10ZG6F. EPA’s file records it issued October 15, 2025 and expiring August 31, 2028. The status and dates are as EPA’s permit file stood when Velarion loaded it (September 15, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.

What the register holds for IL 43 AT WESTLEIGH ROAD: its NPDES ID, its permit type and status, its dates, its address in Lake Forest, Illinois. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES ILR10ZG6F.

Identity

Facility as filedIL 43 AT WESTLEIGH ROAD
Permittee as filedTo be Determined
NPDES IDILR10ZG6F
Permit statusEffective
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
ProgramConstruction stormwater
IssuedOctober 15, 2025
Expiration dateAugust 31, 2028
Issuing agencyIEPA
AddressLake Forest, IL 60045
Receiving water impaired303(D) Listed
SubwatershedUpper North Branch Chicago River (HUC 071200030102)

Cited to the EPA ICIS-NPDES permit file (ECHO download).

Effluent limits and exceedances

EPA’s limits and effluent violation files hold no pollutant row for NPDES ILR10ZG6F.

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

EPA’s single-event violation file, as loaded, holds no violation for NPDES ILR10ZG6F.

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.

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, ILR10ZG6F.

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How we handle your data → Privacy

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 ILR10ZG6F there.

Nearby on the register

Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.

What this page shows

Violations on file cover 0.0% of the 8 storm water construction permits in Lake Forest. The Upper North Branch Chicago River subwatershed contains 19 NPDES permits, including IL 43 AT WESTLEIGH ROAD.