Clean Water Act discharge permit · NPDES ILR10ZBXE

PHASE II - MIXED USE DEVELOPMENT AT HAWTHORN MALL, Vernon Hills, IL: NPDES ILR10ZBXE discharge permit, effluent exceedances, inspections, penalties

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

PHASE II - MIXED USE DEVELOPMENT AT HAWTHORN MALL, held by W.E. O'Neil Construction Company, holds NPDES permit ILR10ZBXE. EPA’s file records it issued August 16, 2023 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 PHASE II - MIXED USE DEVELOPMENT AT HAWTHORN MALL: its NPDES ID, its permit type and status, its dates, its address in Vernon Hills, Illinois. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES ILR10ZBXE.

Identity

Facility as filed	PHASE II - MIXED USE DEVELOPMENT AT HAWTHORN MALL
Permittee as filed	W.E. O'Neil Construction Company
NPDES ID	ILR10ZBXE
Permit status	Effective
Permit type	Coverage under a general permit
Discharger class	Minor discharger
Facility type	Not a publicly owned treatment works
Program	Construction stormwater
Issued	August 16, 2023
Expiration date	August 31, 2028
Issuing agency	IEPA
Address	Vernon Hills, IL 60061
Receiving water impaired	303(D) Listed
Subwatershed	McDonald Creek-Des Plaines River (HUC 071200040503)

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

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 ILR10ZBXE.

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 ILR10ZBXE.

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 ILR10ZBXE there.

Nearby on the register

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

The PHASE II - MIXED USE DEVELOPMENT AT HAWTHORN MALL storm water construction permit is one of 13 such permits in Vernon Hills, Illinois, and 0.0% of those 13 carry a violation on file. Among the 59 NPDES permits in the McDonald Creek-Des Plaines River subwatershed, this permit is one of the group, and it has no pollutants under a numeric limit (0) and no pollutants with an effluent exceedance (0). Of all 13 storm water construction permits in Vernon Hills, 0.0% were issued earlier than this one, which was issued August 16, 2023.