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Clean Water Act discharge permit · NPDES ILR10ZG4L

2015: I-355 BRIDGE REHABILITATION OVER DES PLAINES RIVER VALLEY, Lemont, IL: NPDES ILR10ZG4L discharge permit, effluent exceedances, inspections, penalties

2015: I-355 BRIDGE REHABILITATION OVER DES PLAINES RIVER VALLEY, held by ICC Group, Inc., holds NPDES permit ILR10ZG4L. EPA’s file records it issued September 28, 2025 and expiring August 31, 2028. 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 2015: I-355 BRIDGE REHABILITATION OVER DES PLAINES RIVER VALLEY: its NPDES ID, its permit type and status, its dates, its address in Lemont, Illinois. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES ILR10ZG4L.

Identity

Facility as filed2015: I-355 BRIDGE REHABILITATION OVER DES PLAINES RIVER VALLEY
Permittee as filedICC Group, Inc.
NPDES IDILR10ZG4L
Permit statusEffective
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
ProgramConstruction stormwater
IssuedSeptember 28, 2025
Expiration dateAugust 31, 2028
Issuing agencyIEPA
AddressLemont, IL 60439
SubwatershedMaple Lake-Chicago Sanitary and Ship Canal (HUC 071200040705)

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 ILR10ZG4L.

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 ILR10ZG4L.

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, ILR10ZG4L.

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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 ILR10ZG4L there.

Nearby on the register

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

What this page shows

The 26 storm water construction permits in Lemont show 0.0% with a violation on file, and 2015: I-355 BRIDGE REHABILITATION OVER DES PLAINES RIVER VALLEY, coded ILR10ZG4L, is among them. Of those 26 permits, 76.9% were issued before this permit. The Maple Lake-Chicago Sanitary and Ship Canal subwatershed lists 131 NPDES permits.